====================================== | [ 22.180063][ T328] veth1: entered promiscuous mode | [ 22.181796][ T328] ------------[ cut here ]------------ | [ 22.182135][ T328] WARNING: CPU: 3 PID: 328 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 22.182810][ T328] Modules linked in: bridge stp llc 8021q vrf veth [ 22.183915][ T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.184351][ T328] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 22.184715][ T328] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 22.185899][ T328] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246 [ 22.186319][ T328] RAX: 0000000000000000 RBX: ffff888004f1a000 RCX: 0000000000000001 [ 22.186822][ T328] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 22.187325][ T328] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000 [ 22.187824][ T328] R10: ffffc90000607010 R11: ffffffff924a8918 R12: 1ffff920000c0de2 [ 22.188404][ T328] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff888004f1af08 [ 22.188988][ T328] FS: 00007ffbd9d1f800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 22.189766][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.190511][ T328] CR2: 0000562c803e3110 CR3: 0000000009391004 CR4: 0000000000772ef0 [ 22.191340][ T328] PKRU: 55555554 [ 22.191773][ T328] Call Trace: [ 22.192187][ T328] [ 22.192503][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 22.192947][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.193440][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 22.193747][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 22.194172][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 22.194494][ T328] netif_set_mtu (net/core/dev.c:9652) [ 22.194915][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 22.195235][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 22.195689][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 22.195948][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 22.196368][ T328] br_add_if (net/bridge/br_if.c:697) bridge [ 22.196820][ T328] do_set_master (net/core/rtnetlink.c:2948) [ 22.197210][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 22.197538][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 22.198024][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.198341][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 22.198748][ T328] ? __kernel_text_address (kernel/extable.c:79) [ 22.199163][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.199499][ T328] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 22.199976][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 22.200441][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.200770][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.201189][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 22.201529][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 22.201960][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.202288][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 22.202729][ T328] ? __create_object (mm/kmemleak.c:771) [ 22.203111][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 22.203514][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 22.204000][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 22.204448][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 22.204836][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 22.205206][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.205634][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.206003][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.206413][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 22.206760][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.207264][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.207615][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 22.208075][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.208556][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.208881][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 22.209191][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.209510][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 22.209829][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 22.210150][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 22.210472][ T328] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 22.210805][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 22.211215][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.211621][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 22.212123][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 22.212565][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 22.212964][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 22.213456][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 22.213880][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 22.214346][ T328] ___sys_sendmsg (net/socket.c:2670) [ 22.214665][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 22.215001][ T328] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 22.215384][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 22.215716][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.216116][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.216465][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.216791][ T328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 22.217126][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.217467][ T328] __sys_sendmsg (net/socket.c:2700) [ 22.217787][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 22.218206][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 22.218554][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.218902][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.219239][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.219746][ T328] RIP: 0033:0x7ffbd9eec1e7 [ 22.220128][ T328] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 22.221419][ T328] RSP: 002b:00007ffdebf9cf38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.221926][ T328] RAX: ffffffffffffffda RBX: 00007ffdebf9d660 RCX: 00007ffbd9eec1e7 [ 22.222428][ T328] RDX: 0000000000000000 RSI: 00007ffdebf9cfa0 RDI: 0000000000000005 [ 22.222969][ T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 22.223470][ T328] R10: 000000003120e910 R11: 0000000000000246 R12: 0000000000000004 [ 22.224026][ T328] R13: 00000000686e0b0b R14: 0000000000499600 R15: 0000000000000000 | [ 22.731605][ T333] ------------[ cut here ]------------ | [ 22.731935][ T333] WARNING: CPU: 1 PID: 333 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 22.732581][ T333] Modules linked in: bridge stp llc 8021q vrf veth | [ 22.733674][ T333] Tainted: [W]=WARN [ 22.733924][ T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.734341][ T333] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 22.736383][ T333] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 22.737593][ T333] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246 [ 22.738002][ T333] RAX: 0000000000000000 RBX: ffff888004f1a000 RCX: 0000000000000001 [ 22.738496][ T333] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 22.738983][ T333] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000 [ 22.739474][ T333] R10: ffffc90000617010 R11: ffffffff924a8918 R12: 1ffff920000c2de2 [ 22.739969][ T333] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff888004f1af08 [ 22.740475][ T333] FS: 00007f965cd50800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 22.741039][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.741452][ T333] CR2: 00000000004e5ab0 CR3: 000000000929c002 CR4: 0000000000772ef0 [ 22.741950][ T333] PKRU: 55555554 [ 22.742192][ T333] Call Trace: [ 22.742448][ T333] [ 22.742617][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 22.742943][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.743272][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 22.743602][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 22.744004][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 22.744356][ T333] netif_set_mtu (net/core/dev.c:9652) [ 22.744693][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 22.745030][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 22.745494][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 22.745741][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 22.746178][ T333] br_add_if (net/bridge/br_if.c:697) bridge [ 22.746569][ T333] do_set_master (net/core/rtnetlink.c:2948) [ 22.746896][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 22.747222][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 22.747635][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 22.747955][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 22.748275][ T333] ? __kernel_text_address (kernel/extable.c:79) [ 22.748612][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.748954][ T333] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 22.749276][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 22.749685][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.750012][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.750334][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 22.750662][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 22.750984][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.751303][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 22.751642][ T333] ? __create_object (mm/kmemleak.c:771) [ 22.751966][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 22.752287][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 22.752617][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 22.753019][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 22.753345][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 22.753677][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.754010][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.754354][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.754686][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 22.754992][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.755299][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 22.755612][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 22.755924][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.756236][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.756567][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 22.756876][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 22.757182][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 22.757506][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 22.757814][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 22.758122][ T333] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 22.758445][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 22.758760][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.759070][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 22.759379][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 22.759700][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 22.760029][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 22.760339][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 22.760650][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 22.761053][ T333] ___sys_sendmsg (net/socket.c:2670) [ 22.761359][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 22.761677][ T333] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 22.762059][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 22.762372][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.762692][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 22.763004][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 22.763320][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 22.763633][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) [ 22.763964][ T333] __sys_sendmsg (net/socket.c:2700) [ 22.764291][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 22.764692][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 22.765010][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 22.765319][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 22.765635][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 22.766023][ T333] RIP: 0033:0x7f965cf1d1e7 [ 22.766340][ T333] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 22.767453][ T333] RSP: 002b:00007ffece757f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.767931][ T333] RAX: ffffffffffffffda RBX: 00007ffece758670 RCX: 00007f965cf1d1e7 [ 22.768403][ T333] RDX: 0000000000000000 RSI: 00007ffece757fb0 RDI: 0000000000000005 [ 22.768863][ T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 22.769323][ T333] R10: 00000000256d2910 R11: 0000000000000246 R12: 0000000000000004 [ 22.769808][ T333] R13: 00000000686e0b0c R14: 0000000000499600 R15: 0000000000000000 | [ 106.343453][ T932] ------------[ cut here ]------------ | [ 106.343810][ T932] WARNING: CPU: 0 PID: 932 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 106.344515][ T932] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 106.346427][ T932] Tainted: [W]=WARN [ 106.346757][ T932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.347295][ T932] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 106.347700][ T932] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 106.349136][ T932] RSP: 0000:ffffc90002287080 EFLAGS: 00010246 [ 106.349586][ T932] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 106.350085][ T932] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 106.350677][ T932] RBP: ffffc90002287168 R08: 0000000000000000 R09: 0000000000000000 [ 106.351239][ T932] R10: ffffc90002287198 R11: ffffffff924a8918 R12: 1ffff92000450e14 [ 106.351787][ T932] R13: 00000000000005dc R14: ffffc90002287198 R15: ffff88800e26af08 [ 106.352306][ T932] FS: 00007fd2af455800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 106.352940][ T932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.353372][ T932] CR2: 00007f96698ea240 CR3: 000000000ed52004 CR4: 0000000000772ef0 [ 106.353973][ T932] PKRU: 55555554 [ 106.354225][ T932] Call Trace: [ 106.354485][ T932] [ 106.354654][ T932] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 106.355047][ T932] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 106.355419][ T932] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 106.355874][ T932] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 106.356491][ T932] netif_set_mtu (net/core/dev.c:9652) [ 106.356921][ T932] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 106.357369][ T932] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 106.357952][ T932] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 106.358260][ T932] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 106.358789][ T932] br_add_if (net/bridge/br_if.c:697) bridge [ 106.359256][ T932] do_set_master (net/core/rtnetlink.c:2948) [ 106.359664][ T932] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 106.359999][ T932] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 106.360367][ T932] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 106.360777][ T932] ? __dev_get_by_name (net/core/dev.c:865) [ 106.361168][ T932] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.361560][ T932] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.361902][ T932] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 106.362278][ T932] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.362653][ T932] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 106.362983][ T932] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 106.363310][ T932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.363647][ T932] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 106.363960][ T932] ? __lock_release (kernel/locking/lockdep.c:5539) [ 106.364386][ T932] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.364719][ T932] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 106.365036][ T932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.365356][ T932] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.365686][ T932] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 106.366008][ T932] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.366345][ T932] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 106.366697][ T932] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 106.367027][ T932] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 106.367358][ T932] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 106.367703][ T932] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 106.368036][ T932] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.368375][ T932] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 106.368719][ T932] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 106.369053][ T932] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 106.369400][ T932] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 106.369734][ T932] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 106.370069][ T932] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 106.370496][ T932] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 106.370841][ T932] ___sys_sendmsg (net/socket.c:2670) [ 106.371176][ T932] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 106.371515][ T932] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 106.371851][ T932] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.372183][ T932] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 106.372527][ T932] ? __handle_mm_fault (mm/memory.c:6212) [ 106.372861][ T932] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 106.373196][ T932] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 106.373552][ T932] __sys_sendmsg (net/socket.c:2700) [ 106.373886][ T932] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 106.374231][ T932] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 106.374583][ T932] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 106.374919][ T932] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 106.375255][ T932] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 106.375604][ T932] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 106.376012][ T932] RIP: 0033:0x7fd2af6221e7 [ 106.376359][ T932] Code: Unable to access opcode bytes at 0x7fd2af6221bd. Code starting with the faulting instruction =========================================== [ 106.376801][ T932] RSP: 002b:00007ffe27516318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.377300][ T932] RAX: ffffffffffffffda RBX: 00007ffe27516a40 RCX: 00007fd2af6221e7 [ 106.377806][ T932] RDX: 0000000000000000 RSI: 00007ffe27516380 RDI: 0000000000000005 [ 106.378304][ T932] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 106.378808][ T932] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe27516a78 [ 106.379309][ T932] R13: 00000000686e0b5f R14: 0000000000499600 R15: 0000000000000000 | [ 106.577752][ T938] ------------[ cut here ]------------ | [ 106.578067][ T938] WARNING: CPU: 3 PID: 938 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 106.578694][ T938] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 106.579830][ T938] Tainted: [W]=WARN [ 106.580066][ T938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.580465][ T938] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 106.580786][ T938] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 106.581909][ T938] RSP: 0018:ffffc90000647080 EFLAGS: 00010246 [ 106.582305][ T938] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 106.582784][ T938] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 106.583251][ T938] RBP: ffffc90000647168 R08: 0000000000000000 R09: 0000000000000000 [ 106.583733][ T938] R10: ffffc90000647198 R11: ffffffff924a8918 R12: 1ffff920000c8e14 [ 106.584207][ T938] R13: 00000000000005dc R14: ffffc90000647198 R15: ffff88800e26af08 [ 106.584683][ T938] FS: 00007f2af3f9b800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 106.585227][ T938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.585636][ T938] CR2: 00007f96698c6240 CR3: 000000000ed52001 CR4: 0000000000772ef0 [ 106.586107][ T938] PKRU: 55555554 [ 106.586343][ T938] Call Trace: [ 106.586583][ T938] [ 106.586745][ T938] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 106.587065][ T938] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 106.587408][ T938] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 106.587809][ T938] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 106.588125][ T938] netif_set_mtu (net/core/dev.c:9652) [ 106.588447][ T938] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 106.588772][ T938] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 106.589207][ T938] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 106.589454][ T938] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 106.589883][ T938] br_add_if (net/bridge/br_if.c:697) bridge [ 106.590250][ T938] do_set_master (net/core/rtnetlink.c:2948) [ 106.590574][ T938] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 106.590895][ T938] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 106.591214][ T938] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 106.591531][ T938] ? __dev_get_by_name (net/core/dev.c:865) [ 106.591842][ T938] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.592155][ T938] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.592489][ T938] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 106.592800][ T938] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.593118][ T938] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 106.593448][ T938] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 106.593764][ T938] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.594090][ T938] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 106.594416][ T938] ? __lock_release (kernel/locking/lockdep.c:5539) [ 106.594737][ T938] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.595047][ T938] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 106.595361][ T938] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.595688][ T938] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.596007][ T938] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 106.596319][ T938] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.596641][ T938] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 106.596967][ T938] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 106.597282][ T938] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 106.597605][ T938] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 106.597924][ T938] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 106.598236][ T938] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.598564][ T938] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 106.598882][ T938] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 106.599195][ T938] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 106.599528][ T938] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 106.599844][ T938] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 106.600155][ T938] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 106.600555][ T938] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 106.600875][ T938] ___sys_sendmsg (net/socket.c:2670) [ 106.601192][ T938] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 106.601513][ T938] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 106.601833][ T938] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.602146][ T938] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 106.602475][ T938] ? __handle_mm_fault (mm/memory.c:6212) [ 106.602788][ T938] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 106.603099][ T938] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 106.603441][ T938] __sys_sendmsg (net/socket.c:2700) [ 106.603758][ T938] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 106.604070][ T938] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 106.604410][ T938] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 106.604729][ T938] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 106.605046][ T938] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 106.605363][ T938] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 106.605766][ T938] RIP: 0033:0x7f2af41681e7 [ 106.606091][ T938] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 106.607227][ T938] RSP: 002b:00007ffc31bbace8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.607714][ T938] RAX: ffffffffffffffda RBX: 00007ffc31bbb410 RCX: 00007f2af41681e7 [ 106.608190][ T938] RDX: 0000000000000000 RSI: 00007ffc31bbad50 RDI: 0000000000000005 [ 106.608667][ T938] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 106.609138][ T938] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc31bbb448 [ 106.609621][ T938] R13: 00000000686e0b60 R14: 0000000000499600 R15: 0000000000000000 | [ 106.763882][ T940] ------------[ cut here ]------------ | [ 106.764205][ T940] WARNING: CPU: 3 PID: 940 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 106.765102][ T940] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 106.766247][ T940] Tainted: [W]=WARN [ 106.766495][ T940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.766890][ T940] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 106.767213][ T940] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 106.768379][ T940] RSP: 0018:ffffc90002287080 EFLAGS: 00010246 [ 106.768942][ T940] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 106.769563][ T940] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 106.770036][ T940] RBP: ffffc90002287168 R08: 0000000000000000 R09: 0000000000000000 [ 106.770659][ T940] R10: ffffc90002287198 R11: ffffffff924a8918 R12: 1ffff92000450e14 [ 106.771224][ T940] R13: 00000000000005dc R14: ffffc90002287198 R15: ffff88800e26af08 [ 106.771872][ T940] FS: 00007f4958641800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 106.772595][ T940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.772993][ T940] CR2: 00000000004a1738 CR3: 000000000bd01005 CR4: 0000000000772ef0 [ 106.773570][ T940] PKRU: 55555554 [ 106.773815][ T940] Call Trace: [ 106.774052][ T940] [ 106.774231][ T940] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 106.774567][ T940] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 106.774886][ T940] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 106.775278][ T940] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 106.775618][ T940] netif_set_mtu (net/core/dev.c:9652) [ 106.775954][ T940] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 106.776290][ T940] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 106.776741][ T940] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 106.776984][ T940] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 106.777423][ T940] br_add_if (net/bridge/br_if.c:697) bridge [ 106.777786][ T940] do_set_master (net/core/rtnetlink.c:2948) [ 106.778104][ T940] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 106.778436][ T940] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 106.778759][ T940] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 106.779079][ T940] ? __dev_get_by_name (net/core/dev.c:865) [ 106.779408][ T940] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.779731][ T940] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.780056][ T940] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 106.780382][ T940] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.780716][ T940] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 106.781045][ T940] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 106.781367][ T940] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.781708][ T940] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 106.782026][ T940] ? __lock_release (kernel/locking/lockdep.c:5539) [ 106.782348][ T940] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.782677][ T940] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 106.783001][ T940] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.783323][ T940] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.783653][ T940] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 106.783971][ T940] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.784306][ T940] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 106.784644][ T940] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 106.784966][ T940] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 106.785297][ T940] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 106.785632][ T940] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 106.785951][ T940] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.786274][ T940] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 106.786607][ T940] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 106.786924][ T940] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 106.787261][ T940] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 106.787602][ T940] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 106.787920][ T940] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 106.788323][ T940] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 106.788660][ T940] ___sys_sendmsg (net/socket.c:2670) [ 106.788981][ T940] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 106.789298][ T940] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 106.789625][ T940] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.789952][ T940] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 106.790282][ T940] ? __handle_mm_fault (mm/memory.c:6212) [ 106.790640][ T940] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 106.790973][ T940] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 106.791310][ T940] __sys_sendmsg (net/socket.c:2700) [ 106.791637][ T940] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 106.791962][ T940] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 106.792294][ T940] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 106.792628][ T940] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 106.792963][ T940] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 106.793288][ T940] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 106.793687][ T940] RIP: 0033:0x7f495880e1e7 [ 106.794016][ T940] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 106.795180][ T940] RSP: 002b:00007ffebd666928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.795670][ T940] RAX: ffffffffffffffda RBX: 00007ffebd667050 RCX: 00007f495880e1e7 [ 106.796143][ T940] RDX: 0000000000000000 RSI: 00007ffebd666990 RDI: 0000000000000005 [ 106.796635][ T940] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 106.797112][ T940] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffebd667088 [ 106.797605][ T940] R13: 00000000686e0b60 R14: 0000000000499600 R15: 0000000000000000 | [ 107.016990][ T943] ------------[ cut here ]------------ | [ 107.017329][ T943] WARNING: CPU: 3 PID: 943 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 107.018005][ T943] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 107.019190][ T943] Tainted: [W]=WARN [ 107.019445][ T943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.019842][ T943] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 107.020181][ T943] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 107.021364][ T943] RSP: 0018:ffffc90001127080 EFLAGS: 00010246 [ 107.021796][ T943] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 107.022294][ T943] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 107.022807][ T943] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000 [ 107.023303][ T943] R10: ffffc90001127198 R11: ffffffff924a8918 R12: 1ffff92000224e14 [ 107.023812][ T943] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff88800e26af08 [ 107.024326][ T943] FS: 00007f5980d6c800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 107.024916][ T943] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.025334][ T943] CR2: 00000000004a1738 CR3: 000000000a348006 CR4: 0000000000772ef0 [ 107.025842][ T943] PKRU: 55555554 [ 107.026091][ T943] Call Trace: [ 107.026341][ T943] [ 107.026518][ T943] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 107.026856][ T943] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 107.027187][ T943] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 107.027612][ T943] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 107.027948][ T943] netif_set_mtu (net/core/dev.c:9652) [ 107.028282][ T943] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 107.028640][ T943] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 107.029101][ T943] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 107.029351][ T943] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 107.029811][ T943] br_add_if (net/bridge/br_if.c:697) bridge [ 107.030189][ T943] do_set_master (net/core/rtnetlink.c:2948) [ 107.030522][ T943] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 107.030866][ T943] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 107.031205][ T943] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 107.031543][ T943] ? __dev_get_by_name (net/core/dev.c:865) [ 107.031875][ T943] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.032206][ T943] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.032552][ T943] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 107.032883][ T943] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.033226][ T943] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 107.033577][ T943] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 107.033907][ T943] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.034260][ T943] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 107.034596][ T943] ? __lock_release (kernel/locking/lockdep.c:5539) [ 107.034931][ T943] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.035259][ T943] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 107.035607][ T943] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.035953][ T943] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.036295][ T943] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 107.036639][ T943] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.036977][ T943] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 107.037315][ T943] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 107.037652][ T943] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 107.037986][ T943] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 107.038321][ T943] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 107.038659][ T943] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.039016][ T943] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 107.039359][ T943] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 107.039708][ T943] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 107.040058][ T943] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 107.040405][ T943] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 107.040736][ T943] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 107.041139][ T943] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 107.041475][ T943] ___sys_sendmsg (net/socket.c:2670) [ 107.041792][ T943] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 107.042110][ T943] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 107.042437][ T943] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.042756][ T943] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 107.043073][ T943] ? __handle_mm_fault (mm/memory.c:6212) [ 107.043387][ T943] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 107.043716][ T943] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 107.044048][ T943] __sys_sendmsg (net/socket.c:2700) [ 107.044378][ T943] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 107.044709][ T943] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 107.045036][ T943] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 107.045354][ T943] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 107.045683][ T943] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 107.045999][ T943] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 107.046409][ T943] RIP: 0033:0x7f5980f391e7 [ 107.046737][ T943] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 107.047867][ T943] RSP: 002b:00007ffe46b4c6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.048345][ T943] RAX: ffffffffffffffda RBX: 00007ffe46b4cde0 RCX: 00007f5980f391e7 [ 107.048827][ T943] RDX: 0000000000000000 RSI: 00007ffe46b4c720 RDI: 0000000000000005 [ 107.049303][ T943] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 107.049783][ T943] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe46b4ce18 [ 107.050253][ T943] R13: 00000000686e0b60 R14: 0000000000499600 R15: 0000000000000000 | [ 107.215384][ T944] ------------[ cut here ]------------ | [ 107.215741][ T944] WARNING: CPU: 3 PID: 944 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 107.216398][ T944] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 107.217580][ T944] Tainted: [W]=WARN [ 107.217820][ T944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.218216][ T944] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 107.218551][ T944] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 107.219726][ T944] RSP: 0018:ffffc900019d7080 EFLAGS: 00010246 [ 107.220134][ T944] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 107.220623][ T944] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 107.221100][ T944] RBP: ffffc900019d7168 R08: 0000000000000000 R09: 0000000000000000 [ 107.221583][ T944] R10: ffffc900019d7198 R11: ffffffff924a8918 R12: 1ffff9200033ae14 [ 107.222108][ T944] R13: 00000000000005dc R14: ffffc900019d7198 R15: ffff88800e26af08 [ 107.222619][ T944] FS: 00007fe9b957f800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 107.223216][ T944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.223623][ T944] CR2: 00000000004a1738 CR3: 000000000c2e4005 CR4: 0000000000772ef0 [ 107.224107][ T944] PKRU: 55555554 [ 107.224360][ T944] Call Trace: [ 107.224616][ T944] [ 107.224786][ T944] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 107.225113][ T944] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 107.225452][ T944] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 107.225854][ T944] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 107.226180][ T944] netif_set_mtu (net/core/dev.c:9652) [ 107.226515][ T944] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 107.226855][ T944] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 107.227304][ T944] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 107.227601][ T944] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 107.228038][ T944] br_add_if (net/bridge/br_if.c:697) bridge [ 107.228409][ T944] do_set_master (net/core/rtnetlink.c:2948) [ 107.228782][ T944] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 107.229121][ T944] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 107.229468][ T944] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 107.229798][ T944] ? __dev_get_by_name (net/core/dev.c:865) [ 107.230131][ T944] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.230474][ T944] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.230804][ T944] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 107.231136][ T944] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.231486][ T944] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 107.231821][ T944] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 107.232190][ T944] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.232545][ T944] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 107.232869][ T944] ? __lock_release (kernel/locking/lockdep.c:5539) [ 107.233185][ T944] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.233523][ T944] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 107.233856][ T944] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.234190][ T944] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.234539][ T944] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 107.234868][ T944] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.235203][ T944] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 107.235563][ T944] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 107.235887][ T944] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 107.236215][ T944] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 107.236559][ T944] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 107.236883][ T944] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.237218][ T944] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 107.237549][ T944] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 107.237864][ T944] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 107.238186][ T944] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 107.238513][ T944] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 107.238825][ T944] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 107.239233][ T944] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 107.239566][ T944] ___sys_sendmsg (net/socket.c:2670) [ 107.239885][ T944] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 107.240203][ T944] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 107.240536][ T944] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.240852][ T944] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 107.241176][ T944] ? __handle_mm_fault (mm/memory.c:6212) [ 107.241509][ T944] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 107.241826][ T944] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 107.242163][ T944] __sys_sendmsg (net/socket.c:2700) [ 107.242491][ T944] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 107.242809][ T944] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 107.243134][ T944] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 107.243470][ T944] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 107.243797][ T944] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 107.244118][ T944] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 107.244535][ T944] RIP: 0033:0x7fe9b974c1e7 [ 107.244864][ T944] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 107.246022][ T944] RSP: 002b:00007ffd30c68a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.246513][ T944] RAX: ffffffffffffffda RBX: 00007ffd30c691a0 RCX: 00007fe9b974c1e7 [ 107.246995][ T944] RDX: 0000000000000000 RSI: 00007ffd30c68ae0 RDI: 0000000000000005 [ 107.247489][ T944] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 107.247990][ T944] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd30c691d8 [ 107.248483][ T944] R13: 00000000686e0b60 R14: 0000000000499600 R15: 0000000000000000 | [ 107.402979][ T946] ------------[ cut here ]------------ | [ 107.403328][ T946] WARNING: CPU: 3 PID: 946 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 107.404002][ T946] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 107.405505][ T946] Tainted: [W]=WARN [ 107.405743][ T946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.406157][ T946] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 107.406507][ T946] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 107.407647][ T946] RSP: 0018:ffffc90001127080 EFLAGS: 00010246 [ 107.408050][ T946] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 107.408532][ T946] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 107.409007][ T946] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000 [ 107.409489][ T946] R10: ffffc90001127198 R11: ffffffff924a8918 R12: 1ffff92000224e14 [ 107.409962][ T946] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff88800e26af08 [ 107.410438][ T946] FS: 00007f1513256800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 107.410986][ T946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.411380][ T946] CR2: 00000000004a1738 CR3: 000000000f5a2002 CR4: 0000000000772ef0 [ 107.411872][ T946] PKRU: 55555554 [ 107.412206][ T946] Call Trace: [ 107.412451][ T946] [ 107.412617][ T946] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 107.412940][ T946] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 107.413281][ T946] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 107.413687][ T946] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 107.414014][ T946] netif_set_mtu (net/core/dev.c:9652) [ 107.414341][ T946] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 107.414681][ T946] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 107.415124][ T946] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 107.415364][ T946] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 107.415807][ T946] br_add_if (net/bridge/br_if.c:697) bridge [ 107.416171][ T946] do_set_master (net/core/rtnetlink.c:2948) [ 107.416503][ T946] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 107.416824][ T946] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 107.417151][ T946] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 107.417478][ T946] ? __dev_get_by_name (net/core/dev.c:865) [ 107.417795][ T946] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.418115][ T946] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.418448][ T946] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 107.418766][ T946] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.419087][ T946] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 107.419423][ T946] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 107.419744][ T946] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.420074][ T946] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 107.420400][ T946] ? __lock_release (kernel/locking/lockdep.c:5539) [ 107.420723][ T946] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.421040][ T946] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 107.421372][ T946] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.421712][ T946] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.422041][ T946] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 107.422363][ T946] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.422699][ T946] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 107.423032][ T946] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 107.423348][ T946] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 107.423680][ T946] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 107.424011][ T946] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 107.424362][ T946] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.424690][ T946] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 107.425008][ T946] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 107.425328][ T946] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 107.425679][ T946] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 107.426001][ T946] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 107.426313][ T946] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 107.426722][ T946] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 107.427049][ T946] ___sys_sendmsg (net/socket.c:2670) [ 107.427364][ T946] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 107.427685][ T946] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 107.428004][ T946] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.428319][ T946] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 107.428652][ T946] ? __handle_mm_fault (mm/memory.c:6212) [ 107.428976][ T946] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 107.429296][ T946] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 107.429641][ T946] __sys_sendmsg (net/socket.c:2700) [ 107.429956][ T946] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 107.430285][ T946] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 107.430637][ T946] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 107.430964][ T946] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 107.431293][ T946] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 107.431628][ T946] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 107.432045][ T946] RIP: 0033:0x7f15134231e7 [ 107.432398][ T946] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 107.433607][ T946] RSP: 002b:00007fff04ea0328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.434115][ T946] RAX: ffffffffffffffda RBX: 00007fff04ea0a50 RCX: 00007f15134231e7 [ 107.434641][ T946] RDX: 0000000000000000 RSI: 00007fff04ea0390 RDI: 0000000000000005 [ 107.435147][ T946] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 107.435663][ T946] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff04ea0a88 [ 107.436168][ T946] R13: 00000000686e0b61 R14: 0000000000499600 R15: 0000000000000000 | [ 107.619565][ T950] ------------[ cut here ]------------ | [ 107.620012][ T950] WARNING: CPU: 2 PID: 950 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 107.620927][ T950] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 107.622377][ T950] Tainted: [W]=WARN [ 107.622707][ T950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.623193][ T950] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 107.623597][ T950] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 107.624769][ T950] RSP: 0000:ffffc900019d7080 EFLAGS: 00010246 [ 107.625184][ T950] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 107.625677][ T950] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 107.626163][ T950] RBP: ffffc900019d7168 R08: 0000000000000000 R09: 0000000000000000 [ 107.626655][ T950] R10: ffffc900019d7198 R11: ffffffff924a8918 R12: 1ffff9200033ae14 [ 107.627234][ T950] R13: 00000000000005dc R14: ffffc900019d7198 R15: ffff88800e26af08 [ 107.627816][ T950] FS: 00007ff890a61800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 107.628573][ T950] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.629143][ T950] CR2: 00007f9669a76c94 CR3: 000000000f488001 CR4: 0000000000772ef0 [ 107.629849][ T950] PKRU: 55555554 [ 107.630170][ T950] Call Trace: [ 107.630511][ T950] [ 107.630739][ T950] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 107.631180][ T950] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 107.631593][ T950] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 107.632140][ T950] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 107.632517][ T950] netif_set_mtu (net/core/dev.c:9652) [ 107.632934][ T950] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 107.633362][ T950] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 107.633951][ T950] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 107.634278][ T950] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 107.634838][ T950] br_add_if (net/bridge/br_if.c:697) bridge [ 107.635296][ T950] do_set_master (net/core/rtnetlink.c:2948) [ 107.635719][ T950] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 107.636097][ T950] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 107.636491][ T950] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 107.636891][ T950] ? __dev_get_by_name (net/core/dev.c:865) [ 107.637278][ T950] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.637697][ T950] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.638092][ T950] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 107.639063][ T950] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.639548][ T950] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 107.639937][ T950] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 107.640598][ T950] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.641275][ T950] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 107.641669][ T950] ? __lock_release (kernel/locking/lockdep.c:5539) [ 107.642111][ T950] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.642898][ T950] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 107.643927][ T950] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.644377][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.644861][ T950] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 107.645251][ T950] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.645679][ T950] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 107.646117][ T950] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 107.646531][ T950] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 107.646951][ T950] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 107.647350][ T950] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 107.647783][ T950] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.648731][ T950] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 107.649120][ T950] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 107.649499][ T950] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 107.649863][ T950] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 107.650450][ T950] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 107.651029][ T950] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 107.651468][ T950] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 107.651820][ T950] ___sys_sendmsg (net/socket.c:2670) [ 107.652212][ T950] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 107.652575][ T950] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 107.652927][ T950] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.653275][ T950] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 107.653877][ T950] ? __handle_mm_fault (mm/memory.c:6212) [ 107.654239][ T950] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 107.654592][ T950] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 107.654962][ T950] __sys_sendmsg (net/socket.c:2700) [ 107.655306][ T950] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 107.655656][ T950] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 107.656011][ T950] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 107.656365][ T950] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 107.656732][ T950] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 107.657082][ T950] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 107.657515][ T950] RIP: 0033:0x7ff890c2e1e7 [ 107.657872][ T950] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 107.659328][ T950] RSP: 002b:00007fff1dd7f798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.660328][ T950] RAX: ffffffffffffffda RBX: 00007fff1dd7fec0 RCX: 00007ff890c2e1e7 [ 107.661075][ T950] RDX: 0000000000000000 RSI: 00007fff1dd7f800 RDI: 0000000000000005 [ 107.661597][ T950] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 107.662106][ T950] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff1dd7fef8 [ 107.662867][ T950] R13: 00000000686e0b61 R14: 0000000000499600 R15: 0000000000000000 | [ 107.829153][ T952] ------------[ cut here ]------------ | [ 107.829519][ T952] WARNING: CPU: 2 PID: 952 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 107.830162][ T952] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 107.831510][ T952] Tainted: [W]=WARN [ 107.831854][ T952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.832270][ T952] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 107.832623][ T952] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 107.833770][ T952] RSP: 0018:ffffc90000567080 EFLAGS: 00010246 [ 107.834191][ T952] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 107.834698][ T952] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 107.835190][ T952] RBP: ffffc90000567168 R08: 0000000000000000 R09: 0000000000000000 [ 107.835680][ T952] R10: ffffc90000567198 R11: ffffffff924a8918 R12: 1ffff920000ace14 [ 107.836168][ T952] R13: 00000000000005dc R14: ffffc90000567198 R15: ffff88800e26af08 [ 107.836661][ T952] FS: 00007f8384dac800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 107.837219][ T952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.837635][ T952] CR2: 00000000004a1738 CR3: 0000000009555005 CR4: 0000000000772ef0 [ 107.838148][ T952] PKRU: 55555554 [ 107.838412][ T952] Call Trace: [ 107.838662][ T952] [ 107.838837][ T952] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 107.839172][ T952] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 107.839515][ T952] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 107.839923][ T952] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 107.840255][ T952] netif_set_mtu (net/core/dev.c:9652) [ 107.840594][ T952] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 107.840935][ T952] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 107.841397][ T952] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 107.841653][ T952] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 107.842095][ T952] br_add_if (net/bridge/br_if.c:697) bridge [ 107.842479][ T952] do_set_master (net/core/rtnetlink.c:2948) [ 107.842831][ T952] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 107.843169][ T952] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 107.843510][ T952] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 107.843835][ T952] ? __dev_get_by_name (net/core/dev.c:865) [ 107.844160][ T952] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.844511][ T952] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.844843][ T952] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 107.845176][ T952] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.845516][ T952] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 107.845858][ T952] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 107.846189][ T952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.846537][ T952] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 107.846861][ T952] ? __lock_release (kernel/locking/lockdep.c:5539) [ 107.847201][ T952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.847535][ T952] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 107.847880][ T952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.848215][ T952] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.848558][ T952] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 107.848885][ T952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.849215][ T952] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 107.849560][ T952] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 107.849895][ T952] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 107.850223][ T952] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 107.850566][ T952] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 107.850899][ T952] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.851236][ T952] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 107.851576][ T952] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 107.851941][ T952] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 107.852308][ T952] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 107.852649][ T952] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 107.852979][ T952] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 107.853398][ T952] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 107.853759][ T952] ___sys_sendmsg (net/socket.c:2670) [ 107.854087][ T952] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 107.854433][ T952] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 107.854788][ T952] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.855121][ T952] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 107.855473][ T952] ? __handle_mm_fault (mm/memory.c:6212) [ 107.855805][ T952] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 107.856130][ T952] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 107.856485][ T952] __sys_sendmsg (net/socket.c:2700) [ 107.856821][ T952] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 107.857154][ T952] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 107.857497][ T952] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 107.857837][ T952] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 107.858166][ T952] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 107.858529][ T952] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 107.858930][ T952] RIP: 0033:0x7f8384f791e7 [ 107.859266][ T952] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 107.860444][ T952] RSP: 002b:00007ffff0b86a08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.860940][ T952] RAX: ffffffffffffffda RBX: 00007ffff0b87130 RCX: 00007f8384f791e7 [ 107.861434][ T952] RDX: 0000000000000000 RSI: 00007ffff0b86a70 RDI: 0000000000000005 [ 107.861938][ T952] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 107.862440][ T952] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff0b87168 [ 107.862934][ T952] R13: 00000000686e0b61 R14: 0000000000499600 R15: 0000000000000000 | [ 108.026859][ T953] ------------[ cut here ]------------ | [ 108.027201][ T953] WARNING: CPU: 2 PID: 953 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 108.027900][ T953] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 108.029156][ T953] Tainted: [W]=WARN [ 108.029438][ T953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.029863][ T953] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 108.030213][ T953] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 108.031445][ T953] RSP: 0018:ffffc900005f7080 EFLAGS: 00010246 [ 108.031881][ T953] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 108.032385][ T953] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 108.032929][ T953] RBP: ffffc900005f7168 R08: 0000000000000000 R09: 0000000000000000 [ 108.033452][ T953] R10: ffffc900005f7198 R11: ffffffff924a8918 R12: 1ffff920000bee14 [ 108.033961][ T953] R13: 00000000000005dc R14: ffffc900005f7198 R15: ffff88800e26af08 [ 108.034495][ T953] FS: 00007f4fe15f6800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 108.035096][ T953] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.035529][ T953] CR2: 00000000004a1738 CR3: 0000000009555001 CR4: 0000000000772ef0 [ 108.036038][ T953] PKRU: 55555554 [ 108.036303][ T953] Call Trace: [ 108.036583][ T953] [ 108.036769][ T953] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 108.037127][ T953] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 108.037488][ T953] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 108.037902][ T953] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 108.038234][ T953] netif_set_mtu (net/core/dev.c:9652) [ 108.038573][ T953] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 108.038911][ T953] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 108.039375][ T953] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 108.039644][ T953] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 108.040097][ T953] br_add_if (net/bridge/br_if.c:697) bridge [ 108.040492][ T953] do_set_master (net/core/rtnetlink.c:2948) [ 108.040836][ T953] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 108.041184][ T953] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 108.041543][ T953] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 108.041889][ T953] ? __dev_get_by_name (net/core/dev.c:865) [ 108.042233][ T953] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.042577][ T953] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.042913][ T953] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 108.043239][ T953] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.043589][ T953] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 108.043930][ T953] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 108.044299][ T953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.044672][ T953] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 108.045019][ T953] ? __lock_release (kernel/locking/lockdep.c:5539) [ 108.045364][ T953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.045717][ T953] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 108.046061][ T953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.046402][ T953] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.046737][ T953] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 108.047082][ T953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.047432][ T953] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 108.047777][ T953] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 108.048105][ T953] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 108.048445][ T953] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 108.048777][ T953] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 108.049110][ T953] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.049469][ T953] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 108.049806][ T953] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 108.050139][ T953] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 108.050484][ T953] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 108.050818][ T953] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 108.051146][ T953] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 108.051565][ T953] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 108.051906][ T953] ___sys_sendmsg (net/socket.c:2670) [ 108.052240][ T953] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 108.052576][ T953] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 108.052909][ T953] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.053238][ T953] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 108.053605][ T953] ? __handle_mm_fault (mm/memory.c:6212) [ 108.053941][ T953] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 108.054289][ T953] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 108.054647][ T953] __sys_sendmsg (net/socket.c:2700) [ 108.054981][ T953] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 108.055311][ T953] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 108.055657][ T953] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 108.055991][ T953] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 108.056344][ T953] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 108.056696][ T953] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 108.057119][ T953] RIP: 0033:0x7f4fe17c31e7 [ 108.057478][ T953] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 108.058659][ T953] RSP: 002b:00007ffdba082058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.059155][ T953] RAX: ffffffffffffffda RBX: 00007ffdba082780 RCX: 00007f4fe17c31e7 [ 108.059646][ T953] RDX: 0000000000000000 RSI: 00007ffdba0820c0 RDI: 0000000000000005 [ 108.060137][ T953] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 108.060638][ T953] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdba0827b8 [ 108.061133][ T953] R13: 00000000686e0b61 R14: 0000000000499600 R15: 0000000000000000 | [ 108.216623][ T955] ------------[ cut here ]------------ | [ 108.216956][ T955] WARNING: CPU: 2 PID: 955 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 108.217640][ T955] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 108.218817][ T955] Tainted: [W]=WARN [ 108.219076][ T955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.219517][ T955] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 108.219864][ T955] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 108.221017][ T955] RSP: 0018:ffffc90000517080 EFLAGS: 00010246 [ 108.221437][ T955] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 108.221928][ T955] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 108.222422][ T955] RBP: ffffc90000517168 R08: 0000000000000000 R09: 0000000000000000 [ 108.222937][ T955] R10: ffffc90000517198 R11: ffffffff924a8918 R12: 1ffff920000a2e14 [ 108.223432][ T955] R13: 00000000000005dc R14: ffffc90000517198 R15: ffff88800e26af08 [ 108.223920][ T955] FS: 00007fcc0ac32800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 108.224571][ T955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.225001][ T955] CR2: 00000000004a1738 CR3: 0000000008b38005 CR4: 0000000000772ef0 [ 108.225521][ T955] PKRU: 55555554 [ 108.225789][ T955] Call Trace: [ 108.226058][ T955] [ 108.226245][ T955] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 108.226617][ T955] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 108.226966][ T955] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 108.227404][ T955] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 108.227754][ T955] netif_set_mtu (net/core/dev.c:9652) [ 108.228105][ T955] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 108.228467][ T955] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 108.228944][ T955] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 108.229212][ T955] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 108.229691][ T955] br_add_if (net/bridge/br_if.c:697) bridge [ 108.230084][ T955] do_set_master (net/core/rtnetlink.c:2948) [ 108.230449][ T955] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 108.230826][ T955] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 108.231181][ T955] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 108.231676][ T955] ? __dev_get_by_name (net/core/dev.c:865) [ 108.232105][ T955] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.232452][ T955] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.232794][ T955] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 108.233133][ T955] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.233476][ T955] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 108.233828][ T955] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 108.234212][ T955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.234574][ T955] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 108.234902][ T955] ? __lock_release (kernel/locking/lockdep.c:5539) [ 108.235237][ T955] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.235576][ T955] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 108.235920][ T955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.236255][ T955] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.236606][ T955] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 108.236950][ T955] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.237295][ T955] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 108.237644][ T955] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 108.237983][ T955] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 108.238318][ T955] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 108.238662][ T955] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 108.239003][ T955] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.239350][ T955] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 108.239693][ T955] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 108.240029][ T955] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 108.240375][ T955] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 108.240727][ T955] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 108.241077][ T955] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 108.241513][ T955] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 108.241856][ T955] ___sys_sendmsg (net/socket.c:2670) [ 108.242203][ T955] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 108.242550][ T955] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 108.242886][ T955] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.243213][ T955] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 108.243556][ T955] ? __handle_mm_fault (mm/memory.c:6212) [ 108.243891][ T955] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 108.244243][ T955] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 108.244600][ T955] __sys_sendmsg (net/socket.c:2700) [ 108.244933][ T955] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 108.245269][ T955] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 108.245617][ T955] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 108.245947][ T955] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 108.246287][ T955] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 108.246630][ T955] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 108.247037][ T955] RIP: 0033:0x7fcc0adff1e7 [ 108.247375][ T955] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 108.248529][ T955] RSP: 002b:00007fff442ecd08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.249045][ T955] RAX: ffffffffffffffda RBX: 00007fff442ed430 RCX: 00007fcc0adff1e7 [ 108.249557][ T955] RDX: 0000000000000000 RSI: 00007fff442ecd70 RDI: 0000000000000005 [ 108.250076][ T955] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 108.250600][ T955] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff442ed468 [ 108.251112][ T955] R13: 00000000686e0b61 R14: 0000000000499600 R15: 0000000000000000 | [ 108.430543][ T958] ------------[ cut here ]------------ | [ 108.430862][ T958] WARNING: CPU: 0 PID: 958 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 108.431545][ T958] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 108.432742][ T958] Tainted: [W]=WARN [ 108.432995][ T958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.433417][ T958] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 108.433757][ T958] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 108.434973][ T958] RSP: 0000:ffffc90000637080 EFLAGS: 00010246 [ 108.435400][ T958] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 108.435896][ T958] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 108.436386][ T958] RBP: ffffc90000637168 R08: 0000000000000000 R09: 0000000000000000 [ 108.436894][ T958] R10: ffffc90000637198 R11: ffffffff924a8918 R12: 1ffff920000c6e14 [ 108.437403][ T958] R13: 00000000000005dc R14: ffffc90000637198 R15: ffff88800e26af08 [ 108.437901][ T958] FS: 00007f3e2b13a800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 108.438489][ T958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.438909][ T958] CR2: 00007f9669a76bd4 CR3: 000000000bd25003 CR4: 0000000000772ef0 [ 108.439420][ T958] PKRU: 55555554 [ 108.439670][ T958] Call Trace: [ 108.439915][ T958] [ 108.440092][ T958] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 108.440447][ T958] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 108.440785][ T958] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 108.441206][ T958] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 108.441551][ T958] netif_set_mtu (net/core/dev.c:9652) [ 108.441888][ T958] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 108.442233][ T958] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 108.442703][ T958] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 108.442956][ T958] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 108.443429][ T958] br_add_if (net/bridge/br_if.c:697) bridge [ 108.443795][ T958] do_set_master (net/core/rtnetlink.c:2948) [ 108.444113][ T958] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 108.444467][ T958] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 108.444856][ T958] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 108.445216][ T958] ? __dev_get_by_name (net/core/dev.c:865) [ 108.445585][ T958] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.445953][ T958] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.446314][ T958] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 108.446667][ T958] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.447027][ T958] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 108.447402][ T958] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 108.447764][ T958] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.448126][ T958] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 108.448481][ T958] ? __lock_release (kernel/locking/lockdep.c:5539) [ 108.448822][ T958] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.449156][ T958] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 108.449500][ T958] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.449836][ T958] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.450190][ T958] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 108.450542][ T958] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.450906][ T958] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 108.451259][ T958] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 108.451605][ T958] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 108.451938][ T958] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 108.452283][ T958] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 108.452634][ T958] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.452987][ T958] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 108.453339][ T958] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 108.453703][ T958] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 108.454046][ T958] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 108.454426][ T958] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 108.454746][ T958] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 108.455144][ T958] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 108.455494][ T958] ___sys_sendmsg (net/socket.c:2670) [ 108.455827][ T958] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 108.456166][ T958] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 108.456511][ T958] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.456826][ T958] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 108.457153][ T958] ? __handle_mm_fault (mm/memory.c:6212) [ 108.457531][ T958] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 108.457862][ T958] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 108.458210][ T958] __sys_sendmsg (net/socket.c:2700) [ 108.458584][ T958] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 108.458910][ T958] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 108.459233][ T958] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 108.459574][ T958] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 108.459911][ T958] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 108.460231][ T958] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 108.460629][ T958] RIP: 0033:0x7f3e2b3071e7 [ 108.460987][ T958] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 108.462131][ T958] RSP: 002b:00007ffe8f0b8d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.462639][ T958] RAX: ffffffffffffffda RBX: 00007ffe8f0b9490 RCX: 00007f3e2b3071e7 [ 108.463121][ T958] RDX: 0000000000000000 RSI: 00007ffe8f0b8dd0 RDI: 0000000000000005 [ 108.463628][ T958] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 108.464110][ T958] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe8f0b94c8 [ 108.464641][ T958] R13: 00000000686e0b62 R14: 0000000000499600 R15: 0000000000000000 | [ 108.614860][ T959] ------------[ cut here ]------------ | [ 108.615208][ T959] WARNING: CPU: 3 PID: 959 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 108.616200][ T959] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 108.617375][ T959] Tainted: [W]=WARN [ 108.617687][ T959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.618109][ T959] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 108.618469][ T959] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 108.619649][ T959] RSP: 0018:ffffc900019d7080 EFLAGS: 00010246 [ 108.620071][ T959] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 108.620602][ T959] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 108.621099][ T959] RBP: ffffc900019d7168 R08: 0000000000000000 R09: 0000000000000000 [ 108.621599][ T959] R10: ffffc900019d7198 R11: ffffffff924a8918 R12: 1ffff9200033ae14 [ 108.622078][ T959] R13: 00000000000005dc R14: ffffc900019d7198 R15: ffff88800e26af08 [ 108.622553][ T959] FS: 00007f4152098800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 108.623110][ T959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.623514][ T959] CR2: 00007f41522ac5c0 CR3: 0000000009548003 CR4: 0000000000772ef0 [ 108.623984][ T959] PKRU: 55555554 [ 108.624234][ T959] Call Trace: [ 108.624482][ T959] [ 108.624649][ T959] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 108.624975][ T959] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 108.625296][ T959] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 108.625704][ T959] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 108.626024][ T959] netif_set_mtu (net/core/dev.c:9652) [ 108.626339][ T959] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 108.626680][ T959] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 108.627117][ T959] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 108.627357][ T959] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 108.627796][ T959] br_add_if (net/bridge/br_if.c:697) bridge [ 108.628159][ T959] do_set_master (net/core/rtnetlink.c:2948) [ 108.628484][ T959] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 108.628810][ T959] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 108.629127][ T959] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 108.629449][ T959] ? __dev_get_by_name (net/core/dev.c:865) [ 108.629764][ T959] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.630078][ T959] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.630410][ T959] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 108.630727][ T959] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.631053][ T959] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 108.631379][ T959] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 108.631711][ T959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.632037][ T959] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 108.632347][ T959] ? __lock_release (kernel/locking/lockdep.c:5539) [ 108.632674][ T959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.632989][ T959] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 108.633303][ T959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.633636][ T959] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.633959][ T959] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 108.634287][ T959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.634612][ T959] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 108.634942][ T959] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 108.635256][ T959] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 108.635584][ T959] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 108.635911][ T959] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 108.636224][ T959] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.636554][ T959] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 108.636872][ T959] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 108.637190][ T959] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 108.637524][ T959] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 108.637844][ T959] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 108.638166][ T959] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 108.638580][ T959] ___sys_sendmsg (net/socket.c:2670) [ 108.638902][ T959] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 108.639230][ T959] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 108.639566][ T959] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 108.639881][ T959] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 108.640207][ T959] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.640543][ T959] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 108.640866][ T959] __sys_sendmsg (net/socket.c:2700) [ 108.641181][ T959] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 108.641517][ T959] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 108.641836][ T959] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 108.642152][ T959] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 108.642556][ T959] RIP: 0033:0x7f41522651e7 [ 108.642889][ T959] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 108.644024][ T959] RSP: 002b:00007fff53605e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.644523][ T959] RAX: ffffffffffffffda RBX: 00007fff53606540 RCX: 00007f41522651e7 [ 108.645002][ T959] RDX: 0000000000000000 RSI: 00007fff53605e80 RDI: 0000000000000005 [ 108.645482][ T959] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 108.645954][ T959] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff53606578 [ 108.646434][ T959] R13: 00000000686e0b62 R14: 0000000000499600 R15: 0000000000000000 | [ 108.796599][ T961] ------------[ cut here ]------------ | [ 108.796957][ T961] WARNING: CPU: 3 PID: 961 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 108.797969][ T961] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 108.799152][ T961] Tainted: [W]=WARN [ 108.799404][ T961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.799799][ T961] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 108.800126][ T961] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 108.801345][ T961] RSP: 0018:ffffc90000667080 EFLAGS: 00010246 [ 108.801807][ T961] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 108.802324][ T961] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 108.802857][ T961] RBP: ffffc90000667168 R08: 0000000000000000 R09: 0000000000000000 [ 108.803372][ T961] R10: ffffc90000667198 R11: ffffffff924a8918 R12: 1ffff920000cce14 [ 108.803922][ T961] R13: 00000000000005dc R14: ffffc90000667198 R15: ffff88800e26af08 [ 108.804464][ T961] FS: 00007fe76cec1800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 108.805078][ T961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.805531][ T961] CR2: 00000000004a1738 CR3: 0000000009548005 CR4: 0000000000772ef0 [ 108.806071][ T961] PKRU: 55555554 [ 108.806312][ T961] Call Trace: [ 108.806559][ T961] [ 108.806738][ T961] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 108.807083][ T961] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 108.807452][ T961] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 108.807880][ T961] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 108.808229][ T961] netif_set_mtu (net/core/dev.c:9652) [ 108.808578][ T961] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 108.808922][ T961] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 108.809401][ T961] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 108.809672][ T961] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 108.810131][ T961] br_add_if (net/bridge/br_if.c:697) bridge [ 108.810548][ T961] do_set_master (net/core/rtnetlink.c:2948) [ 108.810898][ T961] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 108.811248][ T961] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 108.811594][ T961] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 108.811918][ T961] ? __dev_get_by_name (net/core/dev.c:865) [ 108.812255][ T961] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.812597][ T961] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.812939][ T961] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 108.813284][ T961] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.813640][ T961] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 108.813987][ T961] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 108.814362][ T961] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.814723][ T961] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 108.815065][ T961] ? __lock_release (kernel/locking/lockdep.c:5539) [ 108.815443][ T961] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.815792][ T961] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 108.816128][ T961] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.816483][ T961] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.816829][ T961] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 108.817161][ T961] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.817504][ T961] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 108.817882][ T961] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 108.818232][ T961] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 108.818591][ T961] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 108.818932][ T961] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 108.819265][ T961] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.819622][ T961] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 108.819975][ T961] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 108.820309][ T961] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 108.820664][ T961] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 108.821001][ T961] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 108.821338][ T961] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 108.821763][ T961] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 108.822125][ T961] ___sys_sendmsg (net/socket.c:2670) [ 108.822469][ T961] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 108.822805][ T961] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 108.823141][ T961] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.823498][ T961] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 108.823851][ T961] ? __handle_mm_fault (mm/memory.c:6212) [ 108.824204][ T961] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 108.824565][ T961] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 108.824928][ T961] __sys_sendmsg (net/socket.c:2700) [ 108.825279][ T961] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 108.825639][ T961] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 108.825995][ T961] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 108.826337][ T961] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 108.826696][ T961] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 108.827043][ T961] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 108.827450][ T961] RIP: 0033:0x7fe76d08e1e7 [ 108.827777][ T961] Code: Unable to access opcode bytes at 0x7fe76d08e1bd. Code starting with the faulting instruction =========================================== [ 108.828183][ T961] RSP: 002b:00007ffc4a1481e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.828745][ T961] RAX: ffffffffffffffda RBX: 00007ffc4a148910 RCX: 00007fe76d08e1e7 [ 108.829265][ T961] RDX: 0000000000000000 RSI: 00007ffc4a148250 RDI: 0000000000000005 [ 108.829811][ T961] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 108.830321][ T961] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4a148948 [ 108.830847][ T961] R13: 00000000686e0b62 R14: 0000000000499600 R15: 0000000000000000 | [ 108.996284][ T964] ------------[ cut here ]------------ | [ 108.996724][ T964] WARNING: CPU: 2 PID: 964 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 108.997486][ T964] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 108.998844][ T964] Tainted: [W]=WARN [ 108.999146][ T964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.999629][ T964] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.000011][ T964] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.001304][ T964] RSP: 0000:ffffc90001127080 EFLAGS: 00010246 [ 109.001784][ T964] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 109.002347][ T964] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 109.002910][ T964] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000 [ 109.003485][ T964] R10: ffffc90001127198 R11: ffffffff924a8918 R12: 1ffff92000224e14 [ 109.004045][ T964] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff88800e26af08 [ 109.004627][ T964] FS: 00007fcacbe94800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 109.005257][ T964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.005760][ T964] CR2: 00007f96699f61e4 CR3: 000000000f507001 CR4: 0000000000772ef0 [ 109.006321][ T964] PKRU: 55555554 [ 109.006623][ T964] Call Trace: [ 109.006917][ T964] [ 109.007117][ T964] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.007504][ T964] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.007877][ T964] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.008330][ T964] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.008710][ T964] netif_set_mtu (net/core/dev.c:9652) [ 109.009095][ T964] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.009491][ T964] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.010022][ T964] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.010311][ T964] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.010829][ T964] br_add_if (net/bridge/br_if.c:697) bridge [ 109.011262][ T964] do_set_master (net/core/rtnetlink.c:2948) [ 109.011657][ T964] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.012061][ T964] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.012455][ T964] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.012834][ T964] ? __dev_get_by_name (net/core/dev.c:865) [ 109.013215][ T964] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.013608][ T964] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.013997][ T964] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.014412][ T964] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.014814][ T964] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.015202][ T964] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.015606][ T964] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.016001][ T964] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.016398][ T964] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.016823][ T964] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.017179][ T964] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.017559][ T964] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.017912][ T964] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.018266][ T964] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.018631][ T964] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.018985][ T964] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.019361][ T964] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.019719][ T964] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.020074][ T964] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 109.020429][ T964] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 109.020772][ T964] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.021123][ T964] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 109.021480][ T964] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 109.021824][ T964] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 109.022175][ T964] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 109.022541][ T964] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 109.022883][ T964] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 109.023317][ T964] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 109.023670][ T964] ___sys_sendmsg (net/socket.c:2670) [ 109.024062][ T964] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 109.024456][ T964] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 109.024843][ T964] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.025230][ T964] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 109.025619][ T964] ? __handle_mm_fault (mm/memory.c:6212) [ 109.025988][ T964] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 109.026354][ T964] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 109.026768][ T964] __sys_sendmsg (net/socket.c:2700) [ 109.027144][ T964] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 109.027540][ T964] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 109.027930][ T964] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 109.028322][ T964] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 109.028948][ T964] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.029329][ T964] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 109.030019][ T964] RIP: 0033:0x7fcacc0611e7 [ 109.030418][ T964] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 109.031699][ T964] RSP: 002b:00007ffff923d0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.032265][ T964] RAX: ffffffffffffffda RBX: 00007ffff923d820 RCX: 00007fcacc0611e7 [ 109.032835][ T964] RDX: 0000000000000000 RSI: 00007ffff923d160 RDI: 0000000000000005 [ 109.033409][ T964] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 109.033968][ T964] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff923d858 [ 109.034544][ T964] R13: 00000000686e0b62 R14: 0000000000499600 R15: 0000000000000000 | [ 109.206539][ T965] ------------[ cut here ]------------ | [ 109.206874][ T965] WARNING: CPU: 1 PID: 965 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 109.208574][ T965] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 109.209807][ T965] Tainted: [W]=WARN [ 109.210065][ T965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.210498][ T965] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.210838][ T965] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.212026][ T965] RSP: 0018:ffffc90002197080 EFLAGS: 00010246 [ 109.212439][ T965] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 109.212921][ T965] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 109.213404][ T965] RBP: ffffc90002197168 R08: 0000000000000000 R09: 0000000000000000 [ 109.213872][ T965] R10: ffffc90002197198 R11: ffffffff924a8918 R12: 1ffff92000432e14 [ 109.214369][ T965] R13: 00000000000005dc R14: ffffc90002197198 R15: ffff88800e26af08 [ 109.214927][ T965] FS: 00007fee408d6800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 109.215492][ T965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.215927][ T965] CR2: 00000000004a1738 CR3: 000000000c305006 CR4: 0000000000772ef0 [ 109.216432][ T965] PKRU: 55555554 [ 109.216682][ T965] Call Trace: [ 109.216932][ T965] [ 109.217105][ T965] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.217456][ T965] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.217796][ T965] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.218212][ T965] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.218571][ T965] netif_set_mtu (net/core/dev.c:9652) [ 109.218910][ T965] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.219254][ T965] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.219729][ T965] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.219984][ T965] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.220439][ T965] br_add_if (net/bridge/br_if.c:697) bridge [ 109.220816][ T965] do_set_master (net/core/rtnetlink.c:2948) [ 109.221144][ T965] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.221485][ T965] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.221817][ T965] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.222147][ T965] ? __dev_get_by_name (net/core/dev.c:865) [ 109.222501][ T965] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.222834][ T965] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.223167][ T965] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.223510][ T965] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.223850][ T965] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.224208][ T965] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.224568][ T965] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.224912][ T965] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.225237][ T965] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.225580][ T965] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.225909][ T965] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.226239][ T965] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.226595][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.226926][ T965] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.227249][ T965] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.227604][ T965] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.227935][ T965] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.228249][ T965] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.228573][ T965] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 109.228892][ T965] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 109.229206][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.229540][ T965] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 109.229861][ T965] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 109.230178][ T965] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 109.230516][ T965] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 109.230839][ T965] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 109.231152][ T965] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 109.231557][ T965] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 109.231878][ T965] ___sys_sendmsg (net/socket.c:2670) [ 109.232195][ T965] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 109.232544][ T965] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 109.232873][ T965] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.233202][ T965] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 109.233545][ T965] ? __handle_mm_fault (mm/memory.c:6212) [ 109.233880][ T965] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 109.234226][ T965] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 109.234595][ T965] __sys_sendmsg (net/socket.c:2700) [ 109.234927][ T965] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 109.235270][ T965] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 109.235623][ T965] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 109.235955][ T965] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 109.236288][ T965] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.236629][ T965] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 109.237037][ T965] RIP: 0033:0x7fee40aa31e7 [ 109.237378][ T965] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 109.238570][ T965] RSP: 002b:00007ffcb3bc61b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.239071][ T965] RAX: ffffffffffffffda RBX: 00007ffcb3bc68e0 RCX: 00007fee40aa31e7 [ 109.239550][ T965] RDX: 0000000000000000 RSI: 00007ffcb3bc6220 RDI: 0000000000000005 [ 109.240028][ T965] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 109.240510][ T965] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcb3bc6918 [ 109.240980][ T965] R13: 00000000686e0b62 R14: 0000000000499600 R15: 0000000000000000 | [ 109.389074][ T967] ------------[ cut here ]------------ | [ 109.389461][ T967] WARNING: CPU: 1 PID: 967 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 109.390115][ T967] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 109.391310][ T967] Tainted: [W]=WARN [ 109.391716][ T967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.392115][ T967] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.392611][ T967] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.393941][ T967] RSP: 0000:ffffc90000557080 EFLAGS: 00010246 [ 109.394374][ T967] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 109.395022][ T967] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 109.395654][ T967] RBP: ffffc90000557168 R08: 0000000000000000 R09: 0000000000000000 [ 109.396139][ T967] R10: ffffc90000557198 R11: ffffffff924a8918 R12: 1ffff920000aae14 [ 109.396784][ T967] R13: 00000000000005dc R14: ffffc90000557198 R15: ffff88800e26af08 [ 109.397261][ T967] FS: 00007f16c438b800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 109.397985][ T967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.398542][ T967] CR2: 00007f96698dfb30 CR3: 000000000bd19006 CR4: 0000000000772ef0 [ 109.399025][ T967] PKRU: 55555554 [ 109.399273][ T967] Call Trace: [ 109.399671][ T967] [ 109.399836][ T967] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.400164][ T967] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.400589][ T967] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.401005][ T967] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.401336][ T967] netif_set_mtu (net/core/dev.c:9652) [ 109.401675][ T967] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.402016][ T967] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.402482][ T967] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.402734][ T967] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.403183][ T967] br_add_if (net/bridge/br_if.c:697) bridge [ 109.403575][ T967] do_set_master (net/core/rtnetlink.c:2948) [ 109.403906][ T967] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.404263][ T967] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.404609][ T967] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.404935][ T967] ? __dev_get_by_name (net/core/dev.c:865) [ 109.405268][ T967] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.405608][ T967] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.405951][ T967] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.406278][ T967] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.406625][ T967] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.406963][ T967] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.407296][ T967] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.407647][ T967] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.407975][ T967] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.408313][ T967] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.408651][ T967] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.408985][ T967] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.409321][ T967] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.409667][ T967] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.410004][ T967] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.410337][ T967] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.410688][ T967] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.411025][ T967] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.411358][ T967] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 109.411704][ T967] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 109.412037][ T967] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.412374][ T967] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 109.412716][ T967] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 109.413047][ T967] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 109.413401][ T967] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 109.413737][ T967] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 109.414066][ T967] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 109.414512][ T967] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 109.414851][ T967] ___sys_sendmsg (net/socket.c:2670) [ 109.415180][ T967] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 109.415515][ T967] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 109.415850][ T967] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.416178][ T967] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 109.416520][ T967] ? __handle_mm_fault (mm/memory.c:6212) [ 109.416850][ T967] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 109.417176][ T967] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 109.417528][ T967] __sys_sendmsg (net/socket.c:2700) [ 109.417866][ T967] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 109.418196][ T967] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 109.418541][ T967] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 109.418876][ T967] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 109.419209][ T967] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.419547][ T967] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 109.419957][ T967] RIP: 0033:0x7f16c45581e7 [ 109.420299][ T967] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 109.421483][ T967] RSP: 002b:00007ffc9fbb2948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.421980][ T967] RAX: ffffffffffffffda RBX: 00007ffc9fbb3070 RCX: 00007f16c45581e7 [ 109.422489][ T967] RDX: 0000000000000000 RSI: 00007ffc9fbb29b0 RDI: 0000000000000005 [ 109.422982][ T967] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 109.423483][ T967] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9fbb30a8 [ 109.423977][ T967] R13: 00000000686e0b63 R14: 0000000000499600 R15: 0000000000000000 | [ 109.589498][ T969] ------------[ cut here ]------------ | [ 109.589862][ T969] WARNING: CPU: 1 PID: 969 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 109.590711][ T969] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 109.592038][ T969] Tainted: [W]=WARN [ 109.592281][ T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.592834][ T969] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.593162][ T969] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.594479][ T969] RSP: 0018:ffffc900019d7080 EFLAGS: 00010246 [ 109.594897][ T969] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 109.595397][ T969] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 109.595961][ T969] RBP: ffffc900019d7168 R08: 0000000000000000 R09: 0000000000000000 [ 109.596463][ T969] R10: ffffc900019d7198 R11: ffffffff924a8918 R12: 1ffff9200033ae14 [ 109.596966][ T969] R13: 00000000000005dc R14: ffffc900019d7198 R15: ffff88800e26af08 [ 109.597467][ T969] FS: 00007fc9f59f5800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 109.598040][ T969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.598464][ T969] CR2: 00000000004a1738 CR3: 000000000f263004 CR4: 0000000000772ef0 [ 109.598959][ T969] PKRU: 55555554 [ 109.599205][ T969] Call Trace: [ 109.599459][ T969] [ 109.599632][ T969] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.599967][ T969] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.600299][ T969] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.600719][ T969] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.601053][ T969] netif_set_mtu (net/core/dev.c:9652) [ 109.601385][ T969] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.601734][ T969] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.602192][ T969] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.602452][ T969] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.602905][ T969] br_add_if (net/bridge/br_if.c:697) bridge [ 109.603282][ T969] do_set_master (net/core/rtnetlink.c:2948) [ 109.603622][ T969] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.603957][ T969] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.604300][ T969] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.604643][ T969] ? __dev_get_by_name (net/core/dev.c:865) [ 109.604980][ T969] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.605320][ T969] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.605664][ T969] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.605991][ T969] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.606327][ T969] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.606673][ T969] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.607012][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.607351][ T969] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.607690][ T969] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.608023][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.608352][ T969] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.608690][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.609022][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.609358][ T969] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.609696][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.610025][ T969] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.610370][ T969] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.610707][ T969] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.611037][ T969] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 109.611368][ T969] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 109.611712][ T969] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 109.612045][ T969] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 109.612374][ T969] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 109.612728][ T969] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 109.613061][ T969] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 109.613387][ T969] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 109.613806][ T969] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 109.614139][ T969] ___sys_sendmsg (net/socket.c:2670) [ 109.614488][ T969] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 109.614820][ T969] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 109.615159][ T969] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 109.615492][ T969] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 109.615826][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.616162][ T969] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 109.616503][ T969] __sys_sendmsg (net/socket.c:2700) [ 109.616833][ T969] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 109.617171][ T969] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 109.617514][ T969] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.617843][ T969] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 109.618248][ T969] RIP: 0033:0x7fc9f5bc21e7 [ 109.618595][ T969] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 109.619768][ T969] RSP: 002b:00007ffd24b306f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.620268][ T969] RAX: ffffffffffffffda RBX: 00007ffd24b30e20 RCX: 00007fc9f5bc21e7 [ 109.620767][ T969] RDX: 0000000000000000 RSI: 00007ffd24b30760 RDI: 0000000000000005 [ 109.621257][ T969] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 109.621752][ T969] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd24b30e58 [ 109.622248][ T969] R13: 00000000686e0b63 R14: 0000000000499600 R15: 0000000000000000 | [ 109.793881][ T972] ------------[ cut here ]------------ | [ 109.794285][ T972] WARNING: CPU: 3 PID: 972 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 109.795730][ T972] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 109.797071][ T972] Tainted: [W]=WARN [ 109.797340][ T972] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.797799][ T972] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.798170][ T972] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.799456][ T972] RSP: 0018:ffffc90000667080 EFLAGS: 00010246 [ 109.799913][ T972] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 109.800470][ T972] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 109.801025][ T972] RBP: ffffc90000667168 R08: 0000000000000000 R09: 0000000000000000 [ 109.801584][ T972] R10: ffffc90000667198 R11: ffffffff924a8918 R12: 1ffff920000cce14 [ 109.802125][ T972] R13: 00000000000005dc R14: ffffc90000667198 R15: ffff88800e26af08 [ 109.802669][ T972] FS: 00007f965a87d800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 109.803302][ T972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.803766][ T972] CR2: 00000000004a1738 CR3: 000000000f3c7005 CR4: 0000000000772ef0 [ 109.804323][ T972] PKRU: 55555554 [ 109.804609][ T972] Call Trace: [ 109.804883][ T972] [ 109.805081][ T972] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.805462][ T972] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.805820][ T972] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.806279][ T972] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.806668][ T972] netif_set_mtu (net/core/dev.c:9652) [ 109.807029][ T972] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.807407][ T972] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.807898][ T972] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.808182][ T972] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.808692][ T972] br_add_if (net/bridge/br_if.c:697) bridge [ 109.809110][ T972] do_set_master (net/core/rtnetlink.c:2948) [ 109.809629][ T972] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.809992][ T972] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.810349][ T972] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.810850][ T972] ? __dev_get_by_name (net/core/dev.c:865) [ 109.811209][ T972] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.811738][ T972] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.812103][ T972] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.812523][ T972] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.812884][ T972] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.813251][ T972] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.813629][ T972] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.814010][ T972] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.814411][ T972] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.814780][ T972] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.815139][ T972] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.815518][ T972] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.815891][ T972] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.816256][ T972] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.816623][ T972] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.816985][ T972] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.817358][ T972] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.817732][ T972] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.818098][ T972] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 109.818468][ T972] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 109.818831][ T972] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.819201][ T972] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 109.819577][ T972] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 109.819945][ T972] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 109.820317][ T972] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 109.820684][ T972] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 109.821051][ T972] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 109.821516][ T972] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 109.821887][ T972] ___sys_sendmsg (net/socket.c:2670) [ 109.822255][ T972] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 109.822636][ T972] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 109.823000][ T972] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.823372][ T972] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 109.823761][ T972] ? __handle_mm_fault (mm/memory.c:6212) [ 109.824128][ T972] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 109.824515][ T972] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 109.824893][ T972] __sys_sendmsg (net/socket.c:2700) [ 109.825253][ T972] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 109.825616][ T972] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 109.825983][ T972] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 109.826355][ T972] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 109.826731][ T972] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.827089][ T972] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 109.827536][ T972] RIP: 0033:0x7f965aa4a1e7 [ 109.827903][ T972] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 109.829186][ T972] RSP: 002b:00007ffc0762b588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.829751][ T972] RAX: ffffffffffffffda RBX: 00007ffc0762bcb0 RCX: 00007f965aa4a1e7 [ 109.830297][ T972] RDX: 0000000000000000 RSI: 00007ffc0762b5f0 RDI: 0000000000000005 [ 109.830833][ T972] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 109.831364][ T972] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc0762bce8 [ 109.831939][ T972] R13: 00000000686e0b63 R14: 0000000000499600 R15: 0000000000000000 | [ 109.977967][ T974] ------------[ cut here ]------------ | [ 109.978304][ T974] WARNING: CPU: 2 PID: 974 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 109.978998][ T974] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 109.980281][ T974] Tainted: [W]=WARN [ 109.980556][ T974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.980978][ T974] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.981327][ T974] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.982492][ T974] RSP: 0018:ffffc90000667080 EFLAGS: 00010246 [ 109.982910][ T974] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 109.983405][ T974] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 109.983898][ T974] RBP: ffffc90000667168 R08: 0000000000000000 R09: 0000000000000000 [ 109.984406][ T974] R10: ffffc90000667198 R11: ffffffff924a8918 R12: 1ffff920000cce14 [ 109.984894][ T974] R13: 00000000000005dc R14: ffffc90000667198 R15: ffff88800e26af08 [ 109.985381][ T974] FS: 00007fa542309800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 109.985959][ T974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.986436][ T974] CR2: 00000000004a1738 CR3: 000000000f1c4003 CR4: 0000000000772ef0 [ 109.986943][ T974] PKRU: 55555554 [ 109.987204][ T974] Call Trace: [ 109.987482][ T974] [ 109.987675][ T974] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.988031][ T974] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.988396][ T974] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.988837][ T974] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.989196][ T974] netif_set_mtu (net/core/dev.c:9652) [ 109.989580][ T974] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.989943][ T974] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.990427][ T974] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.990695][ T974] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.991163][ T974] br_add_if (net/bridge/br_if.c:697) bridge [ 109.991575][ T974] do_set_master (net/core/rtnetlink.c:2948) [ 109.991930][ T974] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.992279][ T974] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.992637][ T974] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.992983][ T974] ? __dev_get_by_name (net/core/dev.c:865) [ 109.993329][ T974] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.993686][ T974] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.994048][ T974] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.994421][ T974] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.994771][ T974] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.995123][ T974] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.995469][ T974] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.995827][ T974] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.996169][ T974] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.996531][ T974] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.996878][ T974] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.997231][ T974] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.997590][ T974] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.997943][ T974] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.998301][ T974] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.998671][ T974] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.999032][ T974] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.999375][ T974] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.999741][ T974] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 110.000090][ T974] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 110.000445][ T974] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.000798][ T974] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 110.001150][ T974] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 110.001507][ T974] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 110.001862][ T974] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 110.002219][ T974] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 110.002577][ T974] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 110.003017][ T974] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 110.003374][ T974] ___sys_sendmsg (net/socket.c:2670) [ 110.003735][ T974] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 110.004072][ T974] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 110.004440][ T974] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.004797][ T974] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 110.005146][ T974] ? __handle_mm_fault (mm/memory.c:6212) [ 110.005502][ T974] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 110.006079][ T974] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 110.006452][ T974] __sys_sendmsg (net/socket.c:2700) [ 110.006802][ T974] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 110.007166][ T974] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 110.007528][ T974] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 110.007906][ T974] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 110.008255][ T974] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 110.008606][ T974] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 110.009032][ T974] RIP: 0033:0x7fa5424d61e7 [ 110.009398][ T974] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 110.010636][ T974] RSP: 002b:00007ffd7ce50208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.011155][ T974] RAX: ffffffffffffffda RBX: 00007ffd7ce50930 RCX: 00007fa5424d61e7 [ 110.011672][ T974] RDX: 0000000000000000 RSI: 00007ffd7ce50270 RDI: 0000000000000005 [ 110.012185][ T974] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 110.012948][ T974] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd7ce50968 [ 110.013460][ T974] R13: 00000000686e0b63 R14: 0000000000499600 R15: 0000000000000000 | [ 110.185236][ T975] ------------[ cut here ]------------ | [ 110.185648][ T975] WARNING: CPU: 2 PID: 975 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 110.186335][ T975] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 110.187613][ T975] Tainted: [W]=WARN [ 110.187877][ T975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 110.188322][ T975] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 110.188701][ T975] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 110.189943][ T975] RSP: 0018:ffffc90000667080 EFLAGS: 00010246 [ 110.190377][ T975] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 110.191004][ T975] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 110.191557][ T975] RBP: ffffc90000667168 R08: 0000000000000000 R09: 0000000000000000 [ 110.192084][ T975] R10: ffffc90000667198 R11: ffffffff924a8918 R12: 1ffff920000cce14 [ 110.192635][ T975] R13: 00000000000005dc R14: ffffc90000667198 R15: ffff88800e26af08 [ 110.193161][ T975] FS: 00007fe276c38800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 110.193780][ T975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.194225][ T975] CR2: 00007f9669820a00 CR3: 000000000f417001 CR4: 0000000000772ef0 [ 110.194783][ T975] PKRU: 55555554 [ 110.195046][ T975] Call Trace: [ 110.195314][ T975] [ 110.195527][ T975] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 110.195908][ T975] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 110.196278][ T975] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 110.196745][ T975] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 110.197115][ T975] netif_set_mtu (net/core/dev.c:9652) [ 110.197495][ T975] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 110.197881][ T975] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 110.198402][ T975] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 110.198692][ T975] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 110.199195][ T975] br_add_if (net/bridge/br_if.c:697) bridge [ 110.199626][ T975] do_set_master (net/core/rtnetlink.c:2948) [ 110.200008][ T975] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 110.200383][ T975] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 110.200758][ T975] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 110.201134][ T975] ? __dev_get_by_name (net/core/dev.c:865) [ 110.201520][ T975] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.201891][ T975] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.202260][ T975] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 110.202621][ T975] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.202989][ T975] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 110.203362][ T975] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 110.203733][ T975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.204112][ T975] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 110.204522][ T975] ? __lock_release (kernel/locking/lockdep.c:5539) [ 110.204891][ T975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.205234][ T975] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 110.205596][ T975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.205945][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.206304][ T975] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 110.206679][ T975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.207030][ T975] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 110.207402][ T975] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 110.207764][ T975] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 110.208130][ T975] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 110.208496][ T975] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 110.208862][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.209242][ T975] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 110.209624][ T975] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 110.209984][ T975] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 110.210341][ T975] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 110.210711][ T975] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 110.211055][ T975] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 110.211491][ T975] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 110.211856][ T975] ___sys_sendmsg (net/socket.c:2670) [ 110.212211][ T975] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 110.212567][ T975] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 110.212935][ T975] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.213280][ T975] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 110.213640][ T975] ? __handle_mm_fault (mm/memory.c:6212) [ 110.213986][ T975] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 110.214369][ T975] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 110.214744][ T975] __sys_sendmsg (net/socket.c:2700) [ 110.215102][ T975] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 110.215458][ T975] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 110.215813][ T975] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 110.216177][ T975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 110.216559][ T975] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 110.216937][ T975] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 110.217379][ T975] RIP: 0033:0x7fe276e051e7 [ 110.217749][ T975] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 110.218978][ T975] RSP: 002b:00007ffe6c615b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.219513][ T975] RAX: ffffffffffffffda RBX: 00007ffe6c616240 RCX: 00007fe276e051e7 [ 110.220046][ T975] RDX: 0000000000000000 RSI: 00007ffe6c615b80 RDI: 0000000000000005 [ 110.220592][ T975] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 110.221138][ T975] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe6c616278 [ 110.221697][ T975] R13: 00000000686e0b63 R14: 0000000000499600 R15: 0000000000000000 | [ 110.380811][ T977] ------------[ cut here ]------------ | [ 110.381183][ T977] WARNING: CPU: 0 PID: 977 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 110.381968][ T977] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 110.383282][ T977] Tainted: [W]=WARN [ 110.383560][ T977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 110.384005][ T977] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 110.384398][ T977] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 110.385690][ T977] RSP: 0018:ffffc90000667080 EFLAGS: 00010246 [ 110.386155][ T977] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 110.386726][ T977] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 110.387267][ T977] RBP: ffffc90000667168 R08: 0000000000000000 R09: 0000000000000000 [ 110.387809][ T977] R10: ffffc90000667198 R11: ffffffff924a8918 R12: 1ffff920000cce14 [ 110.388346][ T977] R13: 00000000000005dc R14: ffffc90000667198 R15: ffff88800e26af08 [ 110.388890][ T977] FS: 00007f15d8090800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 110.389537][ T977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.390003][ T977] CR2: 00000000004a1738 CR3: 000000000c33a005 CR4: 0000000000772ef0 [ 110.390563][ T977] PKRU: 55555554 [ 110.390845][ T977] Call Trace: [ 110.391118][ T977] [ 110.391316][ T977] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 110.391696][ T977] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 110.392057][ T977] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 110.392522][ T977] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 110.392902][ T977] netif_set_mtu (net/core/dev.c:9652) [ 110.393279][ T977] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 110.393686][ T977] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 110.394206][ T977] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 110.394513][ T977] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 110.395020][ T977] br_add_if (net/bridge/br_if.c:697) bridge [ 110.395458][ T977] do_set_master (net/core/rtnetlink.c:2948) [ 110.395838][ T977] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 110.396205][ T977] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 110.396582][ T977] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 110.396939][ T977] ? __dev_get_by_name (net/core/dev.c:865) [ 110.397300][ T977] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.397687][ T977] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.398072][ T977] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 110.398453][ T977] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.398843][ T977] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 110.399228][ T977] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 110.399646][ T977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.400031][ T977] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 110.400383][ T977] ? __lock_release (kernel/locking/lockdep.c:5539) [ 110.400755][ T977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.401072][ T977] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 110.401399][ T977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.401731][ T977] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.402052][ T977] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 110.402378][ T977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.402712][ T977] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 110.403042][ T977] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 110.403359][ T977] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 110.403705][ T977] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 110.404031][ T977] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 110.404366][ T977] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.404715][ T977] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 110.405146][ T977] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 110.405595][ T977] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 110.406030][ T977] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 110.406487][ T977] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 110.406935][ T977] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 110.407478][ T977] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 110.407810][ T977] ___sys_sendmsg (net/socket.c:2670) [ 110.408201][ T977] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 110.408667][ T977] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 110.408984][ T977] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.409298][ T977] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 110.409650][ T977] ? __handle_mm_fault (mm/memory.c:6212) [ 110.410115][ T977] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 110.410473][ T977] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 110.410893][ T977] __sys_sendmsg (net/socket.c:2700) [ 110.411322][ T977] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 110.411787][ T977] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 110.412156][ T977] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 110.412563][ T977] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 110.412891][ T977] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 110.413285][ T977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 110.413725][ T977] RIP: 0033:0x7f15d825d1e7 [ 110.414064][ T977] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 110.415346][ T977] RSP: 002b:00007fff2bd9bda8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.415931][ T977] RAX: ffffffffffffffda RBX: 00007fff2bd9c4d0 RCX: 00007f15d825d1e7 [ 110.416502][ T977] RDX: 0000000000000000 RSI: 00007fff2bd9be10 RDI: 0000000000000005 [ 110.417187][ T977] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 110.417748][ T977] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff2bd9c508 [ 110.418230][ T977] R13: 00000000686e0b64 R14: 0000000000499600 R15: 0000000000000000 | [ 110.556942][ T979] ------------[ cut here ]------------ | [ 110.557280][ T979] WARNING: CPU: 3 PID: 979 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 110.558000][ T979] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 110.559224][ T979] Tainted: [W]=WARN [ 110.559495][ T979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 110.559910][ T979] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 110.560267][ T979] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 110.561494][ T979] RSP: 0018:ffffc90000677080 EFLAGS: 00010246 [ 110.561909][ T979] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 110.562417][ T979] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 110.562913][ T979] RBP: ffffc90000677168 R08: 0000000000000000 R09: 0000000000000000 [ 110.563436][ T979] R10: ffffc90000677198 R11: ffffffff924a8918 R12: 1ffff920000cee14 [ 110.563924][ T979] R13: 00000000000005dc R14: ffffc90000677198 R15: ffff88800e26af08 [ 110.564447][ T979] FS: 00007f6451454800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 110.565036][ T979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.565477][ T979] CR2: 00000000004a1738 CR3: 000000000ed29001 CR4: 0000000000772ef0 [ 110.565976][ T979] PKRU: 55555554 [ 110.566219][ T979] Call Trace: [ 110.566475][ T979] [ 110.566646][ T979] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 110.566991][ T979] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 110.567322][ T979] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 110.567743][ T979] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 110.568115][ T979] netif_set_mtu (net/core/dev.c:9652) [ 110.568468][ T979] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 110.568820][ T979] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 110.569312][ T979] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 110.569573][ T979] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 110.570034][ T979] br_add_if (net/bridge/br_if.c:697) bridge [ 110.570434][ T979] do_set_master (net/core/rtnetlink.c:2948) [ 110.570790][ T979] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 110.571133][ T979] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 110.571487][ T979] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 110.571832][ T979] ? __dev_get_by_name (net/core/dev.c:865) [ 110.572164][ T979] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.572535][ T979] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.572886][ T979] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 110.573211][ T979] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.573566][ T979] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 110.573905][ T979] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 110.574268][ T979] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.574620][ T979] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 110.574956][ T979] ? __lock_release (kernel/locking/lockdep.c:5539) [ 110.575307][ T979] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.575647][ T979] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 110.575992][ T979] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.576335][ T979] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.576689][ T979] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 110.577055][ T979] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.577403][ T979] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 110.577765][ T979] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 110.578101][ T979] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 110.578446][ T979] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 110.578777][ T979] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 110.579132][ T979] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.579477][ T979] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 110.579817][ T979] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 110.580164][ T979] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 110.580547][ T979] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 110.580887][ T979] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 110.581227][ T979] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 110.581659][ T979] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 110.582028][ T979] ___sys_sendmsg (net/socket.c:2670) [ 110.582368][ T979] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 110.582707][ T979] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 110.583047][ T979] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.583407][ T979] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 110.583742][ T979] ? __handle_mm_fault (mm/memory.c:6212) [ 110.584097][ T979] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 110.584447][ T979] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 110.584819][ T979] __sys_sendmsg (net/socket.c:2700) [ 110.585153][ T979] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 110.585529][ T979] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 110.585874][ T979] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 110.586220][ T979] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 110.586565][ T979] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 110.586888][ T979] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 110.587307][ T979] RIP: 0033:0x7f64516211e7 [ 110.587674][ T979] Code: Unable to access opcode bytes at 0x7f64516211bd. Code starting with the faulting instruction =========================================== [ 110.588128][ T979] RSP: 002b:00007ffe6b417a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.588659][ T979] RAX: ffffffffffffffda RBX: 00007ffe6b4181c0 RCX: 00007f64516211e7 [ 110.589154][ T979] RDX: 0000000000000000 RSI: 00007ffe6b417b00 RDI: 0000000000000005 [ 110.589667][ T979] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 110.590201][ T979] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe6b4181f8 [ 110.590730][ T979] R13: 00000000686e0b64 R14: 0000000000499600 R15: 0000000000000000 | [ 110.751175][ T981] ------------[ cut here ]------------ | [ 110.751878][ T981] WARNING: CPU: 0 PID: 981 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 110.753047][ T981] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 110.755044][ T981] Tainted: [W]=WARN [ 110.755511][ T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 110.756212][ T981] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 110.756817][ T981] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 110.759037][ T981] RSP: 0018:ffffc90000637080 EFLAGS: 00010246 [ 110.759770][ T981] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 110.760674][ T981] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 110.761535][ T981] RBP: ffffc90000637168 R08: 0000000000000000 R09: 0000000000000000 [ 110.762368][ T981] R10: ffffc90000637198 R11: ffffffff924a8918 R12: 1ffff920000c6e14 [ 110.763282][ T981] R13: 00000000000005dc R14: ffffc90000637198 R15: ffff88800e26af08 [ 110.764189][ T981] FS: 00007f2b03eca800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 110.765213][ T981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.765936][ T981] CR2: 0000562c803edac8 CR3: 000000000939d004 CR4: 0000000000772ef0 [ 110.766826][ T981] PKRU: 55555554 [ 110.767227][ T981] Call Trace: [ 110.767675][ T981] [ 110.767932][ T981] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 110.768524][ T981] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 110.769116][ T981] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 110.769850][ T981] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 110.770466][ T981] netif_set_mtu (net/core/dev.c:9652) [ 110.771043][ T981] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 110.771663][ T981] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 110.772489][ T981] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 110.772951][ T981] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 110.773778][ T981] br_add_if (net/bridge/br_if.c:697) bridge [ 110.774495][ T981] do_set_master (net/core/rtnetlink.c:2948) [ 110.775091][ T981] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 110.775702][ T981] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 110.776271][ T981] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 110.776771][ T981] ? __dev_get_by_name (net/core/dev.c:865) [ 110.777193][ T981] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.777755][ T981] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.778170][ T981] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 110.778603][ T981] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.778974][ T981] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 110.779335][ T981] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 110.779928][ T981] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.780495][ T981] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 110.780898][ T981] ? __lock_release (kernel/locking/lockdep.c:5539) [ 110.781306][ T981] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.781757][ T981] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 110.782137][ T981] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.782588][ T981] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.783135][ T981] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 110.783508][ T981] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.783857][ T981] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 110.784261][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 110.784677][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 110.785018][ T981] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 110.785376][ T981] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 110.785743][ T981] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.786186][ T981] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 110.786590][ T981] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 110.787012][ T981] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 110.787471][ T981] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 110.788080][ T981] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 110.788568][ T981] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 110.789088][ T981] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 110.789474][ T981] ___sys_sendmsg (net/socket.c:2670) [ 110.789897][ T981] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 110.790332][ T981] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 110.790799][ T981] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.791227][ T981] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 110.791673][ T981] ? __handle_mm_fault (mm/memory.c:6212) [ 110.792032][ T981] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 110.792408][ T981] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 110.792885][ T981] __sys_sendmsg (net/socket.c:2700) [ 110.793229][ T981] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 110.793591][ T981] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 110.793946][ T981] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 110.794299][ T981] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 110.794668][ T981] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 110.795013][ T981] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 110.795700][ T981] RIP: 0033:0x7f2b040971e7 [ 110.796114][ T981] Code: Unable to access opcode bytes at 0x7f2b040971bd. Code starting with the faulting instruction =========================================== [ 110.796588][ T981] RSP: 002b:00007ffcc9681ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.797111][ T981] RAX: ffffffffffffffda RBX: 00007ffcc96823d0 RCX: 00007f2b040971e7 [ 110.797653][ T981] RDX: 0000000000000000 RSI: 00007ffcc9681d10 RDI: 0000000000000005 [ 110.798171][ T981] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 110.799020][ T981] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc9682408 [ 110.799667][ T981] R13: 00000000686e0b64 R14: 0000000000499600 R15: 0000000000000000 | [ 111.010791][ T984] ------------[ cut here ]------------ | [ 111.011143][ T984] WARNING: CPU: 2 PID: 984 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 111.011954][ T984] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 111.013213][ T984] Tainted: [W]=WARN [ 111.013495][ T984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.013927][ T984] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 111.014297][ T984] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 111.015494][ T984] RSP: 0018:ffffc90000637080 EFLAGS: 00010246 [ 111.015947][ T984] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 111.016484][ T984] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 111.017049][ T984] RBP: ffffc90000637168 R08: 0000000000000000 R09: 0000000000000000 [ 111.017584][ T984] R10: ffffc90000637198 R11: ffffffff924a8918 R12: 1ffff920000c6e14 [ 111.018119][ T984] R13: 00000000000005dc R14: ffffc90000637198 R15: ffff88800e26af08 [ 111.018662][ T984] FS: 00007fdac604d800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 111.019282][ T984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.019740][ T984] CR2: 00000000004a1738 CR3: 000000000939d004 CR4: 0000000000772ef0 [ 111.020271][ T984] PKRU: 55555554 [ 111.020561][ T984] Call Trace: [ 111.020855][ T984] [ 111.021050][ T984] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 111.021427][ T984] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 111.021798][ T984] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 111.022244][ T984] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 111.022618][ T984] netif_set_mtu (net/core/dev.c:9652) [ 111.022980][ T984] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 111.023356][ T984] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 111.023863][ T984] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 111.024140][ T984] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 111.024701][ T984] br_add_if (net/bridge/br_if.c:697) bridge [ 111.025257][ T984] do_set_master (net/core/rtnetlink.c:2948) [ 111.025811][ T984] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 111.026337][ T984] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 111.026803][ T984] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 111.027178][ T984] ? __dev_get_by_name (net/core/dev.c:865) [ 111.027660][ T984] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.028038][ T984] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.028592][ T984] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 111.029021][ T984] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.029615][ T984] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 111.030228][ T984] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 111.030852][ T984] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.031501][ T984] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 111.032106][ T984] ? __lock_release (kernel/locking/lockdep.c:5539) [ 111.032732][ T984] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.033312][ T984] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 111.033936][ T984] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.034559][ T984] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.035155][ T984] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 111.035759][ T984] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.036336][ T984] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 111.036980][ T984] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 111.037591][ T984] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 111.038199][ T984] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 111.038785][ T984] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 111.039307][ T984] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.039807][ T984] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 111.040183][ T984] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 111.040561][ T984] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 111.040916][ T984] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 111.041267][ T984] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 111.041622][ T984] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 111.042050][ T984] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 111.042424][ T984] ___sys_sendmsg (net/socket.c:2670) [ 111.042776][ T984] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 111.043126][ T984] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 111.043495][ T984] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.043839][ T984] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 111.044199][ T984] ? __handle_mm_fault (mm/memory.c:6212) [ 111.044574][ T984] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 111.044930][ T984] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 111.045316][ T984] __sys_sendmsg (net/socket.c:2700) [ 111.045672][ T984] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 111.046025][ T984] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 111.046399][ T984] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 111.046752][ T984] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 111.047094][ T984] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 111.047462][ T984] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 111.047894][ T984] RIP: 0033:0x7fdac621a1e7 [ 111.048260][ T984] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 111.049493][ T984] RSP: 002b:00007fff9da7e798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.050010][ T984] RAX: ffffffffffffffda RBX: 00007fff9da7eec0 RCX: 00007fdac621a1e7 [ 111.050538][ T984] RDX: 0000000000000000 RSI: 00007fff9da7e800 RDI: 0000000000000005 [ 111.051047][ T984] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 111.051580][ T984] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff9da7eef8 [ 111.052098][ T984] R13: 00000000686e0b64 R14: 0000000000499600 R15: 0000000000000000 | [ 111.220328][ T985] ------------[ cut here ]------------ | [ 111.220727][ T985] WARNING: CPU: 3 PID: 985 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 111.221400][ T985] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 111.222614][ T985] Tainted: [W]=WARN [ 111.222869][ T985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.223285][ T985] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 111.223644][ T985] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 111.224852][ T985] RSP: 0018:ffffc90000637080 EFLAGS: 00010246 [ 111.225272][ T985] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 111.225783][ T985] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 111.226286][ T985] RBP: ffffc90000637168 R08: 0000000000000000 R09: 0000000000000000 [ 111.226794][ T985] R10: ffffc90000637198 R11: ffffffff924a8918 R12: 1ffff920000c6e14 [ 111.227303][ T985] R13: 00000000000005dc R14: ffffc90000637198 R15: ffff88800e26af08 [ 111.227811][ T985] FS: 00007f2d26bbb800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 111.228400][ T985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.228819][ T985] CR2: 00000000004a1738 CR3: 000000000f1cd005 CR4: 0000000000772ef0 [ 111.229325][ T985] PKRU: 55555554 [ 111.229579][ T985] Call Trace: [ 111.229829][ T985] [ 111.230001][ T985] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 111.230335][ T985] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 111.230673][ T985] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 111.231085][ T985] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 111.231429][ T985] netif_set_mtu (net/core/dev.c:9652) [ 111.231766][ T985] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 111.232113][ T985] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 111.232583][ T985] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 111.232836][ T985] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 111.233292][ T985] br_add_if (net/bridge/br_if.c:697) bridge [ 111.233681][ T985] do_set_master (net/core/rtnetlink.c:2948) [ 111.234011][ T985] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 111.234355][ T985] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 111.234726][ T985] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 111.235044][ T985] ? __dev_get_by_name (net/core/dev.c:865) [ 111.235356][ T985] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.235678][ T985] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.236007][ T985] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 111.236320][ T985] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.236648][ T985] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 111.236973][ T985] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 111.237295][ T985] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.237628][ T985] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 111.237946][ T985] ? __lock_release (kernel/locking/lockdep.c:5539) [ 111.238267][ T985] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.238589][ T985] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 111.238907][ T985] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.239223][ T985] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.239554][ T985] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 111.239876][ T985] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.240194][ T985] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 111.240529][ T985] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 111.240844][ T985] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 111.241162][ T985] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 111.241491][ T985] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 111.241806][ T985] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.242129][ T985] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 111.242460][ T985] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 111.242778][ T985] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 111.243104][ T985] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 111.243438][ T985] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 111.243772][ T985] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 111.244169][ T985] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 111.244508][ T985] ___sys_sendmsg (net/socket.c:2670) [ 111.244827][ T985] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 111.245146][ T985] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 111.245473][ T985] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.245786][ T985] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 111.246113][ T985] ? __handle_mm_fault (mm/memory.c:6212) [ 111.246436][ T985] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 111.246796][ T985] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 111.247145][ T985] __sys_sendmsg (net/socket.c:2700) [ 111.247489][ T985] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 111.247818][ T985] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 111.248159][ T985] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 111.248513][ T985] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 111.248852][ T985] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 111.249186][ T985] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 111.249607][ T985] RIP: 0033:0x7f2d26d881e7 [ 111.249956][ T985] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 111.251154][ T985] RSP: 002b:00007ffe3dc0fa38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.251669][ T985] RAX: ffffffffffffffda RBX: 00007ffe3dc10160 RCX: 00007f2d26d881e7 [ 111.252166][ T985] RDX: 0000000000000000 RSI: 00007ffe3dc0faa0 RDI: 0000000000000005 [ 111.252670][ T985] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 111.253174][ T985] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe3dc10198 [ 111.253673][ T985] R13: 00000000686e0b64 R14: 0000000000499600 R15: 0000000000000000 | [ 111.418991][ T988] ------------[ cut here ]------------ | [ 111.419312][ T988] WARNING: CPU: 0 PID: 988 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 111.419997][ T988] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 111.421147][ T988] Tainted: [W]=WARN [ 111.421387][ T988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.421790][ T988] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 111.422116][ T988] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 111.423265][ T988] RSP: 0018:ffffc900005d7080 EFLAGS: 00010246 [ 111.423672][ T988] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 111.424144][ T988] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 111.424666][ T988] RBP: ffffc900005d7168 R08: 0000000000000000 R09: 0000000000000000 [ 111.425147][ T988] R10: ffffc900005d7198 R11: ffffffff924a8918 R12: 1ffff920000bae14 [ 111.425631][ T988] R13: 00000000000005dc R14: ffffc900005d7198 R15: ffff88800e26af08 [ 111.426124][ T988] FS: 00007fa9214cc800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 111.426687][ T988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.427095][ T988] CR2: 00000000004a1738 CR3: 000000000c22e005 CR4: 0000000000772ef0 [ 111.427579][ T988] PKRU: 55555554 [ 111.427818][ T988] Call Trace: [ 111.428052][ T988] [ 111.428215][ T988] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 111.428545][ T988] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 111.428863][ T988] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 111.429253][ T988] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 111.429584][ T988] netif_set_mtu (net/core/dev.c:9652) [ 111.429907][ T988] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 111.430236][ T988] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 111.430689][ T988] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 111.430929][ T988] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 111.431357][ T988] br_add_if (net/bridge/br_if.c:697) bridge [ 111.431723][ T988] do_set_master (net/core/rtnetlink.c:2948) [ 111.432037][ T988] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 111.432355][ T988] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 111.432688][ T988] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 111.432999][ T988] ? __dev_get_by_name (net/core/dev.c:865) [ 111.433315][ T988] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.433638][ T988] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.433960][ T988] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 111.434284][ T988] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.434650][ T988] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 111.434976][ T988] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 111.435330][ T988] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.435668][ T988] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 111.435984][ T988] ? __lock_release (kernel/locking/lockdep.c:5539) [ 111.436298][ T988] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.436622][ T988] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 111.436939][ T988] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.437259][ T988] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.437585][ T988] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 111.437910][ T988] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.438225][ T988] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 111.438558][ T988] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 111.438876][ T988] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 111.439189][ T988] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 111.439518][ T988] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 111.439842][ T988] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.440170][ T988] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 111.440507][ T988] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 111.440839][ T988] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 111.441165][ T988] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 111.441493][ T988] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 111.441810][ T988] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 111.442216][ T988] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 111.442555][ T988] ___sys_sendmsg (net/socket.c:2670) [ 111.442875][ T988] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 111.443190][ T988] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 111.443517][ T988] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.443831][ T988] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 111.444156][ T988] ? __handle_mm_fault (mm/memory.c:6212) [ 111.444501][ T988] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 111.444817][ T988] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 111.445160][ T988] __sys_sendmsg (net/socket.c:2700) [ 111.445488][ T988] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 111.445804][ T988] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 111.446127][ T988] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 111.446459][ T988] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 111.446779][ T988] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 111.447097][ T988] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 111.447493][ T988] RIP: 0033:0x7fa9216991e7 [ 111.447823][ T988] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 111.448965][ T988] RSP: 002b:00007ffed8987b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.449452][ T988] RAX: ffffffffffffffda RBX: 00007ffed8988250 RCX: 00007fa9216991e7 [ 111.449928][ T988] RDX: 0000000000000000 RSI: 00007ffed8987b90 RDI: 0000000000000005 [ 111.450409][ T988] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 111.450887][ T988] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffed8988288 [ 111.451358][ T988] R13: 00000000686e0b65 R14: 0000000000499600 R15: 0000000000000000 | [ 111.599161][ T989] ------------[ cut here ]------------ | [ 111.599549][ T989] WARNING: CPU: 0 PID: 989 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 111.600176][ T989] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 111.601327][ T989] Tainted: [W]=WARN [ 111.601576][ T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.601992][ T989] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 111.602332][ T989] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 111.603473][ T989] RSP: 0018:ffffc900005c7080 EFLAGS: 00010246 [ 111.603877][ T989] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 111.604369][ T989] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 111.604861][ T989] RBP: ffffc900005c7168 R08: 0000000000000000 R09: 0000000000000000 [ 111.605334][ T989] R10: ffffc900005c7198 R11: ffffffff924a8918 R12: 1ffff920000b8e14 [ 111.605820][ T989] R13: 00000000000005dc R14: ffffc900005c7198 R15: ffff88800e26af08 [ 111.606303][ T989] FS: 00007f2c1c5c7800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 111.606885][ T989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.607290][ T989] CR2: 00007f966990f840 CR3: 000000000f153002 CR4: 0000000000772ef0 [ 111.607782][ T989] PKRU: 55555554 [ 111.608026][ T989] Call Trace: [ 111.608262][ T989] [ 111.608435][ T989] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 111.608763][ T989] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 111.609082][ T989] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 111.609488][ T989] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 111.609822][ T989] netif_set_mtu (net/core/dev.c:9652) [ 111.610155][ T989] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 111.610510][ T989] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 111.610962][ T989] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 111.611208][ T989] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 111.611655][ T989] br_add_if (net/bridge/br_if.c:697) bridge [ 111.612023][ T989] do_set_master (net/core/rtnetlink.c:2948) [ 111.612349][ T989] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 111.612689][ T989] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 111.613022][ T989] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 111.613338][ T989] ? __dev_get_by_name (net/core/dev.c:865) [ 111.613668][ T989] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.613985][ T989] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.614324][ T989] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 111.614654][ T989] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.614979][ T989] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 111.615311][ T989] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 111.615641][ T989] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.615978][ T989] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 111.616293][ T989] ? __lock_release (kernel/locking/lockdep.c:5539) [ 111.616616][ T989] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.616939][ T989] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 111.617258][ T989] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.617592][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.617929][ T989] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 111.618248][ T989] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.618571][ T989] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 111.618903][ T989] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 111.619219][ T989] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 111.619541][ T989] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 111.619863][ T989] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 111.620181][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.620511][ T989] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 111.620838][ T989] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 111.621155][ T989] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 111.621487][ T989] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 111.621809][ T989] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 111.622132][ T989] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 111.622540][ T989] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 111.622864][ T989] ___sys_sendmsg (net/socket.c:2670) [ 111.623177][ T989] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 111.623501][ T989] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 111.623831][ T989] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.624147][ T989] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 111.624494][ T989] ? __handle_mm_fault (mm/memory.c:6212) [ 111.624812][ T989] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 111.625128][ T989] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 111.625471][ T989] __sys_sendmsg (net/socket.c:2700) [ 111.625794][ T989] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 111.626119][ T989] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 111.626461][ T989] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 111.626783][ T989] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 111.627105][ T989] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 111.627431][ T989] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 111.627835][ T989] RIP: 0033:0x7f2c1c7941e7 [ 111.628174][ T989] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 111.629323][ T989] RSP: 002b:00007fff89507238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.629816][ T989] RAX: ffffffffffffffda RBX: 00007fff89507960 RCX: 00007f2c1c7941e7 [ 111.630297][ T989] RDX: 0000000000000000 RSI: 00007fff895072a0 RDI: 0000000000000005 [ 111.630795][ T989] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 111.631269][ T989] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff89507998 [ 111.631762][ T989] R13: 00000000686e0b65 R14: 0000000000499600 R15: 0000000000000000 | [ 111.784206][ T991] ------------[ cut here ]------------ | [ 111.784641][ T991] WARNING: CPU: 2 PID: 991 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 111.785283][ T991] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 111.786476][ T991] Tainted: [W]=WARN [ 111.786735][ T991] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.787145][ T991] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 111.787501][ T991] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 111.788669][ T991] RSP: 0018:ffffc90000557080 EFLAGS: 00010246 [ 111.789092][ T991] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 111.789592][ T991] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 111.790095][ T991] RBP: ffffc90000557168 R08: 0000000000000000 R09: 0000000000000000 [ 111.790596][ T991] R10: ffffc90000557198 R11: ffffffff924a8918 R12: 1ffff920000aae14 [ 111.791090][ T991] R13: 00000000000005dc R14: ffffc90000557198 R15: ffff88800e26af08 [ 111.791589][ T991] FS: 00007f759cb7c800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 111.792154][ T991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.792573][ T991] CR2: 00000000004a1738 CR3: 000000000e327002 CR4: 0000000000772ef0 [ 111.793069][ T991] PKRU: 55555554 [ 111.793316][ T991] Call Trace: [ 111.793575][ T991] [ 111.793754][ T991] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 111.794096][ T991] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 111.794452][ T991] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 111.794868][ T991] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 111.795204][ T991] netif_set_mtu (net/core/dev.c:9652) [ 111.795544][ T991] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 111.795901][ T991] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 111.796375][ T991] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 111.796641][ T991] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 111.797091][ T991] br_add_if (net/bridge/br_if.c:697) bridge [ 111.797513][ T991] do_set_master (net/core/rtnetlink.c:2948) [ 111.797850][ T991] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 111.798183][ T991] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 111.798541][ T991] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 111.798887][ T991] ? __dev_get_by_name (net/core/dev.c:865) [ 111.799233][ T991] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.799572][ T991] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.799927][ T991] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 111.800266][ T991] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.800619][ T991] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 111.800966][ T991] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 111.801321][ T991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.801681][ T991] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 111.802029][ T991] ? __lock_release (kernel/locking/lockdep.c:5539) [ 111.802366][ T991] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.802716][ T991] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 111.803051][ T991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.803401][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.803749][ T991] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 111.804091][ T991] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.804469][ T991] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 111.804849][ T991] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 111.805178][ T991] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 111.805523][ T991] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 111.805865][ T991] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 111.806204][ T991] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.806548][ T991] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 111.806904][ T991] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 111.807242][ T991] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 111.807602][ T991] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 111.807940][ T991] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 111.808279][ T991] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 111.808704][ T991] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 111.809061][ T991] ___sys_sendmsg (net/socket.c:2670) [ 111.809413][ T991] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 111.809755][ T991] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 111.810108][ T991] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.810446][ T991] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 111.810779][ T991] ? __handle_mm_fault (mm/memory.c:6212) [ 111.811114][ T991] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 111.811455][ T991] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 111.811810][ T991] __sys_sendmsg (net/socket.c:2700) [ 111.812145][ T991] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 111.812486][ T991] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 111.812827][ T991] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 111.813170][ T991] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 111.813517][ T991] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 111.813851][ T991] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 111.814291][ T991] RIP: 0033:0x7f759cd491e7 [ 111.814641][ T991] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 111.815808][ T991] RSP: 002b:00007ffd4c1bf7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.816310][ T991] RAX: ffffffffffffffda RBX: 00007ffd4c1bfed0 RCX: 00007f759cd491e7 [ 111.816816][ T991] RDX: 0000000000000000 RSI: 00007ffd4c1bf810 RDI: 0000000000000005 [ 111.817315][ T991] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 111.817814][ T991] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd4c1bff08 [ 111.818310][ T991] R13: 00000000686e0b65 R14: 0000000000499600 R15: 0000000000000000 | [ 111.965549][ T994] ------------[ cut here ]------------ | [ 111.965885][ T994] WARNING: CPU: 3 PID: 994 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 111.966624][ T994] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 111.967818][ T994] Tainted: [W]=WARN [ 111.968073][ T994] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.968497][ T994] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 111.968836][ T994] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 111.970022][ T994] RSP: 0018:ffffc90000687080 EFLAGS: 00010246 [ 111.970453][ T994] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 111.970955][ T994] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 111.971456][ T994] RBP: ffffc90000687168 R08: 0000000000000000 R09: 0000000000000000 [ 111.971952][ T994] R10: ffffc90000687198 R11: ffffffff924a8918 R12: 1ffff920000d0e14 [ 111.972461][ T994] R13: 00000000000005dc R14: ffffc90000687198 R15: ffff88800e26af08 [ 111.972954][ T994] FS: 00007f7a17119800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 111.973540][ T994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.973963][ T994] CR2: 00007f9669628ba0 CR3: 000000000bd2d001 CR4: 0000000000772ef0 [ 111.974485][ T994] PKRU: 55555554 [ 111.974732][ T994] Call Trace: [ 111.974976][ T994] [ 111.975148][ T994] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 111.975492][ T994] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 111.975825][ T994] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 111.976279][ T994] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 111.976630][ T994] netif_set_mtu (net/core/dev.c:9652) [ 111.976964][ T994] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 111.977311][ T994] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 111.977784][ T994] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 111.978039][ T994] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 111.978509][ T994] br_add_if (net/bridge/br_if.c:697) bridge [ 111.978890][ T994] do_set_master (net/core/rtnetlink.c:2948) [ 111.979224][ T994] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 111.979568][ T994] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 111.979902][ T994] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 111.980237][ T994] ? __dev_get_by_name (net/core/dev.c:865) [ 111.980576][ T994] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.980911][ T994] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.981253][ T994] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 111.981591][ T994] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.981929][ T994] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 111.982275][ T994] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 111.982621][ T994] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.983000][ T994] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 111.983338][ T994] ? __lock_release (kernel/locking/lockdep.c:5539) [ 111.983699][ T994] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.984036][ T994] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 111.984400][ T994] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.984759][ T994] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.985098][ T994] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 111.985438][ T994] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.985771][ T994] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 111.986114][ T994] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 111.986449][ T994] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 111.986786][ T994] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 111.987131][ T994] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 111.987470][ T994] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.987807][ T994] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 111.988148][ T994] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 111.988489][ T994] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 111.988835][ T994] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 111.989174][ T994] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 111.989517][ T994] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 111.989936][ T994] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 111.990275][ T994] ___sys_sendmsg (net/socket.c:2670) [ 111.990615][ T994] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 111.990946][ T994] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 111.991281][ T994] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.991623][ T994] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 111.991966][ T994] ? __handle_mm_fault (mm/memory.c:6212) [ 111.992301][ T994] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 111.992642][ T994] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 111.992995][ T994] __sys_sendmsg (net/socket.c:2700) [ 111.993329][ T994] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 111.993670][ T994] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 111.994019][ T994] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 111.994371][ T994] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 111.994714][ T994] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 111.995052][ T994] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 111.995476][ T994] RIP: 0033:0x7f7a172e61e7 [ 111.995820][ T994] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 111.997015][ T994] RSP: 002b:00007fffb8931628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.997524][ T994] RAX: ffffffffffffffda RBX: 00007fffb8931d50 RCX: 00007f7a172e61e7 [ 111.998031][ T994] RDX: 0000000000000000 RSI: 00007fffb8931690 RDI: 0000000000000005 [ 111.998554][ T994] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 111.999061][ T994] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb8931d88 [ 111.999580][ T994] R13: 00000000686e0b65 R14: 0000000000499600 R15: 0000000000000000 | [ 112.156890][ T995] ------------[ cut here ]------------ | [ 112.157229][ T995] WARNING: CPU: 0 PID: 995 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 112.158013][ T995] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 112.159178][ T995] Tainted: [W]=WARN [ 112.159426][ T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.159823][ T995] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 112.160150][ T995] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 112.161285][ T995] RSP: 0000:ffffc90000687080 EFLAGS: 00010246 [ 112.161694][ T995] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 112.162173][ T995] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 112.162650][ T995] RBP: ffffc90000687168 R08: 0000000000000000 R09: 0000000000000000 [ 112.163126][ T995] R10: ffffc90000687198 R11: ffffffff924a8918 R12: 1ffff920000d0e14 [ 112.163607][ T995] R13: 00000000000005dc R14: ffffc90000687198 R15: ffff88800e26af08 [ 112.164079][ T995] FS: 00007fdc8dd18800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 112.164652][ T995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.165059][ T995] CR2: 00007f96699ed5a0 CR3: 00000000091ae003 CR4: 0000000000772ef0 [ 112.165543][ T995] PKRU: 55555554 [ 112.165783][ T995] Call Trace: [ 112.166019][ T995] [ 112.166183][ T995] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 112.166515][ T995] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 112.166838][ T995] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 112.167250][ T995] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 112.167588][ T995] netif_set_mtu (net/core/dev.c:9652) [ 112.167907][ T995] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 112.168268][ T995] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 112.168719][ T995] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 112.168962][ T995] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 112.169412][ T995] br_add_if (net/bridge/br_if.c:697) bridge [ 112.169774][ T995] do_set_master (net/core/rtnetlink.c:2948) [ 112.170092][ T995] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 112.170420][ T995] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 112.170742][ T995] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 112.171053][ T995] ? __dev_get_by_name (net/core/dev.c:865) [ 112.171387][ T995] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.171730][ T995] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.172053][ T995] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 112.172366][ T995] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.172696][ T995] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 112.173023][ T995] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 112.173343][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.173676][ T995] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 112.173995][ T995] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.174327][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.174685][ T995] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 112.175005][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.175329][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.175659][ T995] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 112.175973][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.176290][ T995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 112.176628][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 112.176943][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 112.177261][ T995] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 112.177589][ T995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 112.177902][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.178223][ T995] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.178551][ T995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 112.178870][ T995] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 112.179195][ T995] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.179533][ T995] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 112.179847][ T995] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 112.180245][ T995] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 112.180570][ T995] ___sys_sendmsg (net/socket.c:2670) [ 112.180888][ T995] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 112.181200][ T995] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 112.181530][ T995] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.181849][ T995] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 112.182167][ T995] ? __handle_mm_fault (mm/memory.c:6212) [ 112.182509][ T995] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 112.182844][ T995] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 112.183178][ T995] __sys_sendmsg (net/socket.c:2700) [ 112.183504][ T995] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 112.184082][ T995] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 112.184439][ T995] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 112.184761][ T995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.185083][ T995] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 112.185449][ T995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.185840][ T995] RIP: 0033:0x7fdc8dee51e7 [ 112.186176][ T995] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 112.187572][ T995] RSP: 002b:00007fff41c3c2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.188052][ T995] RAX: ffffffffffffffda RBX: 00007fff41c3ca20 RCX: 00007fdc8dee51e7 [ 112.188531][ T995] RDX: 0000000000000000 RSI: 00007fff41c3c360 RDI: 0000000000000005 [ 112.189013][ T995] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 112.189730][ T995] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff41c3ca58 [ 112.190206][ T995] R13: 00000000686e0b65 R14: 0000000000499600 R15: 0000000000000000 | [ 112.380062][ T997] ------------[ cut here ]------------ | [ 112.380377][ T997] WARNING: CPU: 0 PID: 997 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 112.381092][ T997] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 112.382354][ T997] Tainted: [W]=WARN [ 112.382608][ T997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.383015][ T997] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 112.383352][ T997] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 112.384512][ T997] RSP: 0018:ffffc900019d7080 EFLAGS: 00010246 [ 112.384910][ T997] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 112.385381][ T997] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 112.385864][ T997] RBP: ffffc900019d7168 R08: 0000000000000000 R09: 0000000000000000 [ 112.386349][ T997] R10: ffffc900019d7198 R11: ffffffff924a8918 R12: 1ffff9200033ae14 [ 112.386835][ T997] R13: 00000000000005dc R14: ffffc900019d7198 R15: ffff88800e26af08 [ 112.387316][ T997] FS: 00007f9dcdca4800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 112.387880][ T997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.388279][ T997] CR2: 0000562c803e3110 CR3: 0000000009a9e002 CR4: 0000000000772ef0 [ 112.388766][ T997] PKRU: 55555554 [ 112.389006][ T997] Call Trace: [ 112.389242][ T997] [ 112.389413][ T997] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 112.389744][ T997] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 112.390063][ T997] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 112.390478][ T997] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 112.390829][ T997] netif_set_mtu (net/core/dev.c:9652) [ 112.391151][ T997] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 112.391487][ T997] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 112.391931][ T997] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 112.392173][ T997] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 112.392611][ T997] br_add_if (net/bridge/br_if.c:697) bridge [ 112.392973][ T997] do_set_master (net/core/rtnetlink.c:2948) [ 112.393289][ T997] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 112.393616][ T997] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 112.393935][ T997] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 112.394260][ T997] ? __dev_get_by_name (net/core/dev.c:865) [ 112.394584][ T997] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.394903][ T997] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.395227][ T997] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 112.395546][ T997] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.395868][ T997] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 112.396196][ T997] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 112.396524][ T997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.396852][ T997] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 112.397164][ T997] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.397490][ T997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.397805][ T997] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 112.398123][ T997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.398453][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.398773][ T997] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 112.399096][ T997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.399420][ T997] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 112.399748][ T997] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 112.400063][ T997] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 112.400402][ T997] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 112.400723][ T997] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 112.401038][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.401360][ T997] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.401689][ T997] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 112.402005][ T997] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 112.402328][ T997] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.402655][ T997] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 112.402970][ T997] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 112.403367][ T997] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 112.403693][ T997] ___sys_sendmsg (net/socket.c:2670) [ 112.404011][ T997] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 112.404331][ T997] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 112.404657][ T997] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.405004][ T997] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 112.405325][ T997] ? __handle_mm_fault (mm/memory.c:6212) [ 112.405670][ T997] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 112.405986][ T997] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 112.406319][ T997] __sys_sendmsg (net/socket.c:2700) [ 112.406643][ T997] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 112.406962][ T997] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 112.407288][ T997] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 112.407618][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.407943][ T997] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 112.408265][ T997] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.408666][ T997] RIP: 0033:0x7f9dcde711e7 [ 112.408992][ T997] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 112.410124][ T997] RSP: 002b:00007ffd77afed18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.410618][ T997] RAX: ffffffffffffffda RBX: 00007ffd77aff440 RCX: 00007f9dcde711e7 [ 112.411094][ T997] RDX: 0000000000000000 RSI: 00007ffd77afed80 RDI: 0000000000000005 [ 112.411574][ T997] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 112.412047][ T997] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd77aff478 [ 112.412527][ T997] R13: 00000000686e0b66 R14: 0000000000499600 R15: 0000000000000000 | [ 112.564939][ T999] ------------[ cut here ]------------ | [ 112.565291][ T999] WARNING: CPU: 2 PID: 999 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 112.566038][ T999] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 112.567243][ T999] Tainted: [W]=WARN [ 112.567510][ T999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.567940][ T999] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 112.568282][ T999] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 112.569466][ T999] RSP: 0018:ffffc90000537080 EFLAGS: 00010246 [ 112.569886][ T999] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 112.570405][ T999] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 112.570907][ T999] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000 [ 112.571435][ T999] R10: ffffc90000537198 R11: ffffffff924a8918 R12: 1ffff920000a6e14 [ 112.571933][ T999] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800e26af08 [ 112.572462][ T999] FS: 00007fd4a3199800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 112.573052][ T999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.573483][ T999] CR2: 00000000004a1738 CR3: 000000000f3ee003 CR4: 0000000000772ef0 [ 112.573984][ T999] PKRU: 55555554 [ 112.574261][ T999] Call Trace: [ 112.574551][ T999] [ 112.574745][ T999] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 112.575104][ T999] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 112.575481][ T999] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 112.575926][ T999] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 112.576265][ T999] netif_set_mtu (net/core/dev.c:9652) [ 112.576636][ T999] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 112.577005][ T999] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 112.577498][ T999] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 112.577766][ T999] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 112.578240][ T999] br_add_if (net/bridge/br_if.c:697) bridge [ 112.578637][ T999] do_set_master (net/core/rtnetlink.c:2948) [ 112.578969][ T999] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 112.579303][ T999] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 112.579643][ T999] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 112.579971][ T999] ? __dev_get_by_name (net/core/dev.c:865) [ 112.580323][ T999] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.580679][ T999] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.581033][ T999] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 112.581375][ T999] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.581886][ T999] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 112.582400][ T999] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 112.582764][ T999] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.583130][ T999] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 112.583489][ T999] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.583853][ T999] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.584231][ T999] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 112.584596][ T999] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.584945][ T999] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.585299][ T999] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 112.585640][ T999] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.585969][ T999] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 112.586338][ T999] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 112.586702][ T999] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 112.587050][ T999] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 112.587419][ T999] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 112.587762][ T999] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.588118][ T999] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.588608][ T999] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 112.588970][ T999] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 112.589329][ T999] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.589693][ T999] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 112.590037][ T999] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 112.590467][ T999] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 112.590808][ T999] ___sys_sendmsg (net/socket.c:2670) [ 112.591135][ T999] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 112.591500][ T999] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 112.591846][ T999] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.592192][ T999] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 112.592577][ T999] ? __handle_mm_fault (mm/memory.c:6212) [ 112.592928][ T999] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 112.593255][ T999] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 112.593618][ T999] __sys_sendmsg (net/socket.c:2700) [ 112.593957][ T999] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 112.594313][ T999] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 112.594665][ T999] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 112.595008][ T999] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.595406][ T999] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 112.595746][ T999] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.596189][ T999] RIP: 0033:0x7fd4a33661e7 [ 112.596545][ T999] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 112.597755][ T999] RSP: 002b:00007ffd10923848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.598263][ T999] RAX: ffffffffffffffda RBX: 00007ffd10923f70 RCX: 00007fd4a33661e7 [ 112.598765][ T999] RDX: 0000000000000000 RSI: 00007ffd109238b0 RDI: 0000000000000005 [ 112.599271][ T999] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 112.599782][ T999] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd10923fa8 [ 112.600310][ T999] R13: 00000000686e0b66 R14: 0000000000499600 R15: 0000000000000000 | [ 112.970820][ T1005] ------------[ cut here ]------------ | [ 112.971203][ T1005] WARNING: CPU: 2 PID: 1005 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 112.972536][ T1005] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 112.973708][ T1005] Tainted: [W]=WARN [ 112.973964][ T1005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.974424][ T1005] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 112.974766][ T1005] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 112.975939][ T1005] RSP: 0018:ffffc90002197080 EFLAGS: 00010246 [ 112.976364][ T1005] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 112.977003][ T1005] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 112.977662][ T1005] RBP: ffffc90002197168 R08: 0000000000000000 R09: 0000000000000000 [ 112.978314][ T1005] R10: ffffc90002197198 R11: ffffffff924a8918 R12: 1ffff92000432e14 [ 112.978998][ T1005] R13: 00000000000005dc R14: ffffc90002197198 R15: ffff88800ec2af08 [ 112.979520][ T1005] FS: 00007f9afd302800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 112.980111][ T1005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.980572][ T1005] CR2: 00000000004a1738 CR3: 000000000f2f7001 CR4: 0000000000772ef0 [ 112.981087][ T1005] PKRU: 55555554 [ 112.981349][ T1005] Call Trace: [ 112.981609][ T1005] [ 112.981785][ T1005] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 112.982125][ T1005] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 112.982469][ T1005] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 112.982874][ T1005] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 112.983207][ T1005] netif_set_mtu (net/core/dev.c:9652) [ 112.983539][ T1005] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 112.983888][ T1005] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 112.984359][ T1005] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 112.984624][ T1005] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 112.985073][ T1005] br_add_if (net/bridge/br_if.c:697) bridge [ 112.985458][ T1005] do_set_master (net/core/rtnetlink.c:2948) [ 112.985788][ T1005] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 112.986126][ T1005] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 112.986567][ T1005] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 112.987134][ T1005] ? __dev_get_by_name (net/core/dev.c:865) [ 112.987715][ T1005] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.988270][ T1005] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.988876][ T1005] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 112.989476][ T1005] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.990072][ T1005] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 112.990701][ T1005] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 112.991050][ T1005] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.991431][ T1005] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 112.991768][ T1005] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.992116][ T1005] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.992471][ T1005] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 112.992805][ T1005] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.993145][ T1005] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.993583][ T1005] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 112.993930][ T1005] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.994278][ T1005] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 112.994653][ T1005] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 112.994985][ T1005] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 112.995325][ T1005] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 112.995682][ T1005] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 112.996010][ T1005] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.996402][ T1005] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.996995][ T1005] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 112.997610][ T1005] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 112.998210][ T1005] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.998809][ T1005] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 112.999430][ T1005] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.000170][ T1005] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 113.000564][ T1005] ___sys_sendmsg (net/socket.c:2670) [ 113.001008][ T1005] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.001366][ T1005] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 113.001754][ T1005] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.002088][ T1005] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 113.002479][ T1005] ? __handle_mm_fault (mm/memory.c:6212) [ 113.002959][ T1005] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 113.003300][ T1005] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 113.003681][ T1005] __sys_sendmsg (net/socket.c:2700) [ 113.004015][ T1005] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.004463][ T1005] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 113.005071][ T1005] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 113.005545][ T1005] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.006081][ T1005] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.006701][ T1005] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.007436][ T1005] RIP: 0033:0x7f9afd4cf1e7 [ 113.008040][ T1005] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 113.010111][ T1005] RSP: 002b:00007fff1ea1c1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.011001][ T1005] RAX: ffffffffffffffda RBX: 00007fff1ea1c900 RCX: 00007f9afd4cf1e7 [ 113.011833][ T1005] RDX: 0000000000000000 RSI: 00007fff1ea1c240 RDI: 0000000000000005 [ 113.012616][ T1005] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 113.013308][ T1005] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff1ea1c938 [ 113.014065][ T1005] R13: 00000000686e0b66 R14: 0000000000499600 R15: 0000000000000000 | [ 113.178337][ T1007] ------------[ cut here ]------------ | [ 113.178741][ T1007] WARNING: CPU: 2 PID: 1007 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 113.180440][ T1007] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 113.181720][ T1007] Tainted: [W]=WARN [ 113.182012][ T1007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.182527][ T1007] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 113.182902][ T1007] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 113.184105][ T1007] RSP: 0018:ffffc900006a7080 EFLAGS: 00010246 [ 113.184583][ T1007] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 113.185112][ T1007] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 113.185647][ T1007] RBP: ffffc900006a7168 R08: 0000000000000000 R09: 0000000000000000 [ 113.186167][ T1007] R10: ffffc900006a7198 R11: ffffffff924a8918 R12: 1ffff920000d4e14 [ 113.186713][ T1007] R13: 00000000000005dc R14: ffffc900006a7198 R15: ffff88800ec2af08 [ 113.187223][ T1007] FS: 00007f7982dc9800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 113.187847][ T1007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.188281][ T1007] CR2: 00000000004a1738 CR3: 000000000bd2c005 CR4: 0000000000772ef0 [ 113.188818][ T1007] PKRU: 55555554 [ 113.189081][ T1007] Call Trace: [ 113.189343][ T1007] [ 113.189551][ T1007] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.189909][ T1007] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 113.190255][ T1007] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 113.190749][ T1007] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 113.191108][ T1007] netif_set_mtu (net/core/dev.c:9652) [ 113.191532][ T1007] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.191881][ T1007] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 113.192339][ T1007] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.192625][ T1007] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.193079][ T1007] br_add_if (net/bridge/br_if.c:697) bridge [ 113.193479][ T1007] do_set_master (net/core/rtnetlink.c:2948) [ 113.193815][ T1007] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 113.194148][ T1007] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 113.194520][ T1007] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 113.194854][ T1007] ? __dev_get_by_name (net/core/dev.c:865) [ 113.195186][ T1007] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.195563][ T1007] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.195907][ T1007] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.196233][ T1007] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.196612][ T1007] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 113.196954][ T1007] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.197292][ T1007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.197658][ T1007] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.197987][ T1007] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.198324][ T1007] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.198699][ T1007] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.199048][ T1007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.199439][ T1007] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.199810][ T1007] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.200160][ T1007] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.200532][ T1007] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.200885][ T1007] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.201268][ T1007] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 113.201623][ T1007] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 113.201979][ T1007] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.202331][ T1007] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.202717][ T1007] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.203068][ T1007] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.203460][ T1007] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.203825][ T1007] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.204888][ T1007] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.205241][ T1007] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.205684][ T1007] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 113.206036][ T1007] ___sys_sendmsg (net/socket.c:2670) [ 113.206622][ T1007] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.206977][ T1007] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 113.207598][ T1007] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.207950][ T1007] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 113.208304][ T1007] ? __handle_mm_fault (mm/memory.c:6212) [ 113.208652][ T1007] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 113.208997][ T1007] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 113.209358][ T1007] __sys_sendmsg (net/socket.c:2700) [ 113.209717][ T1007] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.210063][ T1007] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 113.210452][ T1007] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 113.210803][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.211406][ T1007] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.211782][ T1007] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.212226][ T1007] RIP: 0033:0x7f7982f961e7 [ 113.212593][ T1007] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 113.213797][ T1007] RSP: 002b:00007ffd69389018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.214597][ T1007] RAX: ffffffffffffffda RBX: 00007ffd69389740 RCX: 00007f7982f961e7 [ 113.215113][ T1007] RDX: 0000000000000000 RSI: 00007ffd69389080 RDI: 0000000000000005 [ 113.215914][ T1007] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 113.216686][ T1007] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd69389778 [ 113.217195][ T1007] R13: 00000000686e0b66 R14: 0000000000499600 R15: 0000000000000000 | [ 113.397555][ T1008] ------------[ cut here ]------------ | [ 113.397909][ T1008] WARNING: CPU: 2 PID: 1008 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 113.398835][ T1008] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 113.400048][ T1008] Tainted: [W]=WARN [ 113.400306][ T1008] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.400749][ T1008] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 113.401091][ T1008] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 113.402251][ T1008] RSP: 0018:ffffc90000547080 EFLAGS: 00010246 [ 113.402694][ T1008] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 113.403211][ T1008] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 113.403759][ T1008] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000 [ 113.404298][ T1008] R10: ffffc90000547198 R11: ffffffff924a8918 R12: 1ffff920000a8e14 [ 113.404826][ T1008] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff88800ec2af08 [ 113.405326][ T1008] FS: 00007f4a08efa800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 113.405949][ T1008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.406378][ T1008] CR2: 00007f96698c6240 CR3: 000000000e343002 CR4: 0000000000772ef0 [ 113.406873][ T1008] PKRU: 55555554 [ 113.407153][ T1008] Call Trace: [ 113.407417][ T1008] [ 113.407597][ T1008] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.407951][ T1008] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 113.408292][ T1008] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 113.408730][ T1008] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 113.409073][ T1008] netif_set_mtu (net/core/dev.c:9652) [ 113.409421][ T1008] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.409773][ T1008] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 113.410239][ T1008] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.410509][ T1008] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.410971][ T1008] br_add_if (net/bridge/br_if.c:697) bridge [ 113.411349][ T1008] do_set_master (net/core/rtnetlink.c:2948) [ 113.411718][ T1008] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 113.412052][ T1008] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 113.412398][ T1008] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 113.412729][ T1008] ? __dev_get_by_name (net/core/dev.c:865) [ 113.413063][ T1008] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.413398][ T1008] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.413783][ T1008] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.414128][ T1008] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.414498][ T1008] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 113.414855][ T1008] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.415195][ T1008] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.415566][ T1008] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.415913][ T1008] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.416251][ T1008] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.416587][ T1008] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.416928][ T1008] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.417264][ T1008] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.417613][ T1008] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.417984][ T1008] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.418334][ T1008] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.418702][ T1008] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.419032][ T1008] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 113.419364][ T1008] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 113.419707][ T1008] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.420047][ T1008] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.420400][ T1008] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.420762][ T1008] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.421108][ T1008] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.421466][ T1008] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.421838][ T1008] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.422181][ T1008] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.422609][ T1008] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 113.422953][ T1008] ___sys_sendmsg (net/socket.c:2670) [ 113.423290][ T1008] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.423646][ T1008] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 113.423985][ T1008] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.424336][ T1008] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 113.424703][ T1008] ? __handle_mm_fault (mm/memory.c:6212) [ 113.425048][ T1008] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 113.425398][ T1008] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 113.425771][ T1008] __sys_sendmsg (net/socket.c:2700) [ 113.426104][ T1008] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.426451][ T1008] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 113.426797][ T1008] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 113.427133][ T1008] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.427473][ T1008] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.427804][ T1008] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.428229][ T1008] RIP: 0033:0x7f4a090c71e7 [ 113.428583][ T1008] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 113.429764][ T1008] RSP: 002b:00007ffd0100b4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.430263][ T1008] RAX: ffffffffffffffda RBX: 00007ffd0100bbd0 RCX: 00007f4a090c71e7 [ 113.430791][ T1008] RDX: 0000000000000000 RSI: 00007ffd0100b510 RDI: 0000000000000005 [ 113.431306][ T1008] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 113.431837][ T1008] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0100bc08 [ 113.432340][ T1008] R13: 00000000686e0b67 R14: 0000000000499600 R15: 0000000000000000 | [ 113.569490][ T1010] ------------[ cut here ]------------ | [ 113.569860][ T1010] WARNING: CPU: 2 PID: 1010 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 113.570531][ T1010] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 113.571722][ T1010] Tainted: [W]=WARN [ 113.571974][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.572382][ T1010] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 113.572732][ T1010] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 113.573925][ T1010] RSP: 0018:ffffc900006a7080 EFLAGS: 00010246 [ 113.574381][ T1010] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 113.574917][ T1010] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 113.575434][ T1010] RBP: ffffc900006a7168 R08: 0000000000000000 R09: 0000000000000000 [ 113.575925][ T1010] R10: ffffc900006a7198 R11: ffffffff924a8918 R12: 1ffff920000d4e14 [ 113.576495][ T1010] R13: 00000000000005dc R14: ffffc900006a7198 R15: ffff88800ec2af08 [ 113.576998][ T1010] FS: 00007f28b61ab800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 113.577570][ T1010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.578017][ T1010] CR2: 00007f9669820a00 CR3: 000000000e30d004 CR4: 0000000000772ef0 [ 113.578520][ T1010] PKRU: 55555554 [ 113.578796][ T1010] Call Trace: [ 113.579057][ T1010] [ 113.579242][ T1010] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.579616][ T1010] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 113.579961][ T1010] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 113.580378][ T1010] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 113.580744][ T1010] netif_set_mtu (net/core/dev.c:9652) [ 113.581087][ T1010] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.581449][ T1010] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 113.581911][ T1010] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.582176][ T1010] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.582632][ T1010] br_add_if (net/bridge/br_if.c:697) bridge [ 113.583020][ T1010] do_set_master (net/core/rtnetlink.c:2948) [ 113.583358][ T1010] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 113.583717][ T1010] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 113.584091][ T1010] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 113.584458][ T1010] ? __dev_get_by_name (net/core/dev.c:865) [ 113.584800][ T1010] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.585148][ T1010] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.585509][ T1010] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.585852][ T1010] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.586201][ T1010] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 113.586551][ T1010] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.586894][ T1010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.587250][ T1010] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.587611][ T1010] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.587957][ T1010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.588314][ T1010] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.588681][ T1010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.589033][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.589401][ T1010] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.589753][ T1010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.590091][ T1010] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.590457][ T1010] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.590800][ T1010] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 113.591148][ T1010] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 113.591521][ T1010] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.591885][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.592272][ T1010] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.592650][ T1010] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.593011][ T1010] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.593360][ T1010] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.593723][ T1010] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.594053][ T1010] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.594494][ T1010] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 113.594853][ T1010] ___sys_sendmsg (net/socket.c:2670) [ 113.595199][ T1010] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.595537][ T1010] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 113.595883][ T1010] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.596213][ T1010] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 113.596599][ T1010] ? __handle_mm_fault (mm/memory.c:6212) [ 113.596949][ T1010] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 113.597293][ T1010] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 113.597649][ T1010] __sys_sendmsg (net/socket.c:2700) [ 113.597992][ T1010] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.598322][ T1010] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 113.598669][ T1010] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 113.599023][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.599372][ T1010] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.599714][ T1010] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.600151][ T1010] RIP: 0033:0x7f28b63781e7 [ 113.600518][ T1010] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 113.601712][ T1010] RSP: 002b:00007ffeff23a9a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.602235][ T1010] RAX: ffffffffffffffda RBX: 00007ffeff23b0d0 RCX: 00007f28b63781e7 [ 113.602772][ T1010] RDX: 0000000000000000 RSI: 00007ffeff23aa10 RDI: 0000000000000005 [ 113.603293][ T1010] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 113.603836][ T1010] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeff23b108 [ 113.604355][ T1010] R13: 00000000686e0b67 R14: 0000000000499600 R15: 0000000000000000 | [ 113.776477][ T1013] ------------[ cut here ]------------ | [ 113.776799][ T1013] WARNING: CPU: 0 PID: 1013 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 113.777459][ T1013] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 113.779689][ T1013] Tainted: [W]=WARN [ 113.779966][ T1013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.780373][ T1013] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 113.780716][ T1013] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 113.781858][ T1013] RSP: 0018:ffffc90000677080 EFLAGS: 00010246 [ 113.782257][ T1013] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 113.782748][ T1013] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 113.783219][ T1013] RBP: ffffc90000677168 R08: 0000000000000000 R09: 0000000000000000 [ 113.783702][ T1013] R10: ffffc90000677198 R11: ffffffff924a8918 R12: 1ffff920000cee14 [ 113.784177][ T1013] R13: 00000000000005dc R14: ffffc90000677198 R15: ffff88800ec2af08 [ 113.784673][ T1013] FS: 00007f604d35c800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 113.785225][ T1013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.785634][ T1013] CR2: 00007f966990f840 CR3: 000000000e217006 CR4: 0000000000772ef0 [ 113.786142][ T1013] PKRU: 55555554 [ 113.786375][ T1013] Call Trace: [ 113.786621][ T1013] [ 113.786786][ T1013] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.787111][ T1013] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 113.787436][ T1013] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 113.787832][ T1013] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 113.788148][ T1013] netif_set_mtu (net/core/dev.c:9652) [ 113.788475][ T1013] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.788808][ T1013] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 113.789250][ T1013] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.789518][ T1013] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.789948][ T1013] br_add_if (net/bridge/br_if.c:697) bridge [ 113.790311][ T1013] do_set_master (net/core/rtnetlink.c:2948) [ 113.790631][ T1013] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 113.790967][ T1013] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 113.791284][ T1013] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 113.791602][ T1013] ? __dev_get_by_name (net/core/dev.c:865) [ 113.791938][ T1013] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.792272][ T1013] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.792610][ T1013] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.792935][ T1013] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.793278][ T1013] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 113.793639][ T1013] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.793980][ T1013] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.794334][ T1013] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.794659][ T1013] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.794979][ T1013] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.795293][ T1013] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.795616][ T1013] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.795968][ T1013] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.796291][ T1013] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.796616][ T1013] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.796934][ T1013] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.797270][ T1013] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.797594][ T1013] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 113.797910][ T1013] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 113.798228][ T1013] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.798558][ T1013] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.798885][ T1013] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.799203][ T1013] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.799534][ T1013] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.799862][ T1013] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.800182][ T1013] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.800502][ T1013] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.800902][ T1013] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 113.801226][ T1013] ___sys_sendmsg (net/socket.c:2670) [ 113.801549][ T1013] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.801868][ T1013] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 113.802190][ T1013] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.802517][ T1013] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 113.802839][ T1013] ? __handle_mm_fault (mm/memory.c:6212) [ 113.803159][ T1013] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 113.803481][ T1013] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 113.803817][ T1013] __sys_sendmsg (net/socket.c:2700) [ 113.804133][ T1013] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.804469][ T1013] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 113.804800][ T1013] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 113.805116][ T1013] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.805442][ T1013] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.805762][ T1013] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.806155][ T1013] RIP: 0033:0x7f604d5291e7 [ 113.806488][ T1013] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 113.807619][ T1013] RSP: 002b:00007ffd07a096b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.808106][ T1013] RAX: ffffffffffffffda RBX: 00007ffd07a09de0 RCX: 00007f604d5291e7 [ 113.808583][ T1013] RDX: 0000000000000000 RSI: 00007ffd07a09720 RDI: 0000000000000005 [ 113.809065][ T1013] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 113.809551][ T1013] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd07a09e18 [ 113.810035][ T1013] R13: 00000000686e0b67 R14: 0000000000499600 R15: 0000000000000000 | [ 113.973494][ T1014] ------------[ cut here ]------------ | [ 113.973834][ T1014] WARNING: CPU: 3 PID: 1014 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 113.974526][ T1014] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 113.975681][ T1014] Tainted: [W]=WARN [ 113.975921][ T1014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.976322][ T1014] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 113.976655][ T1014] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 113.977797][ T1014] RSP: 0018:ffffc900006c7080 EFLAGS: 00010246 [ 113.978228][ T1014] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 113.978740][ T1014] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 113.979240][ T1014] RBP: ffffc900006c7168 R08: 0000000000000000 R09: 0000000000000000 [ 113.979726][ T1014] R10: ffffc900006c7198 R11: ffffffff924a8918 R12: 1ffff920000d8e14 [ 113.980221][ T1014] R13: 00000000000005dc R14: ffffc900006c7198 R15: ffff88800ec2af08 [ 113.980707][ T1014] FS: 00007f6b51a58800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 113.981275][ T1014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.981687][ T1014] CR2: 0000562c803d8368 CR3: 000000000f168005 CR4: 0000000000772ef0 [ 113.982164][ T1014] PKRU: 55555554 [ 113.982411][ T1014] Call Trace: [ 113.982661][ T1014] [ 113.982840][ T1014] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.983164][ T1014] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 113.983500][ T1014] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 113.983897][ T1014] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 113.984229][ T1014] netif_set_mtu (net/core/dev.c:9652) [ 113.984585][ T1014] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.984937][ T1014] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 113.985410][ T1014] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.985693][ T1014] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.986167][ T1014] br_add_if (net/bridge/br_if.c:697) bridge [ 113.986571][ T1014] do_set_master (net/core/rtnetlink.c:2948) [ 113.986928][ T1014] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 113.987287][ T1014] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 113.987647][ T1014] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 113.987965][ T1014] ? __dev_get_by_name (net/core/dev.c:865) [ 113.988280][ T1014] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.988608][ T1014] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.988928][ T1014] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.989241][ T1014] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.989580][ T1014] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 113.989904][ T1014] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.990223][ T1014] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.990557][ T1014] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.990870][ T1014] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.991190][ T1014] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.991516][ T1014] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.991834][ T1014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.992154][ T1014] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.992514][ T1014] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.992835][ T1014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.993152][ T1014] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.993493][ T1014] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.993818][ T1014] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 113.994138][ T1014] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 113.994488][ T1014] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.994805][ T1014] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.995128][ T1014] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.995454][ T1014] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.995773][ T1014] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.996097][ T1014] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.996423][ T1014] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.996743][ T1014] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.997152][ T1014] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 113.997503][ T1014] ___sys_sendmsg (net/socket.c:2670) [ 113.997829][ T1014] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.998169][ T1014] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 113.998502][ T1014] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.998817][ T1014] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 113.999137][ T1014] ? __handle_mm_fault (mm/memory.c:6212) [ 113.999475][ T1014] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 113.999802][ T1014] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 114.000155][ T1014] __sys_sendmsg (net/socket.c:2700) [ 114.000504][ T1014] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.000818][ T1014] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 114.001139][ T1014] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 114.001465][ T1014] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.001811][ T1014] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.002144][ T1014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.002554][ T1014] RIP: 0033:0x7f6b51c251e7 [ 114.002881][ T1014] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 114.004064][ T1014] RSP: 002b:00007ffcc0b732f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.004588][ T1014] RAX: ffffffffffffffda RBX: 00007ffcc0b73a20 RCX: 00007f6b51c251e7 [ 114.005102][ T1014] RDX: 0000000000000000 RSI: 00007ffcc0b73360 RDI: 0000000000000005 [ 114.005611][ T1014] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 114.006118][ T1014] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc0b73a58 [ 114.006633][ T1014] R13: 00000000686e0b67 R14: 0000000000499600 R15: 0000000000000000 | [ 114.160089][ T1016] ------------[ cut here ]------------ | [ 114.160445][ T1016] WARNING: CPU: 0 PID: 1016 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 114.161098][ T1016] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 114.162286][ T1016] Tainted: [W]=WARN [ 114.162551][ T1016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.162968][ T1016] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 114.163313][ T1016] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 114.164530][ T1016] RSP: 0018:ffffc900004f7080 EFLAGS: 00010246 [ 114.164952][ T1016] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 114.165455][ T1016] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 114.165957][ T1016] RBP: ffffc900004f7168 R08: 0000000000000000 R09: 0000000000000000 [ 114.166463][ T1016] R10: ffffc900004f7198 R11: ffffffff924a8918 R12: 1ffff9200009ee14 [ 114.166964][ T1016] R13: 00000000000005dc R14: ffffc900004f7198 R15: ffff88800ec2af08 [ 114.167480][ T1016] FS: 00007f7bd65a4800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 114.168072][ T1016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.168504][ T1016] CR2: 00007f96695dc7b0 CR3: 0000000009236003 CR4: 0000000000772ef0 [ 114.169003][ T1016] PKRU: 55555554 [ 114.169253][ T1016] Call Trace: [ 114.169510][ T1016] [ 114.169684][ T1016] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.170025][ T1016] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 114.170361][ T1016] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 114.170788][ T1016] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 114.171126][ T1016] netif_set_mtu (net/core/dev.c:9652) [ 114.171466][ T1016] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.171810][ T1016] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 114.172273][ T1016] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.172539][ T1016] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.173012][ T1016] br_add_if (net/bridge/br_if.c:697) bridge [ 114.173382][ T1016] do_set_master (net/core/rtnetlink.c:2948) [ 114.173707][ T1016] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 114.174024][ T1016] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 114.174367][ T1016] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 114.174692][ T1016] ? __dev_get_by_name (net/core/dev.c:865) [ 114.175004][ T1016] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.175318][ T1016] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.175648][ T1016] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.175959][ T1016] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.176276][ T1016] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 114.176609][ T1016] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.176934][ T1016] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.177269][ T1016] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.177589][ T1016] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.177907][ T1016] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.178223][ T1016] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.178548][ T1016] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.178871][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.179198][ T1016] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.179524][ T1016] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.179846][ T1016] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.180226][ T1016] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.180566][ T1016] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 114.180901][ T1016] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 114.181234][ T1016] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.181577][ T1016] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.181914][ T1016] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.182249][ T1016] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.182594][ T1016] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.182932][ T1016] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.183268][ T1016] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.183612][ T1016] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.184040][ T1016] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 114.184397][ T1016] ___sys_sendmsg (net/socket.c:2670) [ 114.184736][ T1016] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.185064][ T1016] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 114.185412][ T1016] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.185743][ T1016] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 114.186079][ T1016] ? __handle_mm_fault (mm/memory.c:6212) [ 114.186419][ T1016] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 114.186749][ T1016] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 114.187100][ T1016] __sys_sendmsg (net/socket.c:2700) [ 114.187442][ T1016] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.187772][ T1016] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 114.188113][ T1016] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 114.188455][ T1016] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.188793][ T1016] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.189127][ T1016] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.189622][ T1016] RIP: 0033:0x7f7bd67711e7 [ 114.189964][ T1016] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 114.191174][ T1016] RSP: 002b:00007fff517abcf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.191689][ T1016] RAX: ffffffffffffffda RBX: 00007fff517ac420 RCX: 00007f7bd67711e7 [ 114.192192][ T1016] RDX: 0000000000000000 RSI: 00007fff517abd60 RDI: 0000000000000005 [ 114.192691][ T1016] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 114.193184][ T1016] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff517ac458 [ 114.193681][ T1016] R13: 00000000686e0b67 R14: 0000000000499600 R15: 0000000000000000 | [ 114.341151][ T1019] ------------[ cut here ]------------ | [ 114.341542][ T1019] WARNING: CPU: 1 PID: 1019 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 114.342171][ T1019] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 114.343309][ T1019] Tainted: [W]=WARN [ 114.343555][ T1019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.343949][ T1019] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 114.344288][ T1019] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 114.345578][ T1019] RSP: 0018:ffffc900004f7080 EFLAGS: 00010246 [ 114.345977][ T1019] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 114.346583][ T1019] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 114.347055][ T1019] RBP: ffffc900004f7168 R08: 0000000000000000 R09: 0000000000000000 [ 114.347539][ T1019] R10: ffffc900004f7198 R11: ffffffff924a8918 R12: 1ffff9200009ee14 [ 114.348010][ T1019] R13: 00000000000005dc R14: ffffc900004f7198 R15: ffff88800ec2af08 [ 114.348490][ T1019] FS: 00007f4ee63b6800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 114.349040][ T1019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.349443][ T1019] CR2: 00007f96698dfb30 CR3: 000000000c28d006 CR4: 0000000000772ef0 [ 114.349918][ T1019] PKRU: 55555554 [ 114.350153][ T1019] Call Trace: [ 114.350403][ T1019] [ 114.350569][ T1019] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.350891][ T1019] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 114.351206][ T1019] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 114.351609][ T1019] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 114.351930][ T1019] netif_set_mtu (net/core/dev.c:9652) [ 114.352247][ T1019] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.352582][ T1019] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 114.353023][ T1019] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.353263][ T1019] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.353701][ T1019] br_add_if (net/bridge/br_if.c:697) bridge [ 114.354062][ T1019] do_set_master (net/core/rtnetlink.c:2948) [ 114.354396][ T1019] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 114.354712][ T1019] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 114.355028][ T1019] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 114.355337][ T1019] ? __dev_get_by_name (net/core/dev.c:865) [ 114.355668][ T1019] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.355983][ T1019] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.356311][ T1019] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.356634][ T1019] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.356977][ T1019] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 114.357299][ T1019] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.357639][ T1019] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.357964][ T1019] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.358273][ T1019] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.358614][ T1019] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.358938][ T1019] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.359253][ T1019] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.359580][ T1019] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.359896][ T1019] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.360213][ T1019] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.360544][ T1019] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.360878][ T1019] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.361208][ T1019] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 114.361545][ T1019] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 114.361868][ T1019] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.362184][ T1019] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.362512][ T1019] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.362828][ T1019] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.363146][ T1019] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.363480][ T1019] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.363805][ T1019] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.364121][ T1019] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.364544][ T1019] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 114.364874][ T1019] ___sys_sendmsg (net/socket.c:2670) [ 114.365197][ T1019] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.365522][ T1019] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 114.365851][ T1019] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.366166][ T1019] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 114.366500][ T1019] ? __handle_mm_fault (mm/memory.c:6212) [ 114.366821][ T1019] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 114.367136][ T1019] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 114.367477][ T1019] __sys_sendmsg (net/socket.c:2700) [ 114.367788][ T1019] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.368112][ T1019] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 114.368451][ T1019] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 114.368777][ T1019] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.369101][ T1019] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.369429][ T1019] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.369831][ T1019] RIP: 0033:0x7f4ee65831e7 [ 114.370165][ T1019] Code: Unable to access opcode bytes at 0x7f4ee65831bd. Code starting with the faulting instruction =========================================== [ 114.370590][ T1019] RSP: 002b:00007fff5a717b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.371070][ T1019] RAX: ffffffffffffffda RBX: 00007fff5a718260 RCX: 00007f4ee65831e7 [ 114.371547][ T1019] RDX: 0000000000000000 RSI: 00007fff5a717ba0 RDI: 0000000000000005 [ 114.372017][ T1019] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 114.372508][ T1019] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff5a718298 [ 114.372990][ T1019] R13: 00000000686e0b67 R14: 0000000000499600 R15: 0000000000000000 | [ 114.530014][ T1021] ------------[ cut here ]------------ | [ 114.530334][ T1021] WARNING: CPU: 1 PID: 1021 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 114.531190][ T1021] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 114.532634][ T1021] Tainted: [W]=WARN [ 114.532873][ T1021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.533264][ T1021] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 114.533738][ T1021] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 114.534891][ T1021] RSP: 0018:ffffc90000547080 EFLAGS: 00010246 [ 114.535289][ T1021] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 114.535768][ T1021] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 114.536249][ T1021] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000 [ 114.536736][ T1021] R10: ffffc90000547198 R11: ffffffff924a8918 R12: 1ffff920000a8e14 [ 114.537233][ T1021] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff88800ec2af08 [ 114.537739][ T1021] FS: 00007f63b89de800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 114.538289][ T1021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.538694][ T1021] CR2: 00000000004a1738 CR3: 0000000005166005 CR4: 0000000000772ef0 [ 114.539190][ T1021] PKRU: 55555554 [ 114.539443][ T1021] Call Trace: [ 114.539686][ T1021] [ 114.539850][ T1021] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.540172][ T1021] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 114.540504][ T1021] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 114.540903][ T1021] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 114.541233][ T1021] netif_set_mtu (net/core/dev.c:9652) [ 114.541571][ T1021] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.541899][ T1021] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 114.542338][ T1021] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.542583][ T1021] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.543039][ T1021] br_add_if (net/bridge/br_if.c:697) bridge [ 114.543430][ T1021] do_set_master (net/core/rtnetlink.c:2948) [ 114.543756][ T1021] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 114.544084][ T1021] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 114.544427][ T1021] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 114.544747][ T1021] ? __dev_get_by_name (net/core/dev.c:865) [ 114.545059][ T1021] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.545374][ T1021] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.545706][ T1021] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.546033][ T1021] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.546353][ T1021] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 114.546689][ T1021] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.547016][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.547346][ T1021] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.547680][ T1021] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.548003][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.548322][ T1021] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.548662][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.548993][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.549337][ T1021] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.549674][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.550045][ T1021] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.550400][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.550725][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 114.551091][ T1021] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 114.551432][ T1021] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.551769][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.552102][ T1021] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.552444][ T1021] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.552773][ T1021] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.553105][ T1021] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.553441][ T1021] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.553766][ T1021] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.554164][ T1021] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 114.554520][ T1021] ___sys_sendmsg (net/socket.c:2670) [ 114.554833][ T1021] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.555143][ T1021] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 114.555472][ T1021] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.555793][ T1021] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 114.556110][ T1021] ? __handle_mm_fault (mm/memory.c:6212) [ 114.556442][ T1021] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 114.556759][ T1021] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 114.557094][ T1021] __sys_sendmsg (net/socket.c:2700) [ 114.557431][ T1021] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.557765][ T1021] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 114.558085][ T1021] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 114.558412][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.558727][ T1021] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.559040][ T1021] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.559439][ T1021] RIP: 0033:0x7f63b8bab1e7 [ 114.559764][ T1021] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 114.560890][ T1021] RSP: 002b:00007ffc4dd25268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.561375][ T1021] RAX: ffffffffffffffda RBX: 00007ffc4dd25990 RCX: 00007f63b8bab1e7 [ 114.561855][ T1021] RDX: 0000000000000000 RSI: 00007ffc4dd252d0 RDI: 0000000000000005 [ 114.562346][ T1021] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 114.562825][ T1021] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4dd259c8 [ 114.563292][ T1021] R13: 00000000686e0b68 R14: 0000000000499600 R15: 0000000000000000 | [ 114.754434][ T1022] ------------[ cut here ]------------ | [ 114.754759][ T1022] WARNING: CPU: 3 PID: 1022 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 114.755707][ T1022] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 114.757202][ T1022] Tainted: [W]=WARN [ 114.757454][ T1022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.757852][ T1022] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 114.758219][ T1022] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 114.759665][ T1022] RSP: 0018:ffffc900004f7080 EFLAGS: 00010246 [ 114.760308][ T1022] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 114.760794][ T1022] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 114.761286][ T1022] RBP: ffffc900004f7168 R08: 0000000000000000 R09: 0000000000000000 [ 114.761771][ T1022] R10: ffffc900004f7198 R11: ffffffff924a8918 R12: 1ffff9200009ee14 [ 114.762283][ T1022] R13: 00000000000005dc R14: ffffc900004f7198 R15: ffff88800ec2af08 [ 114.762770][ T1022] FS: 00007faab9ab4800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 114.763486][ T1022] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.763882][ T1022] CR2: 00007f966990ed40 CR3: 000000000523a006 CR4: 0000000000772ef0 [ 114.764385][ T1022] PKRU: 55555554 [ 114.764633][ T1022] Call Trace: [ 114.764869][ T1022] [ 114.765042][ T1022] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.765376][ T1022] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 114.765702][ T1022] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 114.766136][ T1022] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 114.766491][ T1022] netif_set_mtu (net/core/dev.c:9652) [ 114.766816][ T1022] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.767226][ T1022] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 114.767697][ T1022] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.767939][ T1022] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.768370][ T1022] br_add_if (net/bridge/br_if.c:697) bridge [ 114.768741][ T1022] do_set_master (net/core/rtnetlink.c:2948) [ 114.769057][ T1022] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 114.769374][ T1022] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 114.769704][ T1022] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 114.770025][ T1022] ? __dev_get_by_name (net/core/dev.c:865) [ 114.770375][ T1022] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.770706][ T1022] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.771032][ T1022] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.771344][ T1022] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.771673][ T1022] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 114.772007][ T1022] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.772333][ T1022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.772670][ T1022] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.772986][ T1022] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.773305][ T1022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.773628][ T1022] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.773945][ T1022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.774304][ T1022] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.774652][ T1022] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.774971][ T1022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.775286][ T1022] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.775620][ T1022] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.775933][ T1022] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 114.776249][ T1022] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 114.776578][ T1022] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.776892][ T1022] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.777212][ T1022] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.777542][ T1022] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.777859][ T1022] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.778223][ T1022] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.778556][ T1022] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.778884][ T1022] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.779290][ T1022] ___sys_sendmsg (net/socket.c:2670) [ 114.779616][ T1022] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.779933][ T1022] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 114.780254][ T1022] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) [ 114.780509][ T1022] ? __handle_mm_fault (mm/memory.c:6212) [ 114.780828][ T1022] ? irqentry_exit (kernel/entry/common.c:311) [ 114.781143][ T1022] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 114.781480][ T1022] __sys_sendmsg (net/socket.c:2700) [ 114.781797][ T1022] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.782109][ T1022] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) [ 114.782443][ T1022] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) [ 114.782768][ T1022] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.783113][ T1022] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.783442][ T1022] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.783836][ T1022] RIP: 0033:0x7faab9c811e7 [ 114.784164][ T1022] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 114.785310][ T1022] RSP: 002b:00007ffc3dc1c098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.785802][ T1022] RAX: ffffffffffffffda RBX: 00007ffc3dc1c7c0 RCX: 00007faab9c811e7 [ 114.786282][ T1022] RDX: 0000000000000000 RSI: 00007ffc3dc1c100 RDI: 0000000000000005 [ 114.786768][ T1022] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 114.787240][ T1022] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc3dc1c7f8 [ 114.787731][ T1022] R13: 00000000686e0b68 R14: 0000000000499600 R15: 0000000000000000 | [ 114.964696][ T1025] ------------[ cut here ]------------ | [ 114.965054][ T1025] WARNING: CPU: 2 PID: 1025 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 114.965779][ T1025] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 114.967000][ T1025] Tainted: [W]=WARN [ 114.967265][ T1025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.967703][ T1025] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 114.968062][ T1025] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 114.969274][ T1025] RSP: 0018:ffffc90000527080 EFLAGS: 00010246 [ 114.969718][ T1025] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 114.970237][ T1025] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 114.970771][ T1025] RBP: ffffc90000527168 R08: 0000000000000000 R09: 0000000000000000 [ 114.971284][ T1025] R10: ffffc90000527198 R11: ffffffff924a8918 R12: 1ffff920000a4e14 [ 114.971796][ T1025] R13: 00000000000005dc R14: ffffc90000527198 R15: ffff88800ec2af08 [ 114.972314][ T1025] FS: 00007f1a3f551800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 114.972912][ T1025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.973344][ T1025] CR2: 00000000004a1738 CR3: 000000000523a006 CR4: 0000000000772ef0 [ 114.973861][ T1025] PKRU: 55555554 [ 114.974124][ T1025] Call Trace: [ 114.974425][ T1025] [ 114.974612][ T1025] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.974967][ T1025] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 114.975320][ T1025] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 114.975751][ T1025] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 114.976097][ T1025] netif_set_mtu (net/core/dev.c:9652) [ 114.976459][ T1025] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.976813][ T1025] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 114.977285][ T1025] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.977556][ T1025] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.978020][ T1025] br_add_if (net/bridge/br_if.c:697) bridge [ 114.978427][ T1025] do_set_master (net/core/rtnetlink.c:2948) [ 114.978774][ T1025] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 114.979121][ T1025] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 114.979480][ T1025] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 114.979832][ T1025] ? __dev_get_by_name (net/core/dev.c:865) [ 114.980173][ T1025] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.980542][ T1025] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.980892][ T1025] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.981236][ T1025] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.981596][ T1025] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 114.981948][ T1025] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.982295][ T1025] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.982677][ T1025] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.983021][ T1025] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.983369][ T1025] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.983730][ T1025] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.984087][ T1025] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.984475][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.984832][ T1025] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.985173][ T1025] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.985532][ T1025] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.985898][ T1025] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.986251][ T1025] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 114.986628][ T1025] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 114.987038][ T1025] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.987373][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.987721][ T1025] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.988057][ T1025] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.988401][ T1025] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.988744][ T1025] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.989076][ T1025] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.989429][ T1025] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.989836][ T1025] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 114.990173][ T1025] ___sys_sendmsg (net/socket.c:2670) [ 114.990763][ T1025] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.991375][ T1025] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 114.991994][ T1025] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.992364][ T1025] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 114.992726][ T1025] ? __handle_mm_fault (mm/memory.c:6212) [ 114.993060][ T1025] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 114.993386][ T1025] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 114.993740][ T1025] __sys_sendmsg (net/socket.c:2700) [ 114.994080][ T1025] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.994430][ T1025] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 114.994768][ T1025] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 114.995099][ T1025] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.995437][ T1025] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.995772][ T1025] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.996175][ T1025] RIP: 0033:0x7f1a3f71e1e7 [ 114.996520][ T1025] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 114.997695][ T1025] RSP: 002b:00007fff1e1455c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.998192][ T1025] RAX: ffffffffffffffda RBX: 00007fff1e145cf0 RCX: 00007f1a3f71e1e7 [ 114.998710][ T1025] RDX: 0000000000000000 RSI: 00007fff1e145630 RDI: 0000000000000005 [ 114.999194][ T1025] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 114.999689][ T1025] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff1e145d28 [ 115.000173][ T1025] R13: 00000000686e0b68 R14: 0000000000499600 R15: 0000000000000000 | [ 115.227776][ T1027] ------------[ cut here ]------------ | [ 115.228126][ T1027] WARNING: CPU: 1 PID: 1027 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 115.228959][ T1027] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 115.230252][ T1027] Tainted: [W]=WARN [ 115.230642][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.231035][ T1027] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 115.231362][ T1027] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 115.232504][ T1027] RSP: 0018:ffffc90000527080 EFLAGS: 00010246 [ 115.232899][ T1027] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 115.233369][ T1027] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 115.233891][ T1027] RBP: ffffc90000527168 R08: 0000000000000000 R09: 0000000000000000 [ 115.234379][ T1027] R10: ffffc90000527198 R11: ffffffff924a8918 R12: 1ffff920000a4e14 [ 115.234863][ T1027] R13: 00000000000005dc R14: ffffc90000527198 R15: ffff88800ec2af08 [ 115.235339][ T1027] FS: 00007f774c22d800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 115.235895][ T1027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.236328][ T1027] CR2: 00000000004a1738 CR3: 000000000f0b0006 CR4: 0000000000772ef0 [ 115.236823][ T1027] PKRU: 55555554 [ 115.237061][ T1027] Call Trace: [ 115.237305][ T1027] [ 115.237478][ T1027] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.237802][ T1027] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 115.238120][ T1027] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 115.238519][ T1027] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 115.238847][ T1027] netif_set_mtu (net/core/dev.c:9652) [ 115.239160][ T1027] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 115.239511][ T1027] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 115.239962][ T1027] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 115.240219][ T1027] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 115.240664][ T1027] br_add_if (net/bridge/br_if.c:697) bridge [ 115.241046][ T1027] do_set_master (net/core/rtnetlink.c:2948) [ 115.241361][ T1027] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 115.241692][ T1027] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 115.242009][ T1027] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 115.242319][ T1027] ? __dev_get_by_name (net/core/dev.c:865) [ 115.242644][ T1027] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.242958][ T1027] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.243282][ T1027] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.243600][ T1027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.243921][ T1027] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 115.244259][ T1027] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.244585][ T1027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.244908][ T1027] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.245217][ T1027] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.245537][ T1027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.245874][ T1027] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.246192][ T1027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.246518][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.246838][ T1027] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.247204][ T1027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.247551][ T1027] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.247891][ T1027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.248213][ T1027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 115.248543][ T1027] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 115.248871][ T1027] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.249182][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.249513][ T1027] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.249830][ T1027] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.250148][ T1027] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.250492][ T1027] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.250825][ T1027] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.251150][ T1027] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.251567][ T1027] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 115.251915][ T1027] ___sys_sendmsg (net/socket.c:2670) [ 115.252323][ T1027] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.252670][ T1027] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 115.253010][ T1027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.253349][ T1027] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 115.253695][ T1027] ? __handle_mm_fault (mm/memory.c:6212) [ 115.254023][ T1027] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 115.254359][ T1027] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 115.254714][ T1027] __sys_sendmsg (net/socket.c:2700) [ 115.255043][ T1027] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.255372][ T1027] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 115.255718][ T1027] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 115.256048][ T1027] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.256380][ T1027] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.256715][ T1027] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.257117][ T1027] RIP: 0033:0x7f774c3fa1e7 [ 115.257461][ T1027] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 115.258690][ T1027] RSP: 002b:00007ffe16b37ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.259186][ T1027] RAX: ffffffffffffffda RBX: 00007ffe16b38610 RCX: 00007f774c3fa1e7 [ 115.259684][ T1027] RDX: 0000000000000000 RSI: 00007ffe16b37f50 RDI: 0000000000000005 [ 115.260181][ T1027] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 115.260676][ T1027] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe16b38648 [ 115.261162][ T1027] R13: 00000000686e0b68 R14: 0000000000499600 R15: 0000000000000000 | [ 115.432529][ T1030] ------------[ cut here ]------------ | [ 115.432905][ T1030] WARNING: CPU: 2 PID: 1030 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 115.433611][ T1030] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 115.434883][ T1030] Tainted: [W]=WARN [ 115.435166][ T1030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.435614][ T1030] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 115.435972][ T1030] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 115.437346][ T1030] RSP: 0018:ffffc90000727080 EFLAGS: 00010246 [ 115.437862][ T1030] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 115.438449][ T1030] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 115.439062][ T1030] RBP: ffffc90000727168 R08: 0000000000000000 R09: 0000000000000000 [ 115.439650][ T1030] R10: ffffc90000727198 R11: ffffffff924a8918 R12: 1ffff920000e4e14 [ 115.440352][ T1030] R13: 00000000000005dc R14: ffffc90000727198 R15: ffff88800ec2af08 [ 115.441172][ T1030] FS: 00007f79d436d800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 115.442193][ T1030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.442940][ T1030] CR2: 00000000004a1738 CR3: 000000000f374006 CR4: 0000000000772ef0 [ 115.443807][ T1030] PKRU: 55555554 [ 115.444253][ T1030] Call Trace: [ 115.444721][ T1030] [ 115.445049][ T1030] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.445643][ T1030] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 115.446264][ T1030] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 115.447033][ T1030] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 115.447654][ T1030] netif_set_mtu (net/core/dev.c:9652) [ 115.448253][ T1030] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 115.448884][ T1030] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 115.449707][ T1030] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 115.450119][ T1030] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 115.450696][ T1030] br_add_if (net/bridge/br_if.c:697) bridge [ 115.451103][ T1030] do_set_master (net/core/rtnetlink.c:2948) [ 115.451528][ T1030] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 115.451934][ T1030] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 115.452285][ T1030] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 115.452629][ T1030] ? __dev_get_by_name (net/core/dev.c:865) [ 115.453064][ T1030] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.453476][ T1030] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.453881][ T1030] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.454271][ T1030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.454694][ T1030] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 115.455158][ T1030] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.455555][ T1030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.455902][ T1030] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.456256][ T1030] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.456609][ T1030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.456945][ T1030] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.457306][ T1030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.457653][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.458145][ T1030] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.458505][ T1030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.458842][ T1030] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.459340][ T1030] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.459774][ T1030] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 115.460128][ T1030] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 115.460516][ T1030] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.460921][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.461280][ T1030] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.461635][ T1030] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.461972][ T1030] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.462356][ T1030] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.462721][ T1030] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.463165][ T1030] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.463622][ T1030] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 115.463961][ T1030] ___sys_sendmsg (net/socket.c:2670) [ 115.464328][ T1030] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.464682][ T1030] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 115.465035][ T1030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.465374][ T1030] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 115.465821][ T1030] ? __handle_mm_fault (mm/memory.c:6212) [ 115.466182][ T1030] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 115.466530][ T1030] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 115.466881][ T1030] __sys_sendmsg (net/socket.c:2700) [ 115.467354][ T1030] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.467713][ T1030] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 115.468075][ T1030] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 115.468424][ T1030] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.468766][ T1030] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.469115][ T1030] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.469647][ T1030] RIP: 0033:0x7f79d453a1e7 [ 115.469997][ T1030] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 115.471212][ T1030] RSP: 002b:00007ffda28643d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.471824][ T1030] RAX: ffffffffffffffda RBX: 00007ffda2864b00 RCX: 00007f79d453a1e7 [ 115.472403][ T1030] RDX: 0000000000000000 RSI: 00007ffda2864440 RDI: 0000000000000005 [ 115.472954][ T1030] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 115.473561][ T1030] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda2864b38 [ 115.474071][ T1030] R13: 00000000686e0b69 R14: 0000000000499600 R15: 0000000000000000 | [ 115.644844][ T1032] ------------[ cut here ]------------ | [ 115.645187][ T1032] WARNING: CPU: 2 PID: 1032 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 115.645925][ T1032] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 115.647236][ T1032] Tainted: [W]=WARN [ 115.647513][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.647923][ T1032] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 115.648285][ T1032] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 115.649470][ T1032] RSP: 0018:ffffc90000727080 EFLAGS: 00010246 [ 115.649891][ T1032] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 115.650465][ T1032] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 115.650961][ T1032] RBP: ffffc90000727168 R08: 0000000000000000 R09: 0000000000000000 [ 115.651456][ T1032] R10: ffffc90000727198 R11: ffffffff924a8918 R12: 1ffff920000e4e14 [ 115.651946][ T1032] R13: 00000000000005dc R14: ffffc90000727198 R15: ffff88800ec2af08 [ 115.652445][ T1032] FS: 00007fdc34742800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 115.653011][ T1032] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.653471][ T1032] CR2: 0000561e1d79fdec CR3: 000000000e331001 CR4: 0000000000772ef0 [ 115.653970][ T1032] PKRU: 55555554 [ 115.654236][ T1032] Call Trace: [ 115.654500][ T1032] [ 115.654699][ T1032] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.655098][ T1032] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 115.655485][ T1032] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 115.655895][ T1032] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 115.656273][ T1032] netif_set_mtu (net/core/dev.c:9652) [ 115.656622][ T1032] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 115.657003][ T1032] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 115.657557][ T1032] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 115.657819][ T1032] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 115.658281][ T1032] br_add_if (net/bridge/br_if.c:697) bridge [ 115.658790][ T1032] do_set_master (net/core/rtnetlink.c:2948) [ 115.659195][ T1032] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 115.659576][ T1032] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 115.660053][ T1032] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 115.660485][ T1032] ? __dev_get_by_name (net/core/dev.c:865) [ 115.660897][ T1032] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.661245][ T1032] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.661690][ T1032] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.662025][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.662376][ T1032] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 115.662856][ T1032] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.663288][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.663770][ T1032] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.664166][ T1032] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.664687][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.665064][ T1032] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.665490][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.665828][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.666181][ T1032] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.666659][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.667042][ T1032] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.667514][ T1032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.667876][ T1032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 115.668369][ T1032] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 115.668841][ T1032] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.669199][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.669658][ T1032] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.670093][ T1032] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.670543][ T1032] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.670892][ T1032] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.671302][ T1032] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.671693][ T1032] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.672106][ T1032] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 115.672666][ T1032] ___sys_sendmsg (net/socket.c:2670) [ 115.673135][ T1032] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.673589][ T1032] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 115.673932][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.674378][ T1032] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 115.674727][ T1032] ? __handle_mm_fault (mm/memory.c:6212) [ 115.675055][ T1032] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 115.675506][ T1032] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 115.675884][ T1032] __sys_sendmsg (net/socket.c:2700) [ 115.676431][ T1032] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.676821][ T1032] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 115.677163][ T1032] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 115.677617][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.677987][ T1032] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.678408][ T1032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.678921][ T1032] RIP: 0033:0x7fdc3490f1e7 [ 115.679380][ T1032] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 115.680891][ T1032] RSP: 002b:00007fffbc180288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.681421][ T1032] RAX: ffffffffffffffda RBX: 00007fffbc1809b0 RCX: 00007fdc3490f1e7 [ 115.682031][ T1032] RDX: 0000000000000000 RSI: 00007fffbc1802f0 RDI: 0000000000000005 [ 115.682585][ T1032] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 115.683214][ T1032] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffbc1809e8 [ 115.683773][ T1032] R13: 00000000686e0b69 R14: 0000000000499600 R15: 0000000000000000 | [ 115.857545][ T1033] ------------[ cut here ]------------ | [ 115.857919][ T1033] WARNING: CPU: 1 PID: 1033 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 115.858591][ T1033] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 115.859807][ T1033] Tainted: [W]=WARN [ 115.860044][ T1033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.860442][ T1033] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 115.860766][ T1033] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 115.861886][ T1033] RSP: 0018:ffffc900004f7080 EFLAGS: 00010246 [ 115.862279][ T1033] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 115.862764][ T1033] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 115.863271][ T1033] RBP: ffffc900004f7168 R08: 0000000000000000 R09: 0000000000000000 [ 115.863940][ T1033] R10: ffffc900004f7198 R11: ffffffff924a8918 R12: 1ffff9200009ee14 [ 115.864582][ T1033] R13: 00000000000005dc R14: ffffc900004f7198 R15: ffff88800ec2af08 [ 115.865080][ T1033] FS: 00007fec5bb21800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 115.865798][ T1033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.866193][ T1033] CR2: 00000000004a1738 CR3: 0000000002b0c003 CR4: 0000000000772ef0 [ 115.866822][ T1033] PKRU: 55555554 [ 115.867088][ T1033] Call Trace: [ 115.867326][ T1033] [ 115.867644][ T1033] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.867969][ T1033] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 115.868281][ T1033] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 115.868823][ T1033] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 115.869142][ T1033] netif_set_mtu (net/core/dev.c:9652) [ 115.869610][ T1033] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 115.869941][ T1033] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 115.870383][ T1033] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 115.870787][ T1033] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 115.871253][ T1033] br_add_if (net/bridge/br_if.c:697) bridge [ 115.871778][ T1033] do_set_master (net/core/rtnetlink.c:2948) [ 115.872095][ T1033] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 115.872562][ T1033] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 115.872884][ T1033] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 115.873203][ T1033] ? __dev_get_by_name (net/core/dev.c:865) [ 115.873676][ T1033] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.873993][ T1033] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.874329][ T1033] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.874841][ T1033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.875234][ T1033] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 115.875739][ T1033] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.876059][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.876381][ T1033] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.876730][ T1033] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.877050][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.877364][ T1033] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.877691][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.878029][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.878349][ T1033] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.878682][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.879024][ T1033] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.879365][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.879692][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 115.880020][ T1033] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 115.880357][ T1033] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.880684][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.881005][ T1033] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.881324][ T1033] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.881647][ T1033] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.881973][ T1033] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.882292][ T1033] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.882614][ T1033] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.883027][ T1033] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 115.883358][ T1033] ___sys_sendmsg (net/socket.c:2670) [ 115.883687][ T1033] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.884001][ T1033] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 115.884333][ T1033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.884653][ T1033] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 115.884977][ T1033] ? __handle_mm_fault (mm/memory.c:6212) [ 115.885326][ T1033] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 115.885655][ T1033] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 115.885988][ T1033] __sys_sendmsg (net/socket.c:2700) [ 115.886303][ T1033] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.886630][ T1033] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 115.886964][ T1033] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 115.887295][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.887621][ T1033] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.887936][ T1033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.888323][ T1033] RIP: 0033:0x7fec5bcee1e7 [ 115.888663][ T1033] Code: Unable to access opcode bytes at 0x7fec5bcee1bd. Code starting with the faulting instruction =========================================== [ 115.889110][ T1033] RSP: 002b:00007ffd329554a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.889598][ T1033] RAX: ffffffffffffffda RBX: 00007ffd32955bd0 RCX: 00007fec5bcee1e7 [ 115.890067][ T1033] RDX: 0000000000000000 RSI: 00007ffd32955510 RDI: 0000000000000005 [ 115.890547][ T1033] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 115.891024][ T1033] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd32955c08 [ 115.891504][ T1033] R13: 00000000686e0b69 R14: 0000000000499600 R15: 0000000000000000 | [ 116.042992][ T1035] ------------[ cut here ]------------ | [ 116.043325][ T1035] WARNING: CPU: 2 PID: 1035 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 116.044075][ T1035] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 116.045273][ T1035] Tainted: [W]=WARN [ 116.045547][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.045959][ T1035] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 116.046310][ T1035] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 116.047497][ T1035] RSP: 0018:ffffc900006b7080 EFLAGS: 00010246 [ 116.047957][ T1035] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 116.048462][ T1035] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 116.048986][ T1035] RBP: ffffc900006b7168 R08: 0000000000000000 R09: 0000000000000000 [ 116.049490][ T1035] R10: ffffc900006b7198 R11: ffffffff924a8918 R12: 1ffff920000d6e14 [ 116.049981][ T1035] R13: 00000000000005dc R14: ffffc900006b7198 R15: ffff88800ec2af08 [ 116.050490][ T1035] FS: 00007f27081b0800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 116.051061][ T1035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.051482][ T1035] CR2: 00000000004a1738 CR3: 0000000009100005 CR4: 0000000000772ef0 [ 116.051980][ T1035] PKRU: 55555554 [ 116.052235][ T1035] Call Trace: [ 116.052503][ T1035] [ 116.052726][ T1035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.053070][ T1035] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 116.053414][ T1035] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 116.053824][ T1035] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 116.054160][ T1035] netif_set_mtu (net/core/dev.c:9652) [ 116.054520][ T1035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 116.054876][ T1035] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 116.055340][ T1035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 116.055612][ T1035] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 116.056065][ T1035] br_add_if (net/bridge/br_if.c:697) bridge [ 116.056448][ T1035] do_set_master (net/core/rtnetlink.c:2948) [ 116.056815][ T1035] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 116.057155][ T1035] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 116.057500][ T1035] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 116.057831][ T1035] ? __dev_get_by_name (net/core/dev.c:865) [ 116.058175][ T1035] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.058518][ T1035] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.058867][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.059197][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.059545][ T1035] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 116.059915][ T1035] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.060251][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.060614][ T1035] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.060942][ T1035] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.061283][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.061632][ T1035] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.061977][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.062328][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.062687][ T1035] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.063041][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.063386][ T1035] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.063786][ T1035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.064131][ T1035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 116.064506][ T1035] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 116.064854][ T1035] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.065202][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.065563][ T1035] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.065913][ T1035] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.066262][ T1035] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.066639][ T1035] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.066980][ T1035] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.067311][ T1035] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.067778][ T1035] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 116.068118][ T1035] ___sys_sendmsg (net/socket.c:2670) [ 116.068460][ T1035] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.068813][ T1035] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 116.069149][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.069486][ T1035] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 116.070055][ T1035] ? __handle_mm_fault (mm/memory.c:6212) [ 116.070385][ T1035] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 116.070722][ T1035] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 116.071071][ T1035] __sys_sendmsg (net/socket.c:2700) [ 116.071883][ T1035] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.072229][ T1035] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 116.072587][ T1035] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 116.072951][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.073288][ T1035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.073632][ T1035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.074038][ T1035] RIP: 0033:0x7f270837d1e7 [ 116.074400][ T1035] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 116.075796][ T1035] RSP: 002b:00007ffd0e0e7d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.076294][ T1035] RAX: ffffffffffffffda RBX: 00007ffd0e0e8440 RCX: 00007f270837d1e7 [ 116.076826][ T1035] RDX: 0000000000000000 RSI: 00007ffd0e0e7d80 RDI: 0000000000000005 [ 116.077318][ T1035] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 116.077852][ T1035] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0e0e8478 [ 116.079062][ T1035] R13: 00000000686e0b69 R14: 0000000000499600 R15: 0000000000000000 | [ 116.239370][ T1038] ------------[ cut here ]------------ | [ 116.240338][ T1038] WARNING: CPU: 2 PID: 1038 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 116.240986][ T1038] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 116.242210][ T1038] Tainted: [W]=WARN [ 116.242477][ T1038] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.242893][ T1038] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 116.243231][ T1038] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 116.244410][ T1038] RSP: 0018:ffffc900006c7080 EFLAGS: 00010246 [ 116.244821][ T1038] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 116.245311][ T1038] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 116.245845][ T1038] RBP: ffffc900006c7168 R08: 0000000000000000 R09: 0000000000000000 [ 116.246343][ T1038] R10: ffffc900006c7198 R11: ffffffff924a8918 R12: 1ffff920000d8e14 [ 116.246847][ T1038] R13: 00000000000005dc R14: ffffc900006c7198 R15: ffff88800ec2af08 [ 116.247336][ T1038] FS: 00007fc899de5800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 116.247962][ T1038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.248380][ T1038] CR2: 00000000004a1738 CR3: 0000000009391001 CR4: 0000000000772ef0 [ 116.248887][ T1038] PKRU: 55555554 [ 116.249147][ T1038] Call Trace: [ 116.249405][ T1038] [ 116.249612][ T1038] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.249974][ T1038] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 116.250312][ T1038] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 116.250733][ T1038] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 116.251074][ T1038] netif_set_mtu (net/core/dev.c:9652) [ 116.251413][ T1038] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 116.251761][ T1038] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 116.252216][ T1038] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 116.252481][ T1038] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 116.252951][ T1038] br_add_if (net/bridge/br_if.c:697) bridge [ 116.253340][ T1038] do_set_master (net/core/rtnetlink.c:2948) [ 116.253733][ T1038] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 116.254076][ T1038] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 116.254436][ T1038] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 116.254769][ T1038] ? __dev_get_by_name (net/core/dev.c:865) [ 116.255097][ T1038] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.255449][ T1038] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.255786][ T1038] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.256120][ T1038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.256468][ T1038] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 116.256809][ T1038] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.257144][ T1038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.257500][ T1038] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.257861][ T1038] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.258191][ T1038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.258540][ T1038] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.258899][ T1038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.259233][ T1038] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.259581][ T1038] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.259937][ T1038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.260267][ T1038] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.260619][ T1038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.260953][ T1038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 116.261287][ T1038] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 116.261646][ T1038] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.261996][ T1038] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.262330][ T1038] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.262674][ T1038] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.263003][ T1038] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.263343][ T1038] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.263725][ T1038] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.264055][ T1038] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.264491][ T1038] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 116.264827][ T1038] ___sys_sendmsg (net/socket.c:2670) [ 116.265160][ T1038] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.265499][ T1038] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 116.265874][ T1038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.266220][ T1038] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 116.266569][ T1038] ? __handle_mm_fault (mm/memory.c:6212) [ 116.266898][ T1038] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 116.267238][ T1038] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 116.267594][ T1038] __sys_sendmsg (net/socket.c:2700) [ 116.267924][ T1038] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.268286][ T1038] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 116.268638][ T1038] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 116.268971][ T1038] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.269309][ T1038] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.269705][ T1038] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.270127][ T1038] RIP: 0033:0x7fc899fb21e7 [ 116.270497][ T1038] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 116.271690][ T1038] RSP: 002b:00007fffc21180e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.272198][ T1038] RAX: ffffffffffffffda RBX: 00007fffc2118810 RCX: 00007fc899fb21e7 [ 116.272701][ T1038] RDX: 0000000000000000 RSI: 00007fffc2118150 RDI: 0000000000000005 [ 116.273212][ T1038] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 116.273740][ T1038] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc2118848 [ 116.274272][ T1038] R13: 00000000686e0b69 R14: 0000000000499600 R15: 0000000000000000 | [ 116.442693][ T1040] ------------[ cut here ]------------ | [ 116.443012][ T1040] WARNING: CPU: 3 PID: 1040 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 116.443972][ T1040] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 116.445169][ T1040] Tainted: [W]=WARN [ 116.445420][ T1040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.445821][ T1040] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 116.446179][ T1040] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 116.447641][ T1040] RSP: 0018:ffffc90000747080 EFLAGS: 00010246 [ 116.448196][ T1040] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 116.448832][ T1040] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 116.449585][ T1040] RBP: ffffc90000747168 R08: 0000000000000000 R09: 0000000000000000 [ 116.450451][ T1040] R10: ffffc90000747198 R11: ffffffff924a8918 R12: 1ffff920000e8e14 [ 116.451045][ T1040] R13: 00000000000005dc R14: ffffc90000747198 R15: ffff88800ec2af08 [ 116.451578][ T1040] FS: 00007fafcf970800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 116.452343][ T1040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.452885][ T1040] CR2: 00000000004a1738 CR3: 0000000009ffb004 CR4: 0000000000772ef0 [ 116.453384][ T1040] PKRU: 55555554 [ 116.453656][ T1040] Call Trace: [ 116.453967][ T1040] [ 116.454149][ T1040] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.454518][ T1040] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 116.454843][ T1040] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 116.455349][ T1040] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 116.455693][ T1040] netif_set_mtu (net/core/dev.c:9652) [ 116.456014][ T1040] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 116.456362][ T1040] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 116.456815][ T1040] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 116.457056][ T1040] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 116.457511][ T1040] br_add_if (net/bridge/br_if.c:697) bridge [ 116.457879][ T1040] do_set_master (net/core/rtnetlink.c:2948) [ 116.458234][ T1040] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 116.458644][ T1040] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 116.459012][ T1040] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 116.459482][ T1040] ? __dev_get_by_name (net/core/dev.c:865) [ 116.459805][ T1040] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.460198][ T1040] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.460557][ T1040] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.460870][ T1040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.461214][ T1040] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 116.461649][ T1040] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.462001][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.462408][ T1040] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.462800][ T1040] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.463226][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.463560][ T1040] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.463880][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.464227][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.464561][ T1040] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.464898][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.465331][ T1040] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.465758][ T1040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.466153][ T1040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 116.466542][ T1040] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 116.466916][ T1040] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.467322][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.467667][ T1040] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.468017][ T1040] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.468349][ T1040] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.468702][ T1040] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.469024][ T1040] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.469354][ T1040] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.469830][ T1040] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 116.470223][ T1040] ___sys_sendmsg (net/socket.c:2670) [ 116.470631][ T1040] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.471025][ T1040] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 116.471528][ T1040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.471851][ T1040] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 116.472247][ T1040] ? __handle_mm_fault (mm/memory.c:6212) [ 116.472639][ T1040] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 116.472991][ T1040] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 116.473351][ T1040] __sys_sendmsg (net/socket.c:2700) [ 116.473685][ T1040] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.474002][ T1040] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 116.474349][ T1040] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 116.474680][ T1040] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.475006][ T1040] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.475326][ T1040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.475746][ T1040] RIP: 0033:0x7fafcfb3d1e7 [ 116.476083][ T1040] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 116.477255][ T1040] RSP: 002b:00007fffe1816938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.477738][ T1040] RAX: ffffffffffffffda RBX: 00007fffe1817060 RCX: 00007fafcfb3d1e7 [ 116.478212][ T1040] RDX: 0000000000000000 RSI: 00007fffe18169a0 RDI: 0000000000000005 [ 116.478698][ T1040] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 116.479170][ T1040] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe1817098 [ 116.479648][ T1040] R13: 00000000686e0b6a R14: 0000000000499600 R15: 0000000000000000 | [ 116.629028][ T1041] ------------[ cut here ]------------ | [ 116.629385][ T1041] WARNING: CPU: 2 PID: 1041 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 116.630094][ T1041] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 116.631313][ T1041] Tainted: [W]=WARN [ 116.631647][ T1041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.632091][ T1041] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 116.632486][ T1041] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 116.633657][ T1041] RSP: 0018:ffffc90000747080 EFLAGS: 00010246 [ 116.634082][ T1041] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 116.634665][ T1041] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 116.635284][ T1041] RBP: ffffc90000747168 R08: 0000000000000000 R09: 0000000000000000 [ 116.635810][ T1041] R10: ffffc90000747198 R11: ffffffff924a8918 R12: 1ffff920000e8e14 [ 116.636402][ T1041] R13: 00000000000005dc R14: ffffc90000747198 R15: ffff88800ec2af08 [ 116.636908][ T1041] FS: 00007f76a818e800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 116.637508][ T1041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.638019][ T1041] CR2: 00000000004a1738 CR3: 000000000f42a006 CR4: 0000000000772ef0 [ 116.638595][ T1041] PKRU: 55555554 [ 116.638899][ T1041] Call Trace: [ 116.639162][ T1041] [ 116.639342][ T1041] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.639705][ T1041] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 116.640048][ T1041] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 116.640612][ T1041] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 116.640947][ T1041] netif_set_mtu (net/core/dev.c:9652) [ 116.641347][ T1041] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 116.641757][ T1041] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 116.642297][ T1041] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 116.642644][ T1041] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 116.643164][ T1041] br_add_if (net/bridge/br_if.c:697) bridge [ 116.643615][ T1041] do_set_master (net/core/rtnetlink.c:2948) [ 116.644004][ T1041] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 116.644487][ T1041] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 116.644910][ T1041] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 116.645276][ T1041] ? __dev_get_by_name (net/core/dev.c:865) [ 116.645670][ T1041] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.646012][ T1041] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.646355][ T1041] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.646704][ T1041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.647041][ T1041] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 116.647380][ T1041] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.647739][ T1041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.648127][ T1041] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.648474][ T1041] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.648828][ T1041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.649219][ T1041] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.649640][ T1041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.650025][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.650480][ T1041] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.650874][ T1041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.651318][ T1041] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.651815][ T1041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.652285][ T1041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 116.652639][ T1041] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 116.653067][ T1041] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.653496][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.653918][ T1041] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.654411][ T1041] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.654774][ T1041] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.655122][ T1041] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.655479][ T1041] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.655812][ T1041] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.656244][ T1041] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 116.656646][ T1041] ___sys_sendmsg (net/socket.c:2670) [ 116.656994][ T1041] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.657335][ T1041] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 116.657709][ T1041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.658047][ T1041] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 116.658420][ T1041] ? __handle_mm_fault (mm/memory.c:6212) [ 116.658781][ T1041] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 116.659131][ T1041] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 116.659518][ T1041] __sys_sendmsg (net/socket.c:2700) [ 116.659874][ T1041] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.660260][ T1041] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 116.660633][ T1041] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 116.660982][ T1041] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.661340][ T1041] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.661695][ T1041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.662125][ T1041] RIP: 0033:0x7f76a835b1e7 [ 116.662499][ T1041] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 116.663698][ T1041] RSP: 002b:00007fffb57f4c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.664209][ T1041] RAX: ffffffffffffffda RBX: 00007fffb57f53b0 RCX: 00007f76a835b1e7 [ 116.664781][ T1041] RDX: 0000000000000000 RSI: 00007fffb57f4cf0 RDI: 0000000000000005 [ 116.665284][ T1041] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 116.665781][ T1041] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb57f53e8 [ 116.666284][ T1041] R13: 00000000686e0b6a R14: 0000000000499600 R15: 0000000000000000 | [ 116.874725][ T1043] ------------[ cut here ]------------ | [ 116.875075][ T1043] WARNING: CPU: 2 PID: 1043 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 116.875766][ T1043] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 116.877033][ T1043] Tainted: [W]=WARN [ 116.877307][ T1043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.877751][ T1043] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 116.878105][ T1043] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 116.879320][ T1043] RSP: 0018:ffffc90000757080 EFLAGS: 00010246 [ 116.879768][ T1043] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 116.880291][ T1043] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 116.880815][ T1043] RBP: ffffc90000757168 R08: 0000000000000000 R09: 0000000000000000 [ 116.881340][ T1043] R10: ffffc90000757198 R11: ffffffff924a8918 R12: 1ffff920000eae14 [ 116.881868][ T1043] R13: 00000000000005dc R14: ffffc90000757198 R15: ffff88800ec2af08 [ 116.882381][ T1043] FS: 00007f55345db800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 116.882995][ T1043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.883442][ T1043] CR2: 00000000004a1738 CR3: 000000000f42a002 CR4: 0000000000772ef0 [ 116.883959][ T1043] PKRU: 55555554 [ 116.884237][ T1043] Call Trace: [ 116.884520][ T1043] [ 116.884711][ T1043] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.885071][ T1043] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 116.885443][ T1043] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 116.885881][ T1043] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 116.886231][ T1043] netif_set_mtu (net/core/dev.c:9652) [ 116.886631][ T1043] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 116.886999][ T1043] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 116.887514][ T1043] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 116.887793][ T1043] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 116.888267][ T1043] br_add_if (net/bridge/br_if.c:697) bridge [ 116.888676][ T1043] do_set_master (net/core/rtnetlink.c:2948) [ 116.889026][ T1043] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 116.889387][ T1043] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 116.889747][ T1043] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 116.890093][ T1043] ? __dev_get_by_name (net/core/dev.c:865) [ 116.890447][ T1043] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.890795][ T1043] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.891151][ T1043] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.891511][ T1043] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.891872][ T1043] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 116.892234][ T1043] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.892599][ T1043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.892963][ T1043] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.893314][ T1043] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.893672][ T1043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.894018][ T1043] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.894379][ T1043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.894753][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.895106][ T1043] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.895474][ T1043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.895820][ T1043] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.896181][ T1043] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.896536][ T1043] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 116.896896][ T1043] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 116.897247][ T1043] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.897604][ T1043] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.897958][ T1043] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.898331][ T1043] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.898695][ T1043] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.899052][ T1043] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.899425][ T1043] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.899773][ T1043] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.900205][ T1043] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 116.900570][ T1043] ___sys_sendmsg (net/socket.c:2670) [ 116.900923][ T1043] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.901275][ T1043] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 116.901654][ T1043] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.902004][ T1043] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 116.902361][ T1043] ? __handle_mm_fault (mm/memory.c:6212) [ 116.902719][ T1043] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 116.903066][ T1043] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 116.903434][ T1043] __sys_sendmsg (net/socket.c:2700) [ 116.903785][ T1043] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.904136][ T1043] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 116.904515][ T1043] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 116.904867][ T1043] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.905222][ T1043] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.905579][ T1043] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.906010][ T1043] RIP: 0033:0x7f55347a81e7 [ 116.906371][ T1043] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 116.907596][ T1043] RSP: 002b:00007ffd0f267688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.908119][ T1043] RAX: ffffffffffffffda RBX: 00007ffd0f267db0 RCX: 00007f55347a81e7 [ 116.908655][ T1043] RDX: 0000000000000000 RSI: 00007ffd0f2676f0 RDI: 0000000000000005 [ 116.909173][ T1043] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 116.909709][ T1043] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0f267de8 [ 116.910231][ T1043] R13: 00000000686e0b6a R14: 0000000000499600 R15: 0000000000000000 | [ 117.042683][ T1045] ------------[ cut here ]------------ | [ 117.043031][ T1045] WARNING: CPU: 0 PID: 1045 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 117.043785][ T1045] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 117.045073][ T1045] Tainted: [W]=WARN [ 117.045334][ T1045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 117.045770][ T1045] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 117.046122][ T1045] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 117.047360][ T1045] RSP: 0018:ffffc90000777080 EFLAGS: 00010246 [ 117.047811][ T1045] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 117.048334][ T1045] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 117.048858][ T1045] RBP: ffffc90000777168 R08: 0000000000000000 R09: 0000000000000000 [ 117.049367][ T1045] R10: ffffc90000777198 R11: ffffffff924a8918 R12: 1ffff920000eee14 [ 117.049864][ T1045] R13: 00000000000005dc R14: ffffc90000777198 R15: ffff88800ec2af08 [ 117.050348][ T1045] FS: 00007f1ffbc7b800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 117.050931][ T1045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.051347][ T1045] CR2: 00000000004a1738 CR3: 000000000f42a001 CR4: 0000000000772ef0 [ 117.051851][ T1045] PKRU: 55555554 [ 117.052096][ T1045] Call Trace: [ 117.052341][ T1045] [ 117.052537][ T1045] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 117.052869][ T1045] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 117.053203][ T1045] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 117.053619][ T1045] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 117.053953][ T1045] netif_set_mtu (net/core/dev.c:9652) [ 117.054290][ T1045] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 117.054639][ T1045] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 117.055101][ T1045] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 117.055351][ T1045] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 117.055826][ T1045] br_add_if (net/bridge/br_if.c:697) bridge [ 117.056208][ T1045] do_set_master (net/core/rtnetlink.c:2948) [ 117.056544][ T1045] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 117.056872][ T1045] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 117.057197][ T1045] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 117.057531][ T1045] ? __dev_get_by_name (net/core/dev.c:865) [ 117.057859][ T1045] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.058188][ T1045] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.058559][ T1045] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 117.058889][ T1045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.059232][ T1045] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 117.059586][ T1045] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 117.059927][ T1045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.060281][ T1045] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 117.060635][ T1045] ? __lock_release (kernel/locking/lockdep.c:5539) [ 117.060975][ T1045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.061328][ T1045] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 117.061688][ T1045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.062041][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.062399][ T1045] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 117.062741][ T1045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.063092][ T1045] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 117.063454][ T1045] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 117.063801][ T1045] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 117.064151][ T1045] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 117.064519][ T1045] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 117.064860][ T1045] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.065203][ T1045] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 117.065552][ T1045] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 117.065891][ T1045] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 117.066255][ T1045] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 117.066629][ T1045] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 117.067011][ T1045] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 117.067426][ T1045] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 117.067773][ T1045] ___sys_sendmsg (net/socket.c:2670) [ 117.068105][ T1045] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 117.068452][ T1045] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 117.068787][ T1045] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.069111][ T1045] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 117.069455][ T1045] ? __handle_mm_fault (mm/memory.c:6212) [ 117.069791][ T1045] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 117.070119][ T1045] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 117.070471][ T1045] __sys_sendmsg (net/socket.c:2700) [ 117.070805][ T1045] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 117.071135][ T1045] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 117.071485][ T1045] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 117.071829][ T1045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 117.072171][ T1045] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 117.072513][ T1045] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 117.072921][ T1045] RIP: 0033:0x7f1ffbe481e7 [ 117.073269][ T1045] Code: Unable to access opcode bytes at 0x7f1ffbe481bd. Code starting with the faulting instruction =========================================== [ 117.073730][ T1045] RSP: 002b:00007ffe27b36618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 117.074265][ T1045] RAX: ffffffffffffffda RBX: 00007ffe27b36d40 RCX: 00007f1ffbe481e7 [ 117.074790][ T1045] RDX: 0000000000000000 RSI: 00007ffe27b36680 RDI: 0000000000000005 [ 117.075298][ T1045] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 117.075816][ T1045] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe27b36d78 [ 117.076300][ T1045] R13: 00000000686e0b6a R14: 0000000000499600 R15: 0000000000000000 | [ 117.254644][ T1048] ------------[ cut here ]------------ | [ 117.255005][ T1048] WARNING: CPU: 3 PID: 1048 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 117.255736][ T1048] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 117.257085][ T1048] Tainted: [W]=WARN [ 117.257339][ T1048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 117.257774][ T1048] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 117.258132][ T1048] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 117.259356][ T1048] RSP: 0000:ffffc90000797080 EFLAGS: 00010246 [ 117.259794][ T1048] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 117.260312][ T1048] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 117.260826][ T1048] RBP: ffffc90000797168 R08: 0000000000000000 R09: 0000000000000000 [ 117.261346][ T1048] R10: ffffc90000797198 R11: ffffffff924a8918 R12: 1ffff920000f2e14 [ 117.261871][ T1048] R13: 00000000000005dc R14: ffffc90000797198 R15: ffff88800ec2af08 [ 117.262385][ T1048] FS: 00007f530dbb6800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 117.262995][ T1048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.263447][ T1048] CR2: 00007f96699ed5a0 CR3: 0000000009ffc002 CR4: 0000000000772ef0 [ 117.263979][ T1048] PKRU: 55555554 [ 117.264248][ T1048] Call Trace: [ 117.264516][ T1048] [ 117.264696][ T1048] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 117.265054][ T1048] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 117.265451][ T1048] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 117.265904][ T1048] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 117.266267][ T1048] netif_set_mtu (net/core/dev.c:9652) [ 117.266633][ T1048] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 117.266993][ T1048] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 117.267493][ T1048] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 117.267768][ T1048] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 117.268252][ T1048] br_add_if (net/bridge/br_if.c:697) bridge [ 117.268666][ T1048] do_set_master (net/core/rtnetlink.c:2948) [ 117.269029][ T1048] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 117.269401][ T1048] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 117.269760][ T1048] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 117.270149][ T1048] ? __dev_get_by_name (net/core/dev.c:865) [ 117.270514][ T1048] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.270870][ T1048] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.271235][ T1048] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 117.271595][ T1048] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.271961][ T1048] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 117.272324][ T1048] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 117.272691][ T1048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.273061][ T1048] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 117.273425][ T1048] ? __lock_release (kernel/locking/lockdep.c:5539) [ 117.273794][ T1048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.274148][ T1048] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 117.274527][ T1048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.274896][ T1048] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.275266][ T1048] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 117.275638][ T1048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.275998][ T1048] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 117.276369][ T1048] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 117.276727][ T1048] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 117.277084][ T1048] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 117.277459][ T1048] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 117.277823][ T1048] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.278197][ T1048] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 117.278561][ T1048] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 117.278917][ T1048] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 117.279277][ T1048] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 117.279643][ T1048] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 117.279999][ T1048] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 117.280461][ T1048] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 117.280820][ T1048] ___sys_sendmsg (net/socket.c:2670) [ 117.281175][ T1048] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 117.281537][ T1048] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 117.281889][ T1048] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.282236][ T1048] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 117.282597][ T1048] ? __handle_mm_fault (mm/memory.c:6212) [ 117.282943][ T1048] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 117.283294][ T1048] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 117.283677][ T1048] __sys_sendmsg (net/socket.c:2700) [ 117.284030][ T1048] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 117.284410][ T1048] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 117.284767][ T1048] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 117.285119][ T1048] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 117.285488][ T1048] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 117.285850][ T1048] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 117.286299][ T1048] RIP: 0033:0x7f530dd831e7 [ 117.286689][ T1048] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 117.287969][ T1048] RSP: 002b:00007ffe6ce4a188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 117.288510][ T1048] RAX: ffffffffffffffda RBX: 00007ffe6ce4a8b0 RCX: 00007f530dd831e7 [ 117.289044][ T1048] RDX: 0000000000000000 RSI: 00007ffe6ce4a1f0 RDI: 0000000000000005 [ 117.289586][ T1048] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 117.290114][ T1048] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe6ce4a8e8 [ 117.290654][ T1048] R13: 00000000686e0b6a R14: 0000000000499600 R15: 0000000000000000 | [ 117.460628][ T1049] ------------[ cut here ]------------ | [ 117.460989][ T1049] WARNING: CPU: 0 PID: 1049 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 117.461778][ T1049] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 117.463076][ T1049] Tainted: [W]=WARN [ 117.463352][ T1049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 117.463813][ T1049] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 117.464181][ T1049] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 117.465476][ T1049] RSP: 0018:ffffc90000797080 EFLAGS: 00010246 [ 117.465942][ T1049] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 117.466485][ T1049] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 117.467025][ T1049] RBP: ffffc90000797168 R08: 0000000000000000 R09: 0000000000000000 [ 117.467560][ T1049] R10: ffffc90000797198 R11: ffffffff924a8918 R12: 1ffff920000f2e14 [ 117.468111][ T1049] R13: 00000000000005dc R14: ffffc90000797198 R15: ffff88800ec2af08 [ 117.468657][ T1049] FS: 00007ff62a939800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 117.469293][ T1049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.469744][ T1049] CR2: 00000000004a1738 CR3: 000000000f5b2005 CR4: 0000000000772ef0 [ 117.470259][ T1049] PKRU: 55555554 [ 117.470519][ T1049] Call Trace: [ 117.470773][ T1049] [ 117.470948][ T1049] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 117.471291][ T1049] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 117.471638][ T1049] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 117.472082][ T1049] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 117.472449][ T1049] netif_set_mtu (net/core/dev.c:9652) [ 117.472813][ T1049] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 117.473181][ T1049] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 117.473685][ T1049] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 117.473953][ T1049] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 117.474455][ T1049] br_add_if (net/bridge/br_if.c:697) bridge [ 117.474861][ T1049] do_set_master (net/core/rtnetlink.c:2948) [ 117.475223][ T1049] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 117.475598][ T1049] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 117.475954][ T1049] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 117.476311][ T1049] ? __dev_get_by_name (net/core/dev.c:865) [ 117.476672][ T1049] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.477034][ T1049] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.477406][ T1049] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 117.477762][ T1049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.478127][ T1049] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 117.478505][ T1049] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 117.478871][ T1049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.479237][ T1049] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 117.479604][ T1049] ? __lock_release (kernel/locking/lockdep.c:5539) [ 117.479958][ T1049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.480309][ T1049] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 117.480669][ T1049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.481032][ T1049] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.481402][ T1049] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 117.481766][ T1049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.482119][ T1049] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 117.482496][ T1049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 117.482860][ T1049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 117.483220][ T1049] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 117.483592][ T1049] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 117.483944][ T1049] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.484312][ T1049] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 117.484672][ T1049] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 117.485021][ T1049] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 117.485376][ T1049] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 117.485736][ T1049] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 117.486122][ T1049] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 117.486583][ T1049] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 117.486946][ T1049] ___sys_sendmsg (net/socket.c:2670) [ 117.487298][ T1049] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 117.487658][ T1049] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 117.488012][ T1049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.488356][ T1049] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 117.488719][ T1049] ? __handle_mm_fault (mm/memory.c:6212) [ 117.489072][ T1049] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 117.489430][ T1049] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 117.489798][ T1049] __sys_sendmsg (net/socket.c:2700) [ 117.490149][ T1049] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 117.490505][ T1049] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 117.490864][ T1049] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 117.491224][ T1049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 117.491586][ T1049] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 117.491929][ T1049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 117.492356][ T1049] RIP: 0033:0x7ff62ab061e7 [ 117.492725][ T1049] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 117.493984][ T1049] RSP: 002b:00007ffe43e7be68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 117.494556][ T1049] RAX: ffffffffffffffda RBX: 00007ffe43e7c590 RCX: 00007ff62ab061e7 [ 117.495083][ T1049] RDX: 0000000000000000 RSI: 00007ffe43e7bed0 RDI: 0000000000000005 [ 117.495617][ T1049] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 117.496144][ T1049] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe43e7c5c8 [ 117.496687][ T1049] R13: 00000000686e0b6b R14: 0000000000499600 R15: 0000000000000000 | [ 117.661566][ T1051] ------------[ cut here ]------------ | [ 117.661949][ T1051] WARNING: CPU: 2 PID: 1051 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 117.662683][ T1051] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 117.664032][ T1051] Tainted: [W]=WARN [ 117.664339][ T1051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 117.664816][ T1051] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 117.665189][ T1051] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 117.666478][ T1051] RSP: 0018:ffffc90000737080 EFLAGS: 00010246 [ 117.666954][ T1051] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 117.667495][ T1051] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 117.668049][ T1051] RBP: ffffc90000737168 R08: 0000000000000000 R09: 0000000000000000 [ 117.668583][ T1051] R10: ffffc90000737198 R11: ffffffff924a8918 R12: 1ffff920000e6e14 [ 117.669117][ T1051] R13: 00000000000005dc R14: ffffc90000737198 R15: ffff88800ec2af08 [ 117.669667][ T1051] FS: 00007fdfa1176800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 117.670286][ T1051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.670744][ T1051] CR2: 00000000004a1738 CR3: 000000000f15e006 CR4: 0000000000772ef0 [ 117.671292][ T1051] PKRU: 55555554 [ 117.671572][ T1051] Call Trace: [ 117.671846][ T1051] [ 117.672031][ T1051] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 117.672401][ T1051] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 117.672768][ T1051] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 117.673208][ T1051] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 117.673572][ T1051] netif_set_mtu (net/core/dev.c:9652) [ 117.673931][ T1051] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 117.674319][ T1051] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 117.674816][ T1051] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 117.675084][ T1051] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 117.675574][ T1051] br_add_if (net/bridge/br_if.c:697) bridge [ 117.675977][ T1051] do_set_master (net/core/rtnetlink.c:2948) [ 117.676340][ T1051] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 117.676698][ T1051] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 117.677055][ T1051] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 117.677414][ T1051] ? __dev_get_by_name (net/core/dev.c:865) [ 117.677776][ T1051] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.678353][ T1051] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.678725][ T1051] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 117.679077][ T1051] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.679448][ T1051] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 117.679823][ T1051] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 117.680180][ T1051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.680549][ T1051] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 117.680904][ T1051] ? __lock_release (kernel/locking/lockdep.c:5539) [ 117.681261][ T1051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.681622][ T1051] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 117.681998][ T1051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.682364][ T1051] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.682755][ T1051] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 117.683113][ T1051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.683473][ T1051] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 117.683848][ T1051] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 117.684213][ T1051] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 117.684584][ T1051] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 117.684968][ T1051] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 117.685329][ T1051] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.685684][ T1051] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 117.686043][ T1051] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 117.686409][ T1051] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 117.686776][ T1051] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 117.687137][ T1051] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 117.687518][ T1051] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 117.687979][ T1051] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 117.688334][ T1051] ___sys_sendmsg (net/socket.c:2670) [ 117.688710][ T1051] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 117.689096][ T1051] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 117.689474][ T1051] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.689840][ T1051] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 117.690199][ T1051] ? __handle_mm_fault (mm/memory.c:6212) [ 117.690583][ T1051] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 117.690953][ T1051] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 117.691339][ T1051] __sys_sendmsg (net/socket.c:2700) [ 117.691734][ T1051] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 117.692096][ T1051] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 117.692498][ T1051] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 117.692872][ T1051] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 117.693260][ T1051] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 117.693631][ T1051] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 117.694087][ T1051] RIP: 0033:0x7fdfa13431e7 [ 117.694487][ T1051] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 117.695777][ T1051] RSP: 002b:00007fff3dead4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 117.696328][ T1051] RAX: ffffffffffffffda RBX: 00007fff3deadc00 RCX: 00007fdfa13431e7 [ 117.696893][ T1051] RDX: 0000000000000000 RSI: 00007fff3dead540 RDI: 0000000000000005 [ 117.697431][ T1051] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 117.697975][ T1051] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff3deadc38 [ 117.698532][ T1051] R13: 00000000686e0b6b R14: 0000000000499600 R15: 0000000000000000 | [ 117.904985][ T1054] ------------[ cut here ]------------ | [ 117.905366][ T1054] WARNING: CPU: 0 PID: 1054 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 117.906156][ T1054] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 117.907503][ T1054] Tainted: [W]=WARN [ 117.907779][ T1054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 117.908240][ T1054] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 117.908619][ T1054] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 117.909911][ T1054] RSP: 0018:ffffc90000797080 EFLAGS: 00010246 [ 117.910381][ T1054] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 117.910939][ T1054] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 117.911485][ T1054] RBP: ffffc90000797168 R08: 0000000000000000 R09: 0000000000000000 [ 117.912030][ T1054] R10: ffffc90000797198 R11: ffffffff924a8918 R12: 1ffff920000f2e14 [ 117.912576][ T1054] R13: 00000000000005dc R14: ffffc90000797198 R15: ffff88800ec2af08 [ 117.913111][ T1054] FS: 00007f8ad4157800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 117.913731][ T1054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.914175][ T1054] CR2: 00000000004a1738 CR3: 000000000f263004 CR4: 0000000000772ef0 [ 117.914738][ T1054] PKRU: 55555554 [ 117.915006][ T1054] Call Trace: [ 117.915267][ T1054] [ 117.915460][ T1054] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 117.915827][ T1054] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 117.916182][ T1054] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 117.916630][ T1054] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 117.916993][ T1054] netif_set_mtu (net/core/dev.c:9652) [ 117.917360][ T1054] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 117.917747][ T1054] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 117.918285][ T1054] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 117.918565][ T1054] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 117.919053][ T1054] br_add_if (net/bridge/br_if.c:697) bridge [ 117.919455][ T1054] do_set_master (net/core/rtnetlink.c:2948) [ 117.919814][ T1054] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 117.920198][ T1054] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 117.920579][ T1054] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 117.920934][ T1054] ? __dev_get_by_name (net/core/dev.c:865) [ 117.921294][ T1054] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.921658][ T1054] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.922014][ T1054] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 117.922369][ T1054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.922763][ T1054] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 117.923146][ T1054] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 117.923525][ T1054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.923889][ T1054] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 117.924287][ T1054] ? __lock_release (kernel/locking/lockdep.c:5539) [ 117.924685][ T1054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.925052][ T1054] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 117.925433][ T1054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.925795][ T1054] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.926156][ T1054] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 117.926536][ T1054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.926894][ T1054] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 117.927255][ T1054] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 117.927613][ T1054] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 117.927965][ T1054] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 117.928351][ T1054] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 117.928722][ T1054] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.929110][ T1054] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 117.929488][ T1054] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 117.929857][ T1054] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 117.930223][ T1054] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 117.930617][ T1054] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 117.930973][ T1054] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 117.931426][ T1054] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 117.931795][ T1054] ___sys_sendmsg (net/socket.c:2670) [ 117.932172][ T1054] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 117.932540][ T1054] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 117.932910][ T1054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.933292][ T1054] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 117.933683][ T1054] ? __handle_mm_fault (mm/memory.c:6212) [ 117.934053][ T1054] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 117.934485][ T1054] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 117.934868][ T1054] __sys_sendmsg (net/socket.c:2700) [ 117.935227][ T1054] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 117.935599][ T1054] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 117.935975][ T1054] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 117.936337][ T1054] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 117.936711][ T1054] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 117.937090][ T1054] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 117.937552][ T1054] RIP: 0033:0x7f8ad43241e7 [ 117.937942][ T1054] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 117.939268][ T1054] RSP: 002b:00007fff87e21788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 117.939822][ T1054] RAX: ffffffffffffffda RBX: 00007fff87e21eb0 RCX: 00007f8ad43241e7 [ 117.940358][ T1054] RDX: 0000000000000000 RSI: 00007fff87e217f0 RDI: 0000000000000005 [ 117.940912][ T1054] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 117.941457][ T1054] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff87e21ee8 [ 117.941987][ T1054] R13: 00000000686e0b6b R14: 0000000000499600 R15: 0000000000000000 | [ 118.115329][ T1055] ------------[ cut here ]------------ | [ 118.115737][ T1055] WARNING: CPU: 3 PID: 1055 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 118.116382][ T1055] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 118.117578][ T1055] Tainted: [W]=WARN [ 118.117825][ T1055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 118.118232][ T1055] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 118.118582][ T1055] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 118.119778][ T1055] RSP: 0018:ffffc90000727080 EFLAGS: 00010246 [ 118.120209][ T1055] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 118.120731][ T1055] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 118.121238][ T1055] RBP: ffffc90000727168 R08: 0000000000000000 R09: 0000000000000000 [ 118.121761][ T1055] R10: ffffc90000727198 R11: ffffffff924a8918 R12: 1ffff920000e4e14 [ 118.122267][ T1055] R13: 00000000000005dc R14: ffffc90000727198 R15: ffff88800ec2af08 [ 118.122959][ T1055] FS: 00007f88afa75800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 118.123676][ T1055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 118.124089][ T1055] CR2: 00000000004a1738 CR3: 000000000f263005 CR4: 0000000000772ef0 [ 118.124601][ T1055] PKRU: 55555554 [ 118.124841][ T1055] Call Trace: [ 118.125081][ T1055] [ 118.125248][ T1055] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 118.125590][ T1055] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 118.125914][ T1055] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 118.126328][ T1055] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 118.126670][ T1055] netif_set_mtu (net/core/dev.c:9652) [ 118.127001][ T1055] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 118.127347][ T1055] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 118.127834][ T1055] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 118.128114][ T1055] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 118.128879][ T1055] br_add_if (net/bridge/br_if.c:697) bridge [ 118.129520][ T1055] do_set_master (net/core/rtnetlink.c:2948) [ 118.130007][ T1055] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 118.130559][ T1055] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 118.131113][ T1055] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 118.131701][ T1055] ? __dev_get_by_name (net/core/dev.c:865) [ 118.132265][ T1055] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 118.132878][ T1055] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 118.133480][ T1055] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 118.134052][ T1055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 118.134660][ T1055] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 118.135252][ T1055] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 118.135843][ T1055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 118.136460][ T1055] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 118.137036][ T1055] ? __lock_release (kernel/locking/lockdep.c:5539) [ 118.137613][ T1055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 118.138200][ T1055] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 118.138807][ T1055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 118.139422][ T1055] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.140029][ T1055] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 118.140632][ T1055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 118.141210][ T1055] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 118.141847][ T1055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 118.142444][ T1055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 118.143034][ T1055] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 118.143640][ T1055] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 118.144241][ T1055] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.144873][ T1055] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 118.145469][ T1055] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 118.146018][ T1055] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 118.146628][ T1055] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 118.147213][ T1055] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 118.147827][ T1055] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 118.148569][ T1055] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 118.149157][ T1055] ___sys_sendmsg (net/socket.c:2670) [ 118.149772][ T1055] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 118.150350][ T1055] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 118.150959][ T1055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 118.151563][ T1055] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 118.152167][ T1055] ? __handle_mm_fault (mm/memory.c:6212) [ 118.152774][ T1055] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 118.153356][ T1055] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 118.154004][ T1055] __sys_sendmsg (net/socket.c:2700) [ 118.154640][ T1055] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 118.155216][ T1055] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 118.155832][ T1055] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 118.156422][ T1055] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 118.156993][ T1055] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 118.157578][ T1055] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 118.158281][ T1055] RIP: 0033:0x7f88afc421e7 [ 118.158874][ T1055] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 118.160937][ T1055] RSP: 002b:00007ffc7768d818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 118.161838][ T1055] RAX: ffffffffffffffda RBX: 00007ffc7768df40 RCX: 00007f88afc421e7 [ 118.162703][ T1055] RDX: 0000000000000000 RSI: 00007ffc7768d880 RDI: 0000000000000005 [ 118.163580][ T1055] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 118.164451][ T1055] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc7768df78 [ 118.165305][ T1055] R13: 00000000686e0b6b R14: 0000000000499600 R15: 0000000000000000 | [ 118.354872][ T1058] ------------[ cut here ]------------ | [ 118.355256][ T1058] WARNING: CPU: 2 PID: 1058 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 118.356060][ T1058] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 118.357374][ T1058] Tainted: [W]=WARN [ 118.357660][ T1058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 118.358115][ T1058] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 118.358507][ T1058] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 118.359769][ T1058] RSP: 0018:ffffc90000727080 EFLAGS: 00010246 [ 118.360210][ T1058] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 118.360756][ T1058] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 118.361286][ T1058] RBP: ffffc90000727168 R08: 0000000000000000 R09: 0000000000000000 [ 118.361822][ T1058] R10: ffffc90000727198 R11: ffffffff924a8918 R12: 1ffff920000e4e14 [ 118.362371][ T1058] R13: 00000000000005dc R14: ffffc90000727198 R15: ffff88800ec2af08 [ 118.362914][ T1058] FS: 00007f165b0c3800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 118.363590][ T1058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 118.364266][ T1058] CR2: 00000000004a1738 CR3: 000000000f167003 CR4: 0000000000772ef0 [ 118.365220][ T1058] PKRU: 55555554 [ 118.365687][ T1058] Call Trace: [ 118.366130][ T1058] [ 118.366449][ T1058] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 118.367066][ T1058] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 118.367675][ T1058] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 118.368422][ T1058] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 118.369079][ T1058] netif_set_mtu (net/core/dev.c:9652) [ 118.369663][ T1058] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 118.370266][ T1058] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 118.371119][ T1058] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 118.371585][ T1058] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 118.372432][ T1058] br_add_if (net/bridge/br_if.c:697) bridge [ 118.373615][ T1058] do_set_master (net/core/rtnetlink.c:2948) [ 118.374258][ T1058] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 118.374911][ T1058] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 118.375561][ T1058] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 118.376190][ T1058] ? __dev_get_by_name (net/core/dev.c:865) [ 118.376832][ T1058] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 118.377472][ T1058] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 118.378111][ T1058] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 118.378762][ T1058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 118.379432][ T1058] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 118.380089][ T1058] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 118.380755][ T1058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 118.381370][ T1058] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 118.382003][ T1058] ? __lock_release (kernel/locking/lockdep.c:5539) [ 118.382638][ T1058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 118.383236][ T1058] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 118.383846][ T1058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 118.384450][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.385085][ T1058] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 118.385660][ T1058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 118.386230][ T1058] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 118.386841][ T1058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 118.387432][ T1058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 118.388110][ T1058] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 118.388784][ T1058] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 118.389376][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.389978][ T1058] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 118.390596][ T1058] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 118.391202][ T1058] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 118.391835][ T1058] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 118.392477][ T1058] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 118.393062][ T1058] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 118.394827][ T1058] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 118.395480][ T1058] ___sys_sendmsg (net/socket.c:2670) [ 118.396139][ T1058] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 118.396773][ T1058] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 118.397423][ T1058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 118.398033][ T1058] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 118.398696][ T1058] ? __handle_mm_fault (mm/memory.c:6212) [ 118.399788][ T1058] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 118.400422][ T1058] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 118.401080][ T1058] __sys_sendmsg (net/socket.c:2700) [ 118.401713][ T1058] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 118.402364][ T1058] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 118.403023][ T1058] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 118.403670][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 118.404332][ T1058] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 118.405442][ T1058] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 118.406219][ T1058] RIP: 0033:0x7f165b2901e7 [ 118.406871][ T1058] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 118.409064][ T1058] RSP: 002b:00007ffe74159aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 118.410036][ T1058] RAX: ffffffffffffffda RBX: 00007ffe7415a1d0 RCX: 00007f165b2901e7 [ 118.412354][ T1058] RDX: 0000000000000000 RSI: 00007ffe74159b10 RDI: 0000000000000005 [ 118.413279][ T1058] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 118.414248][ T1058] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe7415a208 [ 118.415249][ T1058] R13: 00000000686e0b6b R14: 0000000000499600 R15: 0000000000000000 | [ 118.598065][ T1059] ------------[ cut here ]------------ | [ 118.598522][ T1059] WARNING: CPU: 2 PID: 1059 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 118.599241][ T1059] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 118.600553][ T1059] Tainted: [W]=WARN [ 118.600837][ T1059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 118.601274][ T1059] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 118.601655][ T1059] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 118.602896][ T1059] RSP: 0018:ffffc900004f7080 EFLAGS: 00010246 [ 118.603400][ T1059] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 118.603923][ T1059] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 118.604471][ T1059] RBP: ffffc900004f7168 R08: 0000000000000000 R09: 0000000000000000 [ 118.605000][ T1059] R10: ffffc900004f7198 R11: ffffffff924a8918 R12: 1ffff9200009ee14 [ 118.605556][ T1059] R13: 00000000000005dc R14: ffffc900004f7198 R15: ffff88800ec2af08 [ 118.606096][ T1059] FS: 00007f95d0552800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 118.606726][ T1059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 118.607209][ T1059] CR2: 00000000004a1738 CR3: 0000000005083005 CR4: 0000000000772ef0 [ 118.607763][ T1059] PKRU: 55555554 [ 118.608033][ T1059] Call Trace: [ 118.608310][ T1059] [ 118.608509][ T1059] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 118.608881][ T1059] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 118.609247][ T1059] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 118.609694][ T1059] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 118.610051][ T1059] netif_set_mtu (net/core/dev.c:9652) [ 118.610425][ T1059] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 118.610788][ T1059] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 118.611321][ T1059] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 118.611611][ T1059] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 118.612105][ T1059] br_add_if (net/bridge/br_if.c:697) bridge [ 118.612513][ T1059] do_set_master (net/core/rtnetlink.c:2948) [ 118.612880][ T1059] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 118.613229][ T1059] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 118.613592][ T1059] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 118.613932][ T1059] ? __dev_get_by_name (net/core/dev.c:865) [ 118.614291][ T1059] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 118.614654][ T1059] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 118.615041][ T1059] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 118.615399][ T1059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 118.615769][ T1059] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 118.616127][ T1059] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 118.616490][ T1059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 118.616855][ T1059] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 118.617198][ T1059] ? __lock_release (kernel/locking/lockdep.c:5539) [ 118.617555][ T1059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 118.617895][ T1059] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 118.618240][ T1059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 118.618602][ T1059] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.618987][ T1059] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 118.619337][ T1059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 118.619699][ T1059] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 118.620061][ T1059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 118.620415][ T1059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 118.620773][ T1059] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 118.621141][ T1059] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 118.621497][ T1059] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.621853][ T1059] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 118.622201][ T1059] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 118.622556][ T1059] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 118.622939][ T1059] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 118.623298][ T1059] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 118.623653][ T1059] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 118.624145][ T1059] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 118.624525][ T1059] ___sys_sendmsg (net/socket.c:2670) [ 118.624886][ T1059] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 118.625234][ T1059] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 118.625612][ T1059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 118.625989][ T1059] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 118.626352][ T1059] ? __handle_mm_fault (mm/memory.c:6212) [ 118.626743][ T1059] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 118.627093][ T1059] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 118.627611][ T1059] __sys_sendmsg (net/socket.c:2700) [ 118.628153][ T1059] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 118.628536][ T1059] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 118.628908][ T1059] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 118.629421][ T1059] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 118.630013][ T1059] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 118.630617][ T1059] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 118.631356][ T1059] RIP: 0033:0x7f95d071f1e7 [ 118.631985][ T1059] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 118.634024][ T1059] RSP: 002b:00007ffed6954c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 118.634631][ T1059] RAX: ffffffffffffffda RBX: 00007ffed6955390 RCX: 00007f95d071f1e7 [ 118.635150][ T1059] RDX: 0000000000000000 RSI: 00007ffed6954cd0 RDI: 0000000000000005 [ 118.635691][ T1059] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 118.636227][ T1059] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffed69553c8 [ 118.636777][ T1059] R13: 00000000686e0b6c R14: 0000000000499600 R15: 0000000000000000 | [ 118.812284][ T1062] ------------[ cut here ]------------ | [ 118.812687][ T1062] WARNING: CPU: 0 PID: 1062 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 118.813338][ T1062] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 118.814574][ T1062] Tainted: [W]=WARN [ 118.814823][ T1062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 118.815242][ T1062] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 118.815594][ T1062] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 118.816814][ T1062] RSP: 0018:ffffc90000727080 EFLAGS: 00010246 [ 118.817228][ T1062] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 118.817729][ T1062] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 118.818275][ T1062] RBP: ffffc90000727168 R08: 0000000000000000 R09: 0000000000000000 [ 118.818779][ T1062] R10: ffffc90000727198 R11: ffffffff924a8918 R12: 1ffff920000e4e14 [ 118.819269][ T1062] R13: 00000000000005dc R14: ffffc90000727198 R15: ffff88800ec2af08 [ 118.819814][ T1062] FS: 00007f8f1ee44800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 118.820425][ T1062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 118.820865][ T1062] CR2: 00000000004a1738 CR3: 000000000e087001 CR4: 0000000000772ef0 [ 118.821383][ T1062] PKRU: 55555554 [ 118.821665][ T1062] Call Trace: [ 118.821947][ T1062] [ 118.822124][ T1062] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 118.822490][ T1062] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 118.822840][ T1062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 118.823273][ T1062] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 118.823651][ T1062] netif_set_mtu (net/core/dev.c:9652) [ 118.824001][ T1062] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 118.824384][ T1062] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 118.824884][ T1062] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 118.825144][ T1062] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 118.825611][ T1062] br_add_if (net/bridge/br_if.c:697) bridge [ 118.826000][ T1062] do_set_master (net/core/rtnetlink.c:2948) [ 118.826346][ T1062] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 118.826695][ T1062] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 118.827034][ T1062] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 118.827382][ T1062] ? __dev_get_by_name (net/core/dev.c:865) [ 118.827731][ T1062] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 118.828081][ T1062] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 118.828443][ T1062] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 118.828785][ T1062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 118.829134][ T1062] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 118.829503][ T1062] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 118.829836][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 118.830178][ T1062] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 118.830504][ T1062] ? __lock_release (kernel/locking/lockdep.c:5539) [ 118.830825][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 118.831142][ T1062] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 118.831475][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 118.831802][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.832130][ T1062] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 118.832467][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 118.832794][ T1062] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 118.833126][ T1062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 118.833455][ T1062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 118.833776][ T1062] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 118.834101][ T1062] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 118.834449][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.834777][ T1062] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 118.835097][ T1062] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 118.835424][ T1062] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 118.835751][ T1062] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 118.836075][ T1062] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 118.836407][ T1062] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 118.836852][ T1062] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 118.837200][ T1062] ___sys_sendmsg (net/socket.c:2670) [ 118.837546][ T1062] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 118.837882][ T1062] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 118.838228][ T1062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 118.838571][ T1062] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 118.838910][ T1062] ? __handle_mm_fault (mm/memory.c:6212) [ 118.839248][ T1062] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 118.839590][ T1062] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 118.839956][ T1062] __sys_sendmsg (net/socket.c:2700) [ 118.840303][ T1062] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 118.840649][ T1062] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 118.840999][ T1062] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 118.841338][ T1062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 118.841692][ T1062] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 118.842038][ T1062] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 118.842478][ T1062] RIP: 0033:0x7f8f1f0111e7 [ 118.842836][ T1062] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 118.844103][ T1062] RSP: 002b:00007ffd5b1514e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 118.844670][ T1062] RAX: ffffffffffffffda RBX: 00007ffd5b151c10 RCX: 00007f8f1f0111e7 [ 118.845195][ T1062] RDX: 0000000000000000 RSI: 00007ffd5b151550 RDI: 0000000000000005 [ 118.845739][ T1062] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 118.846264][ T1062] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5b151c48 [ 118.846789][ T1062] R13: 00000000686e0b6c R14: 0000000000499600 R15: 0000000000000000 | [ 119.013990][ T1063] ------------[ cut here ]------------ | [ 119.014549][ T1063] WARNING: CPU: 2 PID: 1063 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 119.015406][ T1063] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 119.016865][ T1063] Tainted: [W]=WARN [ 119.017203][ T1063] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 119.017671][ T1063] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 119.018107][ T1063] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 119.019425][ T1063] RSP: 0018:ffffc90000537080 EFLAGS: 00010246 [ 119.019864][ T1063] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 119.020369][ T1063] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 119.020910][ T1063] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000 [ 119.021645][ T1063] R10: ffffc90000537198 R11: ffffffff924a8918 R12: 1ffff920000a6e14 [ 119.022196][ T1063] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800ec2af08 [ 119.022741][ T1063] FS: 00007f6b5fe6c800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 119.023345][ T1063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 119.023787][ T1063] CR2: 00000000004a1738 CR3: 0000000009f42004 CR4: 0000000000772ef0 [ 119.024329][ T1063] PKRU: 55555554 [ 119.024598][ T1063] Call Trace: [ 119.024852][ T1063] [ 119.025057][ T1063] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 119.025453][ T1063] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 119.025807][ T1063] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 119.026299][ T1063] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 119.026652][ T1063] netif_set_mtu (net/core/dev.c:9652) [ 119.026987][ T1063] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 119.027347][ T1063] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 119.027826][ T1063] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 119.028090][ T1063] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 119.028552][ T1063] br_add_if (net/bridge/br_if.c:697) bridge [ 119.028982][ T1063] do_set_master (net/core/rtnetlink.c:2948) [ 119.029356][ T1063] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 119.029743][ T1063] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 119.030131][ T1063] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 119.030517][ T1063] ? __dev_get_by_name (net/core/dev.c:865) [ 119.030911][ T1063] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 119.031318][ T1063] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 119.031761][ T1063] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 119.032187][ T1063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 119.032630][ T1063] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 119.033069][ T1063] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 119.033505][ T1063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 119.033925][ T1063] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 119.034346][ T1063] ? __lock_release (kernel/locking/lockdep.c:5539) [ 119.034776][ T1063] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 119.035190][ T1063] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 119.035584][ T1063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 119.035977][ T1063] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 119.036386][ T1063] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 119.036838][ T1063] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 119.037221][ T1063] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 119.037664][ T1063] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 119.038071][ T1063] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 119.038482][ T1063] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 119.038877][ T1063] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 119.039267][ T1063] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 119.039664][ T1063] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 119.040037][ T1063] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 119.040436][ T1063] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 119.040852][ T1063] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 119.041238][ T1063] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 119.041662][ T1063] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 119.042092][ T1063] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 119.042473][ T1063] ___sys_sendmsg (net/socket.c:2670) [ 119.042863][ T1063] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 119.043248][ T1063] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 119.043648][ T1063] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 119.044066][ T1063] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 119.044551][ T1063] ? __handle_mm_fault (mm/memory.c:6212) [ 119.044907][ T1063] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 119.045264][ T1063] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 119.045636][ T1063] __sys_sendmsg (net/socket.c:2700) [ 119.046007][ T1063] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 119.046408][ T1063] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 119.046795][ T1063] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 119.047189][ T1063] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 119.047982][ T1063] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 119.048381][ T1063] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 119.048839][ T1063] RIP: 0033:0x7f6b600391e7 [ 119.049233][ T1063] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 119.050535][ T1063] RSP: 002b:00007ffc0de92588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 119.051078][ T1063] RAX: ffffffffffffffda RBX: 00007ffc0de92cb0 RCX: 00007f6b600391e7 [ 119.051634][ T1063] RDX: 0000000000000000 RSI: 00007ffc0de925f0 RDI: 0000000000000005 [ 119.052196][ T1063] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 119.052743][ T1063] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc0de92ce8 [ 119.053283][ T1063] R13: 00000000686e0b6c R14: 0000000000499600 R15: 0000000000000000 | [ 119.229932][ T1066] ------------[ cut here ]------------ | [ 119.230339][ T1066] WARNING: CPU: 2 PID: 1066 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 119.231051][ T1066] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 119.233513][ T1066] Tainted: [W]=WARN [ 119.233781][ T1066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 119.234239][ T1066] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 119.234648][ T1066] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 119.235900][ T1066] RSP: 0018:ffffc90000897080 EFLAGS: 00010246 [ 119.236372][ T1066] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 119.236915][ T1066] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 119.237459][ T1066] RBP: ffffc90000897168 R08: 0000000000000000 R09: 0000000000000000 [ 119.237982][ T1066] R10: ffffc90000897198 R11: ffffffff924a8918 R12: 1ffff92000112e14 [ 119.238530][ T1066] R13: 00000000000005dc R14: ffffc90000897198 R15: ffff88800ec2af08 [ 119.239043][ T1066] FS: 00007f4a90422800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 119.239695][ T1066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 119.240137][ T1066] CR2: 00007f4780175400 CR3: 0000000008ead001 CR4: 0000000000772ef0 [ 119.240712][ T1066] PKRU: 55555554 [ 119.240987][ T1066] Call Trace: [ 119.241249][ T1066] [ 119.241456][ T1066] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 119.241827][ T1066] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 119.242184][ T1066] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 119.242673][ T1066] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 119.243168][ T1066] netif_set_mtu (net/core/dev.c:9652) [ 119.243760][ T1066] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 119.244293][ T1066] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 119.244817][ T1066] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 119.245093][ T1066] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 119.245582][ T1066] br_add_if (net/bridge/br_if.c:697) bridge [ 119.245987][ T1066] do_set_master (net/core/rtnetlink.c:2948) [ 119.246347][ T1066] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 119.246737][ T1066] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 119.247096][ T1066] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 119.247455][ T1066] ? __dev_get_by_name (net/core/dev.c:865) [ 119.247817][ T1066] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 119.248176][ T1066] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 119.248546][ T1066] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 119.248912][ T1066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 119.249274][ T1066] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 119.249659][ T1066] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 119.250041][ T1066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 119.250423][ T1066] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 119.250775][ T1066] ? __lock_release (kernel/locking/lockdep.c:5539) [ 119.251130][ T1066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 119.251495][ T1066] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 119.251847][ T1066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 119.252193][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 119.252552][ T1066] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 119.252899][ T1066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 119.253246][ T1066] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 119.253612][ T1066] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 119.253953][ T1066] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 119.254325][ T1066] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 119.254688][ T1066] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 119.255052][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 119.255431][ T1066] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 119.255812][ T1066] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 119.256155][ T1066] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 119.256519][ T1066] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 119.256865][ T1066] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 119.257205][ T1066] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 119.257641][ T1066] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 119.257991][ T1066] ___sys_sendmsg (net/socket.c:2670) [ 119.258337][ T1066] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 119.258694][ T1066] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 119.259041][ T1066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 119.259410][ T1066] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 119.259766][ T1066] ? __handle_mm_fault (mm/memory.c:6212) [ 119.260134][ T1066] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 119.260497][ T1066] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 119.260874][ T1066] __sys_sendmsg (net/socket.c:2700) [ 119.261228][ T1066] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 119.261604][ T1066] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 119.261969][ T1066] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 119.262320][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 119.262680][ T1066] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 119.263050][ T1066] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 119.263505][ T1066] RIP: 0033:0x7f4a905ef1e7 [ 119.263882][ T1066] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 119.265152][ T1066] RSP: 002b:00007ffdcd83d9c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 119.265701][ T1066] RAX: ffffffffffffffda RBX: 00007ffdcd83e0f0 RCX: 00007f4a905ef1e7 [ 119.266224][ T1066] RDX: 0000000000000000 RSI: 00007ffdcd83da30 RDI: 0000000000000005 [ 119.266762][ T1066] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 119.267310][ T1066] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdcd83e128 [ 119.267862][ T1066] R13: 00000000686e0b6c R14: 0000000000499600 R15: 0000000000000000 | [ 119.428930][ T1068] ------------[ cut here ]------------ | [ 119.429272][ T1068] WARNING: CPU: 0 PID: 1068 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 119.430061][ T1068] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 119.431288][ T1068] Tainted: [W]=WARN [ 119.431552][ T1068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 119.431960][ T1068] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 119.432305][ T1068] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 119.433492][ T1068] RSP: 0018:ffffc900008c7080 EFLAGS: 00010246 [ 119.433929][ T1068] RAX: 0000000000000000 RBX: ffff88800ec2a000 RCX: 0000000000000001 [ 119.434444][ T1068] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 119.434938][ T1068] RBP: ffffc900008c7168 R08: 0000000000000000 R09: 0000000000000000 [ 119.435429][ T1068] R10: ffffc900008c7198 R11: ffffffff924a8918 R12: 1ffff92000118e14 [ 119.435923][ T1068] R13: 00000000000005dc R14: ffffc900008c7198 R15: ffff88800ec2af08 [ 119.436440][ T1068] FS: 00007f888dda5800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 119.437025][ T1068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 119.437449][ T1068] CR2: 00000000004a1738 CR3: 0000000008ead005 CR4: 0000000000772ef0 [ 119.437943][ T1068] PKRU: 55555554 [ 119.438186][ T1068] Call Trace: [ 119.438441][ T1068] [ 119.438613][ T1068] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 119.438955][ T1068] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 119.439287][ T1068] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 119.439711][ T1068] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 119.440053][ T1068] netif_set_mtu (net/core/dev.c:9652) [ 119.440385][ T1068] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 119.440733][ T1068] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 119.441206][ T1068] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 119.441465][ T1068] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 119.441912][ T1068] br_add_if (net/bridge/br_if.c:697) bridge [ 119.442283][ T1068] do_set_master (net/core/rtnetlink.c:2948) [ 119.442618][ T1068] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 119.442966][ T1068] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 119.443300][ T1068] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 119.443644][ T1068] ? __dev_get_by_name (net/core/dev.c:865) [ 119.443977][ T1068] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 119.444332][ T1068] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 119.444689][ T1068] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 119.445042][ T1068] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 119.445398][ T1068] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 119.445737][ T1068] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 119.446109][ T1068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 119.446465][ T1068] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 119.446818][ T1068] ? __lock_release (kernel/locking/lockdep.c:5539) [ 119.447157][ T1068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 119.447497][ T1068] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 119.447825][ T1068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 119.448166][ T1068] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 119.448533][ T1068] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 119.448863][ T1068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 119.449191][ T1068] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 119.449536][ T1068] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 119.449863][ T1068] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 119.450196][ T1068] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 119.450554][ T1068] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 119.450880][ T1068] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 119.451211][ T1068] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 119.451554][ T1068] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 119.451889][ T1068] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 119.452249][ T1068] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 119.452609][ T1068] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 119.452947][ T1068] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 119.453380][ T1068] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 119.453738][ T1068] ___sys_sendmsg (net/socket.c:2670) [ 119.454066][ T1068] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 119.454440][ T1068] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 119.454774][ T1068] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 119.455105][ T1068] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 119.455456][ T1068] ? __handle_mm_fault (mm/memory.c:6212) [ 119.455814][ T1068] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 119.456154][ T1068] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 119.456523][ T1068] __sys_sendmsg (net/socket.c:2700) [ 119.456900][ T1068] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 119.457243][ T1068] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 119.457617][ T1068] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 119.457978][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 119.458323][ T1068] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 119.458668][ T1068] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 119.459117][ T1068] RIP: 0033:0x7f888df721e7 [ 119.459477][ T1068] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 119.460700][ T1068] RSP: 002b:00007ffc68578018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 119.461202][ T1068] RAX: ffffffffffffffda RBX: 00007ffc68578740 RCX: 00007f888df721e7 [ 119.461749][ T1068] RDX: 0000000000000000 RSI: 00007ffc68578080 RDI: 0000000000000005 [ 119.462254][ T1068] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 119.462770][ T1068] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc68578778 [ 119.463290][ T1068] R13: 00000000686e0b6d R14: 0000000000499600 R15: 0000000000000000 | [ 156.344998][ T1290] ------------[ cut here ]------------ | [ 156.345340][ T1290] WARNING: CPU: 0 PID: 1290 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 156.346046][ T1290] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 156.347370][ T1290] Tainted: [W]=WARN [ 156.347645][ T1290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 156.348087][ T1290] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 156.348440][ T1290] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 156.349687][ T1290] RSP: 0018:ffffc90000f37080 EFLAGS: 00010246 [ 156.350143][ T1290] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 156.350648][ T1290] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 156.351145][ T1290] RBP: ffffc90000f37168 R08: 0000000000000000 R09: 0000000000000000 [ 156.351686][ T1290] R10: ffffc90000f37198 R11: ffffffff924a8918 R12: 1ffff920001e6e14 [ 156.352247][ T1290] R13: 00000000000005dc R14: ffffc90000f37198 R15: ffff888012042f08 [ 156.352766][ T1290] FS: 00007f20dd919800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 156.353380][ T1290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 156.353826][ T1290] CR2: 0000562c803bcae0 CR3: 000000000e158001 CR4: 0000000000772ef0 [ 156.354332][ T1290] PKRU: 55555554 [ 156.354845][ T1290] Call Trace: [ 156.355116][ T1290] [ 156.355296][ T1290] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 156.355858][ T1290] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 156.356263][ T1290] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 156.356875][ T1290] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 156.357230][ T1290] netif_set_mtu (net/core/dev.c:9652) [ 156.357869][ T1290] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 156.358259][ T1290] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 156.358931][ T1290] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 156.359222][ T1290] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 156.359846][ T1290] br_add_if (net/bridge/br_if.c:697) bridge [ 156.360288][ T1290] do_set_master (net/core/rtnetlink.c:2948) [ 156.360803][ T1290] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 156.361168][ T1290] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 156.361662][ T1290] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 156.362046][ T1290] ? __dev_get_by_name (net/core/dev.c:865) [ 156.362552][ T1290] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.362895][ T1290] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.363254][ T1290] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 156.363743][ T1290] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.364136][ T1290] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 156.364793][ T1290] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 156.365147][ T1290] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.365874][ T1290] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 156.366219][ T1290] ? __lock_release (kernel/locking/lockdep.c:5539) [ 156.366655][ T1290] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.366992][ T1290] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 156.367322][ T1290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.367663][ T1290] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.368029][ T1290] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 156.368423][ T1290] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.368753][ T1290] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 156.369090][ T1290] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 156.369426][ T1290] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 156.369763][ T1290] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 156.370092][ T1290] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 156.370434][ T1290] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.370790][ T1290] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 156.371134][ T1290] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 156.371476][ T1290] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 156.371832][ T1290] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 156.372188][ T1290] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 156.372568][ T1290] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 156.372988][ T1290] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 156.373315][ T1290] ___sys_sendmsg (net/socket.c:2670) [ 156.373663][ T1290] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 156.373997][ T1290] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 156.374332][ T1290] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.374695][ T1290] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 156.375026][ T1290] ? __handle_mm_fault (mm/memory.c:6212) [ 156.375373][ T1290] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 156.375716][ T1290] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 156.376106][ T1290] __sys_sendmsg (net/socket.c:2700) [ 156.376446][ T1290] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 156.376771][ T1290] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 156.377143][ T1290] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 156.377507][ T1290] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 156.377868][ T1290] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 156.378195][ T1290] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 156.378611][ T1290] RIP: 0033:0x7f20ddae61e7 [ 156.378947][ T1290] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 156.380187][ T1290] RSP: 002b:00007ffe47894838 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.380743][ T1290] RAX: ffffffffffffffda RBX: 00007ffe47894f60 RCX: 00007f20ddae61e7 [ 156.381267][ T1290] RDX: 0000000000000000 RSI: 00007ffe478948a0 RDI: 0000000000000005 [ 156.381772][ T1290] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 156.382272][ T1290] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe47894f98 [ 156.382787][ T1290] R13: 00000000686e0b91 R14: 0000000000499600 R15: 0000000000000000 | [ 156.629128][ T1291] ------------[ cut here ]------------ | [ 156.629644][ T1291] WARNING: CPU: 2 PID: 1291 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 156.630703][ T1291] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 156.632761][ T1291] Tainted: [W]=WARN [ 156.633213][ T1291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 156.633861][ T1291] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 156.634364][ T1291] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 156.636319][ T1291] RSP: 0018:ffffc90000f27080 EFLAGS: 00010246 [ 156.637056][ T1291] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 156.637924][ T1291] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 156.638678][ T1291] RBP: ffffc90000f27168 R08: 0000000000000000 R09: 0000000000000000 [ 156.639634][ T1291] R10: ffffc90000f27198 R11: ffffffff924a8918 R12: 1ffff920001e4e14 [ 156.640527][ T1291] R13: 00000000000005dc R14: ffffc90000f27198 R15: ffff888012042f08 [ 156.641448][ T1291] FS: 00007f84af3ed800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 156.642468][ T1291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 156.643063][ T1291] CR2: 00000000004a1738 CR3: 000000000e158003 CR4: 0000000000772ef0 [ 156.643868][ T1291] PKRU: 55555554 [ 156.644304][ T1291] Call Trace: [ 156.644732][ T1291] [ 156.645056][ T1291] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 156.645686][ T1291] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 156.646247][ T1291] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 156.646968][ T1291] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 156.647351][ T1291] netif_set_mtu (net/core/dev.c:9652) [ 156.647969][ T1291] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 156.648597][ T1291] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 156.649372][ T1291] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 156.649822][ T1291] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 156.650627][ T1291] br_add_if (net/bridge/br_if.c:697) bridge [ 156.651264][ T1291] do_set_master (net/core/rtnetlink.c:2948) [ 156.651777][ T1291] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 156.652269][ T1291] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 156.652888][ T1291] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 156.653494][ T1291] ? __dev_get_by_name (net/core/dev.c:865) [ 156.654136][ T1291] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.654815][ T1291] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.655469][ T1291] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 156.655926][ T1291] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.656458][ T1291] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 156.657047][ T1291] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 156.657655][ T1291] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.658246][ T1291] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 156.658871][ T1291] ? __lock_release (kernel/locking/lockdep.c:5539) [ 156.659538][ T1291] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.660085][ T1291] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 156.660575][ T1291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.661200][ T1291] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.661858][ T1291] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 156.662500][ T1291] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.663151][ T1291] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 156.663821][ T1291] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 156.664250][ T1291] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 156.664799][ T1291] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 156.665412][ T1291] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 156.666019][ T1291] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.666675][ T1291] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 156.667292][ T1291] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 156.667881][ T1291] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 156.668321][ T1291] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 156.668961][ T1291] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 156.669646][ T1291] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 156.670501][ T1291] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 156.671172][ T1291] ___sys_sendmsg (net/socket.c:2670) [ 156.671789][ T1291] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 156.672225][ T1291] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 156.672855][ T1291] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.673533][ T1291] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 156.674191][ T1291] ? __handle_mm_fault (mm/memory.c:6212) [ 156.674848][ T1291] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 156.675479][ T1291] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 156.675938][ T1291] __sys_sendmsg (net/socket.c:2700) [ 156.676545][ T1291] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 156.677227][ T1291] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 156.677884][ T1291] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 156.678546][ T1291] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 156.679194][ T1291] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 156.679675][ T1291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 156.680445][ T1291] RIP: 0033:0x7f84af5ba1e7 [ 156.681104][ T1291] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 156.683105][ T1291] RSP: 002b:00007ffde469a748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.683992][ T1291] RAX: ffffffffffffffda RBX: 00007ffde469ae70 RCX: 00007f84af5ba1e7 [ 156.684998][ T1291] RDX: 0000000000000000 RSI: 00007ffde469a7b0 RDI: 0000000000000005 [ 156.686008][ T1291] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 156.686835][ T1291] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffde469aea8 [ 156.687692][ T1291] R13: 00000000686e0b92 R14: 0000000000499600 R15: 0000000000000000 | [ 156.960782][ T1294] ------------[ cut here ]------------ | [ 156.961263][ T1294] WARNING: CPU: 2 PID: 1294 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 156.962546][ T1294] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 156.964786][ T1294] Tainted: [W]=WARN [ 156.965179][ T1294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 156.965980][ T1294] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 156.966679][ T1294] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 156.968668][ T1294] RSP: 0018:ffffc90000f27080 EFLAGS: 00010246 [ 156.969604][ T1294] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 156.970608][ T1294] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 156.971509][ T1294] RBP: ffffc90000f27168 R08: 0000000000000000 R09: 0000000000000000 [ 156.972253][ T1294] R10: ffffc90000f27198 R11: ffffffff924a8918 R12: 1ffff920001e4e14 [ 156.973163][ T1294] R13: 00000000000005dc R14: ffffc90000f27198 R15: ffff888012042f08 [ 156.974107][ T1294] FS: 00007faf16ace800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 156.975144][ T1294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 156.975843][ T1294] CR2: 00000000004a1738 CR3: 0000000012c22005 CR4: 0000000000772ef0 [ 156.976890][ T1294] PKRU: 55555554 [ 156.977464][ T1294] Call Trace: [ 156.977973][ T1294] [ 156.978181][ T1294] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 156.978774][ T1294] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 156.979413][ T1294] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 156.980255][ T1294] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 156.980910][ T1294] netif_set_mtu (net/core/dev.c:9652) [ 156.981496][ T1294] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 156.982004][ T1294] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 156.982943][ T1294] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 156.983448][ T1294] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 156.984271][ T1294] br_add_if (net/bridge/br_if.c:697) bridge [ 156.984908][ T1294] do_set_master (net/core/rtnetlink.c:2948) [ 156.985429][ T1294] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 156.986167][ T1294] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 156.986829][ T1294] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 156.987378][ T1294] ? __dev_get_by_name (net/core/dev.c:865) [ 156.987873][ T1294] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.988524][ T1294] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.989116][ T1294] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 156.989739][ T1294] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.990347][ T1294] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 156.990908][ T1294] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 156.991423][ T1294] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.992065][ T1294] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 156.992714][ T1294] ? __lock_release (kernel/locking/lockdep.c:5539) [ 156.993330][ T1294] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.993917][ T1294] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 156.994510][ T1294] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.995010][ T1294] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.995643][ T1294] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 156.996260][ T1294] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.996905][ T1294] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 156.997552][ T1294] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 156.997990][ T1294] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 156.998572][ T1294] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 156.999179][ T1294] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 156.999765][ T1294] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.000372][ T1294] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 157.000929][ T1294] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 157.001413][ T1294] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 157.002018][ T1294] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 157.002649][ T1294] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 157.003227][ T1294] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 157.003980][ T1294] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 157.004508][ T1294] ___sys_sendmsg (net/socket.c:2670) [ 157.005019][ T1294] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 157.005626][ T1294] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 157.006179][ T1294] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.006760][ T1294] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 157.007238][ T1294] ? __handle_mm_fault (mm/memory.c:6212) [ 157.007782][ T1294] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 157.008383][ T1294] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 157.009007][ T1294] __sys_sendmsg (net/socket.c:2700) [ 157.009628][ T1294] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 157.010172][ T1294] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 157.010736][ T1294] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 157.011367][ T1294] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 157.012013][ T1294] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 157.012629][ T1294] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 157.013295][ T1294] RIP: 0033:0x7faf16c9b1e7 [ 157.013841][ T1294] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 157.016692][ T1294] RSP: 002b:00007ffd367c99c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.017540][ T1294] RAX: ffffffffffffffda RBX: 00007ffd367ca0f0 RCX: 00007faf16c9b1e7 [ 157.018512][ T1294] RDX: 0000000000000000 RSI: 00007ffd367c9a30 RDI: 0000000000000005 [ 157.019801][ T1294] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 157.021922][ T1294] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd367ca128 [ 157.022852][ T1294] R13: 00000000686e0b92 R14: 0000000000499600 R15: 0000000000000000 | [ 157.265855][ T1296] ------------[ cut here ]------------ | [ 157.266283][ T1296] WARNING: CPU: 3 PID: 1296 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 157.267082][ T1296] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 157.268430][ T1296] Tainted: [W]=WARN [ 157.268685][ T1296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 157.269108][ T1296] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 157.269453][ T1296] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 157.270624][ T1296] RSP: 0018:ffffc90000f37080 EFLAGS: 00010246 [ 157.271064][ T1296] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 157.271559][ T1296] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 157.272055][ T1296] RBP: ffffc90000f37168 R08: 0000000000000000 R09: 0000000000000000 [ 157.272546][ T1296] R10: ffffc90000f37198 R11: ffffffff924a8918 R12: 1ffff920001e6e14 [ 157.273125][ T1296] R13: 00000000000005dc R14: ffffc90000f37198 R15: ffff888012042f08 [ 157.273615][ T1296] FS: 00007fc30a4f4800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 157.274297][ T1296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.274811][ T1296] CR2: 00000000004a1738 CR3: 00000000091ae004 CR4: 0000000000772ef0 [ 157.275318][ T1296] PKRU: 55555554 [ 157.275578][ T1296] Call Trace: [ 157.275825][ T1296] [ 157.276060][ T1296] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 157.276458][ T1296] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 157.276800][ T1296] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 157.277334][ T1296] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 157.278068][ T1296] netif_set_mtu (net/core/dev.c:9652) [ 157.278416][ T1296] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 157.278753][ T1296] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 157.279753][ T1296] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 157.280030][ T1296] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 157.280501][ T1296] br_add_if (net/bridge/br_if.c:697) bridge [ 157.281712][ T1296] do_set_master (net/core/rtnetlink.c:2948) [ 157.282351][ T1296] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 157.282743][ T1296] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 157.283130][ T1296] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 157.283813][ T1296] ? __dev_get_by_name (net/core/dev.c:865) [ 157.284261][ T1296] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.284648][ T1296] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.285134][ T1296] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 157.285554][ T1296] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.286498][ T1296] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 157.286833][ T1296] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 157.287172][ T1296] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.287750][ T1296] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 157.288098][ T1296] ? __lock_release (kernel/locking/lockdep.c:5539) [ 157.288439][ T1296] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.288758][ T1296] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 157.289112][ T1296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.289685][ T1296] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.290124][ T1296] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 157.290459][ T1296] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.290796][ T1296] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 157.291140][ T1296] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 157.291472][ T1296] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 157.291795][ T1296] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 157.292361][ T1296] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 157.292953][ T1296] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.293279][ T1296] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 157.293625][ T1296] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 157.293956][ T1296] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 157.294298][ T1296] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 157.294651][ T1296] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 157.294989][ T1296] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 157.295464][ T1296] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 157.295855][ T1296] ___sys_sendmsg (net/socket.c:2670) [ 157.296610][ T1296] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 157.297107][ T1296] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 157.297764][ T1296] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.298187][ T1296] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 157.298593][ T1296] ? __handle_mm_fault (mm/memory.c:6212) [ 157.299004][ T1296] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 157.299459][ T1296] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 157.299891][ T1296] __sys_sendmsg (net/socket.c:2700) [ 157.300321][ T1296] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 157.300724][ T1296] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 157.301157][ T1296] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 157.301880][ T1296] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 157.302304][ T1296] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 157.302702][ T1296] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 157.303233][ T1296] RIP: 0033:0x7fc30a6c11e7 [ 157.303654][ T1296] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 157.305289][ T1296] RSP: 002b:00007fff2a5a5998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.305815][ T1296] RAX: ffffffffffffffda RBX: 00007fff2a5a60c0 RCX: 00007fc30a6c11e7 [ 157.306336][ T1296] RDX: 0000000000000000 RSI: 00007fff2a5a5a00 RDI: 0000000000000005 [ 157.307188][ T1296] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 157.307960][ T1296] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff2a5a60f8 [ 157.308713][ T1296] R13: 00000000686e0b92 R14: 0000000000499600 R15: 0000000000000000 | [ 157.495716][ T1299] ------------[ cut here ]------------ | [ 157.496100][ T1299] WARNING: CPU: 3 PID: 1299 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 157.496955][ T1299] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 157.498375][ T1299] Tainted: [W]=WARN [ 157.498645][ T1299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 157.499186][ T1299] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 157.499560][ T1299] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 157.500927][ T1299] RSP: 0018:ffffc90000f27080 EFLAGS: 00010246 [ 157.501677][ T1299] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 157.502293][ T1299] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 157.503140][ T1299] RBP: ffffc90000f27168 R08: 0000000000000000 R09: 0000000000000000 [ 157.503926][ T1299] R10: ffffc90000f27198 R11: ffffffff924a8918 R12: 1ffff920001e4e14 [ 157.504747][ T1299] R13: 00000000000005dc R14: ffffc90000f27198 R15: ffff888012042f08 [ 157.505350][ T1299] FS: 00007fdb52cad800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 157.506353][ T1299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.506923][ T1299] CR2: 00007fdb52ec15c0 CR3: 00000000091ae001 CR4: 0000000000772ef0 [ 157.507538][ T1299] PKRU: 55555554 [ 157.507802][ T1299] Call Trace: [ 157.508144][ T1299] [ 157.508325][ T1299] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 157.508791][ T1299] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 157.509175][ T1299] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 157.509623][ T1299] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 157.510068][ T1299] netif_set_mtu (net/core/dev.c:9652) [ 157.510533][ T1299] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 157.510949][ T1299] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 157.511467][ T1299] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 157.511735][ T1299] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 157.512267][ T1299] br_add_if (net/bridge/br_if.c:697) bridge [ 157.512743][ T1299] do_set_master (net/core/rtnetlink.c:2948) [ 157.513176][ T1299] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 157.513675][ T1299] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 157.514201][ T1299] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 157.514614][ T1299] ? __dev_get_by_name (net/core/dev.c:865) [ 157.514969][ T1299] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.515313][ T1299] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.515687][ T1299] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 157.516037][ T1299] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.516405][ T1299] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 157.516762][ T1299] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 157.517141][ T1299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.517507][ T1299] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 157.517842][ T1299] ? __lock_release (kernel/locking/lockdep.c:5539) [ 157.518228][ T1299] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.518574][ T1299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 157.518931][ T1299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.519286][ T1299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.519637][ T1299] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 157.520054][ T1299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.520500][ T1299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 157.521005][ T1299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 157.521488][ T1299] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 157.521832][ T1299] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 157.522237][ T1299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 157.522600][ T1299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.522956][ T1299] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 157.523301][ T1299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 157.523647][ T1299] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 157.524006][ T1299] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 157.524379][ T1299] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 157.524722][ T1299] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 157.525183][ T1299] ___sys_sendmsg (net/socket.c:2670) [ 157.525596][ T1299] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 157.525987][ T1299] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 157.526404][ T1299] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 157.526766][ T1299] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 157.527129][ T1299] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.527499][ T1299] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 157.527850][ T1299] __sys_sendmsg (net/socket.c:2700) [ 157.528196][ T1299] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 157.528564][ T1299] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 157.528936][ T1299] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 157.529286][ T1299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 157.529747][ T1299] RIP: 0033:0x7fdb52e7a1e7 [ 157.530108][ T1299] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 157.531294][ T1299] RSP: 002b:00007ffe5dc213d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.531808][ T1299] RAX: ffffffffffffffda RBX: 00007ffe5dc21b00 RCX: 00007fdb52e7a1e7 [ 157.532310][ T1299] RDX: 0000000000000000 RSI: 00007ffe5dc21440 RDI: 0000000000000005 [ 157.532809][ T1299] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 157.533324][ T1299] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe5dc21b38 [ 157.533933][ T1299] R13: 00000000686e0b93 R14: 0000000000499600 R15: 0000000000000000 | [ 157.700937][ T1301] ------------[ cut here ]------------ | [ 157.701271][ T1301] WARNING: CPU: 0 PID: 1301 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 157.701976][ T1301] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 157.703257][ T1301] Tainted: [W]=WARN [ 157.703528][ T1301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 157.703950][ T1301] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 157.704309][ T1301] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 157.705494][ T1301] RSP: 0018:ffffc90000f37080 EFLAGS: 00010246 [ 157.705968][ T1301] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 157.706497][ T1301] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 157.707000][ T1301] RBP: ffffc90000f37168 R08: 0000000000000000 R09: 0000000000000000 [ 157.707518][ T1301] R10: ffffc90000f37198 R11: ffffffff924a8918 R12: 1ffff920001e6e14 [ 157.708037][ T1301] R13: 00000000000005dc R14: ffffc90000f37198 R15: ffff888012042f08 [ 157.708601][ T1301] FS: 00007f75a7ffe800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 157.709196][ T1301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.709649][ T1301] CR2: 00000000004a1738 CR3: 000000000f2f0004 CR4: 0000000000772ef0 [ 157.710163][ T1301] PKRU: 55555554 [ 157.710439][ T1301] Call Trace: [ 157.710709][ T1301] [ 157.710887][ T1301] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 157.711230][ T1301] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 157.711586][ T1301] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 157.712007][ T1301] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 157.712343][ T1301] netif_set_mtu (net/core/dev.c:9652) [ 157.712698][ T1301] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 157.713048][ T1301] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 157.713532][ T1301] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 157.713836][ T1301] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 157.714318][ T1301] br_add_if (net/bridge/br_if.c:697) bridge [ 157.714721][ T1301] do_set_master (net/core/rtnetlink.c:2948) [ 157.715062][ T1301] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 157.715415][ T1301] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 157.715755][ T1301] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 157.716088][ T1301] ? __dev_get_by_name (net/core/dev.c:865) [ 157.716437][ T1301] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.716766][ T1301] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.717106][ T1301] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 157.717449][ T1301] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.717790][ T1301] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 157.718131][ T1301] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 157.718478][ T1301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.718821][ T1301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 157.719384][ T1301] ? __lock_release (kernel/locking/lockdep.c:5539) [ 157.719981][ T1301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.720598][ T1301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 157.721038][ T1301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.721378][ T1301] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.721724][ T1301] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 157.722059][ T1301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.722396][ T1301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 157.722757][ T1301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 157.723105][ T1301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 157.723468][ T1301] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 157.723824][ T1301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 157.724179][ T1301] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.724571][ T1301] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 157.724927][ T1301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 157.725282][ T1301] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 157.725666][ T1301] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 157.726026][ T1301] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 157.726380][ T1301] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 157.726863][ T1301] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 157.727236][ T1301] ___sys_sendmsg (net/socket.c:2670) [ 157.727579][ T1301] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 157.727940][ T1301] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 157.728284][ T1301] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.728626][ T1301] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 157.728968][ T1301] ? __handle_mm_fault (mm/memory.c:6212) [ 157.729297][ T1301] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 157.729635][ T1301] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 157.729986][ T1301] __sys_sendmsg (net/socket.c:2700) [ 157.730332][ T1301] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 157.730721][ T1301] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 157.731068][ T1301] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 157.731414][ T1301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 157.731752][ T1301] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 157.732089][ T1301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 157.732544][ T1301] RIP: 0033:0x7f75a81cb1e7 [ 157.732902][ T1301] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 157.734111][ T1301] RSP: 002b:00007ffe37b9bfd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.734667][ T1301] RAX: ffffffffffffffda RBX: 00007ffe37b9c700 RCX: 00007f75a81cb1e7 [ 157.735182][ T1301] RDX: 0000000000000000 RSI: 00007ffe37b9c040 RDI: 0000000000000005 [ 157.735693][ T1301] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 157.736236][ T1301] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe37b9c738 [ 157.736765][ T1301] R13: 00000000686e0b93 R14: 0000000000499600 R15: 0000000000000000 | [ 157.901822][ T1303] ------------[ cut here ]------------ | [ 157.902177][ T1303] WARNING: CPU: 0 PID: 1303 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 157.902938][ T1303] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 157.904158][ T1303] Tainted: [W]=WARN [ 157.904436][ T1303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 157.904889][ T1303] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 157.905257][ T1303] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 157.906507][ T1303] RSP: 0000:ffffc90000f37080 EFLAGS: 00010246 [ 157.906937][ T1303] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 157.907460][ T1303] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 157.907969][ T1303] RBP: ffffc90000f37168 R08: 0000000000000000 R09: 0000000000000000 [ 157.908475][ T1303] R10: ffffc90000f37198 R11: ffffffff924a8918 R12: 1ffff920001e6e14 [ 157.909012][ T1303] R13: 00000000000005dc R14: ffffc90000f37198 R15: ffff888012042f08 [ 157.909538][ T1303] FS: 00007f745233d800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 157.910121][ T1303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.910555][ T1303] CR2: 00007f745235d800 CR3: 000000000a1f8001 CR4: 0000000000772ef0 [ 157.911065][ T1303] PKRU: 55555554 [ 157.911338][ T1303] Call Trace: [ 157.911597][ T1303] [ 157.911773][ T1303] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 157.912117][ T1303] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 157.912528][ T1303] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 157.912997][ T1303] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 157.913342][ T1303] netif_set_mtu (net/core/dev.c:9652) [ 157.913697][ T1303] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 157.914056][ T1303] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 157.914550][ T1303] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 157.914806][ T1303] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 157.915294][ T1303] br_add_if (net/bridge/br_if.c:697) bridge [ 157.915682][ T1303] do_set_master (net/core/rtnetlink.c:2948) [ 157.916022][ T1303] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 157.916371][ T1303] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 157.916735][ T1303] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 157.917089][ T1303] ? __dev_get_by_name (net/core/dev.c:865) [ 157.917436][ T1303] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.917796][ T1303] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.918144][ T1303] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 157.918514][ T1303] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.918895][ T1303] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 157.919251][ T1303] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 157.919601][ T1303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.919972][ T1303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 157.920312][ T1303] ? __lock_release (kernel/locking/lockdep.c:5539) [ 157.920671][ T1303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.921039][ T1303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 157.921378][ T1303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.921741][ T1303] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.922089][ T1303] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 157.922434][ T1303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.922774][ T1303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 157.923129][ T1303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 157.923481][ T1303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 157.923831][ T1303] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 157.924201][ T1303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 157.924566][ T1303] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.924979][ T1303] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 157.925326][ T1303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 157.925680][ T1303] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 157.926032][ T1303] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 157.926384][ T1303] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 157.926750][ T1303] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 157.927195][ T1303] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 157.927557][ T1303] ___sys_sendmsg (net/socket.c:2670) [ 157.927901][ T1303] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 157.928243][ T1303] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 157.928599][ T1303] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.928938][ T1303] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 157.929282][ T1303] ? __handle_mm_fault (mm/memory.c:6212) [ 157.929636][ T1303] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 157.930024][ T1303] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 157.930420][ T1303] __sys_sendmsg (net/socket.c:2700) [ 157.930777][ T1303] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 157.931106][ T1303] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 157.931459][ T1303] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 157.931791][ T1303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 157.932129][ T1303] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 157.932471][ T1303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 157.932899][ T1303] RIP: 0033:0x7f745250a1e7 [ 157.933252][ T1303] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 157.934485][ T1303] RSP: 002b:00007fff93b3b118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.935019][ T1303] RAX: ffffffffffffffda RBX: 00007fff93b3b840 RCX: 00007f745250a1e7 [ 157.935572][ T1303] RDX: 0000000000000000 RSI: 00007fff93b3b180 RDI: 0000000000000005 [ 157.936058][ T1303] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 157.936580][ T1303] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff93b3b878 [ 157.937079][ T1303] R13: 00000000686e0b93 R14: 0000000000499600 R15: 0000000000000000 | [ 158.149500][ T1306] ------------[ cut here ]------------ | [ 158.149877][ T1306] WARNING: CPU: 0 PID: 1306 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 158.150587][ T1306] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 158.151841][ T1306] Tainted: [W]=WARN [ 158.152113][ T1306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 158.152554][ T1306] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 158.152921][ T1306] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 158.154724][ T1306] RSP: 0018:ffffc90000f47080 EFLAGS: 00010246 [ 158.155201][ T1306] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 158.155713][ T1306] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 158.156231][ T1306] RBP: ffffc90000f47168 R08: 0000000000000000 R09: 0000000000000000 [ 158.156745][ T1306] R10: ffffc90000f47198 R11: ffffffff924a8918 R12: 1ffff920001e8e14 [ 158.157297][ T1306] R13: 00000000000005dc R14: ffffc90000f47198 R15: ffff888012042f08 [ 158.157826][ T1306] FS: 00007fe1295f4800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 158.158432][ T1306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.158863][ T1306] CR2: 00000000004a1738 CR3: 000000000f161004 CR4: 0000000000772ef0 [ 158.159380][ T1306] PKRU: 55555554 [ 158.159643][ T1306] Call Trace: [ 158.159914][ T1306] [ 158.160093][ T1306] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 158.160474][ T1306] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 158.160835][ T1306] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 158.161320][ T1306] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 158.161690][ T1306] netif_set_mtu (net/core/dev.c:9652) [ 158.162073][ T1306] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 158.162445][ T1306] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 158.162951][ T1306] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 158.163224][ T1306] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 158.163716][ T1306] br_add_if (net/bridge/br_if.c:697) bridge [ 158.164131][ T1306] do_set_master (net/core/rtnetlink.c:2948) [ 158.164514][ T1306] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 158.164875][ T1306] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 158.165245][ T1306] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 158.165605][ T1306] ? __dev_get_by_name (net/core/dev.c:865) [ 158.165953][ T1306] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.166311][ T1306] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.166679][ T1306] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 158.167030][ T1306] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.167451][ T1306] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 158.167828][ T1306] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 158.168195][ T1306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.168574][ T1306] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 158.168945][ T1306] ? __lock_release (kernel/locking/lockdep.c:5539) [ 158.169312][ T1306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.169678][ T1306] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 158.170047][ T1306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.170425][ T1306] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.170780][ T1306] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 158.171148][ T1306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.171514][ T1306] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 158.171872][ T1306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 158.172237][ T1306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 158.172623][ T1306] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 158.172981][ T1306] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 158.173363][ T1306] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.173732][ T1306] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 158.174085][ T1306] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 158.174475][ T1306] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 158.174834][ T1306] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 158.175208][ T1306] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 158.175581][ T1306] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 158.176052][ T1306] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 158.176430][ T1306] ___sys_sendmsg (net/socket.c:2670) [ 158.176774][ T1306] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 158.177109][ T1306] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 158.177482][ T1306] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.177830][ T1306] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 158.178182][ T1306] ? __handle_mm_fault (mm/memory.c:6212) [ 158.178559][ T1306] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 158.178907][ T1306] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 158.179268][ T1306] __sys_sendmsg (net/socket.c:2700) [ 158.179657][ T1306] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 158.180049][ T1306] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 158.180425][ T1306] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 158.180832][ T1306] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 158.181193][ T1306] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 158.181576][ T1306] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 158.182007][ T1306] RIP: 0033:0x7fe1297c11e7 [ 158.182375][ T1306] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 158.183669][ T1306] RSP: 002b:00007ffcaf6acee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.184209][ T1306] RAX: ffffffffffffffda RBX: 00007ffcaf6ad610 RCX: 00007fe1297c11e7 [ 158.184773][ T1306] RDX: 0000000000000000 RSI: 00007ffcaf6acf50 RDI: 0000000000000005 [ 158.185311][ T1306] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 158.185881][ T1306] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcaf6ad648 [ 158.186416][ T1306] R13: 00000000686e0b93 R14: 0000000000499600 R15: 0000000000000000 | [ 158.364945][ T1307] ------------[ cut here ]------------ | [ 158.365321][ T1307] WARNING: CPU: 3 PID: 1307 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 158.366308][ T1307] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 158.367559][ T1307] Tainted: [W]=WARN [ 158.367822][ T1307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 158.368270][ T1307] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 158.368630][ T1307] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 158.369954][ T1307] RSP: 0018:ffffc90000f37080 EFLAGS: 00010246 [ 158.370414][ T1307] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 158.370918][ T1307] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 158.371442][ T1307] RBP: ffffc90000f37168 R08: 0000000000000000 R09: 0000000000000000 [ 158.371965][ T1307] R10: ffffc90000f37198 R11: ffffffff924a8918 R12: 1ffff920001e6e14 [ 158.372496][ T1307] R13: 00000000000005dc R14: ffffc90000f37198 R15: ffff888012042f08 [ 158.373016][ T1307] FS: 00007f03e2cdc800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 158.373628][ T1307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.374089][ T1307] CR2: 0000562c803e2080 CR3: 0000000004e74004 CR4: 0000000000772ef0 [ 158.374628][ T1307] PKRU: 55555554 [ 158.374889][ T1307] Call Trace: [ 158.375154][ T1307] [ 158.375334][ T1307] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 158.375718][ T1307] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 158.376066][ T1307] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 158.376496][ T1307] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 158.376843][ T1307] netif_set_mtu (net/core/dev.c:9652) [ 158.377186][ T1307] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 158.377552][ T1307] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 158.378042][ T1307] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 158.378307][ T1307] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 158.378790][ T1307] br_add_if (net/bridge/br_if.c:697) bridge [ 158.379190][ T1307] do_set_master (net/core/rtnetlink.c:2948) [ 158.379542][ T1307] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 158.379901][ T1307] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 158.380257][ T1307] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 158.380644][ T1307] ? __dev_get_by_name (net/core/dev.c:865) [ 158.380991][ T1307] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.381378][ T1307] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.381768][ T1307] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 158.382097][ T1307] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.382454][ T1307] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 158.382847][ T1307] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 158.383215][ T1307] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.383605][ T1307] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 158.383945][ T1307] ? __lock_release (kernel/locking/lockdep.c:5539) [ 158.384321][ T1307] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.384669][ T1307] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 158.385061][ T1307] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.385439][ T1307] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.385804][ T1307] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 158.386153][ T1307] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.386509][ T1307] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 158.386871][ T1307] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 158.387206][ T1307] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 158.387583][ T1307] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 158.387955][ T1307] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 158.388289][ T1307] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.388638][ T1307] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 158.388976][ T1307] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 158.389330][ T1307] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 158.389697][ T1307] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 158.390059][ T1307] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 158.390407][ T1307] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 158.390878][ T1307] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 158.391220][ T1307] ___sys_sendmsg (net/socket.c:2670) [ 158.391563][ T1307] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 158.391894][ T1307] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 158.392244][ T1307] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.392595][ T1307] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 158.392947][ T1307] ? __handle_mm_fault (mm/memory.c:6212) [ 158.393287][ T1307] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 158.393635][ T1307] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 158.393995][ T1307] __sys_sendmsg (net/socket.c:2700) [ 158.394352][ T1307] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 158.394711][ T1307] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 158.395081][ T1307] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 158.395450][ T1307] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 158.395810][ T1307] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 158.396175][ T1307] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 158.396615][ T1307] RIP: 0033:0x7f03e2ea91e7 [ 158.396984][ T1307] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 158.398254][ T1307] RSP: 002b:00007ffe4c0782a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.398799][ T1307] RAX: ffffffffffffffda RBX: 00007ffe4c0789d0 RCX: 00007f03e2ea91e7 [ 158.399298][ T1307] RDX: 0000000000000000 RSI: 00007ffe4c078310 RDI: 0000000000000005 [ 158.399850][ T1307] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 158.400348][ T1307] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe4c078a08 [ 158.400859][ T1307] R13: 00000000686e0b93 R14: 0000000000499600 R15: 0000000000000000 | [ 158.572268][ T1310] ------------[ cut here ]------------ | [ 158.572641][ T1310] WARNING: CPU: 3 PID: 1310 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 158.573314][ T1310] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 158.574545][ T1310] Tainted: [W]=WARN [ 158.574798][ T1310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 158.575214][ T1310] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 158.575569][ T1310] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 158.576767][ T1310] RSP: 0018:ffffc90000f67080 EFLAGS: 00010246 [ 158.577189][ T1310] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 158.577706][ T1310] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 158.578212][ T1310] RBP: ffffc90000f67168 R08: 0000000000000000 R09: 0000000000000000 [ 158.578727][ T1310] R10: ffffc90000f67198 R11: ffffffff924a8918 R12: 1ffff920001ece14 [ 158.579237][ T1310] R13: 00000000000005dc R14: ffffc90000f67198 R15: ffff888012042f08 [ 158.579748][ T1310] FS: 00007ff472b9a800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 158.580365][ T1310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.580799][ T1310] CR2: 00000000004a1738 CR3: 0000000004e74002 CR4: 0000000000772ef0 [ 158.581358][ T1310] PKRU: 55555554 [ 158.581612][ T1310] Call Trace: [ 158.581856][ T1310] [ 158.582025][ T1310] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 158.582361][ T1310] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 158.582699][ T1310] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 158.583113][ T1310] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 158.583448][ T1310] netif_set_mtu (net/core/dev.c:9652) [ 158.583794][ T1310] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 158.584134][ T1310] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 158.584637][ T1310] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 158.584901][ T1310] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 158.585348][ T1310] br_add_if (net/bridge/br_if.c:697) bridge [ 158.585736][ T1310] do_set_master (net/core/rtnetlink.c:2948) [ 158.586066][ T1310] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 158.586401][ T1310] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 158.586733][ T1310] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 158.587053][ T1310] ? __dev_get_by_name (net/core/dev.c:865) [ 158.587378][ T1310] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.587709][ T1310] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.588038][ T1310] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 158.588355][ T1310] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.588694][ T1310] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 158.589032][ T1310] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 158.589364][ T1310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.589714][ T1310] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 158.590105][ T1310] ? __lock_release (kernel/locking/lockdep.c:5539) [ 158.590446][ T1310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.590766][ T1310] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 158.591087][ T1310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.591422][ T1310] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.591755][ T1310] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 158.592081][ T1310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.592424][ T1310] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 158.592765][ T1310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 158.593093][ T1310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 158.593428][ T1310] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 158.593753][ T1310] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 158.594087][ T1310] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.594455][ T1310] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 158.594786][ T1310] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 158.595108][ T1310] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 158.595456][ T1310] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 158.595793][ T1310] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 158.596116][ T1310] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 158.596541][ T1310] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 158.596871][ T1310] ___sys_sendmsg (net/socket.c:2670) [ 158.597194][ T1310] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 158.597521][ T1310] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 158.597844][ T1310] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.598165][ T1310] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 158.598504][ T1310] ? __handle_mm_fault (mm/memory.c:6212) [ 158.598831][ T1310] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 158.599153][ T1310] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 158.599500][ T1310] __sys_sendmsg (net/socket.c:2700) [ 158.599846][ T1310] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 158.600178][ T1310] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 158.600529][ T1310] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 158.600857][ T1310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 158.601208][ T1310] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 158.601550][ T1310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 158.601951][ T1310] RIP: 0033:0x7ff472d671e7 [ 158.602288][ T1310] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 158.603468][ T1310] RSP: 002b:00007ffc57353308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.603959][ T1310] RAX: ffffffffffffffda RBX: 00007ffc57353a30 RCX: 00007ff472d671e7 [ 158.604546][ T1310] RDX: 0000000000000000 RSI: 00007ffc57353370 RDI: 0000000000000005 [ 158.605045][ T1310] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 158.605534][ T1310] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc57353a68 [ 158.606032][ T1310] R13: 00000000686e0b94 R14: 0000000000499600 R15: 0000000000000000 | [ 158.798973][ T1312] ------------[ cut here ]------------ | [ 158.799767][ T1312] WARNING: CPU: 3 PID: 1312 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 158.800944][ T1312] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 158.802779][ T1312] Tainted: [W]=WARN [ 158.803092][ T1312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 158.803637][ T1312] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 158.804233][ T1312] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 158.805853][ T1312] RSP: 0018:ffffc90000ef7080 EFLAGS: 00010246 [ 158.806344][ T1312] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 158.806971][ T1312] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 158.807695][ T1312] RBP: ffffc90000ef7168 R08: 0000000000000000 R09: 0000000000000000 [ 158.808752][ T1312] R10: ffffc90000ef7198 R11: ffffffff924a8918 R12: 1ffff920001dee14 [ 158.809343][ T1312] R13: 00000000000005dc R14: ffffc90000ef7198 R15: ffff888012042f08 [ 158.810086][ T1312] FS: 00007f68bdddc800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 158.810842][ T1312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.811285][ T1312] CR2: 00000000004a1738 CR3: 00000000142b8004 CR4: 0000000000772ef0 [ 158.812093][ T1312] PKRU: 55555554 [ 158.812550][ T1312] Call Trace: [ 158.812918][ T1312] [ 158.813152][ T1312] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 158.813622][ T1312] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 158.814121][ T1312] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 158.814572][ T1312] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 158.814976][ T1312] netif_set_mtu (net/core/dev.c:9652) [ 158.815321][ T1312] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 158.815776][ T1312] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 158.816263][ T1312] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 158.816543][ T1312] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 158.817182][ T1312] br_add_if (net/bridge/br_if.c:697) bridge [ 158.817591][ T1312] do_set_master (net/core/rtnetlink.c:2948) [ 158.818141][ T1312] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 158.818591][ T1312] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 158.819050][ T1312] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 158.819518][ T1312] ? __dev_get_by_name (net/core/dev.c:865) [ 158.819873][ T1312] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.820293][ T1312] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.820662][ T1312] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 158.821013][ T1312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.821417][ T1312] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 158.821884][ T1312] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 158.822337][ T1312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.822776][ T1312] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 158.823231][ T1312] ? __lock_release (kernel/locking/lockdep.c:5539) [ 158.823653][ T1312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.824008][ T1312] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 158.824447][ T1312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.824816][ T1312] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.825191][ T1312] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 158.825696][ T1312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.826120][ T1312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 158.826568][ T1312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 158.827052][ T1312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 158.827477][ T1312] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 158.827908][ T1312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 158.828288][ T1312] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.828703][ T1312] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 158.829134][ T1312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 158.829556][ T1312] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 158.830175][ T1312] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 158.830733][ T1312] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 158.831174][ T1312] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 158.831609][ T1312] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 158.831967][ T1312] ___sys_sendmsg (net/socket.c:2670) [ 158.832315][ T1312] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 158.832672][ T1312] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 158.833010][ T1312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.833438][ T1312] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 158.833818][ T1312] ? __handle_mm_fault (mm/memory.c:6212) [ 158.834149][ T1312] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 158.834505][ T1312] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 158.835096][ T1312] __sys_sendmsg (net/socket.c:2700) [ 158.835536][ T1312] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 158.835897][ T1312] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 158.836240][ T1312] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 158.836741][ T1312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 158.837144][ T1312] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 158.837543][ T1312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 158.838075][ T1312] RIP: 0033:0x7f68bdfa91e7 [ 158.838444][ T1312] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 158.839907][ T1312] RSP: 002b:00007ffff2d36a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.840437][ T1312] RAX: ffffffffffffffda RBX: 00007ffff2d37190 RCX: 00007f68bdfa91e7 [ 158.841098][ T1312] RDX: 0000000000000000 RSI: 00007ffff2d36ad0 RDI: 0000000000000005 [ 158.841817][ T1312] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 158.842419][ T1312] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff2d371c8 [ 158.843133][ T1312] R13: 00000000686e0b94 R14: 0000000000499600 R15: 0000000000000000 | [ 159.018105][ T1314] ------------[ cut here ]------------ | [ 159.018641][ T1314] WARNING: CPU: 2 PID: 1314 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 159.019290][ T1314] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 159.020509][ T1314] Tainted: [W]=WARN [ 159.020764][ T1314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 159.021174][ T1314] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 159.021533][ T1314] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 159.022770][ T1314] RSP: 0018:ffffc90000f67080 EFLAGS: 00010246 [ 159.023204][ T1314] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 159.023710][ T1314] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 159.024218][ T1314] RBP: ffffc90000f67168 R08: 0000000000000000 R09: 0000000000000000 [ 159.024750][ T1314] R10: ffffc90000f67198 R11: ffffffff924a8918 R12: 1ffff920001ece14 [ 159.025250][ T1314] R13: 00000000000005dc R14: ffffc90000f67198 R15: ffff888012042f08 [ 159.025762][ T1314] FS: 00007f8542f59800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 159.026354][ T1314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 159.026787][ T1314] CR2: 00000000004a1738 CR3: 000000000e35a005 CR4: 0000000000772ef0 [ 159.027285][ T1314] PKRU: 55555554 [ 159.027552][ T1314] Call Trace: [ 159.027824][ T1314] [ 159.028007][ T1314] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 159.028354][ T1314] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 159.028723][ T1314] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 159.029149][ T1314] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 159.029503][ T1314] netif_set_mtu (net/core/dev.c:9652) [ 159.029845][ T1314] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 159.030192][ T1314] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 159.030674][ T1314] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 159.030943][ T1314] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 159.031412][ T1314] br_add_if (net/bridge/br_if.c:697) bridge [ 159.031790][ T1314] do_set_master (net/core/rtnetlink.c:2948) [ 159.032130][ T1314] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 159.032485][ T1314] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 159.032833][ T1314] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 159.033176][ T1314] ? __dev_get_by_name (net/core/dev.c:865) [ 159.033523][ T1314] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.033857][ T1314] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.034198][ T1314] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 159.034557][ T1314] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.034902][ T1314] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 159.035253][ T1314] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 159.035606][ T1314] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.035959][ T1314] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 159.036299][ T1314] ? __lock_release (kernel/locking/lockdep.c:5539) [ 159.036662][ T1314] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.036997][ T1314] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 159.037337][ T1314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.037686][ T1314] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.038029][ T1314] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 159.038370][ T1314] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.038720][ T1314] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 159.039070][ T1314] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 159.039419][ T1314] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 159.039753][ T1314] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 159.040101][ T1314] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 159.040464][ T1314] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.040811][ T1314] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 159.041151][ T1314] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 159.041509][ T1314] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 159.041865][ T1314] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 159.042203][ T1314] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 159.042554][ T1314] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 159.042984][ T1314] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 159.043338][ T1314] ___sys_sendmsg (net/socket.c:2670) [ 159.043686][ T1314] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 159.044030][ T1314] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 159.044387][ T1314] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.044735][ T1314] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 159.045078][ T1314] ? __handle_mm_fault (mm/memory.c:6212) [ 159.045433][ T1314] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 159.045774][ T1314] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 159.046125][ T1314] __sys_sendmsg (net/socket.c:2700) [ 159.046471][ T1314] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 159.046807][ T1314] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 159.047153][ T1314] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 159.047524][ T1314] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 159.047871][ T1314] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 159.048213][ T1314] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 159.048635][ T1314] RIP: 0033:0x7f85431261e7 [ 159.048985][ T1314] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 159.050155][ T1314] RSP: 002b:00007ffe708c75f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.050674][ T1314] RAX: ffffffffffffffda RBX: 00007ffe708c7d20 RCX: 00007f85431261e7 [ 159.051181][ T1314] RDX: 0000000000000000 RSI: 00007ffe708c7660 RDI: 0000000000000005 [ 159.051698][ T1314] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 159.052212][ T1314] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe708c7d58 [ 159.052718][ T1314] R13: 00000000686e0b94 R14: 0000000000499600 R15: 0000000000000000 | [ 159.211993][ T1315] ------------[ cut here ]------------ | [ 159.212512][ T1315] WARNING: CPU: 2 PID: 1315 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 159.213432][ T1315] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 159.214767][ T1315] Tainted: [W]=WARN [ 159.215043][ T1315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 159.215523][ T1315] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 159.215892][ T1315] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 159.217361][ T1315] RSP: 0018:ffffc90000f27080 EFLAGS: 00010246 [ 159.218053][ T1315] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 159.218735][ T1315] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 159.219417][ T1315] RBP: ffffc90000f27168 R08: 0000000000000000 R09: 0000000000000000 [ 159.220073][ T1315] R10: ffffc90000f27198 R11: ffffffff924a8918 R12: 1ffff920001e4e14 [ 159.220754][ T1315] R13: 00000000000005dc R14: ffffc90000f27198 R15: ffff888012042f08 [ 159.221257][ T1315] FS: 00007f4ece03f800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 159.221853][ T1315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 159.222278][ T1315] CR2: 00000000004a1738 CR3: 000000000f0e0001 CR4: 0000000000772ef0 [ 159.222802][ T1315] PKRU: 55555554 [ 159.223061][ T1315] Call Trace: [ 159.223323][ T1315] [ 159.223520][ T1315] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 159.223867][ T1315] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 159.224212][ T1315] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 159.224667][ T1315] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 159.225018][ T1315] netif_set_mtu (net/core/dev.c:9652) [ 159.225359][ T1315] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 159.225725][ T1315] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 159.226198][ T1315] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 159.226473][ T1315] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 159.226936][ T1315] br_add_if (net/bridge/br_if.c:697) bridge [ 159.227324][ T1315] do_set_master (net/core/rtnetlink.c:2948) [ 159.227682][ T1315] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 159.228033][ T1315] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 159.228373][ T1315] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 159.228732][ T1315] ? __dev_get_by_name (net/core/dev.c:865) [ 159.229089][ T1315] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.229453][ T1315] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.229818][ T1315] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 159.230167][ T1315] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.230538][ T1315] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 159.230894][ T1315] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 159.231251][ T1315] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.231624][ T1315] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 159.231974][ T1315] ? __lock_release (kernel/locking/lockdep.c:5539) [ 159.232329][ T1315] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.232712][ T1315] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 159.233068][ T1315] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.233464][ T1315] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.233826][ T1315] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 159.234169][ T1315] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.234545][ T1315] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 159.234909][ T1315] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 159.235267][ T1315] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 159.235641][ T1315] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 159.235995][ T1315] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 159.236344][ T1315] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.236717][ T1315] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 159.237069][ T1315] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 159.237434][ T1315] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 159.237793][ T1315] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 159.238146][ T1315] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 159.238509][ T1315] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 159.238949][ T1315] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 159.239308][ T1315] ___sys_sendmsg (net/socket.c:2670) [ 159.239683][ T1315] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 159.240037][ T1315] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 159.240402][ T1315] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.240749][ T1315] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 159.241103][ T1315] ? __handle_mm_fault (mm/memory.c:6212) [ 159.241471][ T1315] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 159.241827][ T1315] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 159.242226][ T1315] __sys_sendmsg (net/socket.c:2700) [ 159.242598][ T1315] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 159.242947][ T1315] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 159.243305][ T1315] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 159.243674][ T1315] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 159.244031][ T1315] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 159.244404][ T1315] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 159.244841][ T1315] RIP: 0033:0x7f4ece20c1e7 [ 159.245199][ T1315] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 159.246415][ T1315] RSP: 002b:00007fff0c404698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.246947][ T1315] RAX: ffffffffffffffda RBX: 00007fff0c404dc0 RCX: 00007f4ece20c1e7 [ 159.247489][ T1315] RDX: 0000000000000000 RSI: 00007fff0c404700 RDI: 0000000000000005 [ 159.248012][ T1315] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 159.248556][ T1315] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff0c404df8 [ 159.249081][ T1315] R13: 00000000686e0b94 R14: 0000000000499600 R15: 0000000000000000 | [ 159.414263][ T1318] ------------[ cut here ]------------ | [ 159.414672][ T1318] WARNING: CPU: 2 PID: 1318 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 159.415367][ T1318] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 159.416647][ T1318] Tainted: [W]=WARN [ 159.416927][ T1318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 159.417360][ T1318] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 159.417730][ T1318] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 159.418962][ T1318] RSP: 0018:ffffc90000f97080 EFLAGS: 00010246 [ 159.419420][ T1318] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 159.419943][ T1318] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 159.420478][ T1318] RBP: ffffc90000f97168 R08: 0000000000000000 R09: 0000000000000000 [ 159.421004][ T1318] R10: ffffc90000f97198 R11: ffffffff924a8918 R12: 1ffff920001f2e14 [ 159.421539][ T1318] R13: 00000000000005dc R14: ffffc90000f97198 R15: ffff888012042f08 [ 159.422080][ T1318] FS: 00007f8d614e7800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 159.422707][ T1318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 159.423157][ T1318] CR2: 00000000004a1738 CR3: 000000000f0e0003 CR4: 0000000000772ef0 [ 159.423684][ T1318] PKRU: 55555554 [ 159.423958][ T1318] Call Trace: [ 159.424228][ T1318] [ 159.424436][ T1318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 159.424798][ T1318] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 159.425165][ T1318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 159.425654][ T1318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 159.426024][ T1318] netif_set_mtu (net/core/dev.c:9652) [ 159.426374][ T1318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 159.426745][ T1318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 159.427230][ T1318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 159.427508][ T1318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 159.427992][ T1318] br_add_if (net/bridge/br_if.c:697) bridge [ 159.428381][ T1318] do_set_master (net/core/rtnetlink.c:2948) [ 159.428746][ T1318] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 159.429094][ T1318] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 159.429448][ T1318] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 159.429793][ T1318] ? __dev_get_by_name (net/core/dev.c:865) [ 159.430145][ T1318] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.430514][ T1318] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.430870][ T1318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 159.431224][ T1318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.431595][ T1318] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 159.431961][ T1318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 159.432321][ T1318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.432696][ T1318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 159.433055][ T1318] ? __lock_release (kernel/locking/lockdep.c:5539) [ 159.433419][ T1318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.433812][ T1318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 159.434188][ T1318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.434574][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.434932][ T1318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 159.435286][ T1318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.435652][ T1318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 159.436013][ T1318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 159.436365][ T1318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 159.436730][ T1318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 159.437088][ T1318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 159.437447][ T1318] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.437807][ T1318] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 159.438167][ T1318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 159.438526][ T1318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 159.438887][ T1318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 159.439250][ T1318] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 159.439619][ T1318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 159.440303][ T1318] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 159.440682][ T1318] ___sys_sendmsg (net/socket.c:2670) [ 159.441036][ T1318] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 159.441414][ T1318] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 159.441771][ T1318] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.442117][ T1318] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 159.442502][ T1318] ? __handle_mm_fault (mm/memory.c:6212) [ 159.442925][ T1318] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 159.443294][ T1318] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 159.443684][ T1318] __sys_sendmsg (net/socket.c:2700) [ 159.444041][ T1318] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 159.444434][ T1318] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 159.445033][ T1318] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 159.445407][ T1318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 159.445768][ T1318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 159.446581][ T1318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 159.447011][ T1318] RIP: 0033:0x7f8d616b41e7 [ 159.447377][ T1318] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 159.448606][ T1318] RSP: 002b:00007ffd7372d778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.449522][ T1318] RAX: ffffffffffffffda RBX: 00007ffd7372dea0 RCX: 00007f8d616b41e7 [ 159.450328][ T1318] RDX: 0000000000000000 RSI: 00007ffd7372d7e0 RDI: 0000000000000005 [ 159.451607][ T1318] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 159.452522][ T1318] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd7372ded8 [ 159.453420][ T1318] R13: 00000000686e0b95 R14: 0000000000499600 R15: 0000000000000000 | [ 159.656908][ T1319] ------------[ cut here ]------------ | [ 159.657549][ T1319] WARNING: CPU: 3 PID: 1319 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 159.658757][ T1319] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 159.660944][ T1319] Tainted: [W]=WARN [ 159.661423][ T1319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 159.662182][ T1319] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 159.662844][ T1319] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 159.665033][ T1319] RSP: 0018:ffffc90000f47080 EFLAGS: 00010246 [ 159.665823][ T1319] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 159.666747][ T1319] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 159.667679][ T1319] RBP: ffffc90000f47168 R08: 0000000000000000 R09: 0000000000000000 [ 159.668600][ T1319] R10: ffffc90000f47198 R11: ffffffff924a8918 R12: 1ffff920001e8e14 [ 159.669530][ T1319] R13: 00000000000005dc R14: ffffc90000f47198 R15: ffff888012042f08 [ 159.670449][ T1319] FS: 00007f73d596a800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 159.671479][ T1319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 159.672209][ T1319] CR2: 00000000004a1738 CR3: 000000000f5e7002 CR4: 0000000000772ef0 [ 159.673060][ T1319] PKRU: 55555554 [ 159.673504][ T1319] Call Trace: [ 159.673932][ T1319] [ 159.674222][ T1319] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 159.674853][ T1319] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 159.675440][ T1319] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 159.676154][ T1319] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 159.676723][ T1319] netif_set_mtu (net/core/dev.c:9652) [ 159.677322][ T1319] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 159.677958][ T1319] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 159.678794][ T1319] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 159.679223][ T1319] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 159.680009][ T1319] br_add_if (net/bridge/br_if.c:697) bridge [ 159.680661][ T1319] do_set_master (net/core/rtnetlink.c:2948) [ 159.681242][ T1319] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 159.681846][ T1319] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 159.682472][ T1319] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 159.683062][ T1319] ? __dev_get_by_name (net/core/dev.c:865) [ 159.683666][ T1319] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.684267][ T1319] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.684884][ T1319] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 159.685482][ T1319] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.686074][ T1319] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 159.686710][ T1319] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 159.687169][ T1319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.687527][ T1319] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 159.687890][ T1319] ? __lock_release (kernel/locking/lockdep.c:5539) [ 159.688233][ T1319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.688574][ T1319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 159.688929][ T1319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.689269][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.689615][ T1319] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 159.690172][ T1319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.690637][ T1319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 159.691014][ T1319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 159.691360][ T1319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 159.691851][ T1319] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 159.692192][ T1319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 159.692539][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.692895][ T1319] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 159.693236][ T1319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 159.693580][ T1319] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 159.693944][ T1319] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 159.694298][ T1319] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 159.694647][ T1319] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 159.695099][ T1319] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 159.695457][ T1319] ___sys_sendmsg (net/socket.c:2670) [ 159.695797][ T1319] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 159.696138][ T1319] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 159.696483][ T1319] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.696830][ T1319] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 159.697188][ T1319] ? __handle_mm_fault (mm/memory.c:6212) [ 159.697552][ T1319] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 159.697903][ T1319] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 159.698253][ T1319] __sys_sendmsg (net/socket.c:2700) [ 159.698598][ T1319] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 159.698931][ T1319] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 159.699272][ T1319] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 159.699621][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 159.699960][ T1319] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 159.700300][ T1319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 159.700733][ T1319] RIP: 0033:0x7f73d5b371e7 [ 159.701086][ T1319] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 159.702289][ T1319] RSP: 002b:00007ffc527883e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.702809][ T1319] RAX: ffffffffffffffda RBX: 00007ffc52788b10 RCX: 00007f73d5b371e7 [ 159.703311][ T1319] RDX: 0000000000000000 RSI: 00007ffc52788450 RDI: 0000000000000005 [ 159.703816][ T1319] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 159.704328][ T1319] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc52788b48 [ 159.704836][ T1319] R13: 00000000686e0b95 R14: 0000000000499600 R15: 0000000000000000 | [ 159.858574][ T1321] ------------[ cut here ]------------ | [ 159.858916][ T1321] WARNING: CPU: 3 PID: 1321 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 159.859621][ T1321] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 159.860828][ T1321] Tainted: [W]=WARN [ 159.861088][ T1321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 159.861512][ T1321] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 159.861855][ T1321] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 159.863052][ T1321] RSP: 0018:ffffc90000f47080 EFLAGS: 00010246 [ 159.863484][ T1321] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 159.863978][ T1321] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 159.864491][ T1321] RBP: ffffc90000f47168 R08: 0000000000000000 R09: 0000000000000000 [ 159.864990][ T1321] R10: ffffc90000f47198 R11: ffffffff924a8918 R12: 1ffff920001e8e14 [ 159.865502][ T1321] R13: 00000000000005dc R14: ffffc90000f47198 R15: ffff888012042f08 [ 159.866004][ T1321] FS: 00007f1c4b6b9800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 159.866589][ T1321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 159.867004][ T1321] CR2: 00000000004a1738 CR3: 000000000f378001 CR4: 0000000000772ef0 [ 159.867522][ T1321] PKRU: 55555554 [ 159.867778][ T1321] Call Trace: [ 159.868030][ T1321] [ 159.868203][ T1321] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 159.868553][ T1321] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 159.868885][ T1321] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 159.869296][ T1321] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 159.869668][ T1321] netif_set_mtu (net/core/dev.c:9652) [ 159.870010][ T1321] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 159.870350][ T1321] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 159.870826][ T1321] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 159.871082][ T1321] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 159.871538][ T1321] br_add_if (net/bridge/br_if.c:697) bridge [ 159.871913][ T1321] do_set_master (net/core/rtnetlink.c:2948) [ 159.872242][ T1321] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 159.872590][ T1321] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 159.872927][ T1321] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 159.873265][ T1321] ? __dev_get_by_name (net/core/dev.c:865) [ 159.873606][ T1321] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.873947][ T1321] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.874298][ T1321] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 159.874636][ T1321] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.874977][ T1321] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 159.875313][ T1321] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 159.875655][ T1321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.876000][ T1321] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 159.876329][ T1321] ? __lock_release (kernel/locking/lockdep.c:5539) [ 159.876668][ T1321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.876995][ T1321] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 159.877326][ T1321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.877666][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.878001][ T1321] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 159.878338][ T1321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.878690][ T1321] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 159.879033][ T1321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 159.879362][ T1321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 159.879703][ T1321] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 159.880039][ T1321] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 159.880370][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.880724][ T1321] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 159.881058][ T1321] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 159.881406][ T1321] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 159.881761][ T1321] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 159.882106][ T1321] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 159.882443][ T1321] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 159.882860][ T1321] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 159.883200][ T1321] ___sys_sendmsg (net/socket.c:2670) [ 159.883547][ T1321] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 159.883879][ T1321] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 159.884211][ T1321] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.884563][ T1321] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 159.884910][ T1321] ? __handle_mm_fault (mm/memory.c:6212) [ 159.885251][ T1321] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 159.885601][ T1321] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 159.885957][ T1321] __sys_sendmsg (net/socket.c:2700) [ 159.886292][ T1321] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 159.886636][ T1321] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 159.886980][ T1321] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 159.887325][ T1321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 159.887687][ T1321] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 159.888024][ T1321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 159.888450][ T1321] RIP: 0033:0x7f1c4b8861e7 [ 159.888804][ T1321] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 159.890013][ T1321] RSP: 002b:00007ffec783e858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.890568][ T1321] RAX: ffffffffffffffda RBX: 00007ffec783ef80 RCX: 00007f1c4b8861e7 [ 159.891075][ T1321] RDX: 0000000000000000 RSI: 00007ffec783e8c0 RDI: 0000000000000005 [ 159.891587][ T1321] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 159.892093][ T1321] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffec783efb8 [ 159.892612][ T1321] R13: 00000000686e0b95 R14: 0000000000499600 R15: 0000000000000000 | [ 160.069715][ T1323] ------------[ cut here ]------------ | [ 160.070073][ T1323] WARNING: CPU: 0 PID: 1323 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 160.070858][ T1323] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 160.072097][ T1323] Tainted: [W]=WARN [ 160.072374][ T1323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.072801][ T1323] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 160.073147][ T1323] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 160.074413][ T1323] RSP: 0000:ffffc90000fb7080 EFLAGS: 00010246 [ 160.074844][ T1323] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 160.075359][ T1323] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 160.075889][ T1323] RBP: ffffc90000fb7168 R08: 0000000000000000 R09: 0000000000000000 [ 160.076428][ T1323] R10: ffffc90000fb7198 R11: ffffffff924a8918 R12: 1ffff920001f6e14 [ 160.076956][ T1323] R13: 00000000000005dc R14: ffffc90000fb7198 R15: ffff888012042f08 [ 160.077479][ T1323] FS: 00007f02f41d4800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 160.078062][ T1323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 160.078529][ T1323] CR2: 00007f9669a76c94 CR3: 000000000f0d4001 CR4: 0000000000772ef0 [ 160.079078][ T1323] PKRU: 55555554 [ 160.079340][ T1323] Call Trace: [ 160.079622][ T1323] [ 160.079797][ T1323] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 160.080155][ T1323] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 160.080533][ T1323] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 160.080992][ T1323] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 160.081334][ T1323] netif_set_mtu (net/core/dev.c:9652) [ 160.081711][ T1323] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 160.082066][ T1323] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 160.082554][ T1323] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 160.082812][ T1323] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 160.083276][ T1323] br_add_if (net/bridge/br_if.c:697) bridge [ 160.083679][ T1323] do_set_master (net/core/rtnetlink.c:2948) [ 160.084030][ T1323] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 160.084422][ T1323] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 160.084780][ T1323] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 160.085121][ T1323] ? __dev_get_by_name (net/core/dev.c:865) [ 160.085473][ T1323] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.085825][ T1323] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.086167][ T1323] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 160.086512][ T1323] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.086888][ T1323] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 160.087242][ T1323] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 160.087599][ T1323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.087974][ T1323] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 160.088316][ T1323] ? __lock_release (kernel/locking/lockdep.c:5539) [ 160.088690][ T1323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.089031][ T1323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 160.089378][ T1323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.089751][ T1323] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.090104][ T1323] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 160.090447][ T1323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.090805][ T1323] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 160.091161][ T1323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 160.091515][ T1323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 160.091873][ T1323] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 160.092212][ T1323] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 160.092555][ T1323] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.092908][ T1323] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 160.093247][ T1323] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 160.093593][ T1323] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 160.093954][ T1323] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 160.094316][ T1323] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 160.094670][ T1323] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 160.095108][ T1323] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 160.095468][ T1323] ___sys_sendmsg (net/socket.c:2670) [ 160.095803][ T1323] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 160.096152][ T1323] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 160.096505][ T1323] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.096876][ T1323] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 160.097234][ T1323] ? __handle_mm_fault (mm/memory.c:6212) [ 160.097585][ T1323] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 160.097938][ T1323] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 160.098297][ T1323] __sys_sendmsg (net/socket.c:2700) [ 160.098658][ T1323] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 160.099014][ T1323] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 160.099360][ T1323] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 160.099710][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 160.100066][ T1323] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 160.100410][ T1323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 160.100826][ T1323] RIP: 0033:0x7f02f43a11e7 [ 160.101207][ T1323] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 160.102440][ T1323] RSP: 002b:00007ffc78b3a4b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.102955][ T1323] RAX: ffffffffffffffda RBX: 00007ffc78b3abe0 RCX: 00007f02f43a11e7 [ 160.103490][ T1323] RDX: 0000000000000000 RSI: 00007ffc78b3a520 RDI: 0000000000000005 [ 160.104014][ T1323] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 160.104563][ T1323] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc78b3ac18 [ 160.105078][ T1323] R13: 00000000686e0b95 R14: 0000000000499600 R15: 0000000000000000 | [ 160.263993][ T1325] ------------[ cut here ]------------ | [ 160.264368][ T1325] WARNING: CPU: 2 PID: 1325 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 160.265107][ T1325] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 160.266354][ T1325] Tainted: [W]=WARN [ 160.266663][ T1325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.267091][ T1325] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 160.267455][ T1325] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 160.268631][ T1325] RSP: 0018:ffffc90000fd7080 EFLAGS: 00010246 [ 160.269050][ T1325] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 160.269587][ T1325] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 160.270084][ T1325] RBP: ffffc90000fd7168 R08: 0000000000000000 R09: 0000000000000000 [ 160.270593][ T1325] R10: ffffc90000fd7198 R11: ffffffff924a8918 R12: 1ffff920001fae14 [ 160.271096][ T1325] R13: 00000000000005dc R14: ffffc90000fd7198 R15: ffff888012042f08 [ 160.271610][ T1325] FS: 00007f7b207ac800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 160.272211][ T1325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 160.272647][ T1325] CR2: 00000000004a1738 CR3: 000000000a641004 CR4: 0000000000772ef0 [ 160.273166][ T1325] PKRU: 55555554 [ 160.273436][ T1325] Call Trace: [ 160.273690][ T1325] [ 160.273870][ T1325] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 160.274215][ T1325] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 160.274584][ T1325] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 160.275008][ T1325] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 160.275349][ T1325] netif_set_mtu (net/core/dev.c:9652) [ 160.275711][ T1325] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 160.276071][ T1325] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 160.276563][ T1325] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 160.276824][ T1325] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 160.277283][ T1325] br_add_if (net/bridge/br_if.c:697) bridge [ 160.277675][ T1325] do_set_master (net/core/rtnetlink.c:2948) [ 160.278018][ T1325] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 160.278358][ T1325] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 160.278711][ T1325] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 160.279048][ T1325] ? __dev_get_by_name (net/core/dev.c:865) [ 160.279404][ T1325] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.279748][ T1325] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.280091][ T1325] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 160.280438][ T1325] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.280784][ T1325] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 160.281132][ T1325] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 160.281485][ T1325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.281831][ T1325] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 160.282174][ T1325] ? __lock_release (kernel/locking/lockdep.c:5539) [ 160.282527][ T1325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.282867][ T1325] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 160.283205][ T1325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.283568][ T1325] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.283916][ T1325] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 160.284284][ T1325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.284651][ T1325] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 160.285004][ T1325] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 160.285338][ T1325] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 160.285688][ T1325] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 160.286031][ T1325] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 160.286372][ T1325] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.286730][ T1325] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 160.287074][ T1325] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 160.287419][ T1325] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 160.287771][ T1325] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 160.288114][ T1325] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 160.288462][ T1325] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 160.288885][ T1325] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 160.289231][ T1325] ___sys_sendmsg (net/socket.c:2670) [ 160.289577][ T1325] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 160.289914][ T1325] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 160.290254][ T1325] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.290601][ T1325] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 160.290948][ T1325] ? __handle_mm_fault (mm/memory.c:6212) [ 160.291286][ T1325] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 160.291630][ T1325] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 160.291986][ T1325] __sys_sendmsg (net/socket.c:2700) [ 160.292326][ T1325] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 160.292671][ T1325] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 160.293020][ T1325] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 160.293367][ T1325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 160.293718][ T1325] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 160.294064][ T1325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 160.294504][ T1325] RIP: 0033:0x7f7b209791e7 [ 160.294848][ T1325] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 160.296033][ T1325] RSP: 002b:00007fff05ebb0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.296545][ T1325] RAX: ffffffffffffffda RBX: 00007fff05ebb820 RCX: 00007f7b209791e7 [ 160.297069][ T1325] RDX: 0000000000000000 RSI: 00007fff05ebb160 RDI: 0000000000000005 [ 160.297588][ T1325] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 160.298098][ T1325] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff05ebb858 [ 160.298610][ T1325] R13: 00000000686e0b95 R14: 0000000000499600 R15: 0000000000000000 | [ 160.480420][ T1327] ------------[ cut here ]------------ | [ 160.481038][ T1327] WARNING: CPU: 2 PID: 1327 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 160.482199][ T1327] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 160.484355][ T1327] Tainted: [W]=WARN [ 160.484838][ T1327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.485602][ T1327] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 160.486238][ T1327] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 160.488298][ T1327] RSP: 0018:ffffc90000be7080 EFLAGS: 00010246 [ 160.489057][ T1327] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 160.489952][ T1327] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 160.490840][ T1327] RBP: ffffc90000be7168 R08: 0000000000000000 R09: 0000000000000000 [ 160.491736][ T1327] R10: ffffc90000be7198 R11: ffffffff924a8918 R12: 1ffff9200017ce14 [ 160.492632][ T1327] R13: 00000000000005dc R14: ffffc90000be7198 R15: ffff888012042f08 [ 160.493502][ T1327] FS: 00007fc7b840c800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 160.494562][ T1327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 160.495303][ T1327] CR2: 00000000004a1738 CR3: 0000000005212003 CR4: 0000000000772ef0 [ 160.496232][ T1327] PKRU: 55555554 [ 160.496700][ T1327] Call Trace: [ 160.497173][ T1327] [ 160.497521][ T1327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 160.498147][ T1327] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 160.498773][ T1327] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 160.499513][ T1327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 160.500108][ T1327] netif_set_mtu (net/core/dev.c:9652) [ 160.500718][ T1327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 160.501331][ T1327] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 160.502168][ T1327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 160.502654][ T1327] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 160.503468][ T1327] br_add_if (net/bridge/br_if.c:697) bridge [ 160.504145][ T1327] do_set_master (net/core/rtnetlink.c:2948) [ 160.504774][ T1327] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 160.505386][ T1327] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 160.506023][ T1327] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 160.506627][ T1327] ? __dev_get_by_name (net/core/dev.c:865) [ 160.507225][ T1327] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.507847][ T1327] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.508493][ T1327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 160.509078][ T1327] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.509693][ T1327] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 160.510324][ T1327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 160.510957][ T1327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.511596][ T1327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 160.512203][ T1327] ? __lock_release (kernel/locking/lockdep.c:5539) [ 160.512870][ T1327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.513482][ T1327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 160.514071][ T1327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.514710][ T1327] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.515320][ T1327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 160.515937][ T1327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.516555][ T1327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 160.517184][ T1327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 160.517786][ T1327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 160.518422][ T1327] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 160.519039][ T1327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 160.519658][ T1327] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.520263][ T1327] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 160.520907][ T1327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 160.521538][ T1327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 160.522153][ T1327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 160.522754][ T1327] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 160.523350][ T1327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 160.524121][ T1327] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 160.524765][ T1327] ___sys_sendmsg (net/socket.c:2670) [ 160.525406][ T1327] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 160.526019][ T1327] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 160.526655][ T1327] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.527228][ T1327] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 160.527861][ T1327] ? __handle_mm_fault (mm/memory.c:6212) [ 160.528493][ T1327] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 160.529115][ T1327] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 160.529787][ T1327] __sys_sendmsg (net/socket.c:2700) [ 160.530206][ T1327] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 160.530562][ T1327] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 160.530916][ T1327] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 160.531281][ T1327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 160.531633][ T1327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 160.531969][ T1327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 160.532424][ T1327] RIP: 0033:0x7fc7b85d91e7 [ 160.532783][ T1327] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 160.533992][ T1327] RSP: 002b:00007ffdf9cb9ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.534547][ T1327] RAX: ffffffffffffffda RBX: 00007ffdf9cba620 RCX: 00007fc7b85d91e7 [ 160.535047][ T1327] RDX: 0000000000000000 RSI: 00007ffdf9cb9f60 RDI: 0000000000000005 [ 160.535582][ T1327] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 160.536076][ T1327] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf9cba658 [ 160.537000][ T1327] R13: 00000000686e0b96 R14: 0000000000499600 R15: 0000000000000000 | [ 160.730322][ T1329] ------------[ cut here ]------------ | [ 160.730770][ T1329] WARNING: CPU: 2 PID: 1329 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 160.731470][ T1329] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 160.732730][ T1329] Tainted: [W]=WARN [ 160.732994][ T1329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.733436][ T1329] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 160.733808][ T1329] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 160.735111][ T1329] RSP: 0018:ffffc90000fa7080 EFLAGS: 00010246 [ 160.735571][ T1329] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 160.736100][ T1329] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 160.736645][ T1329] RBP: ffffc90000fa7168 R08: 0000000000000000 R09: 0000000000000000 [ 160.737190][ T1329] R10: ffffc90000fa7198 R11: ffffffff924a8918 R12: 1ffff920001f4e14 [ 160.737766][ T1329] R13: 00000000000005dc R14: ffffc90000fa7198 R15: ffff888012042f08 [ 160.738321][ T1329] FS: 00007fd7e3efa800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 160.738996][ T1329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 160.739495][ T1329] CR2: 00000000004a1738 CR3: 0000000004e5d006 CR4: 0000000000772ef0 [ 160.740060][ T1329] PKRU: 55555554 [ 160.740380][ T1329] Call Trace: [ 160.740727][ T1329] [ 160.740969][ T1329] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 160.741447][ T1329] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 160.741839][ T1329] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 160.742280][ T1329] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 160.742645][ T1329] netif_set_mtu (net/core/dev.c:9652) [ 160.743018][ T1329] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 160.743381][ T1329] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 160.743880][ T1329] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 160.744154][ T1329] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 160.744651][ T1329] br_add_if (net/bridge/br_if.c:697) bridge [ 160.745056][ T1329] do_set_master (net/core/rtnetlink.c:2948) [ 160.745416][ T1329] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 160.745766][ T1329] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 160.746147][ T1329] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 160.746539][ T1329] ? __dev_get_by_name (net/core/dev.c:865) [ 160.746941][ T1329] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.747353][ T1329] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.747828][ T1329] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 160.748247][ T1329] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.748669][ T1329] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 160.749090][ T1329] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 160.749520][ T1329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.749898][ T1329] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 160.750290][ T1329] ? __lock_release (kernel/locking/lockdep.c:5539) [ 160.750663][ T1329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.751079][ T1329] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 160.751535][ T1329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.751970][ T1329] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.752342][ T1329] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 160.752730][ T1329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.753110][ T1329] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 160.753504][ T1329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 160.753865][ T1329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 160.754257][ T1329] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 160.754674][ T1329] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 160.755075][ T1329] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.755493][ T1329] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 160.755911][ T1329] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 160.756291][ T1329] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 160.756683][ T1329] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 160.757063][ T1329] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 160.757435][ T1329] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 160.757890][ T1329] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 160.758257][ T1329] ___sys_sendmsg (net/socket.c:2670) [ 160.758619][ T1329] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 160.758976][ T1329] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 160.759339][ T1329] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.759706][ T1329] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 160.760067][ T1329] ? __handle_mm_fault (mm/memory.c:6212) [ 160.760432][ T1329] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 160.760794][ T1329] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 160.761194][ T1329] __sys_sendmsg (net/socket.c:2700) [ 160.761568][ T1329] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 160.761925][ T1329] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 160.762293][ T1329] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 160.762714][ T1329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 160.763139][ T1329] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 160.763574][ T1329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 160.764095][ T1329] RIP: 0033:0x7fd7e40c71e7 [ 160.764514][ T1329] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 160.765907][ T1329] RSP: 002b:00007ffe4f4b01e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.766561][ T1329] RAX: ffffffffffffffda RBX: 00007ffe4f4b0910 RCX: 00007fd7e40c71e7 [ 160.767155][ T1329] RDX: 0000000000000000 RSI: 00007ffe4f4b0250 RDI: 0000000000000005 [ 160.767768][ T1329] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 160.768334][ T1329] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe4f4b0948 [ 160.768943][ T1329] R13: 00000000686e0b96 R14: 0000000000499600 R15: 0000000000000000 | [ 160.942807][ T1332] ------------[ cut here ]------------ | [ 160.943411][ T1332] WARNING: CPU: 3 PID: 1332 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 160.944571][ T1332] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 160.946631][ T1332] Tainted: [W]=WARN [ 160.947078][ T1332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.947635][ T1332] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 160.948005][ T1332] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 160.949289][ T1332] RSP: 0018:ffffc90000fd7080 EFLAGS: 00010246 [ 160.949747][ T1332] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 160.950282][ T1332] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 160.950836][ T1332] RBP: ffffc90000fd7168 R08: 0000000000000000 R09: 0000000000000000 [ 160.951375][ T1332] R10: ffffc90000fd7198 R11: ffffffff924a8918 R12: 1ffff920001fae14 [ 160.951928][ T1332] R13: 00000000000005dc R14: ffffc90000fd7198 R15: ffff888012042f08 [ 160.952483][ T1332] FS: 00007f3728cf2800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 160.953118][ T1332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 160.953580][ T1332] CR2: 00000000004a1738 CR3: 00000000096dc002 CR4: 0000000000772ef0 [ 160.954105][ T1332] PKRU: 55555554 [ 160.954411][ T1332] Call Trace: [ 160.954676][ T1332] [ 160.954857][ T1332] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 160.955221][ T1332] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 160.955600][ T1332] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 160.956045][ T1332] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 160.956417][ T1332] netif_set_mtu (net/core/dev.c:9652) [ 160.956778][ T1332] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 160.957162][ T1332] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 160.957749][ T1332] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 160.958144][ T1332] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 160.958890][ T1332] br_add_if (net/bridge/br_if.c:697) bridge [ 160.959569][ T1332] do_set_master (net/core/rtnetlink.c:2948) [ 160.960137][ T1332] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 160.960738][ T1332] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 160.961319][ T1332] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 160.961903][ T1332] ? __dev_get_by_name (net/core/dev.c:865) [ 160.962493][ T1332] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.963084][ T1332] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.963679][ T1332] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 160.964092][ T1332] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.964474][ T1332] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 160.964827][ T1332] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 160.965173][ T1332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.965542][ T1332] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 160.965903][ T1332] ? __lock_release (kernel/locking/lockdep.c:5539) [ 160.966251][ T1332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.966593][ T1332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 160.966930][ T1332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.967277][ T1332] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.967630][ T1332] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 160.967970][ T1332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.968343][ T1332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 160.968772][ T1332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 160.969321][ T1332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 160.969741][ T1332] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 160.970153][ T1332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 160.970539][ T1332] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.971085][ T1332] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 160.971712][ T1332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 160.972318][ T1332] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 160.972921][ T1332] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 160.973295][ T1332] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 160.973680][ T1332] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 160.974414][ T1332] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 160.975016][ T1332] ___sys_sendmsg (net/socket.c:2670) [ 160.975624][ T1332] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 160.976205][ T1332] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 160.976779][ T1332] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.977339][ T1332] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 160.977937][ T1332] ? __handle_mm_fault (mm/memory.c:6212) [ 160.978521][ T1332] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 160.979079][ T1332] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 160.979682][ T1332] __sys_sendmsg (net/socket.c:2700) [ 160.980129][ T1332] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 160.980496][ T1332] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 160.980955][ T1332] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 160.981316][ T1332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 160.981825][ T1332] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 160.982158][ T1332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 160.982583][ T1332] RIP: 0033:0x7f3728ebf1e7 [ 160.982938][ T1332] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 160.984152][ T1332] RSP: 002b:00007ffc971f60e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.984698][ T1332] RAX: ffffffffffffffda RBX: 00007ffc971f6810 RCX: 00007f3728ebf1e7 [ 160.985207][ T1332] RDX: 0000000000000000 RSI: 00007ffc971f6150 RDI: 0000000000000005 [ 160.985737][ T1332] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 160.986250][ T1332] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc971f6848 [ 160.986786][ T1332] R13: 00000000686e0b96 R14: 0000000000499600 R15: 0000000000000000 | [ 161.161079][ T1334] ------------[ cut here ]------------ | [ 161.161550][ T1334] WARNING: CPU: 3 PID: 1334 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 161.162277][ T1334] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 161.164007][ T1334] Tainted: [W]=WARN [ 161.164473][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.165011][ T1334] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 161.165514][ T1334] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 161.167560][ T1334] RSP: 0018:ffffc90001007080 EFLAGS: 00010246 [ 161.168289][ T1334] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 161.169177][ T1334] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 161.170100][ T1334] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000 [ 161.170750][ T1334] R10: ffffc90001007198 R11: ffffffff924a8918 R12: 1ffff92000200e14 [ 161.171336][ T1334] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff888012042f08 [ 161.172013][ T1334] FS: 00007f1fced69800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 161.172622][ T1334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.173117][ T1334] CR2: 00000000004a1738 CR3: 000000000907b001 CR4: 0000000000772ef0 [ 161.173724][ T1334] PKRU: 55555554 [ 161.173987][ T1334] Call Trace: [ 161.174346][ T1334] [ 161.174587][ T1334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 161.175004][ T1334] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 161.175359][ T1334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 161.175890][ T1334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 161.176230][ T1334] netif_set_mtu (net/core/dev.c:9652) [ 161.176610][ T1334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 161.177079][ T1334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 161.177681][ T1334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 161.177943][ T1334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 161.178436][ T1334] br_add_if (net/bridge/br_if.c:697) bridge [ 161.178823][ T1334] do_set_master (net/core/rtnetlink.c:2948) [ 161.179201][ T1334] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 161.179682][ T1334] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 161.180035][ T1334] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 161.180369][ T1334] ? __dev_get_by_name (net/core/dev.c:865) [ 161.180815][ T1334] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.181150][ T1334] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.181509][ T1334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 161.181840][ T1334] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.182266][ T1334] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 161.182695][ T1334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 161.183053][ T1334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.183536][ T1334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 161.183937][ T1334] ? __lock_release (kernel/locking/lockdep.c:5539) [ 161.184321][ T1334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.184683][ T1334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 161.185098][ T1334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.185463][ T1334] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.185799][ T1334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 161.186217][ T1334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.186640][ T1334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 161.186994][ T1334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 161.187450][ T1334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 161.187982][ T1334] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 161.188324][ T1334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 161.188679][ T1334] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.189017][ T1334] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 161.189529][ T1334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 161.189887][ T1334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 161.190312][ T1334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 161.190684][ T1334] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 161.191103][ T1334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 161.191593][ T1334] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 161.191974][ T1334] ___sys_sendmsg (net/socket.c:2670) [ 161.192302][ T1334] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 161.192659][ T1334] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 161.193013][ T1334] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.193421][ T1334] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 161.193845][ T1334] ? __handle_mm_fault (mm/memory.c:6212) [ 161.194306][ T1334] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 161.194678][ T1334] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 161.195117][ T1334] __sys_sendmsg (net/socket.c:2700) [ 161.195532][ T1334] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 161.196049][ T1334] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 161.196527][ T1334] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 161.196867][ T1334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 161.197206][ T1334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 161.197567][ T1334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 161.197985][ T1334] RIP: 0033:0x7f1fcef361e7 [ 161.198363][ T1334] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 161.199648][ T1334] RSP: 002b:00007fff460a88e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.200159][ T1334] RAX: ffffffffffffffda RBX: 00007fff460a9010 RCX: 00007f1fcef361e7 [ 161.200687][ T1334] RDX: 0000000000000000 RSI: 00007fff460a8950 RDI: 0000000000000005 [ 161.201188][ T1334] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 161.201717][ T1334] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff460a9048 [ 161.202207][ T1334] R13: 00000000686e0b96 R14: 0000000000499600 R15: 0000000000000000 | [ 161.365597][ T1335] ------------[ cut here ]------------ | [ 161.366072][ T1335] WARNING: CPU: 2 PID: 1335 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 161.366914][ T1335] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 161.368480][ T1335] Tainted: [W]=WARN [ 161.368912][ T1335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.369442][ T1335] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 161.369816][ T1335] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 161.371134][ T1335] RSP: 0018:ffffc90001007080 EFLAGS: 00010246 [ 161.371712][ T1335] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 161.372361][ T1335] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 161.373000][ T1335] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000 [ 161.373513][ T1335] R10: ffffc90001007198 R11: ffffffff924a8918 R12: 1ffff92000200e14 [ 161.374017][ T1335] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff888012042f08 [ 161.374702][ T1335] FS: 00007f8e636de800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 161.375684][ T1335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.376427][ T1335] CR2: 00000000004a1738 CR3: 000000000f3e8006 CR4: 0000000000772ef0 [ 161.377125][ T1335] PKRU: 55555554 [ 161.377405][ T1335] Call Trace: [ 161.377662][ T1335] [ 161.377839][ T1335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 161.378182][ T1335] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 161.378522][ T1335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 161.378941][ T1335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 161.379273][ T1335] netif_set_mtu (net/core/dev.c:9652) [ 161.379618][ T1335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 161.379963][ T1335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 161.380433][ T1335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 161.380688][ T1335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 161.381141][ T1335] br_add_if (net/bridge/br_if.c:697) bridge [ 161.381531][ T1335] do_set_master (net/core/rtnetlink.c:2948) [ 161.381871][ T1335] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 161.382213][ T1335] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 161.382566][ T1335] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 161.382908][ T1335] ? __dev_get_by_name (net/core/dev.c:865) [ 161.383251][ T1335] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.383600][ T1335] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.383943][ T1335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 161.384286][ T1335] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.384637][ T1335] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 161.384975][ T1335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 161.385309][ T1335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.385664][ T1335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 161.385992][ T1335] ? __lock_release (kernel/locking/lockdep.c:5539) [ 161.386328][ T1335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.386676][ T1335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 161.387010][ T1335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.387345][ T1335] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.387702][ T1335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 161.388034][ T1335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.388367][ T1335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 161.388730][ T1335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 161.389067][ T1335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 161.389411][ T1335] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 161.389746][ T1335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 161.390074][ T1335] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.390424][ T1335] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 161.390759][ T1335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 161.391089][ T1335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 161.391436][ T1335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 161.391774][ T1335] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 161.392103][ T1335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 161.392525][ T1335] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 161.392873][ T1335] ___sys_sendmsg (net/socket.c:2670) [ 161.393206][ T1335] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 161.393549][ T1335] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 161.393891][ T1335] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.394230][ T1335] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 161.394606][ T1335] ? __handle_mm_fault (mm/memory.c:6212) [ 161.394952][ T1335] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 161.395282][ T1335] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 161.395643][ T1335] __sys_sendmsg (net/socket.c:2700) [ 161.395978][ T1335] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 161.396313][ T1335] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 161.396769][ T1335] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 161.397115][ T1335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 161.397487][ T1335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 161.397821][ T1335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 161.398226][ T1335] RIP: 0033:0x7f8e638ab1e7 [ 161.398590][ T1335] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 161.399750][ T1335] RSP: 002b:00007ffc37ddec48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.400293][ T1335] RAX: ffffffffffffffda RBX: 00007ffc37ddf370 RCX: 00007f8e638ab1e7 [ 161.400805][ T1335] RDX: 0000000000000000 RSI: 00007ffc37ddecb0 RDI: 0000000000000005 [ 161.401299][ T1335] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 161.401820][ T1335] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc37ddf3a8 [ 161.402313][ T1335] R13: 00000000686e0b97 R14: 0000000000499600 R15: 0000000000000000 | [ 161.633615][ T1338] ------------[ cut here ]------------ | [ 161.634007][ T1338] WARNING: CPU: 1 PID: 1338 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 161.634684][ T1338] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 161.635964][ T1338] Tainted: [W]=WARN [ 161.636223][ T1338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.636671][ T1338] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 161.637033][ T1338] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 161.638472][ T1338] RSP: 0018:ffffc90000fa7080 EFLAGS: 00010246 [ 161.638892][ T1338] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 161.639551][ T1338] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 161.640063][ T1338] RBP: ffffc90000fa7168 R08: 0000000000000000 R09: 0000000000000000 [ 161.640580][ T1338] R10: ffffc90000fa7198 R11: ffffffff924a8918 R12: 1ffff920001f4e14 [ 161.641091][ T1338] R13: 00000000000005dc R14: ffffc90000fa7198 R15: ffff888012042f08 [ 161.641607][ T1338] FS: 00007f0fe3672800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 161.642206][ T1338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.642640][ T1338] CR2: 00000000004a1738 CR3: 00000000051cf004 CR4: 0000000000772ef0 [ 161.643148][ T1338] PKRU: 55555554 [ 161.643408][ T1338] Call Trace: [ 161.643664][ T1338] [ 161.643840][ T1338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 161.644187][ T1338] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 161.644552][ T1338] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 161.644995][ T1338] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 161.645347][ T1338] netif_set_mtu (net/core/dev.c:9652) [ 161.645697][ T1338] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 161.646047][ T1338] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 161.646540][ T1338] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 161.646791][ T1338] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 161.647264][ T1338] br_add_if (net/bridge/br_if.c:697) bridge [ 161.647657][ T1338] do_set_master (net/core/rtnetlink.c:2948) [ 161.647993][ T1338] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 161.648332][ T1338] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 161.648687][ T1338] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 161.649015][ T1338] ? __dev_get_by_name (net/core/dev.c:865) [ 161.649355][ T1338] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.649706][ T1338] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.650065][ T1338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 161.650423][ T1338] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.650769][ T1338] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 161.651115][ T1338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 161.651470][ T1338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.651818][ T1338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 161.652151][ T1338] ? __lock_release (kernel/locking/lockdep.c:5539) [ 161.652507][ T1338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.652851][ T1338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 161.653182][ T1338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.653526][ T1338] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.653864][ T1338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 161.654195][ T1338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.654579][ T1338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 161.654937][ T1338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 161.655276][ T1338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 161.655640][ T1338] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 161.655989][ T1338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 161.656337][ T1338] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.656703][ T1338] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 161.657047][ T1338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 161.657416][ T1338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 161.657766][ T1338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 161.658102][ T1338] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 161.658443][ T1338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 161.658863][ T1338] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 161.659208][ T1338] ___sys_sendmsg (net/socket.c:2670) [ 161.659556][ T1338] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 161.659892][ T1338] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 161.660226][ T1338] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.660572][ T1338] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 161.660914][ T1338] ? __handle_mm_fault (mm/memory.c:6212) [ 161.661261][ T1338] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 161.661619][ T1338] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 161.661977][ T1338] __sys_sendmsg (net/socket.c:2700) [ 161.662314][ T1338] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 161.662668][ T1338] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 161.663019][ T1338] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 161.663366][ T1338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 161.663733][ T1338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 161.664087][ T1338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 161.664538][ T1338] RIP: 0033:0x7f0fe383f1e7 [ 161.664891][ T1338] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 161.666123][ T1338] RSP: 002b:00007fff752f0e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.666646][ T1338] RAX: ffffffffffffffda RBX: 00007fff752f1540 RCX: 00007f0fe383f1e7 [ 161.667153][ T1338] RDX: 0000000000000000 RSI: 00007fff752f0e80 RDI: 0000000000000005 [ 161.667675][ T1338] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 161.668186][ T1338] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff752f1578 [ 161.668700][ T1338] R13: 00000000686e0b97 R14: 0000000000499600 R15: 0000000000000000 | [ 161.847338][ T1340] ------------[ cut here ]------------ | [ 161.847765][ T1340] WARNING: CPU: 2 PID: 1340 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 161.848472][ T1340] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 161.849716][ T1340] Tainted: [W]=WARN [ 161.849981][ T1340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.850429][ T1340] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 161.850786][ T1340] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 161.851986][ T1340] RSP: 0018:ffffc90001027080 EFLAGS: 00010246 [ 161.852429][ T1340] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 161.852940][ T1340] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 161.853462][ T1340] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000 [ 161.854002][ T1340] R10: ffffc90001027198 R11: ffffffff924a8918 R12: 1ffff92000204e14 [ 161.854536][ T1340] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff888012042f08 [ 161.855058][ T1340] FS: 00007fde8967c800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 161.855660][ T1340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.856087][ T1340] CR2: 00000000004a1738 CR3: 00000000051cf002 CR4: 0000000000772ef0 [ 161.856611][ T1340] PKRU: 55555554 [ 161.856874][ T1340] Call Trace: [ 161.857137][ T1340] [ 161.857336][ T1340] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 161.857710][ T1340] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 161.858059][ T1340] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 161.858501][ T1340] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 161.858849][ T1340] netif_set_mtu (net/core/dev.c:9652) [ 161.859191][ T1340] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 161.859556][ T1340] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 161.860046][ T1340] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 161.860318][ T1340] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 161.860796][ T1340] br_add_if (net/bridge/br_if.c:697) bridge [ 161.861188][ T1340] do_set_master (net/core/rtnetlink.c:2948) [ 161.861543][ T1340] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 161.861901][ T1340] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 161.862266][ T1340] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 161.862631][ T1340] ? __dev_get_by_name (net/core/dev.c:865) [ 161.862977][ T1340] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.863317][ T1340] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.863678][ T1340] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 161.864026][ T1340] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.864407][ T1340] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 161.864767][ T1340] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 161.865115][ T1340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.865517][ T1340] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 161.865994][ T1340] ? __lock_release (kernel/locking/lockdep.c:5539) [ 161.866348][ T1340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.866785][ T1340] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 161.867285][ T1340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.867654][ T1340] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.868015][ T1340] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 161.868365][ T1340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.868735][ T1340] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 161.869091][ T1340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 161.869438][ T1340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 161.869788][ T1340] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 161.870139][ T1340] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 161.870491][ T1340] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.870848][ T1340] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 161.871196][ T1340] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 161.871550][ T1340] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 161.871908][ T1340] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 161.872257][ T1340] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 161.872607][ T1340] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 161.873040][ T1340] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 161.873398][ T1340] ___sys_sendmsg (net/socket.c:2670) [ 161.873752][ T1340] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 161.874093][ T1340] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 161.874460][ T1340] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.874807][ T1340] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 161.875159][ T1340] ? __handle_mm_fault (mm/memory.c:6212) [ 161.875513][ T1340] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 161.875855][ T1340] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 161.876219][ T1340] __sys_sendmsg (net/socket.c:2700) [ 161.876582][ T1340] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 161.876930][ T1340] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 161.877285][ T1340] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 161.877656][ T1340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 161.878001][ T1340] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 161.878350][ T1340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 161.878796][ T1340] RIP: 0033:0x7fde898491e7 [ 161.879149][ T1340] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 161.880349][ T1340] RSP: 002b:00007ffc13ac9628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.880902][ T1340] RAX: ffffffffffffffda RBX: 00007ffc13ac9d50 RCX: 00007fde898491e7 [ 161.881434][ T1340] RDX: 0000000000000000 RSI: 00007ffc13ac9690 RDI: 0000000000000005 [ 161.881941][ T1340] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 161.882455][ T1340] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc13ac9d88 [ 161.882963][ T1340] R13: 00000000686e0b97 R14: 0000000000499600 R15: 0000000000000000 | [ 162.035823][ T1342] ------------[ cut here ]------------ | [ 162.036180][ T1342] WARNING: CPU: 3 PID: 1342 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 162.036933][ T1342] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 162.038189][ T1342] Tainted: [W]=WARN [ 162.038484][ T1342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.038916][ T1342] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 162.039289][ T1342] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 162.040537][ T1342] RSP: 0018:ffffc90000f47080 EFLAGS: 00010246 [ 162.040995][ T1342] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 162.041528][ T1342] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 162.042044][ T1342] RBP: ffffc90000f47168 R08: 0000000000000000 R09: 0000000000000000 [ 162.042583][ T1342] R10: ffffc90000f47198 R11: ffffffff924a8918 R12: 1ffff920001e8e14 [ 162.043084][ T1342] R13: 00000000000005dc R14: ffffc90000f47198 R15: ffff888012042f08 [ 162.043600][ T1342] FS: 00007f0c288ca800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 162.044196][ T1342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.044654][ T1342] CR2: 00000000004a1738 CR3: 00000000097a5003 CR4: 0000000000772ef0 [ 162.045169][ T1342] PKRU: 55555554 [ 162.045438][ T1342] Call Trace: [ 162.045713][ T1342] [ 162.045890][ T1342] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 162.046231][ T1342] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 162.046584][ T1342] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 162.047007][ T1342] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 162.047340][ T1342] netif_set_mtu (net/core/dev.c:9652) [ 162.047686][ T1342] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 162.048036][ T1342] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 162.048503][ T1342] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 162.048756][ T1342] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 162.049209][ T1342] br_add_if (net/bridge/br_if.c:697) bridge [ 162.049624][ T1342] do_set_master (net/core/rtnetlink.c:2948) [ 162.049977][ T1342] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 162.050333][ T1342] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 162.050694][ T1342] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 162.051039][ T1342] ? __dev_get_by_name (net/core/dev.c:865) [ 162.051402][ T1342] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.051735][ T1342] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.052060][ T1342] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 162.052383][ T1342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.052713][ T1342] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 162.053043][ T1342] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 162.053372][ T1342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.053716][ T1342] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 162.054032][ T1342] ? __lock_release (kernel/locking/lockdep.c:5539) [ 162.054376][ T1342] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.054712][ T1342] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 162.055031][ T1342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.055354][ T1342] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.055689][ T1342] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 162.056016][ T1342] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.056343][ T1342] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 162.056686][ T1342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 162.057007][ T1342] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 162.057336][ T1342] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 162.057670][ T1342] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 162.058001][ T1342] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.058336][ T1342] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 162.058689][ T1342] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 162.059034][ T1342] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 162.059379][ T1342] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 162.059732][ T1342] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 162.060076][ T1342] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 162.060530][ T1342] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 162.060890][ T1342] ___sys_sendmsg (net/socket.c:2670) [ 162.061246][ T1342] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 162.061620][ T1342] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 162.061956][ T1342] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.062293][ T1342] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 162.062646][ T1342] ? __handle_mm_fault (mm/memory.c:6212) [ 162.062978][ T1342] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 162.063311][ T1342] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 162.063673][ T1342] __sys_sendmsg (net/socket.c:2700) [ 162.064018][ T1342] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 162.064364][ T1342] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 162.064716][ T1342] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 162.065062][ T1342] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 162.065414][ T1342] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 162.065750][ T1342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 162.066169][ T1342] RIP: 0033:0x7f0c28a971e7 [ 162.066541][ T1342] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 162.067723][ T1342] RSP: 002b:00007ffd9d03c328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.068207][ T1342] RAX: ffffffffffffffda RBX: 00007ffd9d03ca50 RCX: 00007f0c28a971e7 [ 162.068731][ T1342] RDX: 0000000000000000 RSI: 00007ffd9d03c390 RDI: 0000000000000005 [ 162.069233][ T1342] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 162.069740][ T1342] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd9d03ca88 [ 162.070240][ T1342] R13: 00000000686e0b97 R14: 0000000000499600 R15: 0000000000000000 | [ 162.287172][ T1343] ------------[ cut here ]------------ | [ 162.287916][ T1343] WARNING: CPU: 2 PID: 1343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 162.289060][ T1343] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 162.291194][ T1343] Tainted: [W]=WARN [ 162.291677][ T1343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.292447][ T1343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 162.293073][ T1343] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 162.295130][ T1343] RSP: 0018:ffffc90000f47080 EFLAGS: 00010246 [ 162.295889][ T1343] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 162.296788][ T1343] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 162.297695][ T1343] RBP: ffffc90000f47168 R08: 0000000000000000 R09: 0000000000000000 [ 162.298588][ T1343] R10: ffffc90000f47198 R11: ffffffff924a8918 R12: 1ffff920001e8e14 [ 162.299501][ T1343] R13: 00000000000005dc R14: ffffc90000f47198 R15: ffff888012042f08 [ 162.300360][ T1343] FS: 00007f7a74f1a800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 162.301410][ T1343] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.302175][ T1343] CR2: 00007fee97a0c2a8 CR3: 00000000051b7006 CR4: 0000000000772ef0 [ 162.303066][ T1343] PKRU: 55555554 [ 162.303549][ T1343] Call Trace: [ 162.304017][ T1343] [ 162.304362][ T1343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 162.304985][ T1343] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 162.305617][ T1343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 162.306368][ T1343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 162.307005][ T1343] netif_set_mtu (net/core/dev.c:9652) [ 162.307616][ T1343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 162.308242][ T1343] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 162.309069][ T1343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 162.309581][ T1343] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 162.310382][ T1343] br_add_if (net/bridge/br_if.c:697) bridge [ 162.311078][ T1343] do_set_master (net/core/rtnetlink.c:2948) [ 162.311697][ T1343] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 162.312300][ T1343] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 162.312895][ T1343] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 162.313492][ T1343] ? __dev_get_by_name (net/core/dev.c:865) [ 162.314052][ T1343] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.314649][ T1343] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.315244][ T1343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 162.315848][ T1343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.316458][ T1343] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 162.317080][ T1343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 162.317692][ T1343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.318292][ T1343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 162.318892][ T1343] ? __lock_release (kernel/locking/lockdep.c:5539) [ 162.319498][ T1343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.320071][ T1343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 162.320695][ T1343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.321298][ T1343] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.321931][ T1343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 162.322540][ T1343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.323139][ T1343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 162.323778][ T1343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 162.324431][ T1343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 162.325022][ T1343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 162.325376][ T1343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 162.325747][ T1343] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.326101][ T1343] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 162.326476][ T1343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 162.326841][ T1343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 162.327203][ T1343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 162.327586][ T1343] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 162.327928][ T1343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 162.328353][ T1343] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 162.328729][ T1343] ___sys_sendmsg (net/socket.c:2670) [ 162.329085][ T1343] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 162.329449][ T1343] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 162.330040][ T1343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.330378][ T1343] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 162.330743][ T1343] ? __handle_mm_fault (mm/memory.c:6212) [ 162.331098][ T1343] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 162.331463][ T1343] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 162.332075][ T1343] __sys_sendmsg (net/socket.c:2700) [ 162.332441][ T1343] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 162.333045][ T1343] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 162.333653][ T1343] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 162.334000][ T1343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 162.334374][ T1343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 162.334984][ T1343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 162.335417][ T1343] RIP: 0033:0x7f7a750e71e7 [ 162.335798][ T1343] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 162.337238][ T1343] RSP: 002b:00007ffe2c66bee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.337763][ T1343] RAX: ffffffffffffffda RBX: 00007ffe2c66c610 RCX: 00007f7a750e71e7 [ 162.338532][ T1343] RDX: 0000000000000000 RSI: 00007ffe2c66bf50 RDI: 0000000000000005 [ 162.339023][ T1343] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 162.339546][ T1343] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe2c66c648 [ 162.340048][ T1343] R13: 00000000686e0b97 R14: 0000000000499600 R15: 0000000000000000 | [ 162.518248][ T1345] ------------[ cut here ]------------ | [ 162.518693][ T1345] WARNING: CPU: 3 PID: 1345 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 162.519572][ T1345] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 162.521777][ T1345] Tainted: [W]=WARN [ 162.522021][ T1345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.522428][ T1345] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 162.522761][ T1345] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 162.523924][ T1345] RSP: 0018:ffffc90000ef7080 EFLAGS: 00010246 [ 162.524352][ T1345] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 162.524844][ T1345] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 162.525329][ T1345] RBP: ffffc90000ef7168 R08: 0000000000000000 R09: 0000000000000000 [ 162.525825][ T1345] R10: ffffc90000ef7198 R11: ffffffff924a8918 R12: 1ffff920001dee14 [ 162.526306][ T1345] R13: 00000000000005dc R14: ffffc90000ef7198 R15: ffff888012042f08 [ 162.526795][ T1345] FS: 00007f153f74b800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 162.527361][ T1345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.527770][ T1345] CR2: 00000000004a1738 CR3: 000000000f57e005 CR4: 0000000000772ef0 [ 162.528243][ T1345] PKRU: 55555554 [ 162.528489][ T1345] Call Trace: [ 162.528728][ T1345] [ 162.528893][ T1345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 162.529218][ T1345] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 162.529546][ T1345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 162.529945][ T1345] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 162.530296][ T1345] netif_set_mtu (net/core/dev.c:9652) [ 162.530655][ T1345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 162.531061][ T1345] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 162.531783][ T1345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 162.532027][ T1345] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 162.532492][ T1345] br_add_if (net/bridge/br_if.c:697) bridge [ 162.532863][ T1345] do_set_master (net/core/rtnetlink.c:2948) [ 162.533191][ T1345] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 162.533530][ T1345] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 162.533845][ T1345] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 162.534162][ T1345] ? __dev_get_by_name (net/core/dev.c:865) [ 162.534505][ T1345] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.534857][ T1345] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.535222][ T1345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 162.535618][ T1345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.535943][ T1345] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 162.536274][ T1345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 162.536605][ T1345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.536929][ T1345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 162.537244][ T1345] ? __lock_release (kernel/locking/lockdep.c:5539) [ 162.537570][ T1345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.537882][ T1345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 162.538199][ T1345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.538531][ T1345] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.538855][ T1345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 162.539178][ T1345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.539518][ T1345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 162.539871][ T1345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 162.540193][ T1345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 162.540526][ T1345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 162.540854][ T1345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 162.541170][ T1345] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.541499][ T1345] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 162.541815][ T1345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 162.542132][ T1345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 162.542464][ T1345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 162.542783][ T1345] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 162.543099][ T1345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 162.543511][ T1345] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 162.543835][ T1345] ___sys_sendmsg (net/socket.c:2670) [ 162.544251][ T1345] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 162.544745][ T1345] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 162.545440][ T1345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.545902][ T1345] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 162.546501][ T1345] ? __handle_mm_fault (mm/memory.c:6212) [ 162.547103][ T1345] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 162.547697][ T1345] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 162.548300][ T1345] __sys_sendmsg (net/socket.c:2700) [ 162.548897][ T1345] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 162.549508][ T1345] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 162.550099][ T1345] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 162.550704][ T1345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 162.551288][ T1345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 162.551764][ T1345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 162.552507][ T1345] RIP: 0033:0x7f153f9181e7 [ 162.553098][ T1345] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 162.554595][ T1345] RSP: 002b:00007ffe45088a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.555097][ T1345] RAX: ffffffffffffffda RBX: 00007ffe45089190 RCX: 00007f153f9181e7 [ 162.555593][ T1345] RDX: 0000000000000000 RSI: 00007ffe45088ad0 RDI: 0000000000000005 [ 162.556101][ T1345] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 162.556700][ T1345] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe450891c8 [ 162.557227][ T1345] R13: 00000000686e0b98 R14: 0000000000499600 R15: 0000000000000000 | [ 162.728650][ T1347] ------------[ cut here ]------------ | [ 162.728971][ T1347] WARNING: CPU: 3 PID: 1347 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 162.729723][ T1347] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 162.730908][ T1347] Tainted: [W]=WARN [ 162.731153][ T1347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.731564][ T1347] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 162.731935][ T1347] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 162.733119][ T1347] RSP: 0018:ffffc90001057080 EFLAGS: 00010246 [ 162.733575][ T1347] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 162.734083][ T1347] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 162.734619][ T1347] RBP: ffffc90001057168 R08: 0000000000000000 R09: 0000000000000000 [ 162.735102][ T1347] R10: ffffc90001057198 R11: ffffffff924a8918 R12: 1ffff9200020ae14 [ 162.735636][ T1347] R13: 00000000000005dc R14: ffffc90001057198 R15: ffff888012042f08 [ 162.736317][ T1347] FS: 00007fc7e2696800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 162.737324][ T1347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.738068][ T1347] CR2: 00000000004a1738 CR3: 000000000ee1c002 CR4: 0000000000772ef0 [ 162.738996][ T1347] PKRU: 55555554 [ 162.739485][ T1347] Call Trace: [ 162.739909][ T1347] [ 162.740210][ T1347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 162.740917][ T1347] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 162.741640][ T1347] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 162.742445][ T1347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 162.743114][ T1347] netif_set_mtu (net/core/dev.c:9652) [ 162.743940][ T1347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 162.744376][ T1347] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 162.744859][ T1347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 162.745111][ T1347] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 162.745608][ T1347] br_add_if (net/bridge/br_if.c:697) bridge [ 162.746099][ T1347] do_set_master (net/core/rtnetlink.c:2948) [ 162.746437][ T1347] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 162.746759][ T1347] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 162.747098][ T1347] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 162.747426][ T1347] ? __dev_get_by_name (net/core/dev.c:865) [ 162.747744][ T1347] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.748075][ T1347] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.748413][ T1347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 162.748728][ T1347] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.749201][ T1347] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 162.749811][ T1347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 162.750367][ T1347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.750955][ T1347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 162.751657][ T1347] ? __lock_release (kernel/locking/lockdep.c:5539) [ 162.752236][ T1347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.752813][ T1347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 162.753383][ T1347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.754037][ T1347] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.754679][ T1347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 162.755311][ T1347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.755998][ T1347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 162.756824][ T1347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 162.757507][ T1347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 162.758166][ T1347] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 162.758820][ T1347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 162.759365][ T1347] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.760027][ T1347] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 162.760597][ T1347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 162.761138][ T1347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 162.761722][ T1347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 162.762328][ T1347] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 162.762990][ T1347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 162.763695][ T1347] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 162.764265][ T1347] ___sys_sendmsg (net/socket.c:2670) [ 162.764831][ T1347] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 162.765409][ T1347] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 162.765951][ T1347] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.766516][ T1347] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 162.767122][ T1347] ? __handle_mm_fault (mm/memory.c:6212) [ 162.767683][ T1347] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 162.768233][ T1347] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 162.768825][ T1347] __sys_sendmsg (net/socket.c:2700) [ 162.769406][ T1347] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 162.770047][ T1347] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 162.770701][ T1347] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 162.771304][ T1347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 162.771892][ T1347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 162.772590][ T1347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 162.773280][ T1347] RIP: 0033:0x7fc7e28631e7 [ 162.773877][ T1347] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 162.775985][ T1347] RSP: 002b:00007fff11d89088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.776893][ T1347] RAX: ffffffffffffffda RBX: 00007fff11d897b0 RCX: 00007fc7e28631e7 [ 162.777723][ T1347] RDX: 0000000000000000 RSI: 00007fff11d890f0 RDI: 0000000000000005 [ 162.778248][ T1347] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 162.778734][ T1347] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff11d897e8 [ 162.779250][ T1347] R13: 00000000686e0b98 R14: 0000000000499600 R15: 0000000000000000 | [ 162.957633][ T1349] ------------[ cut here ]------------ | [ 162.957980][ T1349] WARNING: CPU: 3 PID: 1349 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 162.958738][ T1349] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 162.959890][ T1349] Tainted: [W]=WARN [ 162.960136][ T1349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.960784][ T1349] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 162.961115][ T1349] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 162.962470][ T1349] RSP: 0018:ffffc90001057080 EFLAGS: 00010246 [ 162.962909][ T1349] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 162.963380][ T1349] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 162.964053][ T1349] RBP: ffffc90001057168 R08: 0000000000000000 R09: 0000000000000000 [ 162.964707][ T1349] R10: ffffc90001057198 R11: ffffffff924a8918 R12: 1ffff9200020ae14 [ 162.965348][ T1349] R13: 00000000000005dc R14: ffffc90001057198 R15: ffff888012042f08 [ 162.965978][ T1349] FS: 00007f36aa414800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 162.966658][ T1349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.967059][ T1349] CR2: 00000000004a1738 CR3: 00000000097a5005 CR4: 0000000000772ef0 [ 162.967544][ T1349] PKRU: 55555554 [ 162.967779][ T1349] Call Trace: [ 162.968060][ T1349] [ 162.968224][ T1349] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 162.968559][ T1349] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 162.968878][ T1349] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 162.969279][ T1349] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 162.969653][ T1349] netif_set_mtu (net/core/dev.c:9652) [ 162.969978][ T1349] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 162.970311][ T1349] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 162.970764][ T1349] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 162.971009][ T1349] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 162.971463][ T1349] br_add_if (net/bridge/br_if.c:697) bridge [ 162.971835][ T1349] do_set_master (net/core/rtnetlink.c:2948) [ 162.972159][ T1349] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 162.972491][ T1349] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 162.972811][ T1349] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 162.973127][ T1349] ? __dev_get_by_name (net/core/dev.c:865) [ 162.973464][ T1349] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.973816][ T1349] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.974148][ T1349] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 162.974562][ T1349] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.975001][ T1349] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 162.975334][ T1349] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 162.975664][ T1349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.976003][ T1349] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 162.976368][ T1349] ? __lock_release (kernel/locking/lockdep.c:5539) [ 162.976707][ T1349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.977027][ T1349] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 162.977349][ T1349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.977692][ T1349] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.978020][ T1349] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 162.978375][ T1349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.978712][ T1349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 162.979044][ T1349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 162.979371][ T1349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 162.979750][ T1349] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 162.980080][ T1349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 162.980410][ T1349] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.980741][ T1349] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 162.981067][ T1349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 162.981422][ T1349] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 162.981788][ T1349] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 162.982151][ T1349] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 162.982600][ T1349] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 162.983004][ T1349] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 162.983329][ T1349] ___sys_sendmsg (net/socket.c:2670) [ 162.983662][ T1349] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 162.983986][ T1349] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 162.984320][ T1349] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.984647][ T1349] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 162.984973][ T1349] ? __handle_mm_fault (mm/memory.c:6212) [ 162.985294][ T1349] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 162.985631][ T1349] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 162.985973][ T1349] __sys_sendmsg (net/socket.c:2700) [ 162.986294][ T1349] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 162.986623][ T1349] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 162.986956][ T1349] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 162.987276][ T1349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 162.987609][ T1349] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 162.987934][ T1349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 162.988356][ T1349] RIP: 0033:0x7f36aa5e11e7 [ 162.988698][ T1349] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 162.989856][ T1349] RSP: 002b:00007fff274ba0e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.990352][ T1349] RAX: ffffffffffffffda RBX: 00007fff274ba810 RCX: 00007f36aa5e11e7 [ 162.990838][ T1349] RDX: 0000000000000000 RSI: 00007fff274ba150 RDI: 0000000000000005 [ 162.991436][ T1349] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 162.991921][ T1349] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff274ba848 [ 162.992415][ T1349] R13: 00000000686e0b98 R14: 0000000000499600 R15: 0000000000000000 | [ 163.157077][ T1351] ------------[ cut here ]------------ | [ 163.157546][ T1351] WARNING: CPU: 2 PID: 1351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 163.158257][ T1351] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 163.159562][ T1351] Tainted: [W]=WARN [ 163.159831][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 163.160252][ T1351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 163.160633][ T1351] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 163.161829][ T1351] RSP: 0018:ffffc90001057080 EFLAGS: 00010246 [ 163.162252][ T1351] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 163.162783][ T1351] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 163.163291][ T1351] RBP: ffffc90001057168 R08: 0000000000000000 R09: 0000000000000000 [ 163.164073][ T1351] R10: ffffc90001057198 R11: ffffffff924a8918 R12: 1ffff9200020ae14 [ 163.164746][ T1351] R13: 00000000000005dc R14: ffffc90001057198 R15: ffff888012042f08 [ 163.165255][ T1351] FS: 00007f61aa9f8800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 163.165882][ T1351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.166302][ T1351] CR2: 00000000004a1738 CR3: 000000000e0a4004 CR4: 0000000000772ef0 [ 163.166826][ T1351] PKRU: 55555554 [ 163.167076][ T1351] Call Trace: [ 163.167331][ T1351] [ 163.167554][ T1351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 163.167912][ T1351] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 163.168268][ T1351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 163.168755][ T1351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.169109][ T1351] netif_set_mtu (net/core/dev.c:9652) [ 163.169476][ T1351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 163.169825][ T1351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 163.170290][ T1351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 163.170581][ T1351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 163.171039][ T1351] br_add_if (net/bridge/br_if.c:697) bridge [ 163.171441][ T1351] do_set_master (net/core/rtnetlink.c:2948) [ 163.171927][ T1351] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 163.172508][ T1351] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 163.173060][ T1351] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 163.173631][ T1351] ? __dev_get_by_name (net/core/dev.c:865) [ 163.174159][ T1351] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.174761][ T1351] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.175362][ T1351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 163.175860][ T1351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.176374][ T1351] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 163.176982][ T1351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 163.177620][ T1351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.178255][ T1351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 163.178855][ T1351] ? __lock_release (kernel/locking/lockdep.c:5539) [ 163.179443][ T1351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.180041][ T1351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 163.180643][ T1351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.181237][ T1351] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.181847][ T1351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 163.182460][ T1351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.183054][ T1351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 163.183684][ T1351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 163.184335][ T1351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 163.184718][ T1351] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 163.185055][ T1351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 163.185386][ T1351] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.185741][ T1351] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 163.186073][ T1351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 163.186429][ T1351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 163.186781][ T1351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 163.187120][ T1351] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 163.187463][ T1351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 163.187892][ T1351] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 163.188231][ T1351] ___sys_sendmsg (net/socket.c:2670) [ 163.188574][ T1351] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 163.188901][ T1351] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 163.189245][ T1351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.189585][ T1351] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 163.189922][ T1351] ? __handle_mm_fault (mm/memory.c:6212) [ 163.190251][ T1351] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 163.190612][ T1351] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 163.190975][ T1351] __sys_sendmsg (net/socket.c:2700) [ 163.191325][ T1351] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 163.191664][ T1351] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 163.192019][ T1351] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 163.192364][ T1351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 163.192719][ T1351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 163.193066][ T1351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 163.193513][ T1351] RIP: 0033:0x7f61aabc51e7 [ 163.193910][ T1351] Code: Unable to access opcode bytes at 0x7f61aabc51bd. Code starting with the faulting instruction =========================================== [ 163.194413][ T1351] RSP: 002b:00007ffc29729298 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.194946][ T1351] RAX: ffffffffffffffda RBX: 00007ffc297299c0 RCX: 00007f61aabc51e7 [ 163.195483][ T1351] RDX: 0000000000000000 RSI: 00007ffc29729300 RDI: 0000000000000005 [ 163.196008][ T1351] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 163.196560][ T1351] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc297299f8 [ 163.197098][ T1351] R13: 00000000686e0b98 R14: 0000000000499600 R15: 0000000000000000 | [ 163.367149][ T1353] ------------[ cut here ]------------ | [ 163.367576][ T1353] WARNING: CPU: 3 PID: 1353 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 163.368196][ T1353] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 163.369335][ T1353] Tainted: [W]=WARN [ 163.369584][ T1353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 163.369977][ T1353] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 163.370303][ T1353] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 163.371432][ T1353] RSP: 0018:ffffc90001067080 EFLAGS: 00010246 [ 163.371830][ T1353] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 163.372307][ T1353] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 163.372783][ T1353] RBP: ffffc90001067168 R08: 0000000000000000 R09: 0000000000000000 [ 163.373257][ T1353] R10: ffffc90001067198 R11: ffffffff924a8918 R12: 1ffff9200020ce14 [ 163.373747][ T1353] R13: 00000000000005dc R14: ffffc90001067198 R15: ffff888012042f08 [ 163.374224][ T1353] FS: 00007f927c996800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 163.374806][ T1353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.375215][ T1353] CR2: 00000000004a1738 CR3: 000000000f4db006 CR4: 0000000000772ef0 [ 163.375733][ T1353] PKRU: 55555554 [ 163.375975][ T1353] Call Trace: [ 163.376226][ T1353] [ 163.376402][ T1353] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 163.376737][ T1353] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 163.377065][ T1353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 163.377468][ T1353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.377801][ T1353] netif_set_mtu (net/core/dev.c:9652) [ 163.378120][ T1353] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 163.378459][ T1353] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 163.378899][ T1353] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 163.379136][ T1353] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 163.379580][ T1353] br_add_if (net/bridge/br_if.c:697) bridge [ 163.379944][ T1353] do_set_master (net/core/rtnetlink.c:2948) [ 163.380259][ T1353] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 163.380588][ T1353] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 163.380913][ T1353] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 163.381234][ T1353] ? __dev_get_by_name (net/core/dev.c:865) [ 163.381556][ T1353] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.381871][ T1353] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.382195][ T1353] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 163.382546][ T1353] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.382873][ T1353] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 163.383205][ T1353] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 163.383538][ T1353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.383866][ T1353] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 163.384183][ T1353] ? __lock_release (kernel/locking/lockdep.c:5539) [ 163.384543][ T1353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.384861][ T1353] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 163.385179][ T1353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.385509][ T1353] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.385832][ T1353] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 163.386150][ T1353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.386486][ T1353] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 163.386826][ T1353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 163.387140][ T1353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 163.387470][ T1353] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 163.387790][ T1353] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 163.388104][ T1353] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.388431][ T1353] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 163.388749][ T1353] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 163.389070][ T1353] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 163.389403][ T1353] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 163.389725][ T1353] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 163.390046][ T1353] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 163.390451][ T1353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 163.390851][ T1353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.391173][ T1353] ___sys_sendmsg (net/socket.c:2670) [ 163.391497][ T1353] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 163.391826][ T1353] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) [ 163.392153][ T1353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.392482][ T1353] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 163.392814][ T1353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 163.393133][ T1353] ? rcu_do_batch (kernel/rcu/tree_nocb.h:1636 kernel/rcu/tree.c:2642) [ 163.393459][ T1353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.393785][ T1353] __sys_sendmsg (net/socket.c:2700) [ 163.394141][ T1353] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 163.394498][ T1353] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) [ 163.394843][ T1353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.395191][ T1353] ? handle_softirqs (./arch/x86/include/asm/preempt.h:27 kernel/softirq.c:426 kernel/softirq.c:607) [ 163.395527][ T1353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 163.395845][ T1353] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 163.396162][ T1353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 163.396563][ T1353] RIP: 0033:0x7f927cb631e7 [ 163.396895][ T1353] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 163.398048][ T1353] RSP: 002b:00007ffc64bb8658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.398540][ T1353] RAX: ffffffffffffffda RBX: 00007ffc64bb8d80 RCX: 00007f927cb631e7 [ 163.399014][ T1353] RDX: 0000000000000000 RSI: 00007ffc64bb86c0 RDI: 0000000000000005 [ 163.399490][ T1353] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 163.399972][ T1353] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc64bb8db8 [ 163.400459][ T1353] R13: 00000000686e0b99 R14: 0000000000499600 R15: 0000000000000000 | [ 163.820276][ T1359] ------------[ cut here ]------------ | [ 163.820636][ T1359] WARNING: CPU: 2 PID: 1359 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 163.821270][ T1359] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 163.822432][ T1359] Tainted: [W]=WARN [ 163.822681][ T1359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 163.823095][ T1359] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 163.823440][ T1359] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 163.824596][ T1359] RSP: 0018:ffffc90001087080 EFLAGS: 00010246 [ 163.825007][ T1359] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 163.825502][ T1359] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 163.825992][ T1359] RBP: ffffc90001087168 R08: 0000000000000000 R09: 0000000000000000 [ 163.826487][ T1359] R10: ffffc90001087198 R11: ffffffff924a8918 R12: 1ffff92000210e14 [ 163.826973][ T1359] R13: 00000000000005dc R14: ffffc90001087198 R15: ffff88800e26af08 [ 163.827468][ T1359] FS: 00007f1fa8415800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 163.828036][ T1359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.828455][ T1359] CR2: 00000000004a1738 CR3: 0000000009499003 CR4: 0000000000772ef0 [ 163.828942][ T1359] PKRU: 55555554 [ 163.829189][ T1359] Call Trace: [ 163.829448][ T1359] [ 163.829623][ T1359] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 163.829957][ T1359] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 163.830292][ T1359] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 163.830726][ T1359] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.831061][ T1359] netif_set_mtu (net/core/dev.c:9652) [ 163.831404][ T1359] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 163.831748][ T1359] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 163.832205][ T1359] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 163.832471][ T1359] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 163.832921][ T1359] br_add_if (net/bridge/br_if.c:697) bridge [ 163.833301][ T1359] do_set_master (net/core/rtnetlink.c:2948) [ 163.833646][ T1359] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 163.833979][ T1359] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 163.834327][ T1359] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 163.834670][ T1359] ? __dev_get_by_name (net/core/dev.c:865) [ 163.835001][ T1359] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.835332][ T1359] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.835681][ T1359] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 163.836006][ T1359] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.836338][ T1359] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 163.836681][ T1359] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 163.837014][ T1359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.837352][ T1359] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 163.837687][ T1359] ? __lock_release (kernel/locking/lockdep.c:5539) [ 163.838019][ T1359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.838347][ T1359] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 163.838690][ T1359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.839022][ T1359] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.839358][ T1359] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 163.839701][ T1359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.840037][ T1359] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 163.840380][ T1359] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 163.840726][ T1359] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 163.841061][ T1359] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 163.841403][ T1359] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 163.841729][ T1359] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.842067][ T1359] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 163.842409][ T1359] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 163.842740][ T1359] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 163.843077][ T1359] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 163.843429][ T1359] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 163.843754][ T1359] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 163.844163][ T1359] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 163.844521][ T1359] ___sys_sendmsg (net/socket.c:2670) [ 163.844854][ T1359] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 163.845181][ T1359] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 163.845522][ T1359] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.845853][ T1359] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 163.846187][ T1359] ? __handle_mm_fault (mm/memory.c:6212) [ 163.846537][ T1359] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 163.846872][ T1359] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 163.847225][ T1359] __sys_sendmsg (net/socket.c:2700) [ 163.847571][ T1359] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 163.847915][ T1359] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 163.848253][ T1359] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 163.848614][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 163.848951][ T1359] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 163.849280][ T1359] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 163.849696][ T1359] RIP: 0033:0x7f1fa85e21e7 [ 163.850033][ T1359] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 163.851181][ T1359] RSP: 002b:00007ffd0b0ca1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.851692][ T1359] RAX: ffffffffffffffda RBX: 00007ffd0b0ca8d0 RCX: 00007f1fa85e21e7 [ 163.852181][ T1359] RDX: 0000000000000000 RSI: 00007ffd0b0ca210 RDI: 0000000000000005 [ 163.852683][ T1359] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 163.853169][ T1359] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0b0ca908 [ 163.853662][ T1359] R13: 00000000686e0b99 R14: 0000000000499600 R15: 0000000000000000 | [ 163.985387][ T1361] ------------[ cut here ]------------ | [ 163.986903][ T1361] WARNING: CPU: 0 PID: 1361 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 163.987541][ T1361] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 163.988676][ T1361] Tainted: [W]=WARN [ 163.988916][ T1361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 163.989306][ T1361] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 163.989644][ T1361] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 163.990839][ T1361] RSP: 0018:ffffc90001047080 EFLAGS: 00010246 [ 163.991237][ T1361] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 163.991726][ T1361] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 163.992196][ T1361] RBP: ffffc90001047168 R08: 0000000000000000 R09: 0000000000000000 [ 163.992702][ T1361] R10: ffffc90001047198 R11: ffffffff924a8918 R12: 1ffff92000208e14 [ 163.993177][ T1361] R13: 00000000000005dc R14: ffffc90001047198 R15: ffff88800e26af08 [ 163.993653][ T1361] FS: 00007fac081b4800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 163.994200][ T1361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.994631][ T1361] CR2: 00000000004a1738 CR3: 000000000ee1c006 CR4: 0000000000772ef0 [ 163.995105][ T1361] PKRU: 55555554 [ 163.995341][ T1361] Call Trace: [ 163.995584][ T1361] [ 163.995749][ T1361] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 163.996073][ T1361] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 163.996400][ T1361] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 163.996815][ T1361] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.997133][ T1361] netif_set_mtu (net/core/dev.c:9652) [ 163.997476][ T1361] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 163.997810][ T1361] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 163.998254][ T1361] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 163.998507][ T1361] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 163.998938][ T1361] br_add_if (net/bridge/br_if.c:697) bridge [ 163.999300][ T1361] do_set_master (net/core/rtnetlink.c:2948) [ 163.999633][ T1361] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 163.999959][ T1361] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 164.000278][ T1361] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 164.000600][ T1361] ? __dev_get_by_name (net/core/dev.c:865) [ 164.000917][ T1361] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.001234][ T1361] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.001562][ T1361] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.001877][ T1361] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.002200][ T1361] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 164.002536][ T1361] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.002859][ T1361] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.003187][ T1361] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.003508][ T1361] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.003823][ T1361] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.004143][ T1361] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.004478][ T1361] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.004810][ T1361] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.005133][ T1361] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.005474][ T1361] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.005800][ T1361] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.006132][ T1361] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.006470][ T1361] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 164.006785][ T1361] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.007120][ T1361] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.007443][ T1361] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.007765][ T1361] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.008089][ T1361] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.008437][ T1361] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.008762][ T1361] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.009092][ T1361] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.009412][ T1361] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.009807][ T1361] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 164.010125][ T1361] ___sys_sendmsg (net/socket.c:2670) [ 164.010445][ T1361] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.010761][ T1361] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 164.011082][ T1361] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.011415][ T1361] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 164.011742][ T1361] ? __handle_mm_fault (mm/memory.c:6212) [ 164.012062][ T1361] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 164.012382][ T1361] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 164.012717][ T1361] __sys_sendmsg (net/socket.c:2700) [ 164.013032][ T1361] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.013342][ T1361] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 164.013674][ T1361] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 164.013997][ T1361] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.014331][ T1361] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.014676][ T1361] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.015070][ T1361] RIP: 0033:0x7fac083811e7 [ 164.015402][ T1361] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 164.016534][ T1361] RSP: 002b:00007ffc5fac18e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.017013][ T1361] RAX: ffffffffffffffda RBX: 00007ffc5fac2010 RCX: 00007fac083811e7 [ 164.017508][ T1361] RDX: 0000000000000000 RSI: 00007ffc5fac1950 RDI: 0000000000000005 [ 164.017977][ T1361] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 164.018456][ T1361] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc5fac2048 [ 164.018940][ T1361] R13: 00000000686e0b99 R14: 0000000000499600 R15: 0000000000000000 | [ 164.161089][ T1363] ------------[ cut here ]------------ | [ 164.161419][ T1363] WARNING: CPU: 0 PID: 1363 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 164.162043][ T1363] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 164.163200][ T1363] Tainted: [W]=WARN [ 164.163454][ T1363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.163851][ T1363] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 164.164175][ T1363] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 164.165317][ T1363] RSP: 0018:ffffc90001047080 EFLAGS: 00010246 [ 164.165729][ T1363] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 164.166209][ T1363] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 164.166718][ T1363] RBP: ffffc90001047168 R08: 0000000000000000 R09: 0000000000000000 [ 164.167195][ T1363] R10: ffffc90001047198 R11: ffffffff924a8918 R12: 1ffff92000208e14 [ 164.167682][ T1363] R13: 00000000000005dc R14: ffffc90001047198 R15: ffff88800e26af08 [ 164.168153][ T1363] FS: 00007fdb9a375800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 164.168729][ T1363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.169128][ T1363] CR2: 00000000004a1738 CR3: 000000000f36b003 CR4: 0000000000772ef0 [ 164.169616][ T1363] PKRU: 55555554 [ 164.169857][ T1363] Call Trace: [ 164.170099][ T1363] [ 164.170263][ T1363] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 164.170596][ T1363] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 164.170926][ T1363] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 164.171326][ T1363] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 164.171659][ T1363] netif_set_mtu (net/core/dev.c:9652) [ 164.171976][ T1363] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 164.172305][ T1363] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 164.172753][ T1363] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 164.173006][ T1363] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 164.173476][ T1363] br_add_if (net/bridge/br_if.c:697) bridge [ 164.173844][ T1363] do_set_master (net/core/rtnetlink.c:2948) [ 164.174164][ T1363] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 164.174514][ T1363] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 164.174833][ T1363] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 164.175155][ T1363] ? __dev_get_by_name (net/core/dev.c:865) [ 164.175488][ T1363] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.175808][ T1363] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.176130][ T1363] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.176450][ T1363] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.176771][ T1363] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 164.177094][ T1363] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.177424][ T1363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.177753][ T1363] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.178067][ T1363] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.178400][ T1363] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.178721][ T1363] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.179045][ T1363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.179368][ T1363] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.179698][ T1363] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.180021][ T1363] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.180339][ T1363] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.180678][ T1363] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.180991][ T1363] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 164.181309][ T1363] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.181644][ T1363] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.181959][ T1363] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.182280][ T1363] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.182611][ T1363] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.182927][ T1363] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.183251][ T1363] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.183584][ T1363] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.183905][ T1363] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.184316][ T1363] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 164.184649][ T1363] ___sys_sendmsg (net/socket.c:2670) [ 164.184966][ T1363] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.185288][ T1363] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 164.185610][ T1363] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.185933][ T1363] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 164.186254][ T1363] ? __handle_mm_fault (mm/memory.c:6212) [ 164.186585][ T1363] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 164.186910][ T1363] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 164.187250][ T1363] __sys_sendmsg (net/socket.c:2700) [ 164.187580][ T1363] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.187890][ T1363] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 164.188217][ T1363] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 164.188542][ T1363] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.188861][ T1363] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.189181][ T1363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.189578][ T1363] RIP: 0033:0x7fdb9a5421e7 [ 164.189903][ T1363] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 164.191034][ T1363] RSP: 002b:00007ffea2857198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.191523][ T1363] RAX: ffffffffffffffda RBX: 00007ffea28578c0 RCX: 00007fdb9a5421e7 [ 164.191997][ T1363] RDX: 0000000000000000 RSI: 00007ffea2857200 RDI: 0000000000000005 [ 164.192474][ T1363] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 164.192946][ T1363] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea28578f8 [ 164.193425][ T1363] R13: 00000000686e0b99 R14: 0000000000499600 R15: 0000000000000000 | [ 164.361705][ T1364] ------------[ cut here ]------------ | [ 164.362080][ T1364] WARNING: CPU: 2 PID: 1364 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 164.362912][ T1364] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 164.365025][ T1364] Tainted: [W]=WARN [ 164.365494][ T1364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.366218][ T1364] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 164.366842][ T1364] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 164.368900][ T1364] RSP: 0018:ffffc90001017080 EFLAGS: 00010246 [ 164.369660][ T1364] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 164.370540][ T1364] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 164.371424][ T1364] RBP: ffffc90001017168 R08: 0000000000000000 R09: 0000000000000000 [ 164.372330][ T1364] R10: ffffc90001017198 R11: ffffffff924a8918 R12: 1ffff92000202e14 [ 164.373233][ T1364] R13: 00000000000005dc R14: ffffc90001017198 R15: ffff88800e26af08 [ 164.374128][ T1364] FS: 00007f8a001fc800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 164.375176][ T1364] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.375946][ T1364] CR2: 00000000004a1738 CR3: 000000000e20b006 CR4: 0000000000772ef0 [ 164.376854][ T1364] PKRU: 55555554 [ 164.377316][ T1364] Call Trace: [ 164.377792][ T1364] [ 164.378118][ T1364] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 164.378749][ T1364] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 164.379355][ T1364] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 164.380132][ T1364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 164.380762][ T1364] netif_set_mtu (net/core/dev.c:9652) [ 164.381372][ T1364] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 164.382024][ T1364] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 164.382864][ T1364] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 164.383333][ T1364] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 164.384187][ T1364] br_add_if (net/bridge/br_if.c:697) bridge [ 164.384919][ T1364] do_set_master (net/core/rtnetlink.c:2948) [ 164.385547][ T1364] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 164.386161][ T1364] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 164.386793][ T1364] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 164.387427][ T1364] ? __dev_get_by_name (net/core/dev.c:865) [ 164.388033][ T1364] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.388682][ T1364] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.389293][ T1364] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.389897][ T1364] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.390523][ T1364] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 164.391156][ T1364] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.391756][ T1364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.392385][ T1364] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.393019][ T1364] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.393619][ T1364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.394209][ T1364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.394852][ T1364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.395449][ T1364] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.396039][ T1364] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.396654][ T1364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.397231][ T1364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.397854][ T1364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.398440][ T1364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 164.398997][ T1364] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.399590][ T1364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.400172][ T1364] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.400760][ T1364] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.401340][ T1364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.401918][ T1364] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.402519][ T1364] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.403088][ T1364] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.403688][ T1364] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.404465][ T1364] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 164.405048][ T1364] ___sys_sendmsg (net/socket.c:2670) [ 164.405636][ T1364] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.406211][ T1364] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 164.406790][ T1364] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.407357][ T1364] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 164.407968][ T1364] ? __handle_mm_fault (mm/memory.c:6212) [ 164.408586][ T1364] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 164.409164][ T1364] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 164.409817][ T1364] __sys_sendmsg (net/socket.c:2700) [ 164.410424][ T1364] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.411007][ T1364] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 164.411625][ T1364] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 164.412212][ T1364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.412834][ T1364] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.413444][ T1364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.414161][ T1364] RIP: 0033:0x7f8a003c91e7 [ 164.414790][ T1364] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 164.416843][ T1364] RSP: 002b:00007fff70fe7a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.417729][ T1364] RAX: ffffffffffffffda RBX: 00007fff70fe81b0 RCX: 00007f8a003c91e7 [ 164.418606][ T1364] RDX: 0000000000000000 RSI: 00007fff70fe7af0 RDI: 0000000000000005 [ 164.419477][ T1364] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 164.420315][ T1364] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff70fe81e8 [ 164.421200][ T1364] R13: 00000000686e0b99 R14: 0000000000499600 R15: 0000000000000000 | [ 164.645267][ T1367] ------------[ cut here ]------------ | [ 164.645665][ T1367] WARNING: CPU: 1 PID: 1367 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 164.646286][ T1367] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 164.647726][ T1367] Tainted: [W]=WARN [ 164.647975][ T1367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.648363][ T1367] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 164.648697][ T1367] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 164.649826][ T1367] RSP: 0018:ffffc90001087080 EFLAGS: 00010246 [ 164.650224][ T1367] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 164.650711][ T1367] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 164.651212][ T1367] RBP: ffffc90001087168 R08: 0000000000000000 R09: 0000000000000000 [ 164.651709][ T1367] R10: ffffc90001087198 R11: ffffffff924a8918 R12: 1ffff92000210e14 [ 164.652224][ T1367] R13: 00000000000005dc R14: ffffc90001087198 R15: ffff88800e26af08 [ 164.652705][ T1367] FS: 00007f9799c2d800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 164.653250][ T1367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.653673][ T1367] CR2: 00000000004a1738 CR3: 000000000ee52001 CR4: 0000000000772ef0 [ 164.654147][ T1367] PKRU: 55555554 [ 164.654408][ T1367] Call Trace: [ 164.654645][ T1367] [ 164.654809][ T1367] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 164.655175][ T1367] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 164.655544][ T1367] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 164.656003][ T1367] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 164.656324][ T1367] netif_set_mtu (net/core/dev.c:9652) [ 164.656652][ T1367] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 164.656978][ T1367] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 164.657442][ T1367] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 164.657682][ T1367] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 164.658120][ T1367] br_add_if (net/bridge/br_if.c:697) bridge [ 164.658496][ T1367] do_set_master (net/core/rtnetlink.c:2948) [ 164.658819][ T1367] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 164.659175][ T1367] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 164.659545][ T1367] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 164.659869][ T1367] ? __dev_get_by_name (net/core/dev.c:865) [ 164.660185][ T1367] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.660513][ T1367] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.660842][ T1367] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.661151][ T1367] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.661495][ T1367] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 164.661828][ T1367] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.662149][ T1367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.662484][ T1367] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.662800][ T1367] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.663119][ T1367] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.663441][ T1367] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.663754][ T1367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.664074][ T1367] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.664414][ T1367] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.664729][ T1367] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.665044][ T1367] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.665368][ T1367] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.665701][ T1367] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 164.666019][ T1367] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.666344][ T1367] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.666669][ T1367] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.666992][ T1367] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.667307][ T1367] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.667630][ T1367] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.667950][ T1367] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.668271][ T1367] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.668592][ T1367] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.668988][ T1367] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 164.669312][ T1367] ___sys_sendmsg (net/socket.c:2670) [ 164.669651][ T1367] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.669964][ T1367] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 164.670276][ T1367] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.670599][ T1367] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 164.670915][ T1367] ? __handle_mm_fault (mm/memory.c:6212) [ 164.671238][ T1367] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 164.671563][ T1367] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 164.671897][ T1367] __sys_sendmsg (net/socket.c:2700) [ 164.672213][ T1367] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.672537][ T1367] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 164.672867][ T1367] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 164.673183][ T1367] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.673527][ T1367] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.673842][ T1367] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.674235][ T1367] RIP: 0033:0x7f9799dfa1e7 [ 164.674581][ T1367] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 164.675709][ T1367] RSP: 002b:00007fffebda1898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.676183][ T1367] RAX: ffffffffffffffda RBX: 00007fffebda1fc0 RCX: 00007f9799dfa1e7 [ 164.676664][ T1367] RDX: 0000000000000000 RSI: 00007fffebda1900 RDI: 0000000000000005 [ 164.677141][ T1367] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 164.677641][ T1367] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffebda1ff8 [ 164.678119][ T1367] R13: 00000000686e0b9a R14: 0000000000499600 R15: 0000000000000000 | [ 164.838608][ T1368] ------------[ cut here ]------------ | [ 164.838967][ T1368] WARNING: CPU: 1 PID: 1368 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 164.839759][ T1368] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 164.841094][ T1368] Tainted: [W]=WARN [ 164.841353][ T1368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.841896][ T1368] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 164.842236][ T1368] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 164.843454][ T1368] RSP: 0018:ffffc900010a7080 EFLAGS: 00010246 [ 164.843851][ T1368] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 164.844348][ T1368] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 164.844833][ T1368] RBP: ffffc900010a7168 R08: 0000000000000000 R09: 0000000000000000 [ 164.845374][ T1368] R10: ffffc900010a7198 R11: ffffffff924a8918 R12: 1ffff92000214e14 [ 164.845900][ T1368] R13: 00000000000005dc R14: ffffc900010a7198 R15: ffff88800e26af08 [ 164.846427][ T1368] FS: 00007f1b15d13800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 164.847002][ T1368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.847439][ T1368] CR2: 00007f966990f840 CR3: 000000000efdb004 CR4: 0000000000772ef0 [ 164.847934][ T1368] PKRU: 55555554 [ 164.848195][ T1368] Call Trace: [ 164.848454][ T1368] [ 164.848645][ T1368] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 164.848986][ T1368] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 164.849318][ T1368] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 164.849757][ T1368] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 164.850102][ T1368] netif_set_mtu (net/core/dev.c:9652) [ 164.850455][ T1368] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 164.850795][ T1368] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 164.851255][ T1368] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 164.851515][ T1368] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 164.851961][ T1368] br_add_if (net/bridge/br_if.c:697) bridge [ 164.852334][ T1368] do_set_master (net/core/rtnetlink.c:2948) [ 164.852670][ T1368] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 164.853009][ T1368] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 164.853366][ T1368] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 164.853721][ T1368] ? __dev_get_by_name (net/core/dev.c:865) [ 164.854065][ T1368] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.854442][ T1368] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.854778][ T1368] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.855101][ T1368] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.855446][ T1368] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 164.855788][ T1368] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.856118][ T1368] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.856469][ T1368] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.856800][ T1368] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.857136][ T1368] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.857470][ T1368] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.857799][ T1368] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.858133][ T1368] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.858477][ T1368] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.858807][ T1368] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.859151][ T1368] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.859507][ T1368] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.859839][ T1368] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 164.860208][ T1368] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.860560][ T1368] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.860889][ T1368] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.861219][ T1368] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.861560][ T1368] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.861889][ T1368] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.862223][ T1368] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.862566][ T1368] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.862896][ T1368] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.863305][ T1368] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 164.863648][ T1368] ___sys_sendmsg (net/socket.c:2670) [ 164.863989][ T1368] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.864351][ T1368] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 164.864694][ T1368] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.865020][ T1368] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 164.865350][ T1368] ? __handle_mm_fault (mm/memory.c:6212) [ 164.865696][ T1368] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 164.866021][ T1368] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 164.866364][ T1368] __sys_sendmsg (net/socket.c:2700) [ 164.866701][ T1368] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.867026][ T1368] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 164.867359][ T1368] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 164.867697][ T1368] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.868032][ T1368] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.868363][ T1368] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.868788][ T1368] RIP: 0033:0x7f1b15ee01e7 [ 164.869128][ T1368] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 164.870274][ T1368] RSP: 002b:00007fffe6e132b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.870785][ T1368] RAX: ffffffffffffffda RBX: 00007fffe6e139e0 RCX: 00007f1b15ee01e7 [ 164.871262][ T1368] RDX: 0000000000000000 RSI: 00007fffe6e13320 RDI: 0000000000000005 [ 164.871739][ T1368] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 164.872216][ T1368] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe6e13a18 [ 164.872728][ T1368] R13: 00000000686e0b9a R14: 0000000000499600 R15: 0000000000000000 | [ 165.006172][ T1370] ------------[ cut here ]------------ | [ 165.006565][ T1370] WARNING: CPU: 3 PID: 1370 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 165.007296][ T1370] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 165.008624][ T1370] Tainted: [W]=WARN [ 165.008903][ T1370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.009366][ T1370] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 165.009749][ T1370] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.011068][ T1370] RSP: 0018:ffffc90001097080 EFLAGS: 00010246 [ 165.011527][ T1370] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 165.012068][ T1370] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 165.012637][ T1370] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000 [ 165.013177][ T1370] R10: ffffc90001097198 R11: ffffffff924a8918 R12: 1ffff92000212e14 [ 165.013723][ T1370] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800e26af08 [ 165.014272][ T1370] FS: 00007f3c723cd800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 165.014912][ T1370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.015368][ T1370] CR2: 00000000004a1738 CR3: 000000000f0a0003 CR4: 0000000000772ef0 [ 165.015924][ T1370] PKRU: 55555554 [ 165.016198][ T1370] Call Trace: [ 165.016473][ T1370] [ 165.016660][ T1370] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.017030][ T1370] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 165.017400][ T1370] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 165.017846][ T1370] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 165.018230][ T1370] netif_set_mtu (net/core/dev.c:9652) [ 165.018609][ T1370] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.018979][ T1370] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 165.019479][ T1370] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.019751][ T1370] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.020238][ T1370] br_add_if (net/bridge/br_if.c:697) bridge [ 165.020656][ T1370] do_set_master (net/core/rtnetlink.c:2948) [ 165.021024][ T1370] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 165.021381][ T1370] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 165.021752][ T1370] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 165.022107][ T1370] ? __dev_get_by_name (net/core/dev.c:865) [ 165.022476][ T1370] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.022840][ T1370] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.023220][ T1370] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.023592][ T1370] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.023968][ T1370] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 165.024353][ T1370] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.024756][ T1370] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.025147][ T1370] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.025518][ T1370] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.025877][ T1370] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.026240][ T1370] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.026619][ T1370] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.026994][ T1370] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.027362][ T1370] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.027743][ T1370] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.028118][ T1370] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.028509][ T1370] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.028876][ T1370] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 165.029241][ T1370] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.029633][ T1370] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.030008][ T1370] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.030385][ T1370] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.030770][ T1370] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.031144][ T1370] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.031519][ T1370] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.031895][ T1370] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.032250][ T1370] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.032726][ T1370] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 165.033099][ T1370] ___sys_sendmsg (net/socket.c:2670) [ 165.033475][ T1370] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.033853][ T1370] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 165.034236][ T1370] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.034646][ T1370] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 165.035015][ T1370] ? __handle_mm_fault (mm/memory.c:6212) [ 165.035400][ T1370] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 165.035756][ T1370] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 165.036140][ T1370] __sys_sendmsg (net/socket.c:2700) [ 165.036506][ T1370] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.036881][ T1370] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 165.037256][ T1370] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 165.037653][ T1370] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.038022][ T1370] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.038400][ T1370] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.038852][ T1370] RIP: 0033:0x7f3c7259a1e7 [ 165.039241][ T1370] Code: Unable to access opcode bytes at 0x7f3c7259a1bd. Code starting with the faulting instruction =========================================== [ 165.039742][ T1370] RSP: 002b:00007ffc9a8212a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.040283][ T1370] RAX: ffffffffffffffda RBX: 00007ffc9a8219d0 RCX: 00007f3c7259a1e7 [ 165.040841][ T1370] RDX: 0000000000000000 RSI: 00007ffc9a821310 RDI: 0000000000000005 [ 165.041375][ T1370] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 165.041919][ T1370] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9a821a08 [ 165.042458][ T1370] R13: 00000000686e0b9a R14: 0000000000499600 R15: 0000000000000000 | [ 165.225082][ T1372] ------------[ cut here ]------------ | [ 165.225459][ T1372] WARNING: CPU: 3 PID: 1372 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 165.226139][ T1372] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 165.227809][ T1372] Tainted: [W]=WARN [ 165.228063][ T1372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.228501][ T1372] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 165.228876][ T1372] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.230035][ T1372] RSP: 0018:ffffc90001017080 EFLAGS: 00010246 [ 165.230459][ T1372] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 165.230960][ T1372] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 165.231448][ T1372] RBP: ffffc90001017168 R08: 0000000000000000 R09: 0000000000000000 [ 165.231923][ T1372] R10: ffffc90001017198 R11: ffffffff924a8918 R12: 1ffff92000202e14 [ 165.232416][ T1372] R13: 00000000000005dc R14: ffffc90001017198 R15: ffff88800e26af08 [ 165.232902][ T1372] FS: 00007f55ba0f0800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 165.233487][ T1372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.233894][ T1372] CR2: 00007f9669820a00 CR3: 000000000f0a0005 CR4: 0000000000772ef0 [ 165.234409][ T1372] PKRU: 55555554 [ 165.234660][ T1372] Call Trace: [ 165.234898][ T1372] [ 165.235096][ T1372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.235465][ T1372] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 165.235812][ T1372] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 165.236229][ T1372] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 165.236594][ T1372] netif_set_mtu (net/core/dev.c:9652) [ 165.236952][ T1372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.237314][ T1372] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 165.237800][ T1372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.238071][ T1372] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.238569][ T1372] br_add_if (net/bridge/br_if.c:697) bridge [ 165.238966][ T1372] do_set_master (net/core/rtnetlink.c:2948) [ 165.239314][ T1372] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 165.239684][ T1372] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 165.240035][ T1372] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 165.240373][ T1372] ? __dev_get_by_name (net/core/dev.c:865) [ 165.240723][ T1372] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.241071][ T1372] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.241420][ T1372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.241759][ T1372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.242096][ T1372] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 165.242440][ T1372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.242762][ T1372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.243113][ T1372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.243453][ T1372] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.243777][ T1372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.244127][ T1372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.244477][ T1372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.244797][ T1372] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.245139][ T1372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.245465][ T1372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.245795][ T1372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.246132][ T1372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.246488][ T1372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 165.246815][ T1372] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.247138][ T1372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.247460][ T1372] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.247783][ T1372] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.248125][ T1372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.248450][ T1372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.248781][ T1372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.249121][ T1372] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.249469][ T1372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.249885][ T1372] ___sys_sendmsg (net/socket.c:2670) [ 165.250220][ T1372] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.250554][ T1372] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 165.250879][ T1372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.251234][ T1372] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 165.251586][ T1372] ? __handle_mm_fault (mm/memory.c:6212) [ 165.251919][ T1372] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 165.252248][ T1372] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 165.252618][ T1372] __sys_sendmsg (net/socket.c:2700) [ 165.252956][ T1372] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.253291][ T1372] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 165.253662][ T1372] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 165.254004][ T1372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.254363][ T1372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.254710][ T1372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.255125][ T1372] RIP: 0033:0x7f55ba2bd1e7 [ 165.255477][ T1372] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 165.256677][ T1372] RSP: 002b:00007ffd036a4e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.257216][ T1372] RAX: ffffffffffffffda RBX: 00007ffd036a5580 RCX: 00007f55ba2bd1e7 [ 165.257717][ T1372] RDX: 0000000000000000 RSI: 00007ffd036a4ec0 RDI: 0000000000000005 [ 165.258214][ T1372] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 165.258717][ T1372] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd036a55b8 [ 165.259220][ T1372] R13: 00000000686e0b9a R14: 0000000000499600 R15: 0000000000000000 | [ 165.441858][ T1374] ------------[ cut here ]------------ | [ 165.442221][ T1374] WARNING: CPU: 2 PID: 1374 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 165.442952][ T1374] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 165.444195][ T1374] Tainted: [W]=WARN [ 165.444497][ T1374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.444939][ T1374] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 165.445300][ T1374] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.446524][ T1374] RSP: 0018:ffffc900010e7080 EFLAGS: 00010246 [ 165.446972][ T1374] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 165.447506][ T1374] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 165.448023][ T1374] RBP: ffffc900010e7168 R08: 0000000000000000 R09: 0000000000000000 [ 165.448547][ T1374] R10: ffffc900010e7198 R11: ffffffff924a8918 R12: 1ffff9200021ce14 [ 165.449061][ T1374] R13: 00000000000005dc R14: ffffc900010e7198 R15: ffff88800e26af08 [ 165.449596][ T1374] FS: 00007fa202a95800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 165.450206][ T1374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.450654][ T1374] CR2: 00000000004a1738 CR3: 000000000efda001 CR4: 0000000000772ef0 [ 165.451176][ T1374] PKRU: 55555554 [ 165.451463][ T1374] Call Trace: [ 165.451730][ T1374] [ 165.451923][ T1374] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.452289][ T1374] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 165.452657][ T1374] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 165.453092][ T1374] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 165.453454][ T1374] netif_set_mtu (net/core/dev.c:9652) [ 165.453811][ T1374] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.454168][ T1374] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 165.454676][ T1374] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.454949][ T1374] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.455428][ T1374] br_add_if (net/bridge/br_if.c:697) bridge [ 165.455822][ T1374] do_set_master (net/core/rtnetlink.c:2948) [ 165.456165][ T1374] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 165.456526][ T1374] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 165.456881][ T1374] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 165.457235][ T1374] ? __dev_get_by_name (net/core/dev.c:865) [ 165.457602][ T1374] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.457950][ T1374] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.458302][ T1374] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.458650][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.459005][ T1374] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 165.459359][ T1374] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.459719][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.460078][ T1374] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.460437][ T1374] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.460792][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.461136][ T1374] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.461493][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.461852][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.462206][ T1374] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.462567][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.462916][ T1374] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.463279][ T1374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.463657][ T1374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 165.464011][ T1374] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.464371][ T1374] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.464727][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.465085][ T1374] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.465449][ T1374] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.465798][ T1374] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.466154][ T1374] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.466523][ T1374] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.466870][ T1374] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.467306][ T1374] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 165.467674][ T1374] ___sys_sendmsg (net/socket.c:2670) [ 165.468023][ T1374] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.468384][ T1374] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 165.468743][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.469092][ T1374] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 165.469453][ T1374] ? __handle_mm_fault (mm/memory.c:6212) [ 165.469802][ T1374] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 165.470153][ T1374] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 165.470528][ T1374] __sys_sendmsg (net/socket.c:2700) [ 165.470881][ T1374] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.471228][ T1374] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 165.471596][ T1374] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 165.471938][ T1374] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.472283][ T1374] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.472636][ T1374] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.473059][ T1374] RIP: 0033:0x7fa202c621e7 [ 165.473428][ T1374] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 165.474659][ T1374] RSP: 002b:00007fffbfaa37e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.475176][ T1374] RAX: ffffffffffffffda RBX: 00007fffbfaa3f10 RCX: 00007fa202c621e7 [ 165.475697][ T1374] RDX: 0000000000000000 RSI: 00007fffbfaa3850 RDI: 0000000000000005 [ 165.476219][ T1374] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 165.476740][ T1374] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffbfaa3f48 [ 165.477250][ T1374] R13: 00000000686e0b9b R14: 0000000000499600 R15: 0000000000000000 | [ 165.641525][ T1377] ------------[ cut here ]------------ | [ 165.641905][ T1377] WARNING: CPU: 2 PID: 1377 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 165.642640][ T1377] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 165.643991][ T1377] Tainted: [W]=WARN [ 165.644442][ T1377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.645135][ T1377] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 165.645539][ T1377] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.646781][ T1377] RSP: 0018:ffffc90001087080 EFLAGS: 00010246 [ 165.647227][ T1377] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 165.647774][ T1377] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 165.648303][ T1377] RBP: ffffc90001087168 R08: 0000000000000000 R09: 0000000000000000 [ 165.648864][ T1377] R10: ffffc90001087198 R11: ffffffff924a8918 R12: 1ffff92000210e14 [ 165.649408][ T1377] R13: 00000000000005dc R14: ffffc90001087198 R15: ffff88800e26af08 [ 165.649937][ T1377] FS: 00007f496e102800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 165.650564][ T1377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.651014][ T1377] CR2: 00000000004a1738 CR3: 000000000ee72005 CR4: 0000000000772ef0 [ 165.651569][ T1377] PKRU: 55555554 [ 165.651851][ T1377] Call Trace: [ 165.652125][ T1377] [ 165.652312][ T1377] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.652694][ T1377] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 165.653050][ T1377] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 165.653506][ T1377] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 165.653872][ T1377] netif_set_mtu (net/core/dev.c:9652) [ 165.654232][ T1377] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.654666][ T1377] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 165.655180][ T1377] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.655473][ T1377] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.655969][ T1377] br_add_if (net/bridge/br_if.c:697) bridge [ 165.656372][ T1377] do_set_master (net/core/rtnetlink.c:2948) [ 165.656750][ T1377] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 165.657118][ T1377] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 165.657500][ T1377] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 165.657862][ T1377] ? __dev_get_by_name (net/core/dev.c:865) [ 165.658216][ T1377] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.658578][ T1377] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.658949][ T1377] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.659331][ T1377] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.659697][ T1377] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 165.660066][ T1377] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.660436][ T1377] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.660809][ T1377] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.661162][ T1377] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.661527][ T1377] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.661881][ T1377] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.662235][ T1377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.662606][ T1377] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.662967][ T1377] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.663339][ T1377] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.663721][ T1377] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.664088][ T1377] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.664465][ T1377] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 165.664827][ T1377] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.665184][ T1377] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.665543][ T1377] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.665902][ T1377] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.666263][ T1377] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.666641][ T1377] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.667007][ T1377] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.667370][ T1377] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.667741][ T1377] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.668192][ T1377] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 165.668578][ T1377] ___sys_sendmsg (net/socket.c:2670) [ 165.668931][ T1377] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.669326][ T1377] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 165.669677][ T1377] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.670014][ T1377] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 165.670360][ T1377] ? __handle_mm_fault (mm/memory.c:6212) [ 165.670712][ T1377] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 165.671047][ T1377] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 165.671406][ T1377] __sys_sendmsg (net/socket.c:2700) [ 165.671753][ T1377] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.672086][ T1377] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 165.672457][ T1377] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 165.672804][ T1377] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.673157][ T1377] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.673513][ T1377] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.673940][ T1377] RIP: 0033:0x7f496e2cf1e7 [ 165.674302][ T1377] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 165.675507][ T1377] RSP: 002b:00007ffc9dce2cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.676017][ T1377] RAX: ffffffffffffffda RBX: 00007ffc9dce3400 RCX: 00007f496e2cf1e7 [ 165.676790][ T1377] RDX: 0000000000000000 RSI: 00007ffc9dce2d40 RDI: 0000000000000005 [ 165.677305][ T1377] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 165.677824][ T1377] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9dce3438 [ 165.678330][ T1377] R13: 00000000686e0b9b R14: 0000000000499600 R15: 0000000000000000 | [ 165.919285][ T1378] ------------[ cut here ]------------ | [ 165.919718][ T1378] WARNING: CPU: 3 PID: 1378 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 165.920453][ T1378] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 165.921853][ T1378] Tainted: [W]=WARN [ 165.922133][ T1378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.922631][ T1378] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 165.922993][ T1378] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.924155][ T1378] RSP: 0018:ffffc900010d7080 EFLAGS: 00010246 [ 165.924606][ T1378] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 165.925101][ T1378] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 165.925832][ T1378] RBP: ffffc900010d7168 R08: 0000000000000000 R09: 0000000000000000 [ 165.926321][ T1378] R10: ffffc900010d7198 R11: ffffffff924a8918 R12: 1ffff9200021ae14 [ 165.927012][ T1378] R13: 00000000000005dc R14: ffffc900010d7198 R15: ffff88800e26af08 [ 165.927762][ T1378] FS: 00007fbd9bf79800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 165.928369][ T1378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.929018][ T1378] CR2: 00000000004a1738 CR3: 000000000f2f4002 CR4: 0000000000772ef0 [ 165.929710][ T1378] PKRU: 55555554 [ 165.930024][ T1378] Call Trace: [ 165.930349][ T1378] [ 165.930718][ T1378] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.931056][ T1378] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 165.931680][ T1378] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 165.932283][ T1378] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 165.932934][ T1378] netif_set_mtu (net/core/dev.c:9652) [ 165.933375][ T1378] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.934040][ T1378] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 165.934788][ T1378] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.935065][ T1378] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.935613][ T1378] br_add_if (net/bridge/br_if.c:697) bridge [ 165.936095][ T1378] do_set_master (net/core/rtnetlink.c:2948) [ 165.936531][ T1378] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 165.936942][ T1378] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 165.937356][ T1378] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 165.937755][ T1378] ? __dev_get_by_name (net/core/dev.c:865) [ 165.938215][ T1378] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.938687][ T1378] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.939150][ T1378] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.939626][ T1378] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.940144][ T1378] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 165.940600][ T1378] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.941097][ T1378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.941628][ T1378] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.942055][ T1378] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.942486][ T1378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.942835][ T1378] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.943189][ T1378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.943546][ T1378] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.943895][ T1378] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.944299][ T1378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.944680][ T1378] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.945052][ T1378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.945416][ T1378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 165.945787][ T1378] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.946139][ T1378] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.946498][ T1378] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.946846][ T1378] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.947191][ T1378] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.947552][ T1378] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.947918][ T1378] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.948279][ T1378] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.948646][ T1378] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.949091][ T1378] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 165.949452][ T1378] ___sys_sendmsg (net/socket.c:2670) [ 165.949803][ T1378] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.950163][ T1378] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 165.950520][ T1378] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.950862][ T1378] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 165.951222][ T1378] ? __handle_mm_fault (mm/memory.c:6212) [ 165.951578][ T1378] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 165.951926][ T1378] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 165.952287][ T1378] __sys_sendmsg (net/socket.c:2700) [ 165.952635][ T1378] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.952978][ T1378] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 165.953322][ T1378] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 165.953683][ T1378] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.954027][ T1378] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.954417][ T1378] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.954842][ T1378] RIP: 0033:0x7fbd9c1461e7 [ 165.955220][ T1378] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 165.956619][ T1378] RSP: 002b:00007ffde22304a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.957228][ T1378] RAX: ffffffffffffffda RBX: 00007ffde2230bd0 RCX: 00007fbd9c1461e7 [ 165.957815][ T1378] RDX: 0000000000000000 RSI: 00007ffde2230510 RDI: 0000000000000005 [ 165.958438][ T1378] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 165.959031][ T1378] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffde2230c08 [ 165.959646][ T1378] R13: 00000000686e0b9b R14: 0000000000499600 R15: 0000000000000000 | [ 166.143298][ T1380] ------------[ cut here ]------------ | [ 166.143780][ T1380] WARNING: CPU: 0 PID: 1380 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 166.144498][ T1380] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 166.145907][ T1380] Tainted: [W]=WARN [ 166.146182][ T1380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 166.146631][ T1380] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 166.147060][ T1380] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 166.148343][ T1380] RSP: 0018:ffffc900010d7080 EFLAGS: 00010246 [ 166.148806][ T1380] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 166.149316][ T1380] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 166.149837][ T1380] RBP: ffffc900010d7168 R08: 0000000000000000 R09: 0000000000000000 [ 166.150403][ T1380] R10: ffffc900010d7198 R11: ffffffff924a8918 R12: 1ffff9200021ae14 [ 166.150989][ T1380] R13: 00000000000005dc R14: ffffc900010d7198 R15: ffff88800e26af08 [ 166.151561][ T1380] FS: 00007f84310af800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 166.152200][ T1380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 166.152658][ T1380] CR2: 00000000004a1738 CR3: 0000000005659004 CR4: 0000000000772ef0 [ 166.153168][ T1380] PKRU: 55555554 [ 166.153507][ T1380] Call Trace: [ 166.153762][ T1380] [ 166.153933][ T1380] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 166.154297][ T1380] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 166.154655][ T1380] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 166.155161][ T1380] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 166.155575][ T1380] netif_set_mtu (net/core/dev.c:9652) [ 166.155920][ T1380] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 166.156353][ T1380] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 166.156984][ T1380] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 166.157295][ T1380] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 166.157840][ T1380] br_add_if (net/bridge/br_if.c:697) bridge [ 166.158279][ T1380] do_set_master (net/core/rtnetlink.c:2948) [ 166.158642][ T1380] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 166.159067][ T1380] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 166.159418][ T1380] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 166.159754][ T1380] ? __dev_get_by_name (net/core/dev.c:865) [ 166.160080][ T1380] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 166.160472][ T1380] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 166.160912][ T1380] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 166.161256][ T1380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 166.161668][ T1380] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 166.162105][ T1380] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 166.162499][ T1380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 166.162901][ T1380] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 166.163222][ T1380] ? __lock_release (kernel/locking/lockdep.c:5539) [ 166.163582][ T1380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 166.163993][ T1380] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 166.164340][ T1380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 166.164713][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.165056][ T1380] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 166.165518][ T1380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 166.165902][ T1380] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 166.166233][ T1380] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 166.166582][ T1380] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 166.166922][ T1380] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 166.167334][ T1380] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 166.167762][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.168195][ T1380] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 166.168633][ T1380] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 166.169030][ T1380] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 166.169369][ T1380] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 166.169819][ T1380] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 166.170152][ T1380] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 166.170584][ T1380] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 166.170951][ T1380] ___sys_sendmsg (net/socket.c:2670) [ 166.171405][ T1380] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 166.171823][ T1380] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 166.172236][ T1380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 166.172664][ T1380] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 166.173000][ T1380] ? __handle_mm_fault (mm/memory.c:6212) [ 166.173342][ T1380] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 166.173695][ T1380] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 166.174129][ T1380] __sys_sendmsg (net/socket.c:2700) [ 166.174534][ T1380] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 166.174867][ T1380] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 166.175219][ T1380] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 166.175577][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 166.176002][ T1380] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 166.176331][ T1380] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 166.176841][ T1380] RIP: 0033:0x7f843127c1e7 [ 166.177258][ T1380] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 166.178733][ T1380] RSP: 002b:00007ffd77c54598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 166.179311][ T1380] RAX: ffffffffffffffda RBX: 00007ffd77c54cc0 RCX: 00007f843127c1e7 [ 166.179940][ T1380] RDX: 0000000000000000 RSI: 00007ffd77c54600 RDI: 0000000000000005 [ 166.180489][ T1380] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 166.181061][ T1380] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd77c54cf8 [ 166.181692][ T1380] R13: 00000000686e0b9b R14: 0000000000499600 R15: 0000000000000000 | [ 166.363574][ T1383] ------------[ cut here ]------------ | [ 166.363955][ T1383] WARNING: CPU: 3 PID: 1383 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 166.364705][ T1383] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 166.366024][ T1383] Tainted: [W]=WARN [ 166.366306][ T1383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 166.366770][ T1383] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 166.367150][ T1383] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 166.368594][ T1383] RSP: 0018:ffffc90001077080 EFLAGS: 00010246 [ 166.369046][ T1383] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 166.369736][ T1383] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 166.370287][ T1383] RBP: ffffc90001077168 R08: 0000000000000000 R09: 0000000000000000 [ 166.370997][ T1383] R10: ffffc90001077198 R11: ffffffff924a8918 R12: 1ffff9200020ee14 [ 166.371607][ T1383] R13: 00000000000005dc R14: ffffc90001077198 R15: ffff88800e26af08 [ 166.372154][ T1383] FS: 00007f6c93abc800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 166.372801][ T1383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 166.373245][ T1383] CR2: 00007f96699e5e80 CR3: 000000000f15c004 CR4: 0000000000772ef0 [ 166.373791][ T1383] PKRU: 55555554 [ 166.374060][ T1383] Call Trace: [ 166.374349][ T1383] [ 166.374543][ T1383] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 166.374918][ T1383] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 166.375274][ T1383] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 166.375739][ T1383] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 166.376121][ T1383] netif_set_mtu (net/core/dev.c:9652) [ 166.376496][ T1383] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 166.376864][ T1383] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 166.377348][ T1383] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 166.377625][ T1383] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 166.378095][ T1383] br_add_if (net/bridge/br_if.c:697) bridge [ 166.378502][ T1383] do_set_master (net/core/rtnetlink.c:2948) [ 166.378853][ T1383] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 166.379232][ T1383] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 166.379615][ T1383] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 166.379972][ T1383] ? __dev_get_by_name (net/core/dev.c:865) [ 166.380316][ T1383] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 166.380666][ T1383] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 166.381020][ T1383] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 166.381365][ T1383] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 166.381727][ T1383] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 166.382091][ T1383] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 166.382469][ T1383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 166.382821][ T1383] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 166.383171][ T1383] ? __lock_release (kernel/locking/lockdep.c:5539) [ 166.383526][ T1383] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 166.383869][ T1383] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 166.384210][ T1383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 166.384596][ T1383] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.384946][ T1383] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 166.385284][ T1383] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 166.385633][ T1383] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 166.385987][ T1383] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 166.386339][ T1383] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 166.386688][ T1383] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 166.387034][ T1383] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 166.387373][ T1383] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.387724][ T1383] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 166.388073][ T1383] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 166.388425][ T1383] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 166.388774][ T1383] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 166.389114][ T1383] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 166.389455][ T1383] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 166.389882][ T1383] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 166.390224][ T1383] ___sys_sendmsg (net/socket.c:2670) [ 166.390576][ T1383] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 166.390917][ T1383] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 166.391267][ T1383] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 166.391621][ T1383] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 166.391974][ T1383] ? __handle_mm_fault (mm/memory.c:6212) [ 166.392321][ T1383] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 166.392664][ T1383] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 166.393025][ T1383] __sys_sendmsg (net/socket.c:2700) [ 166.393366][ T1383] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 166.393719][ T1383] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 166.394069][ T1383] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 166.394453][ T1383] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 166.394797][ T1383] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 166.395145][ T1383] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 166.395585][ T1383] RIP: 0033:0x7f6c93c891e7 [ 166.395935][ T1383] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 166.397176][ T1383] RSP: 002b:00007ffd0221ea58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 166.397710][ T1383] RAX: ffffffffffffffda RBX: 00007ffd0221f180 RCX: 00007f6c93c891e7 [ 166.398241][ T1383] RDX: 0000000000000000 RSI: 00007ffd0221eac0 RDI: 0000000000000005 [ 166.398756][ T1383] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 166.399270][ T1383] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0221f1b8 [ 166.399819][ T1383] R13: 00000000686e0b9b R14: 0000000000499600 R15: 0000000000000000 | [ 166.591567][ T1384] ------------[ cut here ]------------ | [ 166.591925][ T1384] WARNING: CPU: 2 PID: 1384 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 166.592712][ T1384] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 166.594284][ T1384] Tainted: [W]=WARN [ 166.594723][ T1384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 166.595468][ T1384] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 166.596083][ T1384] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 166.598127][ T1384] RSP: 0018:ffffc900010d7080 EFLAGS: 00010246 [ 166.598883][ T1384] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 166.599769][ T1384] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 166.600643][ T1384] RBP: ffffc900010d7168 R08: 0000000000000000 R09: 0000000000000000 [ 166.601543][ T1384] R10: ffffc900010d7198 R11: ffffffff924a8918 R12: 1ffff9200021ae14 [ 166.602413][ T1384] R13: 00000000000005dc R14: ffffc900010d7198 R15: ffff88800e26af08 [ 166.603263][ T1384] FS: 00007f7177fb9800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 166.604374][ T1384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 166.605149][ T1384] CR2: 00000000004a1738 CR3: 000000000f15c004 CR4: 0000000000772ef0 [ 166.606049][ T1384] PKRU: 55555554 [ 166.606534][ T1384] Call Trace: [ 166.607012][ T1384] [ 166.607346][ T1384] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 166.607949][ T1384] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 166.608485][ T1384] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 166.608936][ T1384] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 166.609296][ T1384] netif_set_mtu (net/core/dev.c:9652) [ 166.609677][ T1384] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 166.610043][ T1384] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 166.610615][ T1384] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 166.610891][ T1384] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 166.611373][ T1384] br_add_if (net/bridge/br_if.c:697) bridge [ 166.611807][ T1384] do_set_master (net/core/rtnetlink.c:2948) [ 166.612156][ T1384] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 166.612536][ T1384] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 166.612890][ T1384] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 166.613228][ T1384] ? __dev_get_by_name (net/core/dev.c:865) [ 166.613598][ T1384] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 166.613957][ T1384] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 166.614312][ T1384] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 166.614674][ T1384] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 166.615018][ T1384] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 166.615364][ T1384] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 166.615738][ T1384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 166.616117][ T1384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 166.616496][ T1384] ? __lock_release (kernel/locking/lockdep.c:5539) [ 166.616863][ T1384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 166.617243][ T1384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 166.617646][ T1384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 166.617993][ T1384] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.618345][ T1384] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 166.618716][ T1384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 166.619064][ T1384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 166.619431][ T1384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 166.619784][ T1384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 166.620139][ T1384] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 166.620503][ T1384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 166.620843][ T1384] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.621204][ T1384] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 166.621574][ T1384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 166.621920][ T1384] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 166.622267][ T1384] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 166.622620][ T1384] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 166.622960][ T1384] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 166.623570][ T1384] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 166.624154][ T1384] ___sys_sendmsg (net/socket.c:2670) [ 166.624735][ T1384] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 166.625280][ T1384] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 166.625721][ T1384] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 166.626066][ T1384] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 166.626430][ T1384] ? __handle_mm_fault (mm/memory.c:6212) [ 166.626771][ T1384] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 166.627355][ T1384] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 166.627715][ T1384] __sys_sendmsg (net/socket.c:2700) [ 166.628048][ T1384] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 166.628387][ T1384] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 166.628972][ T1384] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 166.629312][ T1384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 166.629677][ T1384] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 166.630026][ T1384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 166.630683][ T1384] RIP: 0033:0x7f71781861e7 [ 166.631035][ T1384] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 166.632437][ T1384] RSP: 002b:00007ffd14f0e0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 166.632938][ T1384] RAX: ffffffffffffffda RBX: 00007ffd14f0e800 RCX: 00007f71781861e7 [ 166.633460][ T1384] RDX: 0000000000000000 RSI: 00007ffd14f0e140 RDI: 0000000000000005 [ 166.633957][ T1384] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 166.634483][ T1384] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd14f0e838 [ 166.635220][ T1384] R13: 00000000686e0b9c R14: 0000000000499600 R15: 0000000000000000 | [ 166.821446][ T1386] ------------[ cut here ]------------ | [ 166.821830][ T1386] WARNING: CPU: 2 PID: 1386 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 166.822650][ T1386] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 166.823923][ T1386] Tainted: [W]=WARN [ 166.824196][ T1386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 166.824678][ T1386] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 166.825043][ T1386] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 166.826215][ T1386] RSP: 0018:ffffc90001087080 EFLAGS: 00010246 [ 166.826651][ T1386] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 166.827202][ T1386] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 166.827741][ T1386] RBP: ffffc90001087168 R08: 0000000000000000 R09: 0000000000000000 [ 166.828293][ T1386] R10: ffffc90001087198 R11: ffffffff924a8918 R12: 1ffff92000210e14 [ 166.828820][ T1386] R13: 00000000000005dc R14: ffffc90001087198 R15: ffff88800e26af08 [ 166.829342][ T1386] FS: 00007f4db326a800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 166.830001][ T1386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 166.830457][ T1386] CR2: 00000000004a1738 CR3: 0000000009082001 CR4: 0000000000772ef0 [ 166.830976][ T1386] PKRU: 55555554 [ 166.831242][ T1386] Call Trace: [ 166.831513][ T1386] [ 166.831700][ T1386] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 166.832056][ T1386] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 166.832424][ T1386] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 166.832863][ T1386] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 166.833237][ T1386] netif_set_mtu (net/core/dev.c:9652) [ 166.833594][ T1386] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 166.833978][ T1386] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 166.834486][ T1386] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 166.834749][ T1386] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 166.835236][ T1386] br_add_if (net/bridge/br_if.c:697) bridge [ 166.835633][ T1386] do_set_master (net/core/rtnetlink.c:2948) [ 166.835967][ T1386] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 166.836302][ T1386] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 166.836658][ T1386] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 166.836989][ T1386] ? __dev_get_by_name (net/core/dev.c:865) [ 166.837330][ T1386] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 166.837673][ T1386] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 166.838052][ T1386] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 166.838381][ T1386] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 166.838741][ T1386] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 166.839094][ T1386] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 166.839445][ T1386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 166.839788][ T1386] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 166.840116][ T1386] ? __lock_release (kernel/locking/lockdep.c:5539) [ 166.840463][ T1386] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 166.840801][ T1386] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 166.841137][ T1386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 166.841479][ T1386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.841819][ T1386] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 166.842199][ T1386] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 166.842547][ T1386] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 166.842892][ T1386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 166.843223][ T1386] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 166.843573][ T1386] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 166.843907][ T1386] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 166.844241][ T1386] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 166.844607][ T1386] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 166.844949][ T1386] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 166.845286][ T1386] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 166.845637][ T1386] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 166.846007][ T1386] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 166.846345][ T1386] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 166.846793][ T1386] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 166.847142][ T1386] ___sys_sendmsg (net/socket.c:2670) [ 166.847490][ T1386] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 166.847828][ T1386] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 166.848165][ T1386] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 166.848507][ T1386] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 166.848851][ T1386] ? __handle_mm_fault (mm/memory.c:6212) [ 166.849189][ T1386] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 166.849534][ T1386] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 166.849920][ T1386] __sys_sendmsg (net/socket.c:2700) [ 166.850269][ T1386] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 166.850611][ T1386] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 166.850959][ T1386] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 166.851304][ T1386] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 166.851662][ T1386] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 166.852007][ T1386] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 166.852429][ T1386] RIP: 0033:0x7f4db34371e7 [ 166.852785][ T1386] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 166.853996][ T1386] RSP: 002b:00007fff3e0968e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 166.854516][ T1386] RAX: ffffffffffffffda RBX: 00007fff3e097010 RCX: 00007f4db34371e7 [ 166.854999][ T1386] RDX: 0000000000000000 RSI: 00007fff3e096950 RDI: 0000000000000005 [ 166.855497][ T1386] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 166.855999][ T1386] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff3e097048 [ 166.856496][ T1386] R13: 00000000686e0b9c R14: 0000000000499600 R15: 0000000000000000 | [ 167.043843][ T1388] ------------[ cut here ]------------ | [ 167.044431][ T1388] WARNING: CPU: 3 PID: 1388 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 167.045522][ T1388] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 167.047522][ T1388] Tainted: [W]=WARN [ 167.047951][ T1388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 167.048685][ T1388] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 167.049270][ T1388] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 167.051328][ T1388] RSP: 0018:ffffc900010d7080 EFLAGS: 00010246 [ 167.052062][ T1388] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 167.052937][ T1388] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 167.053762][ T1388] RBP: ffffc900010d7168 R08: 0000000000000000 R09: 0000000000000000 [ 167.054367][ T1388] R10: ffffc900010d7198 R11: ffffffff924a8918 R12: 1ffff9200021ae14 [ 167.055045][ T1388] R13: 00000000000005dc R14: ffffc900010d7198 R15: ffff88800e26af08 [ 167.055533][ T1388] FS: 00007f34fff5c800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 167.056148][ T1388] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 167.056573][ T1388] CR2: 00000000004a1738 CR3: 000000000e24b003 CR4: 0000000000772ef0 [ 167.057068][ T1388] PKRU: 55555554 [ 167.057304][ T1388] Call Trace: [ 167.057552][ T1388] [ 167.057716][ T1388] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 167.058059][ T1388] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 167.058377][ T1388] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 167.058781][ T1388] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 167.059128][ T1388] netif_set_mtu (net/core/dev.c:9652) [ 167.059465][ T1388] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 167.059795][ T1388] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 167.060264][ T1388] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 167.060586][ T1388] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 167.061255][ T1388] br_add_if (net/bridge/br_if.c:697) bridge [ 167.061935][ T1388] do_set_master (net/core/rtnetlink.c:2948) [ 167.062541][ T1388] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 167.063118][ T1388] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 167.063703][ T1388] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 167.064295][ T1388] ? __dev_get_by_name (net/core/dev.c:865) [ 167.064915][ T1388] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 167.065510][ T1388] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 167.065951][ T1388] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 167.066279][ T1388] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 167.066643][ T1388] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 167.066985][ T1388] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 167.067311][ T1388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.067664][ T1388] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 167.067990][ T1388] ? __lock_release (kernel/locking/lockdep.c:5539) [ 167.068314][ T1388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.068639][ T1388] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 167.069081][ T1388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.069527][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.069874][ T1388] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 167.070211][ T1388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.070550][ T1388] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 167.070902][ T1388] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 167.071219][ T1388] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 167.071546][ T1388] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 167.071881][ T1388] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 167.072197][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.072536][ T1388] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 167.072868][ T1388] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 167.073194][ T1388] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 167.073527][ T1388] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 167.073893][ T1388] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 167.074306][ T1388] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 167.074727][ T1388] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 167.075084][ T1388] ___sys_sendmsg (net/socket.c:2670) [ 167.075427][ T1388] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 167.075757][ T1388] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 167.076087][ T1388] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 167.076414][ T1388] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 167.076739][ T1388] ? __handle_mm_fault (mm/memory.c:6212) [ 167.077081][ T1388] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 167.077420][ T1388] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 167.077764][ T1388] __sys_sendmsg (net/socket.c:2700) [ 167.078101][ T1388] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 167.078428][ T1388] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 167.078756][ T1388] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 167.079084][ T1388] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 167.079425][ T1388] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 167.079760][ T1388] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 167.080166][ T1388] RIP: 0033:0x7f35001291e7 [ 167.080503][ T1388] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 167.081677][ T1388] RSP: 002b:00007ffdb3486bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 167.082176][ T1388] RAX: ffffffffffffffda RBX: 00007ffdb3487300 RCX: 00007f35001291e7 [ 167.082663][ T1388] RDX: 0000000000000000 RSI: 00007ffdb3486c40 RDI: 0000000000000005 [ 167.083153][ T1388] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 167.083643][ T1388] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdb3487338 [ 167.084138][ T1388] R13: 00000000686e0b9c R14: 0000000000499600 R15: 0000000000000000 | [ 167.278589][ T1390] ------------[ cut here ]------------ | [ 167.278905][ T1390] WARNING: CPU: 3 PID: 1390 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 167.279578][ T1390] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 167.280721][ T1390] Tainted: [W]=WARN [ 167.280962][ T1390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 167.281359][ T1390] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 167.281699][ T1390] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 167.282874][ T1390] RSP: 0018:ffffc90001087080 EFLAGS: 00010246 [ 167.283285][ T1390] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 167.283765][ T1390] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 167.284242][ T1390] RBP: ffffc90001087168 R08: 0000000000000000 R09: 0000000000000000 [ 167.284744][ T1390] R10: ffffc90001087198 R11: ffffffff924a8918 R12: 1ffff92000210e14 [ 167.285221][ T1390] R13: 00000000000005dc R14: ffffc90001087198 R15: ffff88800e26af08 [ 167.285706][ T1390] FS: 00007fda72dbc800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 167.286263][ T1390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 167.286674][ T1390] CR2: 00000000004a1738 CR3: 000000000f4af006 CR4: 0000000000772ef0 [ 167.287176][ T1390] PKRU: 55555554 [ 167.287433][ T1390] Call Trace: [ 167.287680][ T1390] [ 167.287867][ T1390] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 167.288192][ T1390] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 167.288521][ T1390] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 167.288918][ T1390] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 167.289239][ T1390] netif_set_mtu (net/core/dev.c:9652) [ 167.289564][ T1390] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 167.289896][ T1390] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 167.290335][ T1390] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 167.290588][ T1390] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 167.291028][ T1390] br_add_if (net/bridge/br_if.c:697) bridge [ 167.291403][ T1390] do_set_master (net/core/rtnetlink.c:2948) [ 167.291737][ T1390] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 167.292065][ T1390] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 167.292387][ T1390] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 167.292714][ T1390] ? __dev_get_by_name (net/core/dev.c:865) [ 167.293046][ T1390] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 167.293378][ T1390] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 167.293715][ T1390] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 167.294032][ T1390] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 167.294398][ T1390] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 167.294745][ T1390] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 167.295068][ T1390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.295421][ T1390] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 167.295742][ T1390] ? __lock_release (kernel/locking/lockdep.c:5539) [ 167.296085][ T1390] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.296430][ T1390] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 167.296766][ T1390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.297106][ T1390] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.297454][ T1390] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 167.297794][ T1390] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.298125][ T1390] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 167.298467][ T1390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 167.298800][ T1390] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 167.299127][ T1390] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 167.299458][ T1390] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 167.299780][ T1390] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.300107][ T1390] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 167.300435][ T1390] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 167.300752][ T1390] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 167.301078][ T1390] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 167.301409][ T1390] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 167.301732][ T1390] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 167.302136][ T1390] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 167.302466][ T1390] ___sys_sendmsg (net/socket.c:2670) [ 167.302788][ T1390] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 167.303104][ T1390] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 167.303441][ T1390] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 167.303764][ T1390] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 167.304087][ T1390] ? __handle_mm_fault (mm/memory.c:6212) [ 167.304483][ T1390] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 167.304813][ T1390] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 167.305164][ T1390] __sys_sendmsg (net/socket.c:2700) [ 167.305506][ T1390] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 167.305836][ T1390] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 167.306177][ T1390] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 167.306521][ T1390] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 167.306862][ T1390] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 167.307193][ T1390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 167.307602][ T1390] RIP: 0033:0x7fda72f891e7 [ 167.307930][ T1390] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 167.309062][ T1390] RSP: 002b:00007ffef299de78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 167.309553][ T1390] RAX: ffffffffffffffda RBX: 00007ffef299e5a0 RCX: 00007fda72f891e7 [ 167.310035][ T1390] RDX: 0000000000000000 RSI: 00007ffef299dee0 RDI: 0000000000000005 [ 167.310516][ T1390] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 167.310994][ T1390] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef299e5d8 [ 167.311476][ T1390] R13: 00000000686e0b9c R14: 0000000000499600 R15: 0000000000000000 | [ 167.477953][ T1392] ------------[ cut here ]------------ | [ 167.478328][ T1392] WARNING: CPU: 0 PID: 1392 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 167.479883][ T1392] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 167.481081][ T1392] Tainted: [W]=WARN [ 167.481342][ T1392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 167.481790][ T1392] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 167.482186][ T1392] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 167.483543][ T1392] RSP: 0018:ffffc90001027080 EFLAGS: 00010246 [ 167.484008][ T1392] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 167.484566][ T1392] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 167.485123][ T1392] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000 [ 167.485727][ T1392] R10: ffffc90001027198 R11: ffffffff924a8918 R12: 1ffff92000204e14 [ 167.486294][ T1392] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff88800e26af08 [ 167.486865][ T1392] FS: 00007fe056f92800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 167.487527][ T1392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 167.488000][ T1392] CR2: 00007f96695dc7b0 CR3: 000000000ee1c004 CR4: 0000000000772ef0 [ 167.488633][ T1392] PKRU: 55555554 [ 167.488967][ T1392] Call Trace: [ 167.489268][ T1392] [ 167.489492][ T1392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 167.489929][ T1392] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 167.490315][ T1392] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 167.490815][ T1392] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 167.491218][ T1392] netif_set_mtu (net/core/dev.c:9652) [ 167.491647][ T1392] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 167.492061][ T1392] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 167.492598][ T1392] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 167.492867][ T1392] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 167.493357][ T1392] br_add_if (net/bridge/br_if.c:697) bridge [ 167.493786][ T1392] do_set_master (net/core/rtnetlink.c:2948) [ 167.494160][ T1392] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 167.494571][ T1392] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 167.494893][ T1392] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 167.495215][ T1392] ? __dev_get_by_name (net/core/dev.c:865) [ 167.495539][ T1392] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 167.495855][ T1392] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 167.496178][ T1392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 167.496501][ T1392] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 167.496839][ T1392] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 167.497204][ T1392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 167.497615][ T1392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.497971][ T1392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 167.498288][ T1392] ? __lock_release (kernel/locking/lockdep.c:5539) [ 167.498614][ T1392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.498970][ T1392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 167.499343][ T1392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.499695][ T1392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.500061][ T1392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 167.500449][ T1392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.500785][ T1392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 167.501136][ T1392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 167.501471][ T1392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 167.501868][ T1392] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 167.502222][ T1392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 167.502551][ T1392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.502902][ T1392] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 167.503259][ T1392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 167.503636][ T1392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 167.504027][ T1392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 167.504439][ T1392] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 167.504871][ T1392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 167.505418][ T1392] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 167.505829][ T1392] ___sys_sendmsg (net/socket.c:2670) [ 167.506239][ T1392] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 167.506636][ T1392] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 167.507045][ T1392] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 167.507448][ T1392] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 167.508708][ T1392] ? __handle_mm_fault (mm/memory.c:6212) [ 167.509073][ T1392] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 167.509938][ T1392] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 167.510318][ T1392] __sys_sendmsg (net/socket.c:2700) [ 167.510670][ T1392] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 167.511045][ T1392] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 167.511454][ T1392] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 167.512109][ T1392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 167.512499][ T1392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 167.512837][ T1392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 167.513225][ T1392] RIP: 0033:0x7fe05715f1e7 [ 167.513554][ T1392] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 167.515051][ T1392] RSP: 002b:00007ffd0dbaa548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 167.515559][ T1392] RAX: ffffffffffffffda RBX: 00007ffd0dbaac70 RCX: 00007fe05715f1e7 [ 167.516148][ T1392] RDX: 0000000000000000 RSI: 00007ffd0dbaa5b0 RDI: 0000000000000005 [ 167.517200][ T1392] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 167.517752][ T1392] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0dbaaca8 [ 167.518306][ T1392] R13: 00000000686e0b9d R14: 0000000000499600 R15: 0000000000000000 | [ 167.698605][ T1394] ------------[ cut here ]------------ | [ 167.698966][ T1394] WARNING: CPU: 2 PID: 1394 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 167.699739][ T1394] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 167.701164][ T1394] Tainted: [W]=WARN [ 167.701494][ T1394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 167.701911][ T1394] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 167.702379][ T1394] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 167.703552][ T1394] RSP: 0018:ffffc90001107080 EFLAGS: 00010246 [ 167.703976][ T1394] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 167.704508][ T1394] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 167.705136][ T1394] RBP: ffffc90001107168 R08: 0000000000000000 R09: 0000000000000000 [ 167.705641][ T1394] R10: ffffc90001107198 R11: ffffffff924a8918 R12: 1ffff92000220e14 [ 167.706255][ T1394] R13: 00000000000005dc R14: ffffc90001107198 R15: ffff88800e26af08 [ 167.706790][ T1394] FS: 00007f8db76c3800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 167.707558][ T1394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 167.708014][ T1394] CR2: 00007f9669820a00 CR3: 000000000ee1c003 CR4: 0000000000772ef0 [ 167.708680][ T1394] PKRU: 55555554 [ 167.709002][ T1394] Call Trace: [ 167.709290][ T1394] [ 167.709498][ T1394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 167.709948][ T1394] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 167.710351][ T1394] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 167.710775][ T1394] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 167.711124][ T1394] netif_set_mtu (net/core/dev.c:9652) [ 167.711486][ T1394] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 167.711836][ T1394] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 167.712472][ T1394] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 167.712735][ T1394] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 167.713307][ T1394] br_add_if (net/bridge/br_if.c:697) bridge [ 167.713702][ T1394] do_set_master (net/core/rtnetlink.c:2948) [ 167.714197][ T1394] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 167.714607][ T1394] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 167.715050][ T1394] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 167.715464][ T1394] ? __dev_get_by_name (net/core/dev.c:865) [ 167.715814][ T1394] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 167.716243][ T1394] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 167.716682][ T1394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 167.717042][ T1394] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 167.717412][ T1394] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 167.717844][ T1394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 167.718306][ T1394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.718664][ T1394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 167.719007][ T1394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 167.719443][ T1394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.719778][ T1394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 167.720219][ T1394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.720593][ T1394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.721029][ T1394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 167.721487][ T1394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.721879][ T1394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 167.722453][ T1394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 167.722800][ T1394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 167.723165][ T1394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 167.723599][ T1394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 167.724010][ T1394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.724401][ T1394] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 167.724841][ T1394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 167.725248][ T1394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 167.725746][ T1394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 167.726175][ T1394] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 167.726569][ T1394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 167.727079][ T1394] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 167.727534][ T1394] ___sys_sendmsg (net/socket.c:2670) [ 167.727870][ T1394] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 167.728216][ T1394] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 167.728659][ T1394] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 167.729072][ T1394] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 167.729490][ T1394] ? __handle_mm_fault (mm/memory.c:6212) [ 167.729913][ T1394] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 167.730454][ T1394] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 167.730841][ T1394] __sys_sendmsg (net/socket.c:2700) [ 167.731188][ T1394] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 167.731537][ T1394] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 167.731976][ T1394] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 167.732325][ T1394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 167.732671][ T1394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 167.733020][ T1394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 167.733456][ T1394] RIP: 0033:0x7f8db78901e7 [ 167.733821][ T1394] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 167.735204][ T1394] RSP: 002b:00007ffc486c5e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 167.735709][ T1394] RAX: ffffffffffffffda RBX: 00007ffc486c65c0 RCX: 00007f8db78901e7 [ 167.736287][ T1394] RDX: 0000000000000000 RSI: 00007ffc486c5f00 RDI: 0000000000000005 [ 167.736912][ T1394] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 167.737580][ T1394] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc486c65f8 [ 167.738332][ T1394] R13: 00000000686e0b9d R14: 0000000000499600 R15: 0000000000000000 | [ 167.919106][ T1397] ------------[ cut here ]------------ | [ 167.919630][ T1397] WARNING: CPU: 2 PID: 1397 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 167.920343][ T1397] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 167.921918][ T1397] Tainted: [W]=WARN [ 167.922208][ T1397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 167.922650][ T1397] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 167.923022][ T1397] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 167.924368][ T1397] RSP: 0018:ffffc90001107080 EFLAGS: 00010246 [ 167.924811][ T1397] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 167.925553][ T1397] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 167.926082][ T1397] RBP: ffffc90001107168 R08: 0000000000000000 R09: 0000000000000000 [ 167.926633][ T1397] R10: ffffc90001107198 R11: ffffffff924a8918 R12: 1ffff92000220e14 [ 167.927158][ T1397] R13: 00000000000005dc R14: ffffc90001107198 R15: ffff88800e26af08 [ 167.927752][ T1397] FS: 00007f60196b0800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 167.928576][ T1397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 167.929229][ T1397] CR2: 00000000004a1738 CR3: 000000000e182006 CR4: 0000000000772ef0 [ 167.929938][ T1397] PKRU: 55555554 [ 167.930246][ T1397] Call Trace: [ 167.930520][ T1397] [ 167.930709][ T1397] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 167.931168][ T1397] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 167.931605][ T1397] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 167.932269][ T1397] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 167.932639][ T1397] netif_set_mtu (net/core/dev.c:9652) [ 167.933008][ T1397] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 167.933409][ T1397] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 167.933886][ T1397] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 167.934172][ T1397] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 167.934664][ T1397] br_add_if (net/bridge/br_if.c:697) bridge [ 167.935080][ T1397] do_set_master (net/core/rtnetlink.c:2948) [ 167.935455][ T1397] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 167.935847][ T1397] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 167.936229][ T1397] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 167.936584][ T1397] ? __dev_get_by_name (net/core/dev.c:865) [ 167.936992][ T1397] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 167.937466][ T1397] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 167.937822][ T1397] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 167.938192][ T1397] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 167.938566][ T1397] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 167.938925][ T1397] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 167.939282][ T1397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.939648][ T1397] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 167.940009][ T1397] ? __lock_release (kernel/locking/lockdep.c:5539) [ 167.940382][ T1397] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 167.940735][ T1397] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 167.941100][ T1397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.941459][ T1397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.941816][ T1397] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 167.942176][ T1397] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 167.942545][ T1397] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 167.942908][ T1397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 167.943269][ T1397] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 167.943634][ T1397] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 167.943995][ T1397] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 167.944381][ T1397] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 167.944759][ T1397] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 167.945125][ T1397] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 167.945483][ T1397] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 167.945833][ T1397] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 167.946198][ T1397] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 167.946551][ T1397] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 167.946984][ T1397] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 167.947453][ T1397] ___sys_sendmsg (net/socket.c:2670) [ 167.947848][ T1397] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 167.948202][ T1397] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 167.948560][ T1397] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 167.948903][ T1397] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 167.949275][ T1397] ? __handle_mm_fault (mm/memory.c:6212) [ 167.949785][ T1397] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 167.950233][ T1397] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 167.950670][ T1397] __sys_sendmsg (net/socket.c:2700) [ 167.951036][ T1397] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 167.951443][ T1397] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 167.951842][ T1397] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 167.952224][ T1397] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 167.952592][ T1397] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 167.952947][ T1397] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 167.953405][ T1397] RIP: 0033:0x7f601987d1e7 [ 167.953760][ T1397] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 167.954996][ T1397] RSP: 002b:00007ffe491ec748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 167.955532][ T1397] RAX: ffffffffffffffda RBX: 00007ffe491ece70 RCX: 00007f601987d1e7 [ 167.956107][ T1397] RDX: 0000000000000000 RSI: 00007ffe491ec7b0 RDI: 0000000000000005 [ 167.956699][ T1397] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 167.957253][ T1397] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe491ecea8 [ 167.957890][ T1397] R13: 00000000686e0b9d R14: 0000000000499600 R15: 0000000000000000 | [ 168.123900][ T1399] ------------[ cut here ]------------ | [ 168.124256][ T1399] WARNING: CPU: 2 PID: 1399 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 168.125009][ T1399] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 168.126247][ T1399] Tainted: [W]=WARN [ 168.126523][ T1399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 168.126951][ T1399] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 168.127306][ T1399] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 168.128518][ T1399] RSP: 0018:ffffc90001107080 EFLAGS: 00010246 [ 168.128973][ T1399] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 168.129495][ T1399] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 168.130011][ T1399] RBP: ffffc90001107168 R08: 0000000000000000 R09: 0000000000000000 [ 168.130523][ T1399] R10: ffffc90001107198 R11: ffffffff924a8918 R12: 1ffff92000220e14 [ 168.131034][ T1399] R13: 00000000000005dc R14: ffffc90001107198 R15: ffff88800e26af08 [ 168.131554][ T1399] FS: 00007f35e7a7f800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 168.132154][ T1399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 168.132600][ T1399] CR2: 00000000004a1738 CR3: 000000001286b003 CR4: 0000000000772ef0 [ 168.133108][ T1399] PKRU: 55555554 [ 168.133369][ T1399] Call Trace: [ 168.133642][ T1399] [ 168.133830][ T1399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 168.134180][ T1399] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 168.134560][ T1399] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 168.134988][ T1399] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 168.135341][ T1399] netif_set_mtu (net/core/dev.c:9652) [ 168.135697][ T1399] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 168.136058][ T1399] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 168.136539][ T1399] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 168.136806][ T1399] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 168.137268][ T1399] br_add_if (net/bridge/br_if.c:697) bridge [ 168.137670][ T1399] do_set_master (net/core/rtnetlink.c:2948) [ 168.138015][ T1399] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 168.138371][ T1399] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 168.138742][ T1399] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 168.139090][ T1399] ? __dev_get_by_name (net/core/dev.c:865) [ 168.139446][ T1399] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 168.139791][ T1399] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 168.140145][ T1399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 168.140499][ T1399] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 168.140856][ T1399] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 168.141213][ T1399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 168.141575][ T1399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.141935][ T1399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 168.142291][ T1399] ? __lock_release (kernel/locking/lockdep.c:5539) [ 168.142650][ T1399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.142996][ T1399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 168.143346][ T1399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.143712][ T1399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.144066][ T1399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 168.144451][ T1399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.144800][ T1399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 168.145161][ T1399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 168.145522][ T1399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 168.145871][ T1399] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 168.146224][ T1399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 168.146575][ T1399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.146927][ T1399] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 168.147275][ T1399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 168.147637][ T1399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 168.147991][ T1399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 168.148343][ T1399] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 168.148701][ T1399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 168.149136][ T1399] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 168.149498][ T1399] ___sys_sendmsg (net/socket.c:2670) [ 168.149857][ T1399] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 168.150216][ T1399] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 168.150571][ T1399] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 168.150921][ T1399] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 168.151290][ T1399] ? __handle_mm_fault (mm/memory.c:6212) [ 168.151644][ T1399] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 168.151993][ T1399] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 168.152358][ T1399] __sys_sendmsg (net/socket.c:2700) [ 168.152715][ T1399] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 168.153058][ T1399] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 168.153416][ T1399] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 168.153763][ T1399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 168.154109][ T1399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 168.154487][ T1399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 168.154920][ T1399] RIP: 0033:0x7f35e7c4c1e7 [ 168.155283][ T1399] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 168.156497][ T1399] RSP: 002b:00007ffca20fd568 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 168.157030][ T1399] RAX: ffffffffffffffda RBX: 00007ffca20fdc90 RCX: 00007f35e7c4c1e7 [ 168.157549][ T1399] RDX: 0000000000000000 RSI: 00007ffca20fd5d0 RDI: 0000000000000005 [ 168.158060][ T1399] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 168.158585][ T1399] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca20fdcc8 [ 168.159097][ T1399] R13: 00000000686e0b9d R14: 0000000000499600 R15: 0000000000000000 | [ 168.327925][ T1401] ------------[ cut here ]------------ | [ 168.328259][ T1401] WARNING: CPU: 2 PID: 1401 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 168.328915][ T1401] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 168.330097][ T1401] Tainted: [W]=WARN [ 168.330349][ T1401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 168.330761][ T1401] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 168.331101][ T1401] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 168.332262][ T1401] RSP: 0018:ffffc90001147080 EFLAGS: 00010246 [ 168.332681][ T1401] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 168.333177][ T1401] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 168.333687][ T1401] RBP: ffffc90001147168 R08: 0000000000000000 R09: 0000000000000000 [ 168.334171][ T1401] R10: ffffc90001147198 R11: ffffffff924a8918 R12: 1ffff92000228e14 [ 168.334698][ T1401] R13: 00000000000005dc R14: ffffc90001147198 R15: ffff88800e26af08 [ 168.335186][ T1401] FS: 00007ff02e1ed800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 168.335767][ T1401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 168.336174][ T1401] CR2: 00007fc797b9284f CR3: 000000000bf52005 CR4: 0000000000772ef0 [ 168.336668][ T1401] PKRU: 55555554 [ 168.336923][ T1401] Call Trace: [ 168.337174][ T1401] [ 168.337351][ T1401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 168.337695][ T1401] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 168.338032][ T1401] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 168.338449][ T1401] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 168.338784][ T1401] netif_set_mtu (net/core/dev.c:9652) [ 168.339116][ T1401] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 168.339477][ T1401] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 168.339937][ T1401] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 168.340193][ T1401] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 168.340644][ T1401] br_add_if (net/bridge/br_if.c:697) bridge [ 168.341022][ T1401] do_set_master (net/core/rtnetlink.c:2948) [ 168.341347][ T1401] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 168.341689][ T1401] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 168.342021][ T1401] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 168.342346][ T1401] ? __dev_get_by_name (net/core/dev.c:865) [ 168.342697][ T1401] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 168.343031][ T1401] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 168.343362][ T1401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 168.343701][ T1401] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 168.344042][ T1401] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 168.344405][ T1401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 168.344748][ T1401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.345089][ T1401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 168.345425][ T1401] ? __lock_release (kernel/locking/lockdep.c:5539) [ 168.345766][ T1401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.346093][ T1401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 168.346431][ T1401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.346762][ T1401] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.347093][ T1401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 168.347433][ T1401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.347763][ T1401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 168.348108][ T1401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 168.348448][ T1401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 168.348777][ T1401] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 168.349108][ T1401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 168.349453][ T1401] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.349790][ T1401] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 168.350125][ T1401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 168.350460][ T1401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 168.350795][ T1401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 168.351127][ T1401] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 168.351463][ T1401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 168.351877][ T1401] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 168.352215][ T1401] ___sys_sendmsg (net/socket.c:2670) [ 168.352552][ T1401] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 168.352883][ T1401] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 168.353216][ T1401] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 168.353551][ T1401] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 168.353882][ T1401] ? __handle_mm_fault (mm/memory.c:6212) [ 168.354216][ T1401] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 168.354570][ T1401] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 168.354914][ T1401] __sys_sendmsg (net/socket.c:2700) [ 168.355242][ T1401] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 168.355577][ T1401] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 168.355912][ T1401] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 168.356243][ T1401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 168.356603][ T1401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 168.356934][ T1401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 168.357335][ T1401] RIP: 0033:0x7ff02e3ba1e7 [ 168.357682][ T1401] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 168.358825][ T1401] RSP: 002b:00007ffcf19c3bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 168.359311][ T1401] RAX: ffffffffffffffda RBX: 00007ffcf19c4300 RCX: 00007ff02e3ba1e7 [ 168.359806][ T1401] RDX: 0000000000000000 RSI: 00007ffcf19c3c40 RDI: 0000000000000005 [ 168.360289][ T1401] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 168.360783][ T1401] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcf19c4338 [ 168.361267][ T1401] R13: 00000000686e0b9d R14: 0000000000499600 R15: 0000000000000000 | [ 168.531029][ T1403] ------------[ cut here ]------------ | [ 168.531360][ T1403] WARNING: CPU: 1 PID: 1403 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 168.532049][ T1403] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 168.533243][ T1403] Tainted: [W]=WARN [ 168.533640][ T1403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 168.534035][ T1403] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 168.534384][ T1403] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 168.535826][ T1403] RSP: 0018:ffffc90001147080 EFLAGS: 00010246 [ 168.536221][ T1403] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 168.536769][ T1403] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 168.537237][ T1403] RBP: ffffc90001147168 R08: 0000000000000000 R09: 0000000000000000 [ 168.537717][ T1403] R10: ffffc90001147198 R11: ffffffff924a8918 R12: 1ffff92000228e14 [ 168.538186][ T1403] R13: 00000000000005dc R14: ffffc90001147198 R15: ffff88800e26af08 [ 168.538665][ T1403] FS: 00007ff83ed4e800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 168.539215][ T1403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 168.539618][ T1403] CR2: 00000000004a1738 CR3: 000000000f2f5004 CR4: 0000000000772ef0 [ 168.540089][ T1403] PKRU: 55555554 [ 168.540324][ T1403] Call Trace: [ 168.540567][ T1403] [ 168.540731][ T1403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 168.541056][ T1403] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 168.541371][ T1403] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 168.541774][ T1403] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 168.542089][ T1403] netif_set_mtu (net/core/dev.c:9652) [ 168.542415][ T1403] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 168.542741][ T1403] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 168.543179][ T1403] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 168.543434][ T1403] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 168.543860][ T1403] br_add_if (net/bridge/br_if.c:697) bridge [ 168.544217][ T1403] do_set_master (net/core/rtnetlink.c:2948) [ 168.544552][ T1403] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 168.544872][ T1403] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 168.545191][ T1403] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 168.545517][ T1403] ? __dev_get_by_name (net/core/dev.c:865) [ 168.545834][ T1403] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 168.546153][ T1403] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 168.546480][ T1403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 168.546795][ T1403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 168.547116][ T1403] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 168.547445][ T1403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 168.547764][ T1403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.548087][ T1403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 168.548409][ T1403] ? __lock_release (kernel/locking/lockdep.c:5539) [ 168.548730][ T1403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.549039][ T1403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 168.549352][ T1403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.549679][ T1403] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.549996][ T1403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 168.550308][ T1403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.550631][ T1403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 168.550955][ T1403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 168.551263][ T1403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 168.551586][ T1403] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 168.551905][ T1403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 168.552216][ T1403] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.552549][ T1403] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 168.552872][ T1403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 168.553187][ T1403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 168.553530][ T1403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 168.553847][ T1403] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 168.554159][ T1403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 168.554580][ T1403] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 168.554901][ T1403] ___sys_sendmsg (net/socket.c:2670) [ 168.555217][ T1403] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 168.555546][ T1403] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 168.555860][ T1403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 168.556173][ T1403] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 168.556499][ T1403] ? __handle_mm_fault (mm/memory.c:6212) [ 168.556812][ T1403] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 168.557130][ T1403] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 168.557471][ T1403] __sys_sendmsg (net/socket.c:2700) [ 168.557785][ T1403] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 168.558096][ T1403] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 168.558423][ T1403] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 168.558738][ T1403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 168.559060][ T1403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 168.559377][ T1403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 168.559776][ T1403] RIP: 0033:0x7ff83ef1b1e7 [ 168.560097][ T1403] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 168.561212][ T1403] RSP: 002b:00007ffc328bb538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 168.561705][ T1403] RAX: ffffffffffffffda RBX: 00007ffc328bbc60 RCX: 00007ff83ef1b1e7 [ 168.562186][ T1403] RDX: 0000000000000000 RSI: 00007ffc328bb5a0 RDI: 0000000000000005 [ 168.562663][ T1403] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 168.563131][ T1403] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc328bbc98 [ 168.563611][ T1403] R13: 00000000686e0b9e R14: 0000000000499600 R15: 0000000000000000 | [ 168.728758][ T1405] ------------[ cut here ]------------ | [ 168.729094][ T1405] WARNING: CPU: 3 PID: 1405 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 168.729850][ T1405] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 168.731031][ T1405] Tainted: [W]=WARN [ 168.731297][ T1405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 168.731708][ T1405] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 168.732060][ T1405] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 168.733277][ T1405] RSP: 0018:ffffc90001157080 EFLAGS: 00010246 [ 168.733739][ T1405] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 168.734258][ T1405] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 168.734778][ T1405] RBP: ffffc90001157168 R08: 0000000000000000 R09: 0000000000000000 [ 168.735293][ T1405] R10: ffffc90001157198 R11: ffffffff924a8918 R12: 1ffff9200022ae14 [ 168.735792][ T1405] R13: 00000000000005dc R14: ffffc90001157198 R15: ffff88800e26af08 [ 168.736294][ T1405] FS: 00007fa191cf0800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 168.736881][ T1405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 168.737282][ T1405] CR2: 00007fd3233681b4 CR3: 000000000f144002 CR4: 0000000000772ef0 [ 168.737779][ T1405] PKRU: 55555554 [ 168.738062][ T1405] Call Trace: [ 168.738307][ T1405] [ 168.738502][ T1405] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 168.738840][ T1405] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 168.739193][ T1405] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 168.739617][ T1405] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 168.739946][ T1405] netif_set_mtu (net/core/dev.c:9652) [ 168.740294][ T1405] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 168.740648][ T1405] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 168.741119][ T1405] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 168.741371][ T1405] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 168.741818][ T1405] br_add_if (net/bridge/br_if.c:697) bridge [ 168.742203][ T1405] do_set_master (net/core/rtnetlink.c:2948) [ 168.742537][ T1405] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 168.742866][ T1405] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 168.743199][ T1405] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 168.744011][ T1405] ? __dev_get_by_name (net/core/dev.c:865) [ 168.744364][ T1405] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 168.744708][ T1405] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 168.745041][ T1405] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 168.745356][ T1405] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 168.745699][ T1405] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 168.746033][ T1405] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 168.746365][ T1405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.746712][ T1405] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 168.747535][ T1405] ? __lock_release (kernel/locking/lockdep.c:5539) [ 168.747866][ T1405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.748456][ T1405] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 168.748793][ T1405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.749121][ T1405] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.749478][ T1405] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 168.749804][ T1405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.750427][ T1405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 168.750775][ T1405] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 168.751107][ T1405] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 168.751482][ T1405] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 168.751818][ T1405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 168.752401][ T1405] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.752771][ T1405] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 168.753109][ T1405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 168.753453][ T1405] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 168.753792][ T1405] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 168.754128][ T1405] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 168.754479][ T1405] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 168.755350][ T1405] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 168.755729][ T1405] ___sys_sendmsg (net/socket.c:2670) [ 168.756055][ T1405] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 168.756409][ T1405] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 168.756736][ T1405] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 168.757082][ T1405] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 168.757415][ T1405] ? __handle_mm_fault (mm/memory.c:6212) [ 168.757987][ T1405] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 168.758338][ T1405] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 168.758680][ T1405] __sys_sendmsg (net/socket.c:2700) [ 168.759022][ T1405] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 168.759359][ T1405] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 168.759705][ T1405] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 168.760029][ T1405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 168.760373][ T1405] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 168.760700][ T1405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 168.761360][ T1405] RIP: 0033:0x7fa191ebd1e7 [ 168.761696][ T1405] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 168.762854][ T1405] RSP: 002b:00007ffe63f67958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 168.763365][ T1405] RAX: ffffffffffffffda RBX: 00007ffe63f68080 RCX: 00007fa191ebd1e7 [ 168.764370][ T1405] RDX: 0000000000000000 RSI: 00007ffe63f679c0 RDI: 0000000000000005 [ 168.764894][ T1405] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 168.765383][ T1405] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe63f680b8 [ 168.766325][ T1405] R13: 00000000686e0b9e R14: 0000000000499600 R15: 0000000000000000 | [ 168.944149][ T1406] ------------[ cut here ]------------ | [ 168.945650][ T1406] WARNING: CPU: 0 PID: 1406 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 168.946645][ T1406] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 168.947862][ T1406] Tainted: [W]=WARN [ 168.948105][ T1406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 168.948508][ T1406] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 168.948947][ T1406] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 168.950245][ T1406] RSP: 0018:ffffc90001177080 EFLAGS: 00010246 [ 168.950672][ T1406] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 168.951153][ T1406] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 168.951649][ T1406] RBP: ffffc90001177168 R08: 0000000000000000 R09: 0000000000000000 [ 168.952127][ T1406] R10: ffffc90001177198 R11: ffffffff924a8918 R12: 1ffff9200022ee14 [ 168.952603][ T1406] R13: 00000000000005dc R14: ffffc90001177198 R15: ffff88800e26af08 [ 168.953082][ T1406] FS: 00007f1255348800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 168.953648][ T1406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 168.954046][ T1406] CR2: 00000000004a1738 CR3: 000000000e17f003 CR4: 0000000000772ef0 [ 168.954546][ T1406] PKRU: 55555554 [ 168.954791][ T1406] Call Trace: [ 168.955033][ T1406] [ 168.955197][ T1406] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 168.955530][ T1406] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 168.955856][ T1406] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 168.956252][ T1406] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 168.956581][ T1406] netif_set_mtu (net/core/dev.c:9652) [ 168.956906][ T1406] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 168.957233][ T1406] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 168.957692][ T1406] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 168.957934][ T1406] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 168.958375][ T1406] br_add_if (net/bridge/br_if.c:697) bridge [ 168.958756][ T1406] do_set_master (net/core/rtnetlink.c:2948) [ 168.959070][ T1406] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 168.959386][ T1406] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 168.959724][ T1406] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 168.960040][ T1406] ? __dev_get_by_name (net/core/dev.c:865) [ 168.960357][ T1406] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 168.960689][ T1406] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 168.961011][ T1406] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 168.961445][ T1406] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 168.961917][ T1406] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 168.962256][ T1406] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 168.962590][ T1406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.962927][ T1406] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 168.963241][ T1406] ? __lock_release (kernel/locking/lockdep.c:5539) [ 168.963602][ T1406] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 168.964073][ T1406] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 168.964561][ T1406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.964900][ T1406] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.965230][ T1406] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 168.965558][ T1406] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 168.965888][ T1406] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 168.966229][ T1406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 168.966563][ T1406] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 168.966888][ T1406] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 168.967207][ T1406] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 168.967531][ T1406] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 168.967862][ T1406] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 168.968180][ T1406] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 168.968508][ T1406] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 168.968838][ T1406] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 168.969159][ T1406] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 168.969568][ T1406] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 168.969980][ T1406] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 168.970306][ T1406] ___sys_sendmsg (net/socket.c:2670) [ 168.970641][ T1406] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 168.970968][ T1406] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 168.971311][ T1406] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 168.971667][ T1406] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 168.972021][ T1406] ? __handle_mm_fault (mm/memory.c:6212) [ 168.972409][ T1406] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 168.972749][ T1406] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 168.973119][ T1406] __sys_sendmsg (net/socket.c:2700) [ 168.973480][ T1406] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 168.973825][ T1406] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 168.974165][ T1406] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 168.974528][ T1406] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 168.974929][ T1406] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 168.975431][ T1406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 168.975873][ T1406] RIP: 0033:0x7f12555151e7 [ 168.976354][ T1406] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 168.977706][ T1406] RSP: 002b:00007ffe11d28048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 168.978302][ T1406] RAX: ffffffffffffffda RBX: 00007ffe11d28770 RCX: 00007f12555151e7 [ 168.978824][ T1406] RDX: 0000000000000000 RSI: 00007ffe11d280b0 RDI: 0000000000000005 [ 168.979575][ T1406] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 168.980375][ T1406] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe11d287a8 [ 168.981250][ T1406] R13: 00000000686e0b9e R14: 0000000000499600 R15: 0000000000000000 | [ 169.140369][ T1408] ------------[ cut here ]------------ | [ 169.140772][ T1408] WARNING: CPU: 3 PID: 1408 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 169.141445][ T1408] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 169.142657][ T1408] Tainted: [W]=WARN [ 169.142987][ T1408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 169.144121][ T1408] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 169.144662][ T1408] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 169.145792][ T1408] RSP: 0018:ffffc90001147080 EFLAGS: 00010246 [ 169.146194][ T1408] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 169.146669][ T1408] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 169.147142][ T1408] RBP: ffffc90001147168 R08: 0000000000000000 R09: 0000000000000000 [ 169.147627][ T1408] R10: ffffc90001147198 R11: ffffffff924a8918 R12: 1ffff92000228e14 [ 169.148104][ T1408] R13: 00000000000005dc R14: ffffc90001147198 R15: ffff88800e26af08 [ 169.148586][ T1408] FS: 00007fe2f3777800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 169.149140][ T1408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 169.149543][ T1408] CR2: 00007f9669820a00 CR3: 0000000005f57002 CR4: 0000000000772ef0 [ 169.150013][ T1408] PKRU: 55555554 [ 169.150248][ T1408] Call Trace: [ 169.150491][ T1408] [ 169.150654][ T1408] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 169.150974][ T1408] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 169.151289][ T1408] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 169.151692][ T1408] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 169.152008][ T1408] netif_set_mtu (net/core/dev.c:9652) [ 169.152334][ T1408] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 169.152670][ T1408] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 169.153104][ T1408] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 169.153342][ T1408] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 169.153786][ T1408] br_add_if (net/bridge/br_if.c:697) bridge [ 169.154145][ T1408] do_set_master (net/core/rtnetlink.c:2948) [ 169.154483][ T1408] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 169.154800][ T1408] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 169.155115][ T1408] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 169.155433][ T1408] ? __dev_get_by_name (net/core/dev.c:865) [ 169.155751][ T1408] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 169.156065][ T1408] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 169.156383][ T1408] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 169.156703][ T1408] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 169.157023][ T1408] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 169.157344][ T1408] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 169.157668][ T1408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 169.157995][ T1408] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 169.158310][ T1408] ? __lock_release (kernel/locking/lockdep.c:5539) [ 169.158708][ T1408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 169.159037][ T1408] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 169.159358][ T1408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 169.159686][ T1408] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 169.160007][ T1408] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 169.160324][ T1408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 169.160656][ T1408] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 169.160980][ T1408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 169.161291][ T1408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 169.161614][ T1408] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 169.161932][ T1408] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 169.162244][ T1408] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 169.162571][ T1408] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 169.162892][ T1408] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 169.163206][ T1408] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 169.163537][ T1408] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 169.163856][ T1408] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 169.164168][ T1408] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 169.164585][ T1408] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 169.164907][ T1408] ___sys_sendmsg (net/socket.c:2670) [ 169.165228][ T1408] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 169.165550][ T1408] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 169.165866][ T1408] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 169.166176][ T1408] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 169.166511][ T1408] ? __handle_mm_fault (mm/memory.c:6212) [ 169.166826][ T1408] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 169.167144][ T1408] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 169.167508][ T1408] __sys_sendmsg (net/socket.c:2700) [ 169.167831][ T1408] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 169.168142][ T1408] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 169.168473][ T1408] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 169.168803][ T1408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 169.169120][ T1408] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 169.169441][ T1408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 169.169831][ T1408] RIP: 0033:0x7fe2f39441e7 [ 169.170156][ T1408] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 169.171281][ T1408] RSP: 002b:00007ffd45825528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.171770][ T1408] RAX: ffffffffffffffda RBX: 00007ffd45825c50 RCX: 00007fe2f39441e7 [ 169.172243][ T1408] RDX: 0000000000000000 RSI: 00007ffd45825590 RDI: 0000000000000005 [ 169.172731][ T1408] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 169.173213][ T1408] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd45825c88 [ 169.173692][ T1408] R13: 00000000686e0b9e R14: 0000000000499600 R15: 0000000000000000 | [ 169.342265][ T1410] ------------[ cut here ]------------ | [ 169.342653][ T1410] WARNING: CPU: 0 PID: 1410 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 169.343271][ T1410] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 169.344451][ T1410] Tainted: [W]=WARN [ 169.344691][ T1410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 169.345091][ T1410] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 169.345422][ T1410] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 169.346580][ T1410] RSP: 0018:ffffc90001167080 EFLAGS: 00010246 [ 169.346980][ T1410] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 169.347458][ T1410] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 169.347928][ T1410] RBP: ffffc90001167168 R08: 0000000000000000 R09: 0000000000000000 [ 169.348401][ T1410] R10: ffffc90001167198 R11: ffffffff924a8918 R12: 1ffff9200022ce14 [ 169.348872][ T1410] R13: 00000000000005dc R14: ffffc90001167198 R15: ffff88800e26af08 [ 169.349347][ T1410] FS: 00007f5976364800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 169.349912][ T1410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 169.350316][ T1410] CR2: 00000000004a1738 CR3: 000000000c24a002 CR4: 0000000000772ef0 [ 169.350798][ T1410] PKRU: 55555554 [ 169.351039][ T1410] Call Trace: [ 169.351273][ T1410] [ 169.351443][ T1410] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 169.351763][ T1410] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 169.352080][ T1410] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 169.352488][ T1410] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 169.352803][ T1410] netif_set_mtu (net/core/dev.c:9652) [ 169.353120][ T1410] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 169.353456][ T1410] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 169.353895][ T1410] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 169.354134][ T1410] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 169.354607][ T1410] br_add_if (net/bridge/br_if.c:697) bridge [ 169.354972][ T1410] do_set_master (net/core/rtnetlink.c:2948) [ 169.355290][ T1410] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 169.355617][ T1410] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 169.355935][ T1410] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 169.356245][ T1410] ? __dev_get_by_name (net/core/dev.c:865) [ 169.356568][ T1410] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 169.356889][ T1410] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 169.357214][ T1410] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 169.357535][ T1410] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 169.357855][ T1410] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 169.358183][ T1410] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 169.358513][ T1410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 169.358842][ T1410] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 169.359172][ T1410] ? __lock_release (kernel/locking/lockdep.c:5539) [ 169.359501][ T1410] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 169.359818][ T1410] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 169.360140][ T1410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 169.360480][ T1410] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 169.360805][ T1410] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 169.361122][ T1410] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 169.361457][ T1410] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 169.361787][ T1410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 169.362099][ T1410] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 169.362432][ T1410] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 169.362753][ T1410] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 169.363066][ T1410] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 169.363401][ T1410] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 169.363724][ T1410] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 169.364042][ T1410] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 169.364383][ T1410] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 169.364716][ T1410] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 169.365030][ T1410] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 169.365438][ T1410] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 169.365760][ T1410] ___sys_sendmsg (net/socket.c:2670) [ 169.366076][ T1410] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 169.366404][ T1410] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 169.366726][ T1410] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 169.367039][ T1410] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 169.367364][ T1410] ? __handle_mm_fault (mm/memory.c:6212) [ 169.367689][ T1410] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 169.368004][ T1410] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 169.368336][ T1410] __sys_sendmsg (net/socket.c:2700) [ 169.368657][ T1410] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 169.368977][ T1410] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 169.369306][ T1410] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 169.369635][ T1410] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 169.369953][ T1410] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 169.370269][ T1410] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 169.370670][ T1410] RIP: 0033:0x7f59765311e7 [ 169.371002][ T1410] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 169.372139][ T1410] RSP: 002b:00007fffb92223e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.372624][ T1410] RAX: ffffffffffffffda RBX: 00007fffb9222b10 RCX: 00007f59765311e7 [ 169.373103][ T1410] RDX: 0000000000000000 RSI: 00007fffb9222450 RDI: 0000000000000005 [ 169.373628][ T1410] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 169.374116][ T1410] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb9222b48 [ 169.374610][ T1410] R13: 00000000686e0b9e R14: 0000000000499600 R15: 0000000000000000 | [ 169.536945][ T1412] ------------[ cut here ]------------ | [ 169.537263][ T1412] WARNING: CPU: 0 PID: 1412 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 169.537959][ T1412] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 169.539104][ T1412] Tainted: [W]=WARN [ 169.539344][ T1412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 169.539758][ T1412] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 169.540081][ T1412] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 169.541236][ T1412] RSP: 0018:ffffc90001167080 EFLAGS: 00010246 [ 169.541648][ T1412] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 169.542119][ T1412] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 169.542635][ T1412] RBP: ffffc90001167168 R08: 0000000000000000 R09: 0000000000000000 [ 169.543118][ T1412] R10: ffffc90001167198 R11: ffffffff924a8918 R12: 1ffff9200022ce14 [ 169.543598][ T1412] R13: 00000000000005dc R14: ffffc90001167198 R15: ffff88800e26af08 [ 169.544094][ T1412] FS: 00007fc261a77800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 169.544698][ T1412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 169.545119][ T1412] CR2: 00000000004a1738 CR3: 000000000f47d001 CR4: 0000000000772ef0 [ 169.545621][ T1412] PKRU: 55555554 [ 169.545857][ T1412] Call Trace: [ 169.546095][ T1412] [ 169.546264][ T1412] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 169.546634][ T1412] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 169.546969][ T1412] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 169.547400][ T1412] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 169.547733][ T1412] netif_set_mtu (net/core/dev.c:9652) [ 169.548082][ T1412] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 169.548428][ T1412] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 169.548889][ T1412] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 169.549144][ T1412] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 169.549601][ T1412] br_add_if (net/bridge/br_if.c:697) bridge [ 169.549977][ T1412] do_set_master (net/core/rtnetlink.c:2948) [ 169.550307][ T1412] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 169.550656][ T1412] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 169.551001][ T1412] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 169.551342][ T1412] ? __dev_get_by_name (net/core/dev.c:865) [ 169.551686][ T1412] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 169.552018][ T1412] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 169.552346][ T1412] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 169.552682][ T1412] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 169.553026][ T1412] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 169.553370][ T1412] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 169.553712][ T1412] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 169.554057][ T1412] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 169.554406][ T1412] ? __lock_release (kernel/locking/lockdep.c:5539) [ 169.554729][ T1412] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 169.555051][ T1412] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 169.555376][ T1412] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 169.555713][ T1412] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 169.556056][ T1412] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 169.556405][ T1412] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 169.556735][ T1412] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 169.557087][ T1412] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 169.557424][ T1412] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 169.557755][ T1412] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 169.558083][ T1412] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 169.558406][ T1412] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 169.558737][ T1412] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 169.559062][ T1412] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 169.559381][ T1412] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 169.559711][ T1412] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 169.560031][ T1412] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 169.560343][ T1412] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 169.560763][ T1412] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 169.561096][ T1412] ___sys_sendmsg (net/socket.c:2670) [ 169.561432][ T1412] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 169.561753][ T1412] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 169.562092][ T1412] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 169.562451][ T1412] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 169.562771][ T1412] ? __handle_mm_fault (mm/memory.c:6212) [ 169.563090][ T1412] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 169.563408][ T1412] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 169.563737][ T1412] __sys_sendmsg (net/socket.c:2700) [ 169.564052][ T1412] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 169.564385][ T1412] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 169.564720][ T1412] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 169.565037][ T1412] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 169.565361][ T1412] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 169.565705][ T1412] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 169.566104][ T1412] RIP: 0033:0x7fc261c441e7 [ 169.566453][ T1412] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 169.567586][ T1412] RSP: 002b:00007fff6b12eb58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.568072][ T1412] RAX: ffffffffffffffda RBX: 00007fff6b12f280 RCX: 00007fc261c441e7 [ 169.568564][ T1412] RDX: 0000000000000000 RSI: 00007fff6b12ebc0 RDI: 0000000000000005 [ 169.569056][ T1412] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 169.569546][ T1412] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff6b12f2b8 [ 169.570022][ T1412] R13: 00000000686e0b9f R14: 0000000000499600 R15: 0000000000000000 | [ 169.722904][ T1414] ------------[ cut here ]------------ | [ 169.723245][ T1414] WARNING: CPU: 2 PID: 1414 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 169.723964][ T1414] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 169.725175][ T1414] Tainted: [W]=WARN [ 169.725439][ T1414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 169.725847][ T1414] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 169.726191][ T1414] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 169.727336][ T1414] RSP: 0018:ffffc90001167080 EFLAGS: 00010246 [ 169.727758][ T1414] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 169.728240][ T1414] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 169.728732][ T1414] RBP: ffffc90001167168 R08: 0000000000000000 R09: 0000000000000000 [ 169.729243][ T1414] R10: ffffc90001167198 R11: ffffffff924a8918 R12: 1ffff9200022ce14 [ 169.729756][ T1414] R13: 00000000000005dc R14: ffffc90001167198 R15: ffff88800e26af08 [ 169.730272][ T1414] FS: 00007f5dbefb0800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 169.730863][ T1414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 169.731274][ T1414] CR2: 00000000004a1738 CR3: 000000000c209005 CR4: 0000000000772ef0 [ 169.731775][ T1414] PKRU: 55555554 [ 169.732028][ T1414] Call Trace: [ 169.732279][ T1414] [ 169.732468][ T1414] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 169.732806][ T1414] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 169.733149][ T1414] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 169.733593][ T1414] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 169.733924][ T1414] netif_set_mtu (net/core/dev.c:9652) [ 169.734289][ T1414] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 169.734644][ T1414] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 169.735111][ T1414] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 169.735379][ T1414] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 169.735837][ T1414] br_add_if (net/bridge/br_if.c:697) bridge [ 169.736210][ T1414] do_set_master (net/core/rtnetlink.c:2948) [ 169.736559][ T1414] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 169.736906][ T1414] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 169.737243][ T1414] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 169.737579][ T1414] ? __dev_get_by_name (net/core/dev.c:865) [ 169.737910][ T1414] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 169.738238][ T1414] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 169.738579][ T1414] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 169.738902][ T1414] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 169.739241][ T1414] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 169.739587][ T1414] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 169.739919][ T1414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 169.740254][ T1414] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 169.740587][ T1414] ? __lock_release (kernel/locking/lockdep.c:5539) [ 169.740917][ T1414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 169.741242][ T1414] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 169.741581][ T1414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 169.741911][ T1414] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 169.742243][ T1414] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 169.742579][ T1414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 169.742906][ T1414] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 169.743273][ T1414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 169.743633][ T1414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 169.743967][ T1414] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 169.744305][ T1414] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 169.744642][ T1414] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 169.744990][ T1414] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 169.745324][ T1414] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 169.745676][ T1414] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 169.746012][ T1414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 169.746351][ T1414] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 169.746686][ T1414] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 169.747092][ T1414] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 169.747440][ T1414] ___sys_sendmsg (net/socket.c:2670) [ 169.747768][ T1414] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 169.748094][ T1414] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 169.748441][ T1414] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 169.748777][ T1414] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 169.749108][ T1414] ? __handle_mm_fault (mm/memory.c:6212) [ 169.749451][ T1414] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 169.749774][ T1414] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 169.750118][ T1414] __sys_sendmsg (net/socket.c:2700) [ 169.750454][ T1414] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 169.750781][ T1414] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 169.751118][ T1414] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 169.751471][ T1414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 169.751838][ T1414] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 169.752171][ T1414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 169.752585][ T1414] RIP: 0033:0x7f5dbf17d1e7 [ 169.752928][ T1414] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 169.754071][ T1414] RSP: 002b:00007fffc13e7308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.754583][ T1414] RAX: ffffffffffffffda RBX: 00007fffc13e7a30 RCX: 00007f5dbf17d1e7 [ 169.755067][ T1414] RDX: 0000000000000000 RSI: 00007fffc13e7370 RDI: 0000000000000005 [ 169.755560][ T1414] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 169.756060][ T1414] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc13e7a68 [ 169.756579][ T1414] R13: 00000000686e0b9f R14: 0000000000499600 R15: 0000000000000000 | [ 169.911148][ T1416] ------------[ cut here ]------------ | [ 169.911509][ T1416] WARNING: CPU: 1 PID: 1416 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 169.912139][ T1416] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 169.913289][ T1416] Tainted: [W]=WARN [ 169.913551][ T1416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 169.913945][ T1416] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 169.914286][ T1416] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 169.915484][ T1416] RSP: 0018:ffffc90001097080 EFLAGS: 00010246 [ 169.915883][ T1416] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 169.916357][ T1416] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 169.917027][ T1416] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000 [ 169.917724][ T1416] R10: ffffc90001097198 R11: ffffffff924a8918 R12: 1ffff92000212e14 [ 169.918195][ T1416] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800e26af08 [ 169.918890][ T1416] FS: 00007f50be12b800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 169.919593][ T1416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 169.919991][ T1416] CR2: 00007f96699e5e80 CR3: 000000000e2b4002 CR4: 0000000000772ef0 [ 169.920649][ T1416] PKRU: 55555554 [ 169.920891][ T1416] Call Trace: [ 169.921129][ T1416] [ 169.921293][ T1416] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 169.921796][ T1416] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 169.922119][ T1416] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 169.922668][ T1416] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 169.922986][ T1416] netif_set_mtu (net/core/dev.c:9652) [ 169.923303][ T1416] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 169.923776][ T1416] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 169.924384][ T1416] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 169.924730][ T1416] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 169.925160][ T1416] br_add_if (net/bridge/br_if.c:697) bridge [ 169.925527][ T1416] do_set_master (net/core/rtnetlink.c:2948) [ 169.925842][ T1416] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 169.926173][ T1416] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 169.926511][ T1416] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 169.926844][ T1416] ? __dev_get_by_name (net/core/dev.c:865) [ 169.927176][ T1416] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 169.927518][ T1416] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 169.927851][ T1416] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 169.928176][ T1416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 169.928515][ T1416] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 169.928852][ T1416] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 169.929185][ T1416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 169.929533][ T1416] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 169.929861][ T1416] ? __lock_release (kernel/locking/lockdep.c:5539) [ 169.930193][ T1416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 169.930528][ T1416] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 169.930859][ T1416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 169.931192][ T1416] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 169.931525][ T1416] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 169.931840][ T1416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 169.932160][ T1416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 169.932498][ T1416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 169.932823][ T1416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 169.933151][ T1416] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 169.933488][ T1416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 169.933814][ T1416] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 169.934145][ T1416] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 169.934497][ T1416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 169.934830][ T1416] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 169.935170][ T1416] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 169.935515][ T1416] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 169.935846][ T1416] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 169.936269][ T1416] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 169.936615][ T1416] ___sys_sendmsg (net/socket.c:2670) [ 169.936955][ T1416] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 169.937292][ T1416] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 169.937638][ T1416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 169.937959][ T1416] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 169.938277][ T1416] ? __handle_mm_fault (mm/memory.c:6212) [ 169.938603][ T1416] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 169.938917][ T1416] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 169.939247][ T1416] __sys_sendmsg (net/socket.c:2700) [ 169.939573][ T1416] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 169.939885][ T1416] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 169.940218][ T1416] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 169.940563][ T1416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 169.940901][ T1416] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 169.941230][ T1416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 169.941648][ T1416] RIP: 0033:0x7f50be2f81e7 [ 169.941995][ T1416] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 169.943179][ T1416] RSP: 002b:00007ffe0a9a0ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 169.943680][ T1416] RAX: ffffffffffffffda RBX: 00007ffe0a9a11f0 RCX: 00007f50be2f81e7 [ 169.944176][ T1416] RDX: 0000000000000000 RSI: 00007ffe0a9a0b30 RDI: 0000000000000005 [ 169.944689][ T1416] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 169.945192][ T1416] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0a9a1228 [ 169.945696][ T1416] R13: 00000000686e0b9f R14: 0000000000499600 R15: 0000000000000000 | [ 170.114582][ T1418] ------------[ cut here ]------------ | [ 170.114920][ T1418] WARNING: CPU: 2 PID: 1418 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 170.115651][ T1418] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 170.116822][ T1418] Tainted: [W]=WARN [ 170.117075][ T1418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 170.117489][ T1418] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 170.117830][ T1418] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 170.118974][ T1418] RSP: 0018:ffffc90001187080 EFLAGS: 00010246 [ 170.119397][ T1418] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 170.119883][ T1418] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 170.120373][ T1418] RBP: ffffc90001187168 R08: 0000000000000000 R09: 0000000000000000 [ 170.120872][ T1418] R10: ffffc90001187198 R11: ffffffff924a8918 R12: 1ffff92000230e14 [ 170.121367][ T1418] R13: 00000000000005dc R14: ffffc90001187198 R15: ffff88800e26af08 [ 170.121874][ T1418] FS: 00007f910443f800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 170.122455][ T1418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 170.122864][ T1418] CR2: 00000000004a1738 CR3: 000000000e2b4003 CR4: 0000000000772ef0 [ 170.123351][ T1418] PKRU: 55555554 [ 170.123614][ T1418] Call Trace: [ 170.123862][ T1418] [ 170.124044][ T1418] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 170.124411][ T1418] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 170.124750][ T1418] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 170.125159][ T1418] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 170.125501][ T1418] netif_set_mtu (net/core/dev.c:9652) [ 170.125829][ T1418] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 170.126171][ T1418] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 170.126637][ T1418] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 170.126894][ T1418] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 170.127339][ T1418] br_add_if (net/bridge/br_if.c:697) bridge [ 170.127741][ T1418] do_set_master (net/core/rtnetlink.c:2948) [ 170.128077][ T1418] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 170.128428][ T1418] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 170.128781][ T1418] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 170.129112][ T1418] ? __dev_get_by_name (net/core/dev.c:865) [ 170.129451][ T1418] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 170.129788][ T1418] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 170.130129][ T1418] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 170.130470][ T1418] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 170.130808][ T1418] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 170.131260][ T1418] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 170.131857][ T1418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 170.132460][ T1418] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 170.133027][ T1418] ? __lock_release (kernel/locking/lockdep.c:5539) [ 170.133599][ T1418] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 170.134044][ T1418] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 170.134413][ T1418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 170.134752][ T1418] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 170.135092][ T1418] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 170.135426][ T1418] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 170.135761][ T1418] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 170.136101][ T1418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 170.136437][ T1418] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 170.136759][ T1418] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 170.137093][ T1418] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 170.137439][ T1418] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 170.137784][ T1418] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 170.138120][ T1418] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 170.138468][ T1418] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 170.138805][ T1418] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 170.139138][ T1418] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 170.139710][ T1418] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 170.140121][ T1418] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 170.140466][ T1418] ___sys_sendmsg (net/socket.c:2670) [ 170.140797][ T1418] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 170.141123][ T1418] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 170.141464][ T1418] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 170.141791][ T1418] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 170.142127][ T1418] ? __handle_mm_fault (mm/memory.c:6212) [ 170.142466][ T1418] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 170.142798][ T1418] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 170.143148][ T1418] __sys_sendmsg (net/socket.c:2700) [ 170.143940][ T1418] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 170.144287][ T1418] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 170.144642][ T1418] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 170.145206][ T1418] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 170.145546][ T1418] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 170.145872][ T1418] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 170.146272][ T1418] RIP: 0033:0x7f910460c1e7 [ 170.146620][ T1418] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 170.148499][ T1418] RSP: 002b:00007ffe4c212f78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 170.149009][ T1418] RAX: ffffffffffffffda RBX: 00007ffe4c2136a0 RCX: 00007f910460c1e7 [ 170.149742][ T1418] RDX: 0000000000000000 RSI: 00007ffe4c212fe0 RDI: 0000000000000005 [ 170.150228][ T1418] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 170.150728][ T1418] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe4c2136d8 [ 170.151213][ T1418] R13: 00000000686e0b9f R14: 0000000000499600 R15: 0000000000000000 | [ 170.314983][ T1420] ------------[ cut here ]------------ | [ 170.315297][ T1420] WARNING: CPU: 0 PID: 1420 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 170.316040][ T1420] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 170.317213][ T1420] Tainted: [W]=WARN [ 170.317466][ T1420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 170.317861][ T1420] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 170.318183][ T1420] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 170.319335][ T1420] RSP: 0018:ffffc90001197080 EFLAGS: 00010246 [ 170.319747][ T1420] RAX: 0000000000000000 RBX: ffff88800e26a000 RCX: 0000000000000001 [ 170.320223][ T1420] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 170.320722][ T1420] RBP: ffffc90001197168 R08: 0000000000000000 R09: 0000000000000000 [ 170.321197][ T1420] R10: ffffc90001197198 R11: ffffffff924a8918 R12: 1ffff92000232e14 [ 170.321679][ T1420] R13: 00000000000005dc R14: ffffc90001197198 R15: ffff88800e26af08 [ 170.322171][ T1420] FS: 00007f5379592800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 170.322765][ T1420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 170.323178][ T1420] CR2: 00007f537975f1d0 CR3: 000000000e2b4006 CR4: 0000000000772ef0 [ 170.323658][ T1420] PKRU: 55555554 [ 170.323895][ T1420] Call Trace: [ 170.324149][ T1420] [ 170.324357][ T1420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 170.324698][ T1420] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 170.325038][ T1420] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 170.325467][ T1420] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 170.325811][ T1420] netif_set_mtu (net/core/dev.c:9652) [ 170.326133][ T1420] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 170.326489][ T1420] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 170.326954][ T1420] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 170.327199][ T1420] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 170.327660][ T1420] br_add_if (net/bridge/br_if.c:697) bridge [ 170.328030][ T1420] do_set_master (net/core/rtnetlink.c:2948) [ 170.328349][ T1420] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 170.328695][ T1420] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 170.329033][ T1420] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 170.329347][ T1420] ? __dev_get_by_name (net/core/dev.c:865) [ 170.329682][ T1420] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 170.330005][ T1420] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 170.330336][ T1420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 170.330657][ T1420] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 170.330982][ T1420] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 170.331315][ T1420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 170.331648][ T1420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 170.332007][ T1420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 170.332348][ T1420] ? __lock_release (kernel/locking/lockdep.c:5539) [ 170.332679][ T1420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 170.332998][ T1420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 170.333314][ T1420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 170.333647][ T1420] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 170.333972][ T1420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 170.334325][ T1420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 170.334658][ T1420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 170.334995][ T1420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 170.335309][ T1420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 170.335634][ T1420] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 170.335954][ T1420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 170.336268][ T1420] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 170.336605][ T1420] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 170.336940][ T1420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 170.337262][ T1420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 170.337601][ T1420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 170.337931][ T1420] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 170.338248][ T1420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 170.338660][ T1420] ___sys_sendmsg (net/socket.c:2670) [ 170.338978][ T1420] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 170.339297][ T1420] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 170.339626][ T1420] ? mt_find (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 lib/maple_tree.c:6937) [ 170.339876][ T1420] ? __handle_mm_fault (mm/memory.c:6212) [ 170.340194][ T1420] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 170.340512][ T1420] ? mt_find (lib/maple_tree.c:6938) [ 170.340768][ T1420] __sys_sendmsg (net/socket.c:2700) [ 170.341109][ T1420] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 170.341460][ T1420] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) [ 170.341788][ T1420] ? do_user_addr_fault (./include/linux/mmap_lock.h:440 arch/x86/mm/fault.c:1415) [ 170.342120][ T1420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 170.342456][ T1420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 170.342788][ T1420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 170.343211][ T1420] RIP: 0033:0x7f537975f1e7 [ 170.343567][ T1420] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 170.344768][ T1420] RSP: 002b:00007ffdab618c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 170.345243][ T1420] RAX: ffffffffffffffda RBX: 00007ffdab6193c0 RCX: 00007f537975f1e7 [ 170.345723][ T1420] RDX: 0000000000000000 RSI: 00007ffdab618d00 RDI: 0000000000000005 [ 170.346205][ T1420] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 170.346685][ T1420] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdab6193f8 [ 170.347154][ T1420] R13: 00000000686e0b9f R14: 0000000000499600 R15: 0000000000000000 | [ 460.987655][T18029] ------------[ cut here ]------------ | [460.987985][T18029] WARNING: CPU: 3 PID: 18029 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 460.988771][T18029] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 460.989979][T18029] Tainted: [W]=WARN [ 460.990237][T18029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [460.990658][T18029] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 460.991007][T18029] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 460.992220][T18029] RSP: 0018:ffffc90005487080 EFLAGS: 00010246 [ 460.992654][T18029] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 460.993181][T18029] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 460.993728][T18029] RBP: ffffc90005487168 R08: 0000000000000000 R09: 0000000000000000 [ 460.994235][T18029] R10: ffffc90005487198 R11: ffffffff924a8918 R12: 1ffff92000a90e14 [ 460.994753][T18029] R13: 00000000000005dc R14: ffffc90005487198 R15: ffff888012042f08 [ 460.995272][T18029] FS: 00007fd336598800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 460.995882][T18029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 460.996325][T18029] CR2: 00000000004a1738 CR3: 0000000013fa9005 CR4: 0000000000772ef0 [ 460.996835][T18029] PKRU: 55555554 [ 460.997086][T18029] Call Trace: [ 460.997365][T18029] [460.997546][T18029] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [460.997891][T18029] ? mark_held_locks (kernel/locking/lockdep.c:4328) [460.998311][T18029] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [460.998736][T18029] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [460.999083][T18029] netif_set_mtu (net/core/dev.c:9652) [460.999441][T18029] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [460.999775][T18029] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [461.000256][T18029] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [461.000518][T18029] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [461.000978][T18029] br_add_if (net/bridge/br_if.c:697) bridge [461.001370][T18029] do_set_master (net/core/rtnetlink.c:2948) [461.001711][T18029] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [461.002087][T18029] rtnl_newlink_create (net/core/rtnetlink.c:3840) [461.002447][T18029] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [461.002780][T18029] ? __dev_get_by_name (net/core/dev.c:865) [461.003145][T18029] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [461.003481][T18029] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [461.003807][T18029] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [461.004142][T18029] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [461.004515][T18029] __rtnl_newlink (net/core/rtnetlink.c:3942) [461.004875][T18029] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [461.005234][T18029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [461.005575][T18029] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [461.005899][T18029] ? __lock_release (kernel/locking/lockdep.c:5539) [461.006239][T18029] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [461.006569][T18029] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [461.006894][T18029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [461.007257][T18029] ? __lock_acquire (kernel/locking/lockdep.c:5240) [461.007615][T18029] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [461.007934][T18029] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [461.008263][T18029] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [461.008609][T18029] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [461.008921][T18029] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [461.009254][T18029] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [461.009586][T18029] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [461.009915][T18029] ? __lock_acquire (kernel/locking/lockdep.c:5240) [461.010273][T18029] netlink_sendmsg (net/netlink/af_netlink.c:1896) [461.010683][T18029] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [461.011005][T18029] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [461.011345][T18029] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [461.011676][T18029] ? __pfx_____sys_sendmsg (net/socket.c:2560) [461.011995][T18029] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [461.012420][T18029] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [461.012768][T18029] ___sys_sendmsg (net/socket.c:2670) [461.013088][T18029] ? __pfx____sys_sendmsg (net/socket.c:2657) [461.013501][T18029] ? __pfx_handle_pte_fault (mm/memory.c:6026) [461.014111][T18029] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [461.014466][T18029] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [461.014819][T18029] ? __handle_mm_fault (mm/memory.c:6212) [461.015177][T18029] ? __pfx___handle_mm_fault (mm/memory.c:6121) [461.015521][T18029] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [461.015872][T18029] __sys_sendmsg (net/socket.c:2700) [461.016199][T18029] ? __pfx___sys_sendmsg (net/socket.c:2685) [461.016531][T18029] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [461.016869][T18029] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [461.017200][T18029] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [461.017539][T18029] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [461.017874][T18029] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 461.018279][T18029] RIP: 0033:0x7fd3367651e7 [ 461.018628][T18029] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 461.020043][T18029] RSP: 002b:00007ffefb1ef348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 461.020548][T18029] RAX: ffffffffffffffda RBX: 00007ffefb1efa70 RCX: 00007fd3367651e7 [ 461.021063][T18029] RDX: 0000000000000000 RSI: 00007ffefb1ef3b0 RDI: 0000000000000005 [ 461.021560][T18029] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 461.022056][T18029] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffefb1efaa8 [ 461.022557][T18029] R13: 00000000686e0cc2 R14: 0000000000499600 R15: 0000000000000000 | [ 461.216580][T18030] ------------[ cut here ]------------ | [461.216909][T18030] WARNING: CPU: 1 PID: 18030 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 461.217544][T18030] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 461.218750][T18030] Tainted: [W]=WARN [ 461.218992][T18030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [461.219382][T18030] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 461.219733][T18030] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 461.220875][T18030] RSP: 0018:ffffc900054e7080 EFLAGS: 00010246 [ 461.221274][T18030] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 461.221761][T18030] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 461.222235][T18030] RBP: ffffc900054e7168 R08: 0000000000000000 R09: 0000000000000000 [ 461.222714][T18030] R10: ffffc900054e7198 R11: ffffffff924a8918 R12: 1ffff92000a9ce14 [ 461.223193][T18030] R13: 00000000000005dc R14: ffffc900054e7198 R15: ffff888012042f08 [ 461.223683][T18030] FS: 00007f8f729cd800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 461.224240][T18030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 461.224704][T18030] CR2: 00007f9669876ae0 CR3: 000000001343d002 CR4: 0000000000772ef0 [ 461.225185][T18030] PKRU: 55555554 [ 461.225428][T18030] Call Trace: [ 461.225669][T18030] [461.225833][T18030] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [461.226153][T18030] ? mark_held_locks (kernel/locking/lockdep.c:4328) [461.226508][T18030] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [461.226911][T18030] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [461.227226][T18030] netif_set_mtu (net/core/dev.c:9652) [461.227581][T18030] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [461.227906][T18030] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [461.228367][T18030] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [461.228645][T18030] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [461.229108][T18030] br_add_if (net/bridge/br_if.c:697) bridge [461.229480][T18030] do_set_master (net/core/rtnetlink.c:2948) [461.229820][T18030] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [461.230142][T18030] rtnl_newlink_create (net/core/rtnetlink.c:3840) [461.230485][T18030] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [461.230810][T18030] ? __dev_get_by_name (net/core/dev.c:865) [461.231120][T18030] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [461.231460][T18030] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [461.231780][T18030] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [461.232106][T18030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [461.232444][T18030] __rtnl_newlink (net/core/rtnetlink.c:3942) [461.232783][T18030] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [461.233105][T18030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [461.233444][T18030] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [461.233765][T18030] ? __lock_release (kernel/locking/lockdep.c:5539) [461.234112][T18030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [461.234462][T18030] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [461.234811][T18030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [461.235148][T18030] ? __lock_acquire (kernel/locking/lockdep.c:5240) [461.235494][T18030] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [461.235816][T18030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [461.236141][T18030] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [461.236479][T18030] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [461.236798][T18030] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [461.237114][T18030] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [461.237439][T18030] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [461.237773][T18030] ? __lock_acquire (kernel/locking/lockdep.c:5240) [461.238102][T18030] netlink_sendmsg (net/netlink/af_netlink.c:1896) [461.238446][T18030] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [461.238771][T18030] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [461.239100][T18030] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [461.239439][T18030] ? __pfx_____sys_sendmsg (net/socket.c:2560) [461.239769][T18030] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [461.240172][T18030] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [461.240569][T18030] ___sys_sendmsg (net/socket.c:2670) [461.240903][T18030] ? __pfx____sys_sendmsg (net/socket.c:2657) [461.241220][T18030] ? __pfx_handle_pte_fault (mm/memory.c:6026) [461.241553][T18030] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [461.241877][T18030] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [461.242194][T18030] ? __handle_mm_fault (mm/memory.c:6212) [461.242523][T18030] ? __pfx___handle_mm_fault (mm/memory.c:6121) [461.242851][T18030] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [461.243190][T18030] __sys_sendmsg (net/socket.c:2700) [461.243529][T18030] ? __pfx___sys_sendmsg (net/socket.c:2685) [461.243871][T18030] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [461.244212][T18030] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [461.244568][T18030] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [461.244927][T18030] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [461.245260][T18030] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 461.245739][T18030] RIP: 0033:0x7f8f72b9a1e7 [ 461.246070][T18030] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 461.247255][T18030] RSP: 002b:00007fff83189698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 461.247758][T18030] RAX: ffffffffffffffda RBX: 00007fff83189dc0 RCX: 00007f8f72b9a1e7 [ 461.248242][T18030] RDX: 0000000000000000 RSI: 00007fff83189700 RDI: 0000000000000005 [ 461.248738][T18030] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 461.249224][T18030] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff83189df8 [ 461.249714][T18030] R13: 00000000686e0cc2 R14: 0000000000499600 R15: 0000000000000000 | [ 461.422165][T18033] ------------[ cut here ]------------ | [461.422499][T18033] WARNING: CPU: 0 PID: 18033 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 461.423144][T18033] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 461.424470][T18033] Tainted: [W]=WARN [ 461.424771][T18033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [461.425229][T18033] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 461.425599][T18033] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 461.426848][T18033] RSP: 0018:ffffc900054e7080 EFLAGS: 00010246 [ 461.427285][T18033] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 461.427859][T18033] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 461.428376][T18033] RBP: ffffc900054e7168 R08: 0000000000000000 R09: 0000000000000000 [ 461.428997][T18033] R10: ffffc900054e7198 R11: ffffffff924a8918 R12: 1ffff92000a9ce14 [ 461.429565][T18033] R13: 00000000000005dc R14: ffffc900054e7198 R15: ffff888012042f08 [ 461.430074][T18033] FS: 00007fb9f6124800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 461.430676][T18033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 461.431148][T18033] CR2: 00000000004a1738 CR3: 000000000ec39002 CR4: 0000000000772ef0 [ 461.431687][T18033] PKRU: 55555554 [ 461.431940][T18033] Call Trace: [ 461.432202][T18033] [461.432379][T18033] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [461.432755][T18033] ? mark_held_locks (kernel/locking/lockdep.c:4328) [461.433102][T18033] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [461.433561][T18033] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [461.433928][T18033] netif_set_mtu (net/core/dev.c:9652) [461.434258][T18033] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [461.434639][T18033] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [461.435099][T18033] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [461.435355][T18033] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [461.435820][T18033] br_add_if (net/bridge/br_if.c:697) bridge [461.436200][T18033] do_set_master (net/core/rtnetlink.c:2948) [461.436530][T18033] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [461.436888][T18033] rtnl_newlink_create (net/core/rtnetlink.c:3840) [461.437220][T18033] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [461.437543][T18033] ? __dev_get_by_name (net/core/dev.c:865) [461.437896][T18033] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [461.438258][T18033] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [461.438654][T18033] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [461.438972][T18033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [461.439337][T18033] __rtnl_newlink (net/core/rtnetlink.c:3942) [461.439676][T18033] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [461.440015][T18033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [461.440358][T18033] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [461.440704][T18033] ? __lock_release (kernel/locking/lockdep.c:5539) [461.441052][T18033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [461.441379][T18033] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [461.441717][T18033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [461.442048][T18033] ? __lock_acquire (kernel/locking/lockdep.c:5240) [461.442382][T18033] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [461.442710][T18033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [461.443065][T18033] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [461.443440][T18033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [461.443773][T18033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [461.444121][T18033] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [461.444453][T18033] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [461.444798][T18033] ? __lock_acquire (kernel/locking/lockdep.c:5240) [461.445147][T18033] netlink_sendmsg (net/netlink/af_netlink.c:1896) [461.445494][T18033] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [461.445813][T18033] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [461.446144][T18033] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [461.446507][T18033] ? __pfx_____sys_sendmsg (net/socket.c:2560) [461.446846][T18033] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [461.447245][T18033] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [461.447593][T18033] ___sys_sendmsg (net/socket.c:2670) [461.447931][T18033] ? __pfx____sys_sendmsg (net/socket.c:2657) [461.448279][T18033] ? __pfx_handle_pte_fault (mm/memory.c:6026) [461.448621][T18033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [461.448961][T18033] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [461.449279][T18033] ? __handle_mm_fault (mm/memory.c:6212) [461.449619][T18033] ? __pfx___handle_mm_fault (mm/memory.c:6121) [461.449932][T18033] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [461.450265][T18033] __sys_sendmsg (net/socket.c:2700) [461.450610][T18033] ? __pfx___sys_sendmsg (net/socket.c:2685) [461.450925][T18033] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [461.451256][T18033] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [461.451579][T18033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [461.451920][T18033] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [461.452236][T18033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 461.452629][T18033] RIP: 0033:0x7fb9f62f11e7 [ 461.452965][T18033] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 461.454146][T18033] RSP: 002b:00007ffd18326d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 461.454667][T18033] RAX: ffffffffffffffda RBX: 00007ffd183274b0 RCX: 00007fb9f62f11e7 [ 461.455169][T18033] RDX: 0000000000000000 RSI: 00007ffd18326df0 RDI: 0000000000000005 [ 461.455669][T18033] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 461.456175][T18033] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd183274e8 [ 461.456662][T18033] R13: 00000000686e0cc3 R14: 0000000000499600 R15: 0000000000000000 | [ 461.638214][T18035] ------------[ cut here ]------------ | [461.638783][T18035] WARNING: CPU: 2 PID: 18035 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 461.639843][T18035] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 461.641798][T18035] Tainted: [W]=WARN [ 461.642223][T18035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [461.642917][T18035] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 461.643499][T18035] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 461.645167][T18035] RSP: 0018:ffffc90008d87080 EFLAGS: 00010246 [ 461.645636][T18035] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 461.646168][T18035] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 461.646704][T18035] RBP: ffffc90008d87168 R08: 0000000000000000 R09: 0000000000000000 [ 461.647232][T18035] R10: ffffc90008d87198 R11: ffffffff924a8918 R12: 1ffff920011b0e14 [ 461.647791][T18035] R13: 00000000000005dc R14: ffffc90008d87198 R15: ffff888012042f08 [ 461.648333][T18035] FS: 00007f50895a2800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 461.648939][T18035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 461.649428][T18035] CR2: 00000000004a1738 CR3: 000000000ec39003 CR4: 0000000000772ef0 [ 461.649948][T18035] PKRU: 55555554 [ 461.650237][T18035] Call Trace: [ 461.650522][T18035] [461.650719][T18035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [461.651059][T18035] ? mark_held_locks (kernel/locking/lockdep.c:4328) [461.651428][T18035] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [461.651833][T18035] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [461.652163][T18035] netif_set_mtu (net/core/dev.c:9652) [461.652530][T18035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [461.652890][T18035] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [461.653358][T18035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [461.653660][T18035] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [461.654118][T18035] br_add_if (net/bridge/br_if.c:697) bridge [461.654524][T18035] do_set_master (net/core/rtnetlink.c:2948) [461.654903][T18035] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [461.655245][T18035] rtnl_newlink_create (net/core/rtnetlink.c:3840) [461.655604][T18035] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [461.655957][T18035] ? __dev_get_by_name (net/core/dev.c:865) [461.656302][T18035] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [461.656662][T18035] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [461.657020][T18035] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [461.657367][T18035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [461.657721][T18035] __rtnl_newlink (net/core/rtnetlink.c:3942) [461.658068][T18035] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [461.658442][T18035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [461.658792][T18035] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [461.659124][T18035] ? __lock_release (kernel/locking/lockdep.c:5539) [461.659480][T18035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [461.659821][T18035] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [461.660154][T18035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [461.660502][T18035] ? __lock_acquire (kernel/locking/lockdep.c:5240) [461.660861][T18035] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [461.661208][T18035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [461.661623][T18035] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [461.662027][T18035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [461.662373][T18035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [461.662761][T18035] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [461.663112][T18035] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [461.663479][T18035] ? __lock_acquire (kernel/locking/lockdep.c:5240) [461.663844][T18035] netlink_sendmsg (net/netlink/af_netlink.c:1896) [461.664238][T18035] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [461.664605][T18035] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [461.665006][T18035] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [461.665383][T18035] ? __pfx_____sys_sendmsg (net/socket.c:2560) [461.665774][T18035] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [461.666221][T18035] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [461.666610][T18035] ___sys_sendmsg (net/socket.c:2670) [461.666982][T18035] ? __pfx____sys_sendmsg (net/socket.c:2657) [461.667353][T18035] ? __pfx_handle_pte_fault (mm/memory.c:6026) [461.667731][T18035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [461.668063][T18035] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [461.668886][T18035] ? __handle_mm_fault (mm/memory.c:6212) [461.669263][T18035] ? __pfx___handle_mm_fault (mm/memory.c:6121) [461.669677][T18035] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [461.670094][T18035] __sys_sendmsg (net/socket.c:2700) [461.670449][T18035] ? __pfx___sys_sendmsg (net/socket.c:2685) [461.671449][T18035] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [461.671995][T18035] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [461.672590][T18035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [461.673163][T18035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [461.673753][T18035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 461.674467][T18035] RIP: 0033:0x7f508976f1e7 [ 461.675069][T18035] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 461.677160][T18035] RSP: 002b:00007ffdcf7ba898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 461.678504][T18035] RAX: ffffffffffffffda RBX: 00007ffdcf7bafc0 RCX: 00007f508976f1e7 [ 461.679285][T18035] RDX: 0000000000000000 RSI: 00007ffdcf7ba900 RDI: 0000000000000005 [ 461.680081][T18035] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 461.681119][T18035] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdcf7baff8 [ 461.681746][T18035] R13: 00000000686e0cc3 R14: 0000000000499600 R15: 0000000000000000 | [ 461.872420][T18038] ------------[ cut here ]------------ | [461.872783][T18038] WARNING: CPU: 3 PID: 18038 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 461.873551][T18038] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 461.874823][T18038] Tainted: [W]=WARN [ 461.875125][T18038] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [461.875575][T18038] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 461.875944][T18038] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 461.877190][T18038] RSP: 0018:ffffc90008d67080 EFLAGS: 00010246 [ 461.877628][T18038] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 461.878143][T18038] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 461.878664][T18038] RBP: ffffc90008d67168 R08: 0000000000000000 R09: 0000000000000000 [ 461.879201][T18038] R10: ffffc90008d67198 R11: ffffffff924a8918 R12: 1ffff920011ace14 [ 461.879734][T18038] R13: 00000000000005dc R14: ffffc90008d67198 R15: ffff888012042f08 [ 461.880246][T18038] FS: 00007f745e568800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 461.880870][T18038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 461.881303][T18038] CR2: 00000000004a1738 CR3: 0000000012132004 CR4: 0000000000772ef0 [ 461.881819][T18038] PKRU: 55555554 [ 461.882076][T18038] Call Trace: [ 461.882327][T18038] [461.882513][T18038] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [461.882870][T18038] ? mark_held_locks (kernel/locking/lockdep.c:4328) [461.883246][T18038] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [461.883685][T18038] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [461.884037][T18038] netif_set_mtu (net/core/dev.c:9652) [461.884388][T18038] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [461.884779][T18038] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [461.885280][T18038] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [461.885580][T18038] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [461.886039][T18038] br_add_if (net/bridge/br_if.c:697) bridge [461.886437][T18038] do_set_master (net/core/rtnetlink.c:2948) [461.886783][T18038] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [461.887177][T18038] rtnl_newlink_create (net/core/rtnetlink.c:3840) [461.887550][T18038] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [461.887900][T18038] ? __dev_get_by_name (net/core/dev.c:865) [461.888251][T18038] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [461.888607][T18038] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [461.888983][T18038] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [461.889333][T18038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [461.889698][T18038] __rtnl_newlink (net/core/rtnetlink.c:3942) [461.890047][T18038] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [461.890414][T18038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [461.890772][T18038] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [461.891136][T18038] ? __lock_release (kernel/locking/lockdep.c:5539) [461.891505][T18038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [461.891842][T18038] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [461.892199][T18038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [461.892557][T18038] ? __lock_acquire (kernel/locking/lockdep.c:5240) [461.892904][T18038] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [461.893264][T18038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [461.893635][T18038] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [461.893991][T18038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [461.894332][T18038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [461.894713][T18038] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [461.895083][T18038] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [461.895452][T18038] ? __lock_acquire (kernel/locking/lockdep.c:5240) [461.895805][T18038] netlink_sendmsg (net/netlink/af_netlink.c:1896) [461.896150][T18038] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [461.896514][T18038] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [461.896874][T18038] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [461.897222][T18038] ? __pfx_____sys_sendmsg (net/socket.c:2560) [461.897575][T18038] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [461.898008][T18038] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [461.898368][T18038] ___sys_sendmsg (net/socket.c:2670) [461.898725][T18038] ? __pfx____sys_sendmsg (net/socket.c:2657) [461.899099][T18038] ? __pfx_handle_pte_fault (mm/memory.c:6026) [461.899485][T18038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [461.899821][T18038] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [461.900172][T18038] ? __handle_mm_fault (mm/memory.c:6212) [461.900515][T18038] ? __pfx___handle_mm_fault (mm/memory.c:6121) [461.900844][T18038] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [461.901193][T18038] __sys_sendmsg (net/socket.c:2700) [461.901537][T18038] ? __pfx___sys_sendmsg (net/socket.c:2685) [461.901865][T18038] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [461.902209][T18038] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [461.902560][T18038] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [461.902912][T18038] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [461.903278][T18038] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 461.903710][T18038] RIP: 0033:0x7f745e7351e7 [ 461.904075][T18038] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 461.905318][T18038] RSP: 002b:00007ffd6819bfa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 461.905829][T18038] RAX: ffffffffffffffda RBX: 00007ffd6819c6d0 RCX: 00007f745e7351e7 [ 461.906329][T18038] RDX: 0000000000000000 RSI: 00007ffd6819c010 RDI: 0000000000000005 [ 461.906847][T18038] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 461.907380][T18038] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd6819c708 [ 461.907905][T18038] R13: 00000000686e0cc3 R14: 0000000000499600 R15: 0000000000000000 | [ 462.144854][T18041] ------------[ cut here ]------------ | [462.145201][T18041] WARNING: CPU: 2 PID: 18041 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 462.146438][T18041] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 462.147629][T18041] Tainted: [W]=WARN [ 462.147888][T18041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [462.148298][T18041] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 462.148656][T18041] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 462.149852][T18041] RSP: 0018:ffffc90008d57080 EFLAGS: 00010246 [ 462.150288][T18041] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 462.150805][T18041] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 462.151326][T18041] RBP: ffffc90008d57168 R08: 0000000000000000 R09: 0000000000000000 [ 462.151828][T18041] R10: ffffc90008d57198 R11: ffffffff924a8918 R12: 1ffff920011aae14 [ 462.152370][T18041] R13: 00000000000005dc R14: ffffc90008d57198 R15: ffff888012042f08 [ 462.152893][T18041] FS: 00007f808ba4f800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 462.153501][T18041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 462.153969][T18041] CR2: 00000000004a1738 CR3: 0000000012132004 CR4: 0000000000772ef0 [ 462.154630][T18041] PKRU: 55555554 [ 462.154906][T18041] Call Trace: [ 462.155158][T18041] [462.155343][T18041] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [462.155703][T18041] ? mark_held_locks (kernel/locking/lockdep.c:4328) [462.156052][T18041] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [462.156492][T18041] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [462.156830][T18041] netif_set_mtu (net/core/dev.c:9652) [462.157191][T18041] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [462.157548][T18041] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [462.158025][T18041] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [462.158308][T18041] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [462.158908][T18041] br_add_if (net/bridge/br_if.c:697) bridge [462.159381][T18041] do_set_master (net/core/rtnetlink.c:2948) [462.159820][T18041] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [462.160283][T18041] rtnl_newlink_create (net/core/rtnetlink.c:3840) [462.160733][T18041] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [462.161161][T18041] ? __dev_get_by_name (net/core/dev.c:865) [462.161610][T18041] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [462.162106][T18041] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [462.162586][T18041] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [462.162955][T18041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [462.163359][T18041] __rtnl_newlink (net/core/rtnetlink.c:3942) [462.163813][T18041] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [462.164290][T18041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [462.164881][T18041] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [462.165386][T18041] ? __lock_release (kernel/locking/lockdep.c:5539) [462.165845][T18041] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [462.166270][T18041] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [462.166686][T18041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [462.167126][T18041] ? __lock_acquire (kernel/locking/lockdep.c:5240) [462.167532][T18041] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [462.167978][T18041] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [462.168324][T18041] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [462.168689][T18041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [462.169103][T18041] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [462.169557][T18041] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [462.169913][T18041] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [462.170270][T18041] ? __lock_acquire (kernel/locking/lockdep.c:5240) [462.170622][T18041] netlink_sendmsg (net/netlink/af_netlink.c:1896) [462.170979][T18041] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [462.171420][T18041] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [462.171833][T18041] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [462.172239][T18041] ? __pfx_____sys_sendmsg (net/socket.c:2560) [462.172627][T18041] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [462.173068][T18041] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [462.173424][T18041] ___sys_sendmsg (net/socket.c:2670) [462.173755][T18041] ? __pfx____sys_sendmsg (net/socket.c:2657) [462.174105][T18041] ? __pfx_handle_pte_fault (mm/memory.c:6026) [462.174457][T18041] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [462.174806][T18041] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [462.175167][T18041] ? __handle_mm_fault (mm/memory.c:6212) [462.175511][T18041] ? __pfx___handle_mm_fault (mm/memory.c:6121) [462.175842][T18041] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [462.176304][T18041] __sys_sendmsg (net/socket.c:2700) [462.176687][T18041] ? __pfx___sys_sendmsg (net/socket.c:2685) [462.177095][T18041] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [462.177457][T18041] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [462.177791][T18041] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [462.178155][T18041] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [462.178511][T18041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 462.178967][T18041] RIP: 0033:0x7f808bc1c1e7 [ 462.179413][T18041] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 462.180884][T18041] RSP: 002b:00007ffc22133fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 462.181543][T18041] RAX: ffffffffffffffda RBX: 00007ffc221346e0 RCX: 00007f808bc1c1e7 [ 462.182129][T18041] RDX: 0000000000000000 RSI: 00007ffc22134020 RDI: 0000000000000005 [ 462.182733][T18041] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 462.183487][T18041] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc22134718 [ 462.183996][T18041] R13: 00000000686e0cc3 R14: 0000000000499600 R15: 0000000000000000 | [ 462.388555][T18043] ------------[ cut here ]------------ | [462.388906][T18043] WARNING: CPU: 0 PID: 18043 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 462.389597][T18043] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 462.390828][T18043] Tainted: [W]=WARN [ 462.391089][T18043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [462.391523][T18043] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 462.391878][T18043] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 462.393086][T18043] RSP: 0018:ffffc90005477080 EFLAGS: 00010246 [ 462.393509][T18043] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 462.394018][T18043] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 462.394565][T18043] RBP: ffffc90005477168 R08: 0000000000000000 R09: 0000000000000000 [ 462.395074][T18043] R10: ffffc90005477198 R11: ffffffff924a8918 R12: 1ffff92000a8ee14 [ 462.395570][T18043] R13: 00000000000005dc R14: ffffc90005477198 R15: ffff888012042f08 [ 462.396061][T18043] FS: 00007fa1e1289800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 462.396643][T18043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 462.397062][T18043] CR2: 00000000004a1738 CR3: 0000000013997004 CR4: 0000000000772ef0 [ 462.397570][T18043] PKRU: 55555554 [ 462.397813][T18043] Call Trace: [ 462.398058][T18043] [462.398230][T18043] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [462.398575][T18043] ? mark_held_locks (kernel/locking/lockdep.c:4328) [462.398906][T18043] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [462.399310][T18043] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [462.399655][T18043] netif_set_mtu (net/core/dev.c:9652) [462.399981][T18043] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [462.400319][T18043] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [462.400787][T18043] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [462.401037][T18043] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [462.401487][T18043] br_add_if (net/bridge/br_if.c:697) bridge [462.401857][T18043] do_set_master (net/core/rtnetlink.c:2948) [462.402188][T18043] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [462.402524][T18043] rtnl_newlink_create (net/core/rtnetlink.c:3840) [462.402853][T18043] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [462.403172][T18043] ? __dev_get_by_name (net/core/dev.c:865) [462.403507][T18043] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [462.403827][T18043] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [462.404158][T18043] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [462.404511][T18043] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [462.404872][T18043] __rtnl_newlink (net/core/rtnetlink.c:3942) [462.405206][T18043] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [462.405566][T18043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [462.405903][T18043] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [462.406238][T18043] ? __lock_release (kernel/locking/lockdep.c:5539) [462.406592][T18043] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [462.406913][T18043] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [462.407258][T18043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [462.407593][T18043] ? __lock_acquire (kernel/locking/lockdep.c:5240) [462.407937][T18043] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [462.408265][T18043] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [462.408612][T18043] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [462.408959][T18043] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [462.409311][T18043] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [462.409678][T18043] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [462.410009][T18043] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [462.410329][T18043] ? __lock_acquire (kernel/locking/lockdep.c:5240) [462.410667][T18043] netlink_sendmsg (net/netlink/af_netlink.c:1896) [462.411014][T18043] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [462.411347][T18043] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [462.411724][T18043] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [462.412086][T18043] ? __pfx_____sys_sendmsg (net/socket.c:2560) [462.412425][T18043] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [462.412832][T18043] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [462.413174][T18043] ___sys_sendmsg (net/socket.c:2670) [462.413510][T18043] ? __pfx____sys_sendmsg (net/socket.c:2657) [462.413837][T18043] ? __pfx_handle_pte_fault (mm/memory.c:6026) [462.414180][T18043] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [462.414528][T18043] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [462.414880][T18043] ? __handle_mm_fault (mm/memory.c:6212) [462.415260][T18043] ? __pfx___handle_mm_fault (mm/memory.c:6121) [462.415616][T18043] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [462.415974][T18043] __sys_sendmsg (net/socket.c:2700) [462.416324][T18043] ? __pfx___sys_sendmsg (net/socket.c:2685) [462.416682][T18043] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [462.417050][T18043] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [462.417408][T18043] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [462.417757][T18043] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [462.418084][T18043] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 462.418490][T18043] RIP: 0033:0x7fa1e14561e7 [ 462.418839][T18043] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 462.420079][T18043] RSP: 002b:00007fff452773b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 462.420599][T18043] RAX: ffffffffffffffda RBX: 00007fff45277ae0 RCX: 00007fa1e14561e7 [ 462.421095][T18043] RDX: 0000000000000000 RSI: 00007fff45277420 RDI: 0000000000000005 [ 462.421628][T18043] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 462.422110][T18043] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff45277b18 [ 462.422616][T18043] R13: 00000000686e0cc4 R14: 0000000000499600 R15: 0000000000000000 | [ 462.642866][T18044] ------------[ cut here ]------------ | [462.643200][T18044] WARNING: CPU: 0 PID: 18044 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 462.643923][T18044] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 462.645131][T18044] Tainted: [W]=WARN [ 462.645376][T18044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [462.645785][T18044] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 462.646130][T18044] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 462.647300][T18044] RSP: 0018:ffffc90005ca7080 EFLAGS: 00010246 [ 462.647739][T18044] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 462.648227][T18044] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 462.648728][T18044] RBP: ffffc90005ca7168 R08: 0000000000000000 R09: 0000000000000000 [ 462.649245][T18044] R10: ffffc90005ca7198 R11: ffffffff924a8918 R12: 1ffff92000b94e14 [ 462.649764][T18044] R13: 00000000000005dc R14: ffffc90005ca7198 R15: ffff888012042f08 [ 462.650317][T18044] FS: 00007f8023722800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 462.650992][T18044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 462.651658][T18044] CR2: 00000000004a1738 CR3: 0000000013997006 CR4: 0000000000772ef0 [ 462.652151][T18044] PKRU: 55555554 [ 462.652413][T18044] Call Trace: [ 462.652654][T18044] [462.652819][T18044] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [462.653149][T18044] ? mark_held_locks (kernel/locking/lockdep.c:4328) [462.653478][T18044] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [462.654139][T18044] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [462.654578][T18044] netif_set_mtu (net/core/dev.c:9652) [462.654928][T18044] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [462.655258][T18044] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [462.655743][T18044] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [462.655988][T18044] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [462.656433][T18044] br_add_if (net/bridge/br_if.c:697) bridge [462.656829][T18044] do_set_master (net/core/rtnetlink.c:2948) [462.657152][T18044] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [462.657492][T18044] rtnl_newlink_create (net/core/rtnetlink.c:3840) [462.658033][T18044] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [462.658454][T18044] ? __dev_get_by_name (net/core/dev.c:865) [462.658829][T18044] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [462.659170][T18044] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [462.659555][T18044] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [462.659880][T18044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [462.660204][T18044] __rtnl_newlink (net/core/rtnetlink.c:3942) [462.660624][T18044] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [462.660955][T18044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [462.661350][T18044] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [462.661721][T18044] ? __lock_release (kernel/locking/lockdep.c:5539) [462.662051][T18044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [462.662384][T18044] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [462.662723][T18044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [462.663052][T18044] ? __lock_acquire (kernel/locking/lockdep.c:5240) [462.663429][T18044] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [462.663751][T18044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [462.664072][T18044] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [462.664411][T18044] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [462.664750][T18044] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [462.665085][T18044] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [462.665429][T18044] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [462.665782][T18044] ? __lock_acquire (kernel/locking/lockdep.c:5240) [462.666265][T18044] netlink_sendmsg (net/netlink/af_netlink.c:1896) [462.666687][T18044] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [462.667010][T18044] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [462.667422][T18044] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [462.667757][T18044] ? __pfx_____sys_sendmsg (net/socket.c:2560) [462.668086][T18044] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [462.668519][T18044] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [462.668917][T18044] ___sys_sendmsg (net/socket.c:2670) [462.669316][T18044] ? __pfx____sys_sendmsg (net/socket.c:2657) [462.669708][T18044] ? __pfx_handle_pte_fault (mm/memory.c:6026) [462.670046][T18044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [462.670405][T18044] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [462.670747][T18044] ? __handle_mm_fault (mm/memory.c:6212) [462.671078][T18044] ? __pfx___handle_mm_fault (mm/memory.c:6121) [462.671468][T18044] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [462.671824][T18044] __sys_sendmsg (net/socket.c:2700) [462.672156][T18044] ? __pfx___sys_sendmsg (net/socket.c:2685) [462.672581][T18044] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [462.672948][T18044] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [462.673302][T18044] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [462.673656][T18044] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [462.674000][T18044] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 462.674438][T18044] RIP: 0033:0x7f80238ef1e7 [ 462.674793][T18044] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 462.675990][T18044] RSP: 002b:00007ffdc9680f88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 462.676499][T18044] RAX: ffffffffffffffda RBX: 00007ffdc96816b0 RCX: 00007f80238ef1e7 [ 462.676983][T18044] RDX: 0000000000000000 RSI: 00007ffdc9680ff0 RDI: 0000000000000005 [ 462.677480][T18044] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 462.677965][T18044] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc96816e8 [ 462.678478][T18044] R13: 00000000686e0cc4 R14: 0000000000499600 R15: 0000000000000000 | [ 462.850783][T18047] ------------[ cut here ]------------ | [462.851139][T18047] WARNING: CPU: 3 PID: 18047 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 462.852802][T18047] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 462.854088][T18047] Tainted: [W]=WARN [ 462.854359][T18047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [462.854825][T18047] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 462.855194][T18047] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 462.856433][T18047] RSP: 0018:ffffc90008d57080 EFLAGS: 00010246 [ 462.856871][T18047] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 462.857384][T18047] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 462.857923][T18047] RBP: ffffc90008d57168 R08: 0000000000000000 R09: 0000000000000000 [ 462.858455][T18047] R10: ffffc90008d57198 R11: ffffffff924a8918 R12: 1ffff920011aae14 [ 462.858967][T18047] R13: 00000000000005dc R14: ffffc90008d57198 R15: ffff888012042f08 [ 462.859508][T18047] FS: 00007fd3d785f800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 462.860142][T18047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 462.860598][T18047] CR2: 00000000004a1738 CR3: 000000000c212001 CR4: 0000000000772ef0 [ 462.861149][T18047] PKRU: 55555554 [ 462.861438][T18047] Call Trace: [ 462.861701][T18047] [462.861884][T18047] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [462.862251][T18047] ? mark_held_locks (kernel/locking/lockdep.c:4328) [462.862588][T18047] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [462.863037][T18047] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [462.863376][T18047] netif_set_mtu (net/core/dev.c:9652) [462.863735][T18047] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [462.864086][T18047] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [462.864567][T18047] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [462.864836][T18047] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [462.865284][T18047] br_add_if (net/bridge/br_if.c:697) bridge [462.865661][T18047] do_set_master (net/core/rtnetlink.c:2948) [462.866002][T18047] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [462.866337][T18047] rtnl_newlink_create (net/core/rtnetlink.c:3840) [462.866690][T18047] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [462.867026][T18047] ? __dev_get_by_name (net/core/dev.c:865) [462.867383][T18047] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [462.867776][T18047] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [462.868141][T18047] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [462.868544][T18047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [462.868910][T18047] __rtnl_newlink (net/core/rtnetlink.c:3942) [462.869273][T18047] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [462.869644][T18047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [462.870006][T18047] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [462.870365][T18047] ? __lock_release (kernel/locking/lockdep.c:5539) [462.870730][T18047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [462.871084][T18047] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [462.871448][T18047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [462.871794][T18047] ? __lock_acquire (kernel/locking/lockdep.c:5240) [462.872144][T18047] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [462.872515][T18047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [462.872875][T18047] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [462.873244][T18047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [462.873624][T18047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [462.873979][T18047] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [462.874336][T18047] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [462.874717][T18047] ? __lock_acquire (kernel/locking/lockdep.c:5240) [462.875093][T18047] netlink_sendmsg (net/netlink/af_netlink.c:1896) [462.875461][T18047] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [462.875816][T18047] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [462.876179][T18047] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [462.876566][T18047] ? __pfx_____sys_sendmsg (net/socket.c:2560) [462.876915][T18047] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [462.877362][T18047] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [462.877735][T18047] ___sys_sendmsg (net/socket.c:2670) [462.878087][T18047] ? __pfx____sys_sendmsg (net/socket.c:2657) [462.878451][T18047] ? __pfx_handle_pte_fault (mm/memory.c:6026) [462.878798][T18047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [462.879173][T18047] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [462.879527][T18047] ? __handle_mm_fault (mm/memory.c:6212) [462.879868][T18047] ? __pfx___handle_mm_fault (mm/memory.c:6121) [462.880190][T18047] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [462.880535][T18047] __sys_sendmsg (net/socket.c:2700) [462.880860][T18047] ? __pfx___sys_sendmsg (net/socket.c:2685) [462.881179][T18047] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [462.881516][T18047] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [462.881850][T18047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [462.882211][T18047] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [462.882575][T18047] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 462.882994][T18047] RIP: 0033:0x7fd3d7a2c1e7 [ 462.883346][T18047] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 462.884613][T18047] RSP: 002b:00007ffd9deed488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 462.885165][T18047] RAX: ffffffffffffffda RBX: 00007ffd9deedbb0 RCX: 00007fd3d7a2c1e7 [ 462.885701][T18047] RDX: 0000000000000000 RSI: 00007ffd9deed4f0 RDI: 0000000000000005 [ 462.886215][T18047] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 462.886775][T18047] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd9deedbe8 [ 462.887306][T18047] R13: 00000000686e0cc4 R14: 0000000000499600 R15: 0000000000000000 | [ 463.069217][T18048] ------------[ cut here ]------------ | [463.069700][T18048] WARNING: CPU: 0 PID: 18048 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 463.070377][T18048] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 463.071604][T18048] Tainted: [W]=WARN [ 463.071855][T18048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [463.072262][T18048] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 463.072620][T18048] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 463.073817][T18048] RSP: 0018:ffffc90005c07080 EFLAGS: 00010246 [ 463.074239][T18048] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 463.074765][T18048] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 463.075251][T18048] RBP: ffffc90005c07168 R08: 0000000000000000 R09: 0000000000000000 [ 463.075758][T18048] R10: ffffc90005c07198 R11: ffffffff924a8918 R12: 1ffff92000b80e14 [ 463.076247][T18048] R13: 00000000000005dc R14: ffffc90005c07198 R15: ffff888012042f08 [ 463.076757][T18048] FS: 00007fa1cecdc800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 463.077332][T18048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 463.077801][T18048] CR2: 00007fa1ceef05c0 CR3: 000000000c212002 CR4: 0000000000772ef0 [ 463.078323][T18048] PKRU: 55555554 [ 463.078599][T18048] Call Trace: [ 463.078874][T18048] [463.079051][T18048] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [463.079417][T18048] ? mark_held_locks (kernel/locking/lockdep.c:4328) [463.079755][T18048] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [463.080212][T18048] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [463.080549][T18048] netif_set_mtu (net/core/dev.c:9652) [463.080874][T18048] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [463.081228][T18048] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [463.081742][T18048] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [463.082009][T18048] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [463.082464][T18048] br_add_if (net/bridge/br_if.c:697) bridge [463.082867][T18048] do_set_master (net/core/rtnetlink.c:2948) [463.083446][T18048] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [463.083981][T18048] rtnl_newlink_create (net/core/rtnetlink.c:3840) [463.084528][T18048] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [463.085017][T18048] ? __dev_get_by_name (net/core/dev.c:865) [463.085575][T18048] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [463.086113][T18048] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [463.086718][T18048] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [463.087285][T18048] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [463.087889][T18048] __rtnl_newlink (net/core/rtnetlink.c:3942) [463.088510][T18048] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [463.089085][T18048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [463.089700][T18048] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [463.090276][T18048] ? __lock_release (kernel/locking/lockdep.c:5539) [463.090886][T18048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [463.091478][T18048] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [463.092071][T18048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [463.092662][T18048] ? __lock_acquire (kernel/locking/lockdep.c:5240) [463.093254][T18048] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [463.093809][T18048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [463.094413][T18048] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [463.095065][T18048] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [463.095644][T18048] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [463.096238][T18048] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [463.096848][T18048] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [463.097458][T18048] ? __lock_acquire (kernel/locking/lockdep.c:5240) [463.098066][T18048] netlink_sendmsg (net/netlink/af_netlink.c:1896) [463.098670][T18048] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [463.099254][T18048] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [463.099871][T18048] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [463.100494][T18048] ? __pfx_____sys_sendmsg (net/socket.c:2560) [463.101079][T18048] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [463.101836][T18048] ___sys_sendmsg (net/socket.c:2670) [463.102441][T18048] ? __pfx____sys_sendmsg (net/socket.c:2657) [463.103034][T18048] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [463.103672][T18048] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [463.104267][T18048] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [463.104919][T18048] ? __lock_acquire (kernel/locking/lockdep.c:5240) [463.105553][T18048] ? find_held_lock (kernel/locking/lockdep.c:5353) [463.106157][T18048] __sys_sendmsg (net/socket.c:2700) [463.106783][T18048] ? __pfx___sys_sendmsg (net/socket.c:2685) [463.107423][T18048] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [463.108021][T18048] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [463.108646][T18048] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 463.109364][T18048] RIP: 0033:0x7fa1ceea91e7 [ 463.110011][T18048] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 463.112149][T18048] RSP: 002b:00007ffd3873a658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 463.113073][T18048] RAX: ffffffffffffffda RBX: 00007ffd3873ad80 RCX: 00007fa1ceea91e7 [ 463.113979][T18048] RDX: 0000000000000000 RSI: 00007ffd3873a6c0 RDI: 0000000000000005 [ 463.114822][T18048] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 463.115725][T18048] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd3873adb8 [ 463.116647][T18048] R13: 00000000686e0cc4 R14: 0000000000499600 R15: 0000000000000000 | [ 463.308557][T18050] ------------[ cut here ]------------ | [463.308876][T18050] WARNING: CPU: 3 PID: 18050 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 463.309580][T18050] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 463.310795][T18050] Tainted: [W]=WARN [ 463.311048][T18050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [463.311446][T18050] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 463.311805][T18050] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 463.313024][T18050] RSP: 0018:ffffc90008687080 EFLAGS: 00010246 [ 463.313451][T18050] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 463.313951][T18050] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 463.314463][T18050] RBP: ffffc90008687168 R08: 0000000000000000 R09: 0000000000000000 [ 463.314978][T18050] R10: ffffc90008687198 R11: ffffffff924a8918 R12: 1ffff920010d0e14 [ 463.315489][T18050] R13: 00000000000005dc R14: ffffc90008687198 R15: ffff888012042f08 [ 463.315982][T18050] FS: 00007f1d24e24800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 463.316561][T18050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 463.316979][T18050] CR2: 00000000004a1738 CR3: 0000000005724002 CR4: 0000000000772ef0 [ 463.317487][T18050] PKRU: 55555554 [ 463.317732][T18050] Call Trace: [ 463.317984][T18050] [463.318170][T18050] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [463.318516][T18050] ? mark_held_locks (kernel/locking/lockdep.c:4328) [463.318850][T18050] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [463.319260][T18050] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [463.319599][T18050] netif_set_mtu (net/core/dev.c:9652) [463.319933][T18050] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [463.320274][T18050] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [463.320749][T18050] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [463.321001][T18050] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [463.321466][T18050] br_add_if (net/bridge/br_if.c:697) bridge [463.321847][T18050] do_set_master (net/core/rtnetlink.c:2948) [463.322185][T18050] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [463.322529][T18050] rtnl_newlink_create (net/core/rtnetlink.c:3840) [463.322872][T18050] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [463.323200][T18050] ? __dev_get_by_name (net/core/dev.c:865) [463.323555][T18050] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [463.323887][T18050] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [463.324225][T18050] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [463.324573][T18050] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [463.324941][T18050] __rtnl_newlink (net/core/rtnetlink.c:3942) [463.325281][T18050] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [463.325633][T18050] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [463.325963][T18050] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [463.326275][T18050] ? __lock_release (kernel/locking/lockdep.c:5539) [463.326611][T18050] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [463.326924][T18050] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [463.327240][T18050] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [463.327565][T18050] ? __lock_acquire (kernel/locking/lockdep.c:5240) [463.327895][T18050] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [463.328222][T18050] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [463.328566][T18050] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [463.328919][T18050] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [463.329247][T18050] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [463.329589][T18050] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [463.329925][T18050] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [463.330255][T18050] ? __lock_acquire (kernel/locking/lockdep.c:5240) [463.330599][T18050] netlink_sendmsg (net/netlink/af_netlink.c:1896) [463.330941][T18050] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [463.331275][T18050] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [463.331620][T18050] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [463.331957][T18050] ? __pfx_____sys_sendmsg (net/socket.c:2560) [463.332288][T18050] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [463.332716][T18050] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [463.333056][T18050] ___sys_sendmsg (net/socket.c:2670) [463.333395][T18050] ? __pfx____sys_sendmsg (net/socket.c:2657) [463.333729][T18050] ? __pfx_handle_pte_fault (mm/memory.c:6026) [463.334066][T18050] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [463.334416][T18050] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [463.334775][T18050] ? __handle_mm_fault (mm/memory.c:6212) [463.335117][T18050] ? __pfx___handle_mm_fault (mm/memory.c:6121) [463.335470][T18050] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [463.335823][T18050] __sys_sendmsg (net/socket.c:2700) [463.336156][T18050] ? __pfx___sys_sendmsg (net/socket.c:2685) [463.336495][T18050] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [463.336834][T18050] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [463.337175][T18050] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [463.337515][T18050] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [463.337849][T18050] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 463.338260][T18050] RIP: 0033:0x7f1d24ff11e7 [ 463.338605][T18050] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 463.339794][T18050] RSP: 002b:00007fff47f94c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 463.340294][T18050] RAX: ffffffffffffffda RBX: 00007fff47f95350 RCX: 00007f1d24ff11e7 [ 463.340806][T18050] RDX: 0000000000000000 RSI: 00007fff47f94c90 RDI: 0000000000000005 [ 463.341302][T18050] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 463.341806][T18050] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff47f95388 [ 463.342301][T18050] R13: 00000000686e0cc4 R14: 0000000000499600 R15: 0000000000000000 | [ 463.505310][T18052] ------------[ cut here ]------------ | [463.505914][T18052] WARNING: CPU: 3 PID: 18052 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 463.506995][T18052] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 463.508728][T18052] Tainted: [W]=WARN [ 463.509076][T18052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [463.509760][T18052] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 463.510310][T18052] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 463.512264][T18052] RSP: 0000:ffffc90008677080 EFLAGS: 00010246 [ 463.512959][T18052] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 463.513816][T18052] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 463.514696][T18052] RBP: ffffc90008677168 R08: 0000000000000000 R09: 0000000000000000 [ 463.515491][T18052] R10: ffffc90008677198 R11: ffffffff924a8918 R12: 1ffff920010cee14 [ 463.516354][T18052] R13: 00000000000005dc R14: ffffc90008677198 R15: ffff888012042f08 [ 463.517237][T18052] FS: 00007f6e340c0800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 463.518271][T18052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 463.518974][T18052] CR2: 00007f6e34492050 CR3: 0000000005724005 CR4: 0000000000772ef0 [ 463.519871][T18052] PKRU: 55555554 [ 463.520306][T18052] Call Trace: [ 463.520763][T18052] [463.521068][T18052] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [463.521673][T18052] ? mark_held_locks (kernel/locking/lockdep.c:4328) [463.522270][T18052] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [463.522971][T18052] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [463.523539][T18052] netif_set_mtu (net/core/dev.c:9652) [463.524116][T18052] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [463.524736][T18052] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [463.525533][T18052] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [463.525973][T18052] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [463.526776][T18052] br_add_if (net/bridge/br_if.c:697) bridge [463.527466][T18052] do_set_master (net/core/rtnetlink.c:2948) [463.528040][T18052] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [463.528639][T18052] rtnl_newlink_create (net/core/rtnetlink.c:3840) [463.529209][T18052] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [463.529808][T18052] ? __dev_get_by_name (net/core/dev.c:865) [463.530372][T18052] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [463.530963][T18052] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [463.531544][T18052] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [463.532116][T18052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [463.532725][T18052] __rtnl_newlink (net/core/rtnetlink.c:3942) [463.533320][T18052] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [463.533924][T18052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [463.534545][T18052] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [463.535132][T18052] ? __lock_release (kernel/locking/lockdep.c:5539) [463.535724][T18052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [463.536289][T18052] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [463.536874][T18052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [463.537462][T18052] ? __lock_acquire (kernel/locking/lockdep.c:5240) [463.538063][T18052] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [463.538667][T18052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [463.539260][T18052] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [463.539881][T18052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [463.540456][T18052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [463.541043][T18052] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [463.541645][T18052] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [463.542160][T18052] ? __lock_acquire (kernel/locking/lockdep.c:5240) [463.542528][T18052] netlink_sendmsg (net/netlink/af_netlink.c:1896) [463.542868][T18052] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [463.543196][T18052] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [463.543544][T18052] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [463.543862][T18052] ? __pfx_____sys_sendmsg (net/socket.c:2560) [463.544191][T18052] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [463.544642][T18052] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [463.544983][T18052] ___sys_sendmsg (net/socket.c:2670) [463.545320][T18052] ? __pfx____sys_sendmsg (net/socket.c:2657) [463.545673][T18052] ? __pfx_handle_pte_fault (mm/memory.c:6026) [463.546006][T18052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [463.546336][T18052] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [463.546691][T18052] ? __handle_mm_fault (mm/memory.c:6212) [463.547027][T18052] ? __pfx___handle_mm_fault (mm/memory.c:6121) [463.547356][T18052] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [463.547723][T18052] __sys_sendmsg (net/socket.c:2700) [463.548058][T18052] ? __pfx___sys_sendmsg (net/socket.c:2685) [463.548398][T18052] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [463.548760][T18052] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [463.549092][T18052] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [463.549686][T18052] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [463.550018][T18052] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 463.550438][T18052] RIP: 0033:0x7f6e3428d1e7 [ 463.551028][T18052] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 463.552899][T18052] RSP: 002b:00007ffcbb8b20f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 463.553709][T18052] RAX: ffffffffffffffda RBX: 00007ffcbb8b2820 RCX: 00007f6e3428d1e7 [ 463.554183][T18052] RDX: 0000000000000000 RSI: 00007ffcbb8b2160 RDI: 0000000000000005 [ 463.554934][T18052] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 463.555690][T18052] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcbb8b2858 [ 463.556195][T18052] R13: 00000000686e0cc5 R14: 0000000000499600 R15: 0000000000000000 | [ 463.728360][T18055] ------------[ cut here ]------------ | [463.729015][T18055] WARNING: CPU: 3 PID: 18055 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 463.730131][T18055] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 463.732148][T18055] Tainted: [W]=WARN [ 463.732594][T18055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [463.733257][T18055] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 463.733824][T18055] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 463.735765][T18055] RSP: 0018:ffffc90008d57080 EFLAGS: 00010246 [ 463.736494][T18055] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 463.737322][T18055] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 463.738175][T18055] RBP: ffffc90008d57168 R08: 0000000000000000 R09: 0000000000000000 [ 463.739018][T18055] R10: ffffc90008d57198 R11: ffffffff924a8918 R12: 1ffff920011aae14 [ 463.739853][T18055] R13: 00000000000005dc R14: ffffc90008d57198 R15: ffff888012042f08 [ 463.740712][T18055] FS: 00007f1972fb6800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 463.741698][T18055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 463.742440][T18055] CR2: 00000000004a1738 CR3: 0000000012894005 CR4: 0000000000772ef0 [ 463.743277][T18055] PKRU: 55555554 [ 463.743711][T18055] Call Trace: [ 463.744123][T18055] [463.744435][T18055] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [463.745030][T18055] ? mark_held_locks (kernel/locking/lockdep.c:4328) [463.745612][T18055] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [463.746364][T18055] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [463.746975][T18055] netif_set_mtu (net/core/dev.c:9652) [463.747544][T18055] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [463.748144][T18055] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [463.748926][T18055] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [463.749351][T18055] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [463.750137][T18055] br_add_if (net/bridge/br_if.c:697) bridge [463.750807][T18055] do_set_master (net/core/rtnetlink.c:2948) [463.751365][T18055] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [463.751950][T18055] rtnl_newlink_create (net/core/rtnetlink.c:3840) [463.752538][T18055] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [463.753098][T18055] ? __dev_get_by_name (net/core/dev.c:865) [463.753660][T18055] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [463.754220][T18055] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [463.754804][T18055] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [463.755358][T18055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [463.755947][T18055] __rtnl_newlink (net/core/rtnetlink.c:3942) [463.756552][T18055] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [463.757149][T18055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [463.757758][T18055] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [463.758305][T18055] ? __lock_release (kernel/locking/lockdep.c:5539) [463.758877][T18055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [463.759452][T18055] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [463.760006][T18055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [463.760571][T18055] ? __lock_acquire (kernel/locking/lockdep.c:5240) [463.761139][T18055] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [463.761721][T18055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [463.762293][T18055] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [463.762883][T18055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [463.763437][T18055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [463.764025][T18055] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [463.764619][T18055] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [463.765181][T18055] ? __lock_acquire (kernel/locking/lockdep.c:5240) [463.765777][T18055] netlink_sendmsg (net/netlink/af_netlink.c:1896) [463.766347][T18055] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [463.766935][T18055] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [463.767511][T18055] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [463.768083][T18055] ? __pfx_____sys_sendmsg (net/socket.c:2560) [463.768663][T18055] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [463.769377][T18055] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [463.769962][T18055] ___sys_sendmsg (net/socket.c:2670) [463.770546][T18055] ? __pfx____sys_sendmsg (net/socket.c:2657) [463.771108][T18055] ? __pfx_handle_pte_fault (mm/memory.c:6026) [463.771690][T18055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [463.772270][T18055] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [463.772844][T18055] ? __handle_mm_fault (mm/memory.c:6212) [463.773409][T18055] ? __pfx___handle_mm_fault (mm/memory.c:6121) [463.773968][T18055] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [463.774572][T18055] __sys_sendmsg (net/socket.c:2700) [463.775128][T18055] ? __pfx___sys_sendmsg (net/socket.c:2685) [463.775675][T18055] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [463.776246][T18055] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [463.776839][T18055] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [463.777415][T18055] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [463.777980][T18055] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 463.778697][T18055] RIP: 0033:0x7f19731831e7 [ 463.779259][T18055] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 463.781257][T18055] RSP: 002b:00007ffe2dd155c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 463.782111][T18055] RAX: ffffffffffffffda RBX: 00007ffe2dd15cf0 RCX: 00007f19731831e7 [ 463.782975][T18055] RDX: 0000000000000000 RSI: 00007ffe2dd15630 RDI: 0000000000000005 [ 463.783838][T18055] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 463.784709][T18055] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe2dd15d28 [ 463.785591][T18055] R13: 00000000686e0cc5 R14: 0000000000499600 R15: 0000000000000000 | [ 463.959546][T18057] ------------[ cut here ]------------ | [463.960118][T18057] WARNING: CPU: 3 PID: 18057 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 463.961046][T18057] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 463.962528][T18057] Tainted: [W]=WARN [ 463.962771][T18057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [463.963172][T18057] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 463.963524][T18057] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 463.964693][T18057] RSP: 0018:ffffc90008677080 EFLAGS: 00010246 [ 463.965102][T18057] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 463.965600][T18057] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 463.966070][T18057] RBP: ffffc90008677168 R08: 0000000000000000 R09: 0000000000000000 [ 463.966560][T18057] R10: ffffc90008677198 R11: ffffffff924a8918 R12: 1ffff920010cee14 [ 463.967045][T18057] R13: 00000000000005dc R14: ffffc90008677198 R15: ffff888012042f08 [ 463.967541][T18057] FS: 00007f5d6a4f8800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 463.968092][T18057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 463.968516][T18057] CR2: 00000000004a1738 CR3: 0000000011fbd002 CR4: 0000000000772ef0 [ 463.968993][T18057] PKRU: 55555554 [ 463.969230][T18057] Call Trace: [ 463.969489][T18057] [463.969693][T18057] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [463.970036][T18057] ? mark_held_locks (kernel/locking/lockdep.c:4328) [463.970439][T18057] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [463.970854][T18057] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [463.971190][T18057] netif_set_mtu (net/core/dev.c:9652) [463.971558][T18057] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [463.971893][T18057] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [463.972355][T18057] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [463.972616][T18057] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [463.973059][T18057] br_add_if (net/bridge/br_if.c:697) bridge [463.973452][T18057] do_set_master (net/core/rtnetlink.c:2948) [463.973770][T18057] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [463.974088][T18057] rtnl_newlink_create (net/core/rtnetlink.c:3840) [463.974433][T18057] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [463.974768][T18057] ? __dev_get_by_name (net/core/dev.c:865) [463.975085][T18057] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [463.975422][T18057] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [463.975756][T18057] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [463.976073][T18057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [463.976412][T18057] __rtnl_newlink (net/core/rtnetlink.c:3942) [463.976738][T18057] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [463.977086][T18057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [463.977428][T18057] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [463.977760][T18057] ? __lock_release (kernel/locking/lockdep.c:5539) [463.978085][T18057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [463.978434][T18057] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [463.978771][T18057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [463.979087][T18057] ? __lock_acquire (kernel/locking/lockdep.c:5240) [463.979429][T18057] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [463.979749][T18057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [463.980068][T18057] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [463.980413][T18057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [463.980736][T18057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [463.981052][T18057] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [463.981386][T18057] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [463.981715][T18057] ? __lock_acquire (kernel/locking/lockdep.c:5240) [463.982037][T18057] netlink_sendmsg (net/netlink/af_netlink.c:1896) [463.982365][T18057] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [463.982696][T18057] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [463.983020][T18057] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [463.983353][T18057] ? __pfx_____sys_sendmsg (net/socket.c:2560) [463.983675][T18057] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [463.984073][T18057] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [463.984407][T18057] ___sys_sendmsg (net/socket.c:2670) [463.984738][T18057] ? __pfx____sys_sendmsg (net/socket.c:2657) [463.985052][T18057] ? __pfx_handle_pte_fault (mm/memory.c:6026) [463.985386][T18057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [463.985709][T18057] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [463.986028][T18057] ? __handle_mm_fault (mm/memory.c:6212) [463.986373][T18057] ? __pfx___handle_mm_fault (mm/memory.c:6121) [463.986694][T18057] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [463.987028][T18057] __sys_sendmsg (net/socket.c:2700) [463.987362][T18057] ? __pfx___sys_sendmsg (net/socket.c:2685) [463.987685][T18057] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [463.988007][T18057] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [463.988333][T18057] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [463.988673][T18057] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [463.988989][T18057] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 463.989396][T18057] RIP: 0033:0x7f5d6a6c51e7 [ 463.989728][T18057] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 463.990854][T18057] RSP: 002b:00007ffc294ac1e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 463.991342][T18057] RAX: ffffffffffffffda RBX: 00007ffc294ac910 RCX: 00007f5d6a6c51e7 [ 463.991839][T18057] RDX: 0000000000000000 RSI: 00007ffc294ac250 RDI: 0000000000000005 [ 463.992322][T18057] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 463.992804][T18057] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc294ac948 [ 463.993282][T18057] R13: 00000000686e0cc5 R14: 0000000000499600 R15: 0000000000000000 | [ 464.182677][T18058] ------------[ cut here ]------------ | [464.183208][T18058] WARNING: CPU: 3 PID: 18058 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 464.184268][T18058] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 464.187416][T18058] Tainted: [W]=WARN [ 464.187851][T18058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [464.188552][T18058] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 464.189146][T18058] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 464.191152][T18058] RSP: 0018:ffffc90008d57080 EFLAGS: 00010246 [ 464.191899][T18058] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 464.192764][T18058] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 464.193622][T18058] RBP: ffffc90008d57168 R08: 0000000000000000 R09: 0000000000000000 [ 464.194474][T18058] R10: ffffc90008d57198 R11: ffffffff924a8918 R12: 1ffff920011aae14 [ 464.195343][T18058] R13: 00000000000005dc R14: ffffc90008d57198 R15: ffff888012042f08 [ 464.196196][T18058] FS: 00007feb264ac800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 464.197218][T18058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 464.197961][T18058] CR2: 00000000004a1738 CR3: 000000000f433006 CR4: 0000000000772ef0 [ 464.198829][T18058] PKRU: 55555554 [ 464.199261][T18058] Call Trace: [ 464.199698][T18058] [464.199997][T18058] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [464.200594][T18058] ? mark_held_locks (kernel/locking/lockdep.c:4328) [464.201150][T18058] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [464.201859][T18058] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [464.202232][T18058] netif_set_mtu (net/core/dev.c:9652) [464.202582][T18058] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [464.202934][T18058] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [464.203379][T18058] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [464.203645][T18058] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [464.204079][T18058] br_add_if (net/bridge/br_if.c:697) bridge [464.204473][T18058] do_set_master (net/core/rtnetlink.c:2948) [464.205002][T18058] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [464.205337][T18058] rtnl_newlink_create (net/core/rtnetlink.c:3840) [464.205675][T18058] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [464.205998][T18058] ? __dev_get_by_name (net/core/dev.c:865) [464.206314][T18058] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [464.206715][T18058] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [464.207047][T18058] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [464.207361][T18058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [464.207818][T18058] __rtnl_newlink (net/core/rtnetlink.c:3942) [464.208420][T18058] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [464.208994][T18058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [464.209597][T18058] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [464.210158][T18058] ? __lock_release (kernel/locking/lockdep.c:5539) [464.210727][T18058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [464.211291][T18058] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [464.211861][T18058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [464.212435][T18058] ? __lock_acquire (kernel/locking/lockdep.c:5240) [464.213036][T18058] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [464.213614][T18058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [464.214050][T18058] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [464.214650][T18058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [464.215201][T18058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [464.215781][T18058] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [464.216299][T18058] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [464.216813][T18058] ? __lock_acquire (kernel/locking/lockdep.c:5240) [464.217324][T18058] netlink_sendmsg (net/netlink/af_netlink.c:1896) [464.217853][T18058] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [464.218479][T18058] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [464.219010][T18058] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [464.219520][T18058] ? __pfx_____sys_sendmsg (net/socket.c:2560) [464.220016][T18058] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [464.220652][T18058] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [464.221163][T18058] ___sys_sendmsg (net/socket.c:2670) [464.221679][T18058] ? __pfx____sys_sendmsg (net/socket.c:2657) [464.222173][T18058] ? __pfx_handle_pte_fault (mm/memory.c:6026) [464.222682][T18058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [464.223177][T18058] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [464.223690][T18058] ? __handle_mm_fault (mm/memory.c:6212) [464.224188][T18058] ? __pfx___handle_mm_fault (mm/memory.c:6121) [464.224705][T18058] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [464.225234][T18058] __sys_sendmsg (net/socket.c:2700) [464.225744][T18058] ? __pfx___sys_sendmsg (net/socket.c:2685) [464.226237][T18058] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [464.226757][T18058] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [464.227255][T18058] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [464.227772][T18058] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [464.228272][T18058] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 464.228899][T18058] RIP: 0033:0x7feb266791e7 [ 464.229425][T18058] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 464.231207][T18058] RSP: 002b:00007ffef6218a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 464.231965][T18058] RAX: ffffffffffffffda RBX: 00007ffef6219160 RCX: 00007feb266791e7 [ 464.232715][T18058] RDX: 0000000000000000 RSI: 00007ffef6218aa0 RDI: 0000000000000005 [ 464.233463][T18058] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 464.234214][T18058] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef6219198 [ 464.234974][T18058] R13: 00000000686e0cc5 R14: 0000000000499600 R15: 0000000000000000 | [ 464.465189][T18060] ------------[ cut here ]------------ | [464.465616][T18060] WARNING: CPU: 2 PID: 18060 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 464.466461][T18060] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 464.467667][T18060] Tainted: [W]=WARN [ 464.467933][T18060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [464.468386][T18060] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 464.468755][T18060] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 464.469966][T18060] RSP: 0018:ffffc90008677080 EFLAGS: 00010246 [ 464.470405][T18060] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 464.470901][T18060] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 464.471519][T18060] RBP: ffffc90008677168 R08: 0000000000000000 R09: 0000000000000000 [ 464.472022][T18060] R10: ffffc90008677198 R11: ffffffff924a8918 R12: 1ffff920010cee14 [ 464.472514][T18060] R13: 00000000000005dc R14: ffffc90008677198 R15: ffff888012042f08 [ 464.473012][T18060] FS: 00007f0ee7b7f800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 464.473590][T18060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 464.474015][T18060] CR2: 00000000004a1738 CR3: 0000000005d81006 CR4: 0000000000772ef0 [ 464.474527][T18060] PKRU: 55555554 [ 464.474792][T18060] Call Trace: [ 464.475046][T18060] [464.475224][T18060] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [464.475575][T18060] ? mark_held_locks (kernel/locking/lockdep.c:4328) [464.475962][T18060] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [464.476533][T18060] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [464.476880][T18060] netif_set_mtu (net/core/dev.c:9652) [464.477349][T18060] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [464.477779][T18060] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [464.478271][T18060] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [464.478541][T18060] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [464.479022][T18060] br_add_if (net/bridge/br_if.c:697) bridge [464.479428][T18060] do_set_master (net/core/rtnetlink.c:2948) [464.479862][T18060] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [464.480250][T18060] rtnl_newlink_create (net/core/rtnetlink.c:3840) [464.480626][T18060] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [464.480953][T18060] ? __dev_get_by_name (net/core/dev.c:865) [464.481419][T18060] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [464.481831][T18060] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [464.482299][T18060] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [464.482763][T18060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [464.483207][T18060] __rtnl_newlink (net/core/rtnetlink.c:3942) [464.483606][T18060] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [464.483981][T18060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [464.484422][T18060] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [464.484774][T18060] ? __lock_release (kernel/locking/lockdep.c:5539) [464.485131][T18060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [464.485571][T18060] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [464.485972][T18060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [464.486368][T18060] ? __lock_acquire (kernel/locking/lockdep.c:5240) [464.486859][T18060] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [464.487282][T18060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [464.487676][T18060] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [464.488132][T18060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [464.488564][T18060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [464.488901][T18060] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [464.489336][T18060] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [464.489752][T18060] ? __lock_acquire (kernel/locking/lockdep.c:5240) [464.490198][T18060] netlink_sendmsg (net/netlink/af_netlink.c:1896) [464.490558][T18060] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [464.490979][T18060] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [464.491462][T18060] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [464.491898][T18060] ? __pfx_____sys_sendmsg (net/socket.c:2560) [464.492433][T18060] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [464.492867][T18060] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [464.493315][T18060] ___sys_sendmsg (net/socket.c:2670) [464.493713][T18060] ? __pfx____sys_sendmsg (net/socket.c:2657) [464.494111][T18060] ? __pfx_handle_pte_fault (mm/memory.c:6026) [464.494512][T18060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [464.494909][T18060] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [464.495369][T18060] ? __handle_mm_fault (mm/memory.c:6212) [464.495729][T18060] ? __pfx___handle_mm_fault (mm/memory.c:6121) [464.496098][T18060] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [464.496579][T18060] __sys_sendmsg (net/socket.c:2700) [464.496915][T18060] ? __pfx___sys_sendmsg (net/socket.c:2685) [464.497263][T18060] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [464.497623][T18060] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [464.497971][T18060] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [464.498316][T18060] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [464.498660][T18060] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 464.499207][T18060] RIP: 0033:0x7f0ee7d4c1e7 [ 464.499666][T18060] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 464.501111][T18060] RSP: 002b:00007ffd466b2848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 464.501622][T18060] RAX: ffffffffffffffda RBX: 00007ffd466b2f70 RCX: 00007f0ee7d4c1e7 [ 464.502124][T18060] RDX: 0000000000000000 RSI: 00007ffd466b28b0 RDI: 0000000000000005 [ 464.502623][T18060] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 464.503146][T18060] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd466b2fa8 [ 464.503654][T18060] R13: 00000000686e0cc6 R14: 0000000000499600 R15: 0000000000000000 | [ 464.705514][T18062] ------------[ cut here ]------------ | [464.705934][T18062] WARNING: CPU: 3 PID: 18062 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 464.706830][T18062] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 464.710939][T18062] Tainted: [W]=WARN [ 464.711386][T18062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [464.712251][T18062] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 464.713198][T18062] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 464.715376][T18062] RSP: 0000:ffffc90008677080 EFLAGS: 00010246 [ 464.716118][T18062] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 464.716974][T18062] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 464.717842][T18062] RBP: ffffc90008677168 R08: 0000000000000000 R09: 0000000000000000 [ 464.718729][T18062] R10: ffffc90008677198 R11: ffffffff924a8918 R12: 1ffff920010cee14 [ 464.719614][T18062] R13: 00000000000005dc R14: ffffc90008677198 R15: ffff888012042f08 [ 464.720488][T18062] FS: 00007fdb978ee800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 464.721496][T18062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 464.722234][T18062] CR2: 0000562c803fd318 CR3: 0000000005d81001 CR4: 0000000000772ef0 [ 464.723104][T18062] PKRU: 55555554 [ 464.723551][T18062] Call Trace: [ 464.723992][T18062] [464.724283][T18062] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [464.724920][T18062] ? mark_held_locks (kernel/locking/lockdep.c:4328) [464.725520][T18062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [464.726247][T18062] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [464.726854][T18062] netif_set_mtu (net/core/dev.c:9652) [464.727465][T18062] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [464.728048][T18062] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [464.728869][T18062] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [464.729322][T18062] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [464.730135][T18062] br_add_if (net/bridge/br_if.c:697) bridge [464.730822][T18062] do_set_master (net/core/rtnetlink.c:2948) [464.731422][T18062] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [464.732005][T18062] rtnl_newlink_create (net/core/rtnetlink.c:3840) [464.732590][T18062] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [464.733155][T18062] ? __dev_get_by_name (net/core/dev.c:865) [464.733720][T18062] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [464.734285][T18062] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [464.734861][T18062] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [464.735205][T18062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [464.735556][T18062] __rtnl_newlink (net/core/rtnetlink.c:3942) [464.735899][T18062] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [464.736239][T18062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [464.736596][T18062] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [464.736933][T18062] ? __lock_release (kernel/locking/lockdep.c:5539) [464.737316][T18062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [464.737669][T18062] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [464.738007][T18062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [464.738345][T18062] ? __lock_acquire (kernel/locking/lockdep.c:5240) [464.738695][T18062] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [464.739028][T18062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [464.739364][T18062] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [464.739717][T18062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [464.740054][T18062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [464.740399][T18062] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [464.740738][T18062] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [464.741071][T18062] ? __lock_acquire (kernel/locking/lockdep.c:5240) [464.741459][T18062] netlink_sendmsg (net/netlink/af_netlink.c:1896) [464.741799][T18062] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [464.742133][T18062] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [464.742491][T18062] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [464.742836][T18062] ? __pfx_____sys_sendmsg (net/socket.c:2560) [464.743171][T18062] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [464.743600][T18062] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [464.743943][T18062] ___sys_sendmsg (net/socket.c:2670) [464.744289][T18062] ? __pfx____sys_sendmsg (net/socket.c:2657) [464.744644][T18062] ? __pfx_handle_pte_fault (mm/memory.c:6026) [464.744991][T18062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [464.745357][T18062] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [464.745722][T18062] ? __handle_mm_fault (mm/memory.c:6212) [464.746060][T18062] ? __pfx___handle_mm_fault (mm/memory.c:6121) [464.746402][T18062] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [464.746749][T18062] __sys_sendmsg (net/socket.c:2700) [464.747095][T18062] ? __pfx___sys_sendmsg (net/socket.c:2685) [464.747441][T18062] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [464.747786][T18062] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [464.748126][T18062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [464.748469][T18062] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [464.748802][T18062] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 464.749219][T18062] RIP: 0033:0x7fdb97abb1e7 [ 464.749613][T18062] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 464.750816][T18062] RSP: 002b:00007fff6a6c5db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 464.751316][T18062] RAX: ffffffffffffffda RBX: 00007fff6a6c64e0 RCX: 00007fdb97abb1e7 [ 464.751831][T18062] RDX: 0000000000000000 RSI: 00007fff6a6c5e20 RDI: 0000000000000005 [ 464.752331][T18062] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 464.752832][T18062] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff6a6c6518 [ 464.753364][T18062] R13: 00000000686e0cc6 R14: 0000000000499600 R15: 0000000000000000 | [ 464.916636][T18065] ------------[ cut here ]------------ | [464.916987][T18065] WARNING: CPU: 3 PID: 18065 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 464.918160][T18065] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 464.919415][T18065] Tainted: [W]=WARN [ 464.919677][T18065] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [464.920091][T18065] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 464.920455][T18065] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 464.921681][T18065] RSP: 0018:ffffc90008807080 EFLAGS: 00010246 [ 464.922106][T18065] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 464.922785][T18065] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 464.923291][T18065] RBP: ffffc90008807168 R08: 0000000000000000 R09: 0000000000000000 [ 464.923935][T18065] R10: ffffc90008807198 R11: ffffffff924a8918 R12: 1ffff92001100e14 [ 464.924621][T18065] R13: 00000000000005dc R14: ffffc90008807198 R15: ffff888012042f08 [ 464.925153][T18065] FS: 00007fdf6f00a800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 464.925882][T18065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 464.926309][T18065] CR2: 00000000004a1738 CR3: 00000000134ee004 CR4: 0000000000772ef0 [ 464.926815][T18065] PKRU: 55555554 [ 464.927085][T18065] Call Trace: [ 464.927342][T18065] [464.927526][T18065] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [464.927907][T18065] ? mark_held_locks (kernel/locking/lockdep.c:4328) [464.928229][T18065] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [464.928660][T18065] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [464.929009][T18065] netif_set_mtu (net/core/dev.c:9652) [464.929340][T18065] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [464.929677][T18065] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [464.930117][T18065] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [464.930369][T18065] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [464.930826][T18065] br_add_if (net/bridge/br_if.c:697) bridge [464.931198][T18065] do_set_master (net/core/rtnetlink.c:2948) [464.931543][T18065] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [464.931870][T18065] rtnl_newlink_create (net/core/rtnetlink.c:3840) [464.932199][T18065] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [464.932532][T18065] ? __dev_get_by_name (net/core/dev.c:865) [464.932852][T18065] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [464.933168][T18065] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [464.933498][T18065] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [464.933825][T18065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [464.934146][T18065] __rtnl_newlink (net/core/rtnetlink.c:3942) [464.934495][T18065] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [464.934837][T18065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [464.935174][T18065] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [464.935507][T18065] ? __lock_release (kernel/locking/lockdep.c:5539) [464.935839][T18065] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [464.936154][T18065] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [464.936488][T18065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [464.936808][T18065] ? __lock_acquire (kernel/locking/lockdep.c:5240) [464.937137][T18065] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [464.937478][T18065] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [464.937808][T18065] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [464.938145][T18065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [464.938478][T18065] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [464.938797][T18065] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [464.939124][T18065] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [464.939454][T18065] ? __lock_acquire (kernel/locking/lockdep.c:5240) [464.939775][T18065] netlink_sendmsg (net/netlink/af_netlink.c:1896) [464.940100][T18065] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [464.940444][T18065] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [464.940773][T18065] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [464.941096][T18065] ? __pfx_____sys_sendmsg (net/socket.c:2560) [464.941438][T18065] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [464.941852][T18065] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [464.942182][T18065] ___sys_sendmsg (net/socket.c:2670) [464.942518][T18065] ? __pfx____sys_sendmsg (net/socket.c:2657) [464.942844][T18065] ? __pfx_handle_pte_fault (mm/memory.c:6026) [464.943163][T18065] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [464.943489][T18065] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [464.943820][T18065] ? __handle_mm_fault (mm/memory.c:6212) [464.944141][T18065] ? __pfx___handle_mm_fault (mm/memory.c:6121) [464.944476][T18065] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [464.944835][T18065] __sys_sendmsg (net/socket.c:2700) [464.945167][T18065] ? __pfx___sys_sendmsg (net/socket.c:2685) [464.945507][T18065] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [464.945835][T18065] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [464.946165][T18065] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [464.946497][T18065] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [464.946819][T18065] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 464.947205][T18065] RIP: 0033:0x7fdf6f1d71e7 [ 464.947558][T18065] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 464.948727][T18065] RSP: 002b:00007ffe9570f018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 464.949230][T18065] RAX: ffffffffffffffda RBX: 00007ffe9570f740 RCX: 00007fdf6f1d71e7 [ 464.949722][T18065] RDX: 0000000000000000 RSI: 00007ffe9570f080 RDI: 0000000000000005 [ 464.950201][T18065] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 464.950757][T18065] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9570f778 [ 464.951254][T18065] R13: 00000000686e0cc6 R14: 0000000000499600 R15: 0000000000000000 | [ 465.115971][T18066] ------------[ cut here ]------------ | [465.116638][T18066] WARNING: CPU: 2 PID: 18066 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 465.117811][T18066] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 465.119939][T18066] Tainted: [W]=WARN [ 465.120422][T18066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [465.121173][T18066] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 465.121803][T18066] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 465.123914][T18066] RSP: 0018:ffffc90008807080 EFLAGS: 00010246 [ 465.124683][T18066] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 465.125637][T18066] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 465.126529][T18066] RBP: ffffc90008807168 R08: 0000000000000000 R09: 0000000000000000 [ 465.127445][T18066] R10: ffffc90008807198 R11: ffffffff924a8918 R12: 1ffff92001100e14 [ 465.128343][T18066] R13: 00000000000005dc R14: ffffc90008807198 R15: ffff888012042f08 [ 465.129244][T18066] FS: 00007f7f08f6c800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 465.130295][T18066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 465.131054][T18066] CR2: 00000000004a1738 CR3: 0000000011fb9004 CR4: 0000000000772ef0 [ 465.131955][T18066] PKRU: 55555554 [ 465.132445][T18066] Call Trace: [ 465.132910][T18066] [465.133228][T18066] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [465.133848][T18066] ? mark_held_locks (kernel/locking/lockdep.c:4328) [465.134451][T18066] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [465.134962][T18066] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [465.135319][T18066] netif_set_mtu (net/core/dev.c:9652) [465.135669][T18066] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [465.136036][T18066] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [465.136512][T18066] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [465.136774][T18066] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [465.137242][T18066] br_add_if (net/bridge/br_if.c:697) bridge [465.137860][T18066] do_set_master (net/core/rtnetlink.c:2948) [465.138209][T18066] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [465.138552][T18066] rtnl_newlink_create (net/core/rtnetlink.c:3840) [465.138920][T18066] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [465.139246][T18066] ? __dev_get_by_name (net/core/dev.c:865) [465.139830][T18066] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [465.140168][T18066] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [465.140539][T18066] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [465.140865][T18066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [465.141203][T18066] __rtnl_newlink (net/core/rtnetlink.c:3942) [465.141550][T18066] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [465.142344][T18066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [465.142697][T18066] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [465.143024][T18066] ? __lock_release (kernel/locking/lockdep.c:5539) [465.143353][T18066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [465.143690][T18066] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [465.144017][T18066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [465.144348][T18066] ? __lock_acquire (kernel/locking/lockdep.c:5240) [465.144725][T18066] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [465.145059][T18066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [465.145401][T18066] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [465.145746][T18066] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [465.146072][T18066] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [465.146653][T18066] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [465.147005][T18066] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [465.147572][T18066] ? __lock_acquire (kernel/locking/lockdep.c:5240) [465.148131][T18066] netlink_sendmsg (net/netlink/af_netlink.c:1896) [465.148471][T18066] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [465.148799][T18066] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [465.149141][T18066] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [465.149480][T18066] ? __pfx_____sys_sendmsg (net/socket.c:2560) [465.149806][T18066] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [465.150454][T18066] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [465.151014][T18066] ___sys_sendmsg (net/socket.c:2670) [465.151348][T18066] ? __pfx____sys_sendmsg (net/socket.c:2657) [465.151701][T18066] ? __pfx_handle_pte_fault (mm/memory.c:6026) [465.152040][T18066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [465.152377][T18066] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [465.152723][T18066] ? __handle_mm_fault (mm/memory.c:6212) [465.153067][T18066] ? __pfx___handle_mm_fault (mm/memory.c:6121) [465.153402][T18066] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [465.153766][T18066] __sys_sendmsg (net/socket.c:2700) [465.154096][T18066] ? __pfx___sys_sendmsg (net/socket.c:2685) [465.154444][T18066] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [465.154799][T18066] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [465.155146][T18066] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [465.155544][T18066] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [465.155894][T18066] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 465.156335][T18066] RIP: 0033:0x7f7f091391e7 [ 465.156714][T18066] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 465.158213][T18066] RSP: 002b:00007ffc4e2a4db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 465.158719][T18066] RAX: ffffffffffffffda RBX: 00007ffc4e2a54e0 RCX: 00007f7f091391e7 [ 465.159471][T18066] RDX: 0000000000000000 RSI: 00007ffc4e2a4e20 RDI: 0000000000000005 [ 465.159963][T18066] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 465.160484][T18066] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4e2a5518 [ 465.160975][T18066] R13: 00000000686e0cc6 R14: 0000000000499600 R15: 0000000000000000 | [ 465.375983][T18068] ------------[ cut here ]------------ | [465.376354][T18068] WARNING: CPU: 3 PID: 18068 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 465.377150][T18068] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 465.378493][T18068] Tainted: [W]=WARN [ 465.378770][T18068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [465.379181][T18068] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 465.379545][T18068] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 465.380834][T18068] RSP: 0018:ffffc90006827080 EFLAGS: 00010246 [ 465.381294][T18068] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 465.381851][T18068] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 465.382387][T18068] RBP: ffffc90006827168 R08: 0000000000000000 R09: 0000000000000000 [ 465.382931][T18068] R10: ffffc90006827198 R11: ffffffff924a8918 R12: 1ffff92000d04e14 [ 465.383496][T18068] R13: 00000000000005dc R14: ffffc90006827198 R15: ffff888012042f08 [ 465.384049][T18068] FS: 00007f2bbc1e3800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 465.384716][T18068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 465.385157][T18068] CR2: 00007fdda6e917c1 CR3: 000000000e152006 CR4: 0000000000772ef0 [ 465.385728][T18068] PKRU: 55555554 [ 465.385996][T18068] Call Trace: [ 465.386271][T18068] [465.386497][T18068] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [465.386855][T18068] ? mark_held_locks (kernel/locking/lockdep.c:4328) [465.387216][T18068] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [465.387723][T18068] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [465.388121][T18068] netif_set_mtu (net/core/dev.c:9652) [465.388559][T18068] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [465.388950][T18068] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [465.389470][T18068] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [465.389772][T18068] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [465.390304][T18068] br_add_if (net/bridge/br_if.c:697) bridge [465.390723][T18068] do_set_master (net/core/rtnetlink.c:2948) [465.391101][T18068] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [465.391465][T18068] rtnl_newlink_create (net/core/rtnetlink.c:3840) [465.391823][T18068] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [465.392170][T18068] ? __dev_get_by_name (net/core/dev.c:865) [465.392540][T18068] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [465.392897][T18068] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [465.393230][T18068] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [465.393563][T18068] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [465.393897][T18068] __rtnl_newlink (net/core/rtnetlink.c:3942) [465.394240][T18068] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [465.394628][T18068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [465.394961][T18068] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [465.395290][T18068] ? __lock_release (kernel/locking/lockdep.c:5539) [465.395650][T18068] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [465.396030][T18068] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [465.396423][T18068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [465.396815][T18068] ? __lock_acquire (kernel/locking/lockdep.c:5240) [465.397176][T18068] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [465.397547][T18068] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [465.397913][T18068] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [465.398281][T18068] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [465.398648][T18068] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [465.399011][T18068] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [465.399359][T18068] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [465.399741][T18068] ? __lock_acquire (kernel/locking/lockdep.c:5240) [465.400120][T18068] netlink_sendmsg (net/netlink/af_netlink.c:1896) [465.400492][T18068] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [465.400859][T18068] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [465.401243][T18068] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [465.401648][T18068] ? __pfx_____sys_sendmsg (net/socket.c:2560) [465.402026][T18068] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [465.402526][T18068] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [465.402927][T18068] ___sys_sendmsg (net/socket.c:2670) [465.403323][T18068] ? __pfx____sys_sendmsg (net/socket.c:2657) [465.403709][T18068] ? __pfx_handle_pte_fault (mm/memory.c:6026) [465.404047][T18068] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [465.404384][T18068] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [465.404772][T18068] ? __handle_mm_fault (mm/memory.c:6212) [465.405093][T18068] ? __pfx___handle_mm_fault (mm/memory.c:6121) [465.405436][T18068] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [465.405795][T18068] __sys_sendmsg (net/socket.c:2700) [465.406205][T18068] ? __pfx___sys_sendmsg (net/socket.c:2685) [465.406581][T18068] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [465.406970][T18068] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [465.407416][T18068] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [465.407765][T18068] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [465.408132][T18068] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 465.408618][T18068] RIP: 0033:0x7f2bbc3b01e7 [ 465.409003][T18068] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 465.410271][T18068] RSP: 002b:00007ffcfd0cd7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 465.410826][T18068] RAX: ffffffffffffffda RBX: 00007ffcfd0cdf00 RCX: 00007f2bbc3b01e7 [ 465.411313][T18068] RDX: 0000000000000000 RSI: 00007ffcfd0cd840 RDI: 0000000000000005 [ 465.411798][T18068] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 465.412353][T18068] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcfd0cdf38 [ 465.412857][T18068] R13: 00000000686e0cc7 R14: 0000000000499600 R15: 0000000000000000 | [ 465.563817][T18070] ------------[ cut here ]------------ | [465.564184][T18070] WARNING: CPU: 3 PID: 18070 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 465.565001][T18070] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 465.566357][T18070] Tainted: [W]=WARN [ 465.566655][T18070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [465.567126][T18070] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 465.567578][T18070] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 465.569093][T18070] RSP: 0018:ffffc90006807080 EFLAGS: 00010246 [ 465.569534][T18070] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 465.570035][T18070] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 465.570542][T18070] RBP: ffffc90006807168 R08: 0000000000000000 R09: 0000000000000000 [ 465.571036][T18070] R10: ffffc90006807198 R11: ffffffff924a8918 R12: 1ffff92000d00e14 [ 465.571542][T18070] R13: 00000000000005dc R14: ffffc90006807198 R15: ffff888012042f08 [ 465.572098][T18070] FS: 00007f737db49800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 465.572798][T18070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 465.573245][T18070] CR2: 00000000004a1738 CR3: 000000000e152001 CR4: 0000000000772ef0 [ 465.573831][T18070] PKRU: 55555554 [ 465.574108][T18070] Call Trace: [ 465.574374][T18070] [465.574625][T18070] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [465.575029][T18070] ? mark_held_locks (kernel/locking/lockdep.c:4328) [465.575376][T18070] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [465.575812][T18070] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [465.576157][T18070] netif_set_mtu (net/core/dev.c:9652) [465.576539][T18070] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [465.576897][T18070] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [465.577406][T18070] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [465.577690][T18070] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [465.578209][T18070] br_add_if (net/bridge/br_if.c:697) bridge [465.578656][T18070] do_set_master (net/core/rtnetlink.c:2948) [465.579043][T18070] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [465.579456][T18070] rtnl_newlink_create (net/core/rtnetlink.c:3840) [465.579836][T18070] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [465.580220][T18070] ? __dev_get_by_name (net/core/dev.c:865) [465.580614][T18070] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [465.581010][T18070] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [465.581408][T18070] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [465.581770][T18070] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [465.582191][T18070] __rtnl_newlink (net/core/rtnetlink.c:3942) [465.582561][T18070] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [465.582992][T18070] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [465.583409][T18070] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [465.583861][T18070] ? __lock_release (kernel/locking/lockdep.c:5539) [465.584325][T18070] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [465.584762][T18070] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [465.585134][T18070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [465.585562][T18070] ? __lock_acquire (kernel/locking/lockdep.c:5240) [465.585927][T18070] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [465.586273][T18070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [465.586663][T18070] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [465.587053][T18070] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [465.587412][T18070] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [465.587794][T18070] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [465.588155][T18070] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [465.588503][T18070] ? __lock_acquire (kernel/locking/lockdep.c:5240) [465.588828][T18070] netlink_sendmsg (net/netlink/af_netlink.c:1896) [465.589167][T18070] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [465.589531][T18070] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [465.589877][T18070] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [465.590245][T18070] ? __pfx_____sys_sendmsg (net/socket.c:2560) [465.590627][T18070] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [465.591098][T18070] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [465.591497][T18070] ___sys_sendmsg (net/socket.c:2670) [465.591874][T18070] ? __pfx____sys_sendmsg (net/socket.c:2657) [465.592240][T18070] ? __pfx_handle_pte_fault (mm/memory.c:6026) [465.592625][T18070] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [465.593038][T18070] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [465.593403][T18070] ? __handle_mm_fault (mm/memory.c:6212) [465.593829][T18070] ? __pfx___handle_mm_fault (mm/memory.c:6121) [465.594191][T18070] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [465.594586][T18070] __sys_sendmsg (net/socket.c:2700) [465.594928][T18070] ? __pfx___sys_sendmsg (net/socket.c:2685) [465.595275][T18070] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [465.595702][T18070] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [465.596028][T18070] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [465.596479][T18070] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [465.596919][T18070] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 465.597306][T18070] RIP: 0033:0x7f737dd161e7 [ 465.597751][T18070] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 465.599120][T18070] RSP: 002b:00007fff2fcb9a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 465.599695][T18070] RAX: ffffffffffffffda RBX: 00007fff2fcba170 RCX: 00007f737dd161e7 [ 465.600277][T18070] RDX: 0000000000000000 RSI: 00007fff2fcb9ab0 RDI: 0000000000000005 [ 465.600991][T18070] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 465.601517][T18070] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff2fcba1a8 [ 465.601990][T18070] R13: 00000000686e0cc7 R14: 0000000000499600 R15: 0000000000000000 | [ 465.788040][T18072] ------------[ cut here ]------------ | [465.788366][T18072] WARNING: CPU: 3 PID: 18072 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 465.789074][T18072] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 465.790241][T18072] Tainted: [W]=WARN [ 465.790487][T18072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [465.790888][T18072] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 465.791218][T18072] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 465.792395][T18072] RSP: 0018:ffffc90006807080 EFLAGS: 00010246 [ 465.792800][T18072] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 465.793288][T18072] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 465.793791][T18072] RBP: ffffc90006807168 R08: 0000000000000000 R09: 0000000000000000 [ 465.794280][T18072] R10: ffffc90006807198 R11: ffffffff924a8918 R12: 1ffff92000d00e14 [ 465.794778][T18072] R13: 00000000000005dc R14: ffffc90006807198 R15: ffff888012042f08 [ 465.795270][T18072] FS: 00007f2d331f5800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 465.795862][T18072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 465.796279][T18072] CR2: 00000000004a1738 CR3: 000000000bdff004 CR4: 0000000000772ef0 [ 465.796773][T18072] PKRU: 55555554 [ 465.797019][T18072] Call Trace: [ 465.797261][T18072] [465.797438][T18072] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [465.797764][T18072] ? mark_held_locks (kernel/locking/lockdep.c:4328) [465.798097][T18072] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [465.798515][T18072] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [465.798846][T18072] netif_set_mtu (net/core/dev.c:9652) [465.799171][T18072] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [465.799548][T18072] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [465.799998][T18072] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [465.800245][T18072] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [465.800689][T18072] br_add_if (net/bridge/br_if.c:697) bridge [465.801058][T18072] do_set_master (net/core/rtnetlink.c:2948) [465.801378][T18072] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [465.801705][T18072] rtnl_newlink_create (net/core/rtnetlink.c:3840) [465.802024][T18072] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [465.802335][T18072] ? __dev_get_by_name (net/core/dev.c:865) [465.802655][T18072] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [465.802969][T18072] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [465.803288][T18072] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [465.803637][T18072] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [465.803959][T18072] __rtnl_newlink (net/core/rtnetlink.c:3942) [465.804288][T18072] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [465.804630][T18072] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [465.804960][T18072] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [465.805274][T18072] ? __lock_release (kernel/locking/lockdep.c:5539) [465.805599][T18072] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [465.805912][T18072] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [465.806231][T18072] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [465.806567][T18072] ? __lock_acquire (kernel/locking/lockdep.c:5240) [465.806889][T18072] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [465.807206][T18072] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [465.807562][T18072] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [465.807889][T18072] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [465.808206][T18072] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [465.808546][T18072] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [465.808884][T18072] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [465.809213][T18072] ? __lock_acquire (kernel/locking/lockdep.c:5240) [465.809633][T18072] netlink_sendmsg (net/netlink/af_netlink.c:1896) [465.809979][T18072] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [465.810319][T18072] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [465.810683][T18072] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [465.811016][T18072] ? __pfx_____sys_sendmsg (net/socket.c:2560) [465.811347][T18072] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [465.811807][T18072] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [465.812149][T18072] ___sys_sendmsg (net/socket.c:2670) [465.812522][T18072] ? __pfx____sys_sendmsg (net/socket.c:2657) [465.812855][T18072] ? __pfx_handle_pte_fault (mm/memory.c:6026) [465.813185][T18072] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [465.813544][T18072] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [465.813881][T18072] ? __handle_mm_fault (mm/memory.c:6212) [465.814212][T18072] ? __pfx___handle_mm_fault (mm/memory.c:6121) [465.814645][T18072] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [465.815001][T18072] __sys_sendmsg (net/socket.c:2700) [465.815334][T18072] ? __pfx___sys_sendmsg (net/socket.c:2685) [465.815727][T18072] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [465.816068][T18072] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [465.816420][T18072] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [465.816756][T18072] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [465.817088][T18072] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 465.817540][T18072] RIP: 0033:0x7f2d333c21e7 [ 465.817887][T18072] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 465.819103][T18072] RSP: 002b:00007ffe6f8135b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 465.819631][T18072] RAX: ffffffffffffffda RBX: 00007ffe6f813ce0 RCX: 00007f2d333c21e7 [ 465.820127][T18072] RDX: 0000000000000000 RSI: 00007ffe6f813620 RDI: 0000000000000005 [ 465.820703][T18072] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 465.821215][T18072] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe6f813d18 [ 465.821755][T18072] R13: 00000000686e0cc7 R14: 0000000000499600 R15: 0000000000000000 | [ 466.010308][T18074] ------------[ cut here ]------------ | [466.010767][T18074] WARNING: CPU: 2 PID: 18074 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 466.011520][T18074] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 466.012963][T18074] Tainted: [W]=WARN [ 466.013247][T18074] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [466.013708][T18074] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 466.014167][T18074] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 466.015569][T18074] RSP: 0018:ffffc90006807080 EFLAGS: 00010246 [ 466.016127][T18074] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 466.016728][T18074] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 466.017315][T18074] RBP: ffffc90006807168 R08: 0000000000000000 R09: 0000000000000000 [ 466.018016][T18074] R10: ffffc90006807198 R11: ffffffff924a8918 R12: 1ffff92000d00e14 [ 466.018578][T18074] R13: 00000000000005dc R14: ffffc90006807198 R15: ffff888012042f08 [ 466.019105][T18074] FS: 00007fe5b7d7c800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 466.019798][T18074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 466.020359][T18074] CR2: 00000000004a1738 CR3: 000000000e0a4001 CR4: 0000000000772ef0 [ 466.020907][T18074] PKRU: 55555554 [ 466.021312][T18074] Call Trace: [ 466.021611][T18074] [466.021817][T18074] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [466.022319][T18074] ? mark_held_locks (kernel/locking/lockdep.c:4328) [466.022787][T18074] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [466.023319][T18074] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [466.023731][T18074] netif_set_mtu (net/core/dev.c:9652) [466.024211][T18074] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [466.024703][T18074] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [466.025236][T18074] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [466.025533][T18074] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [466.026229][T18074] br_add_if (net/bridge/br_if.c:697) bridge [466.026658][T18074] do_set_master (net/core/rtnetlink.c:2948) [466.027126][T18074] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [466.027536][T18074] rtnl_newlink_create (net/core/rtnetlink.c:3840) [466.028005][T18074] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [466.028579][T18074] ? __dev_get_by_name (net/core/dev.c:865) [466.028932][T18074] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [466.029270][T18074] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [466.029817][T18074] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [466.030168][T18074] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [466.030544][T18074] __rtnl_newlink (net/core/rtnetlink.c:3942) [466.031102][T18074] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [466.031466][T18074] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [466.031963][T18074] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [466.032410][T18074] ? __lock_release (kernel/locking/lockdep.c:5539) [466.032769][T18074] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [466.033221][T18074] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [466.033570][T18074] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [466.033984][T18074] ? __lock_acquire (kernel/locking/lockdep.c:5240) [466.034552][T18074] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [466.034992][T18074] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [466.035450][T18074] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [466.035848][T18074] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [466.036491][T18074] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [466.036923][T18074] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [466.037298][T18074] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [466.037644][T18074] ? __lock_acquire (kernel/locking/lockdep.c:5240) [466.038021][T18074] netlink_sendmsg (net/netlink/af_netlink.c:1896) [466.038380][T18074] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [466.038729][T18074] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [466.039093][T18074] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [466.039467][T18074] ? __pfx_____sys_sendmsg (net/socket.c:2560) [466.039812][T18074] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [466.040264][T18074] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [466.040645][T18074] ___sys_sendmsg (net/socket.c:2670) [466.041042][T18074] ? __pfx____sys_sendmsg (net/socket.c:2657) [466.041419][T18074] ? __pfx_handle_pte_fault (mm/memory.c:6026) [466.041760][T18074] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [466.042136][T18074] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [466.042487][T18074] ? __handle_mm_fault (mm/memory.c:6212) [466.042824][T18074] ? __pfx___handle_mm_fault (mm/memory.c:6121) [466.043185][T18074] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [466.043558][T18074] __sys_sendmsg (net/socket.c:2700) [466.043917][T18074] ? __pfx___sys_sendmsg (net/socket.c:2685) [466.044260][T18074] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [466.044654][T18074] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [466.045032][T18074] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [466.045461][T18074] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [466.045836][T18074] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 466.046377][T18074] RIP: 0033:0x7fe5b7f491e7 [ 466.046824][T18074] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 466.048521][T18074] RSP: 002b:00007ffd0ad72a08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 466.049079][T18074] RAX: ffffffffffffffda RBX: 00007ffd0ad73130 RCX: 00007fe5b7f491e7 [ 466.049727][T18074] RDX: 0000000000000000 RSI: 00007ffd0ad72a70 RDI: 0000000000000005 [ 466.050297][T18074] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 466.050805][T18074] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0ad73168 [ 466.051316][T18074] R13: 00000000686e0cc7 R14: 0000000000499600 R15: 0000000000000000 | [ 466.264981][T18076] ------------[ cut here ]------------ | [466.265307][T18076] WARNING: CPU: 0 PID: 18076 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 466.266011][T18076] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 466.267653][T18076] Tainted: [W]=WARN [ 466.267893][T18076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [466.268286][T18076] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 466.268621][T18076] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 466.269761][T18076] RSP: 0018:ffffc90006817080 EFLAGS: 00010246 [ 466.270196][T18076] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 466.270676][T18076] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 466.271145][T18076] RBP: ffffc90006817168 R08: 0000000000000000 R09: 0000000000000000 [ 466.271628][T18076] R10: ffffc90006817198 R11: ffffffff924a8918 R12: 1ffff92000d02e14 [ 466.272104][T18076] R13: 00000000000005dc R14: ffffc90006817198 R15: ffff888012042f08 [ 466.272611][T18076] FS: 00007f08309a7800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 466.273169][T18076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 466.273575][T18076] CR2: 00000000004a1738 CR3: 0000000012184001 CR4: 0000000000772ef0 [ 466.274075][T18076] PKRU: 55555554 [ 466.274329][T18076] Call Trace: [ 466.274578][T18076] [466.274753][T18076] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [466.275074][T18076] ? mark_held_locks (kernel/locking/lockdep.c:4328) [466.275435][T18076] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [466.275848][T18076] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [466.276194][T18076] netif_set_mtu (net/core/dev.c:9652) [466.276584][T18076] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [466.276916][T18076] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [466.277378][T18076] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [466.277688][T18076] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [466.278336][T18076] br_add_if (net/bridge/br_if.c:697) bridge [466.278722][T18076] do_set_master (net/core/rtnetlink.c:2948) [466.279070][T18076] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [466.279435][T18076] rtnl_newlink_create (net/core/rtnetlink.c:3840) [466.279771][T18076] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [466.280087][T18076] ? __dev_get_by_name (net/core/dev.c:865) [466.280422][T18076] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [466.280735][T18076] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [466.281094][T18076] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [466.281510][T18076] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [466.281847][T18076] __rtnl_newlink (net/core/rtnetlink.c:3942) [466.282206][T18076] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [466.282551][T18076] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [466.282894][T18076] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [466.283249][T18076] ? __lock_release (kernel/locking/lockdep.c:5539) [466.283604][T18076] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [466.283938][T18076] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [466.284290][T18076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [466.284677][T18076] ? __lock_acquire (kernel/locking/lockdep.c:5240) [466.285019][T18076] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [466.285373][T18076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [466.285716][T18076] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [466.286076][T18076] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [466.286403][T18076] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [466.286754][T18076] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [466.287086][T18076] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [466.287418][T18076] ? __lock_acquire (kernel/locking/lockdep.c:5240) [466.287765][T18076] netlink_sendmsg (net/netlink/af_netlink.c:1896) [466.288116][T18076] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [466.288504][T18076] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [466.288874][T18076] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [466.289217][T18076] ? __pfx_____sys_sendmsg (net/socket.c:2560) [466.289591][T18076] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [466.290009][T18076] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [466.290332][T18076] ___sys_sendmsg (net/socket.c:2670) [466.290656][T18076] ? __pfx____sys_sendmsg (net/socket.c:2657) [466.290988][T18076] ? __pfx_handle_pte_fault (mm/memory.c:6026) [466.291309][T18076] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [466.291633][T18076] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [466.291954][T18076] ? __handle_mm_fault (mm/memory.c:6212) [466.292274][T18076] ? __pfx___handle_mm_fault (mm/memory.c:6121) [466.292597][T18076] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [466.292931][T18076] __sys_sendmsg (net/socket.c:2700) [466.293250][T18076] ? __pfx___sys_sendmsg (net/socket.c:2685) [466.293577][T18076] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [466.293903][T18076] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [466.294218][T18076] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [466.294542][T18076] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [466.294868][T18076] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 466.295255][T18076] RIP: 0033:0x7f0830b741e7 [ 466.295585][T18076] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 466.296787][T18076] RSP: 002b:00007fff930da268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 466.297330][T18076] RAX: ffffffffffffffda RBX: 00007fff930da990 RCX: 00007f0830b741e7 [ 466.297866][T18076] RDX: 0000000000000000 RSI: 00007fff930da2d0 RDI: 0000000000000005 [ 466.298358][T18076] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 466.298849][T18076] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff930da9c8 [ 466.299363][T18076] R13: 00000000686e0cc7 R14: 0000000000499600 R15: 0000000000000000 | [ 466.475417][T18079] ------------[ cut here ]------------ | [466.475967][T18079] WARNING: CPU: 2 PID: 18079 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 466.476866][T18079] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 466.478222][T18079] Tainted: [W]=WARN [ 466.478633][T18079] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [466.479150][T18079] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 466.479504][T18079] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 466.480677][T18079] RSP: 0000:ffffc90006817080 EFLAGS: 00010246 [ 466.481090][T18079] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 466.481618][T18079] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 466.482210][T18079] RBP: ffffc90006817168 R08: 0000000000000000 R09: 0000000000000000 [ 466.482784][T18079] R10: ffffc90006817198 R11: ffffffff924a8918 R12: 1ffff92000d02e14 [ 466.483333][T18079] R13: 00000000000005dc R14: ffffc90006817198 R15: ffff888012042f08 [ 466.483924][T18079] FS: 00007feb983ef800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 466.484628][T18079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 466.485168][T18079] CR2: 00007f96699f61e4 CR3: 00000000055e1003 CR4: 0000000000772ef0 [ 466.485719][T18079] PKRU: 55555554 [ 466.485971][T18079] Call Trace: [ 466.486259][T18079] [466.486504][T18079] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [466.486917][T18079] ? mark_held_locks (kernel/locking/lockdep.c:4328) [466.487276][T18079] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [466.487859][T18079] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [466.488305][T18079] netif_set_mtu (net/core/dev.c:9652) [466.488737][T18079] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [466.489156][T18079] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [466.489629][T18079] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [466.489929][T18079] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [466.490492][T18079] br_add_if (net/bridge/br_if.c:697) bridge [466.490964][T18079] do_set_master (net/core/rtnetlink.c:2948) [466.491343][T18079] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [466.491818][T18079] rtnl_newlink_create (net/core/rtnetlink.c:3840) [466.492263][T18079] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [466.492612][T18079] ? __dev_get_by_name (net/core/dev.c:865) [466.492949][T18079] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [466.493319][T18079] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [466.493759][T18079] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [466.494125][T18079] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [466.494563][T18079] __rtnl_newlink (net/core/rtnetlink.c:3942) [466.495009][T18079] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [466.495384][T18079] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [466.495757][T18079] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [466.496084][T18079] ? __lock_release (kernel/locking/lockdep.c:5539) [466.496426][T18079] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [466.496766][T18079] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [466.497101][T18079] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [466.497445][T18079] ? __lock_acquire (kernel/locking/lockdep.c:5240) [466.497786][T18079] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [466.498192][T18079] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [466.498600][T18079] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [466.498975][T18079] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [466.499347][T18079] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [466.499728][T18079] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [466.500075][T18079] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [466.500499][T18079] ? __lock_acquire (kernel/locking/lockdep.c:5240) [466.500935][T18079] netlink_sendmsg (net/netlink/af_netlink.c:1896) [466.501293][T18079] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [466.501663][T18079] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [466.502018][T18079] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [466.502417][T18079] ? __pfx_____sys_sendmsg (net/socket.c:2560) [466.502839][T18079] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [466.503313][T18079] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [466.503741][T18079] ___sys_sendmsg (net/socket.c:2670) [466.504167][T18079] ? __pfx____sys_sendmsg (net/socket.c:2657) [466.504636][T18079] ? __pfx_handle_pte_fault (mm/memory.c:6026) [466.505071][T18079] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [466.505515][T18079] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [466.505928][T18079] ? __handle_mm_fault (mm/memory.c:6212) [466.506312][T18079] ? __pfx___handle_mm_fault (mm/memory.c:6121) [466.506753][T18079] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [466.507191][T18079] __sys_sendmsg (net/socket.c:2700) [466.507619][T18079] ? __pfx___sys_sendmsg (net/socket.c:2685) [466.508030][T18079] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [466.508428][T18079] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [466.508810][T18079] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [466.509205][T18079] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [466.509591][T18079] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 466.510130][T18079] RIP: 0033:0x7feb985bc1e7 [ 466.510556][T18079] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 466.511704][T18079] RSP: 002b:00007ffcc6dc09e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 466.512207][T18079] RAX: ffffffffffffffda RBX: 00007ffcc6dc1110 RCX: 00007feb985bc1e7 [ 466.512742][T18079] RDX: 0000000000000000 RSI: 00007ffcc6dc0a50 RDI: 0000000000000005 [ 466.513319][T18079] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 466.513879][T18079] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc6dc1148 [ 466.514470][T18079] R13: 00000000686e0cc8 R14: 0000000000499600 R15: 0000000000000000 | [ 466.693665][T18080] ------------[ cut here ]------------ | [466.693978][T18080] WARNING: CPU: 3 PID: 18080 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 466.694756][T18080] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 466.695915][T18080] Tainted: [W]=WARN [ 466.696172][T18080] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [466.696589][T18080] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 466.696923][T18080] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 466.698930][T18080] RSP: 0018:ffffc90006817080 EFLAGS: 00010246 [ 466.699665][T18080] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 466.700568][T18080] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 466.701434][T18080] RBP: ffffc90006817168 R08: 0000000000000000 R09: 0000000000000000 [ 466.702300][T18080] R10: ffffc90006817198 R11: ffffffff924a8918 R12: 1ffff92000d02e14 [ 466.702792][T18080] R13: 00000000000005dc R14: ffffc90006817198 R15: ffff888012042f08 [ 466.703329][T18080] FS: 00007fca1a9f7800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 466.703925][T18080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 466.704370][T18080] CR2: 00000000004a1738 CR3: 0000000013c35004 CR4: 0000000000772ef0 [ 466.704872][T18080] PKRU: 55555554 [ 466.705127][T18080] Call Trace: [ 466.705370][T18080] [466.705552][T18080] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [466.705915][T18080] ? mark_held_locks (kernel/locking/lockdep.c:4328) [466.706251][T18080] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [466.706656][T18080] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [466.706982][T18080] netif_set_mtu (net/core/dev.c:9652) [466.707311][T18080] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [466.707687][T18080] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [466.708144][T18080] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [466.708453][T18080] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [466.708896][T18080] br_add_if (net/bridge/br_if.c:697) bridge [466.709511][T18080] do_set_master (net/core/rtnetlink.c:2948) [466.710098][T18080] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [466.710553][T18080] rtnl_newlink_create (net/core/rtnetlink.c:3840) [466.710891][T18080] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [466.711227][T18080] ? __dev_get_by_name (net/core/dev.c:865) [466.711568][T18080] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [466.711900][T18080] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [466.712260][T18080] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [466.712597][T18080] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [466.712932][T18080] __rtnl_newlink (net/core/rtnetlink.c:3942) [466.713290][T18080] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [466.713661][T18080] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [466.714003][T18080] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [466.714335][T18080] ? __lock_release (kernel/locking/lockdep.c:5539) [466.714688][T18080] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [466.715021][T18080] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [466.715400][T18080] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [466.715735][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) [466.716067][T18080] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [466.716379][T18080] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [466.716701][T18080] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [466.717043][T18080] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [466.717369][T18080] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [466.717694][T18080] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [466.718016][T18080] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [466.718338][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) [466.718678][T18080] netlink_sendmsg (net/netlink/af_netlink.c:1896) [466.719097][T18080] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [466.719422][T18080] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [466.719745][T18080] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [466.720154][T18080] ? __pfx_____sys_sendmsg (net/socket.c:2560) [466.720477][T18080] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [466.720930][T18080] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [466.721290][T18080] ___sys_sendmsg (net/socket.c:2670) [466.721617][T18080] ? __pfx____sys_sendmsg (net/socket.c:2657) [466.721933][T18080] ? __pfx_handle_pte_fault (mm/memory.c:6026) [466.722253][T18080] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [466.722577][T18080] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [466.722902][T18080] ? __handle_mm_fault (mm/memory.c:6212) [466.723226][T18080] ? __pfx___handle_mm_fault (mm/memory.c:6121) [466.723547][T18080] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [466.723881][T18080] __sys_sendmsg (net/socket.c:2700) [466.724209][T18080] ? __pfx___sys_sendmsg (net/socket.c:2685) [466.724537][T18080] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [466.724874][T18080] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [466.725194][T18080] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [466.725525][T18080] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [466.725845][T18080] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 466.726242][T18080] RIP: 0033:0x7fca1abc41e7 [ 466.726587][T18080] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 466.727777][T18080] RSP: 002b:00007ffeec6b4ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 466.728258][T18080] RAX: ffffffffffffffda RBX: 00007ffeec6b55f0 RCX: 00007fca1abc41e7 [ 466.728742][T18080] RDX: 0000000000000000 RSI: 00007ffeec6b4f30 RDI: 0000000000000005 [ 466.729229][T18080] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 466.729748][T18080] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeec6b5628 [ 466.730280][T18080] R13: 00000000686e0cc8 R14: 0000000000499600 R15: 0000000000000000 | [ 466.912820][T18082] ------------[ cut here ]------------ | [466.913224][T18082] WARNING: CPU: 2 PID: 18082 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 466.913968][T18082] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 466.915229][T18082] Tainted: [W]=WARN [ 466.915515][T18082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [466.915941][T18082] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 466.916298][T18082] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 466.918206][T18082] RSP: 0018:ffffc90008677080 EFLAGS: 00010246 [ 466.918985][T18082] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 466.919887][T18082] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 466.920810][T18082] RBP: ffffc90008677168 R08: 0000000000000000 R09: 0000000000000000 [ 466.921744][T18082] R10: ffffc90008677198 R11: ffffffff924a8918 R12: 1ffff920010cee14 [ 466.922690][T18082] R13: 00000000000005dc R14: ffffc90008677198 R15: ffff888012042f08 [ 466.923619][T18082] FS: 00007fd9e952e800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 466.924677][T18082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 466.925234][T18082] CR2: 00000000004a1738 CR3: 0000000009220006 CR4: 0000000000772ef0 [ 466.925765][T18082] PKRU: 55555554 [ 466.926045][T18082] Call Trace: [ 466.926302][T18082] [466.926529][T18082] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [466.926904][T18082] ? mark_held_locks (kernel/locking/lockdep.c:4328) [466.927273][T18082] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [466.927701][T18082] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [466.928054][T18082] netif_set_mtu (net/core/dev.c:9652) [466.928400][T18082] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [466.928738][T18082] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [466.929221][T18082] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [466.929488][T18082] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [466.929933][T18082] br_add_if (net/bridge/br_if.c:697) bridge [466.930327][T18082] do_set_master (net/core/rtnetlink.c:2948) [466.930684][T18082] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [466.931030][T18082] rtnl_newlink_create (net/core/rtnetlink.c:3840) [466.931378][T18082] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [466.931726][T18082] ? __dev_get_by_name (net/core/dev.c:865) [466.932082][T18082] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [466.932424][T18082] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [466.932822][T18082] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [466.933384][T18082] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [466.933983][T18082] __rtnl_newlink (net/core/rtnetlink.c:3942) [466.934621][T18082] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [466.935269][T18082] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [466.935898][T18082] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [466.936517][T18082] ? __lock_release (kernel/locking/lockdep.c:5539) [466.937111][T18082] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [466.937756][T18082] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [466.938363][T18082] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [466.938987][T18082] ? __lock_acquire (kernel/locking/lockdep.c:5240) [466.939622][T18082] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [466.940225][T18082] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [466.940830][T18082] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [466.941446][T18082] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [466.941849][T18082] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [466.942270][T18082] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [466.942651][T18082] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [466.942994][T18082] ? __lock_acquire (kernel/locking/lockdep.c:5240) [466.943362][T18082] netlink_sendmsg (net/netlink/af_netlink.c:1896) [466.943718][T18082] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [466.944074][T18082] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [466.944437][T18082] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [466.944784][T18082] ? __pfx_____sys_sendmsg (net/socket.c:2560) [466.945129][T18082] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [466.945548][T18082] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [466.945888][T18082] ___sys_sendmsg (net/socket.c:2670) [466.946273][T18082] ? __pfx____sys_sendmsg (net/socket.c:2657) [466.946637][T18082] ? __pfx_handle_pte_fault (mm/memory.c:6026) [466.946977][T18082] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [466.947582][T18082] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [466.948148][T18082] ? __handle_mm_fault (mm/memory.c:6212) [466.948740][T18082] ? __pfx___handle_mm_fault (mm/memory.c:6121) [466.949311][T18082] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [466.949969][T18082] __sys_sendmsg (net/socket.c:2700) [466.950589][T18082] ? __pfx___sys_sendmsg (net/socket.c:2685) [466.951195][T18082] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [466.951838][T18082] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [466.952468][T18082] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [466.953084][T18082] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [466.953705][T18082] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 466.954459][T18082] RIP: 0033:0x7fd9e96fb1e7 [ 466.955093][T18082] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 466.956510][T18082] RSP: 002b:00007fffe7493918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 466.957052][T18082] RAX: ffffffffffffffda RBX: 00007fffe7494040 RCX: 00007fd9e96fb1e7 [ 466.957573][T18082] RDX: 0000000000000000 RSI: 00007fffe7493980 RDI: 0000000000000005 [ 466.958102][T18082] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 466.958625][T18082] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe7494078 [ 466.959141][T18082] R13: 00000000686e0cc8 R14: 0000000000499600 R15: 0000000000000000 | [ 467.155314][T18085] ------------[ cut here ]------------ | [467.155736][T18085] WARNING: CPU: 2 PID: 18085 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 467.156441][T18085] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 467.157618][T18085] Tainted: [W]=WARN [ 467.157870][T18085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [467.158281][T18085] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 467.158633][T18085] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 467.159770][T18085] RSP: 0018:ffffc90005427080 EFLAGS: 00010246 [ 467.160186][T18085] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 467.160690][T18085] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 467.161215][T18085] RBP: ffffc90005427168 R08: 0000000000000000 R09: 0000000000000000 [ 467.161721][T18085] R10: ffffc90005427198 R11: ffffffff924a8918 R12: 1ffff92000a84e14 [ 467.162209][T18085] R13: 00000000000005dc R14: ffffc90005427198 R15: ffff888012042f08 [ 467.162710][T18085] FS: 00007f9e7c524800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 467.163286][T18085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 467.163709][T18085] CR2: 00000000004a1738 CR3: 000000001241a006 CR4: 0000000000772ef0 [ 467.164206][T18085] PKRU: 55555554 [ 467.164506][T18085] Call Trace: [ 467.164801][T18085] [467.164987][T18085] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [467.165343][T18085] ? mark_held_locks (kernel/locking/lockdep.c:4328) [467.165699][T18085] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [467.166168][T18085] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [467.166687][T18085] netif_set_mtu (net/core/dev.c:9652) [467.167187][T18085] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [467.167700][T18085] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [467.168314][T18085] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [467.168745][T18085] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [467.169311][T18085] br_add_if (net/bridge/br_if.c:697) bridge [467.169703][T18085] do_set_master (net/core/rtnetlink.c:2948) [467.170062][T18085] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [467.170425][T18085] rtnl_newlink_create (net/core/rtnetlink.c:3840) [467.170764][T18085] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [467.171088][T18085] ? __dev_get_by_name (net/core/dev.c:865) [467.171424][T18085] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [467.171792][T18085] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [467.172141][T18085] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [467.172478][T18085] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [467.172816][T18085] __rtnl_newlink (net/core/rtnetlink.c:3942) [467.173158][T18085] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [467.173501][T18085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [467.173843][T18085] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [467.174169][T18085] ? __lock_release (kernel/locking/lockdep.c:5539) [467.174506][T18085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [467.174860][T18085] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [467.175220][T18085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [467.175568][T18085] ? __lock_acquire (kernel/locking/lockdep.c:5240) [467.175902][T18085] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [467.176234][T18085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [467.176583][T18085] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [467.176924][T18085] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [467.177247][T18085] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [467.177594][T18085] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [467.177928][T18085] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [467.178257][T18085] ? __lock_acquire (kernel/locking/lockdep.c:5240) [467.178602][T18085] netlink_sendmsg (net/netlink/af_netlink.c:1896) [467.178936][T18085] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [467.179306][T18085] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [467.179659][T18085] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [467.179992][T18085] ? __pfx_____sys_sendmsg (net/socket.c:2560) [467.180330][T18085] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [467.180744][T18085] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [467.181078][T18085] ___sys_sendmsg (net/socket.c:2670) [467.181417][T18085] ? __pfx____sys_sendmsg (net/socket.c:2657) [467.181743][T18085] ? __pfx_handle_pte_fault (mm/memory.c:6026) [467.182076][T18085] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [467.182428][T18085] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [467.182769][T18085] ? __handle_mm_fault (mm/memory.c:6212) [467.183124][T18085] ? __pfx___handle_mm_fault (mm/memory.c:6121) [467.183471][T18085] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [467.183817][T18085] __sys_sendmsg (net/socket.c:2700) [467.184196][T18085] ? __pfx___sys_sendmsg (net/socket.c:2685) [467.184558][T18085] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [467.184912][T18085] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [467.185246][T18085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [467.185591][T18085] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [467.185923][T18085] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 467.186337][T18085] RIP: 0033:0x7f9e7c6f11e7 [ 467.186687][T18085] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 467.187846][T18085] RSP: 002b:00007ffe48c00588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 467.188369][T18085] RAX: ffffffffffffffda RBX: 00007ffe48c00cb0 RCX: 00007f9e7c6f11e7 [ 467.188869][T18085] RDX: 0000000000000000 RSI: 00007ffe48c005f0 RDI: 0000000000000005 [ 467.189353][T18085] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 467.189851][T18085] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe48c00ce8 [ 467.190341][T18085] R13: 00000000686e0cc8 R14: 0000000000499600 R15: 0000000000000000 | [ 467.374320][T18087] ------------[ cut here ]------------ | [467.375042][T18087] WARNING: CPU: 3 PID: 18087 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 467.375970][T18087] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 467.377982][T18087] Tainted: [W]=WARN [ 467.378415][T18087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [467.379121][T18087] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 467.379714][T18087] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 467.381673][T18087] RSP: 0018:ffffc90005427080 EFLAGS: 00010246 [ 467.382378][T18087] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 467.383224][T18087] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 467.384072][T18087] RBP: ffffc90005427168 R08: 0000000000000000 R09: 0000000000000000 [ 467.384929][T18087] R10: ffffc90005427198 R11: ffffffff924a8918 R12: 1ffff92000a84e14 [ 467.385773][T18087] R13: 00000000000005dc R14: ffffc90005427198 R15: ffff888012042f08 [ 467.386627][T18087] FS: 00007f4873cf9800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 467.387610][T18087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 467.388307][T18087] CR2: 00000000004a1738 CR3: 000000000f01a005 CR4: 0000000000772ef0 [ 467.389171][T18087] PKRU: 55555554 [ 467.389601][T18087] Call Trace: [ 467.390013][T18087] [467.390289][T18087] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [467.390867][T18087] ? mark_held_locks (kernel/locking/lockdep.c:4328) [467.391421][T18087] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [467.392100][T18087] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [467.392703][T18087] netif_set_mtu (net/core/dev.c:9652) [467.393263][T18087] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [467.393846][T18087] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [467.394649][T18087] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [467.395072][T18087] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [467.395829][T18087] br_add_if (net/bridge/br_if.c:697) bridge [467.396489][T18087] do_set_master (net/core/rtnetlink.c:2948) [467.397040][T18087] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [467.397616][T18087] rtnl_newlink_create (net/core/rtnetlink.c:3840) [467.398167][T18087] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [467.398746][T18087] ? __dev_get_by_name (net/core/dev.c:865) [467.399302][T18087] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [467.399884][T18087] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [467.400450][T18087] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [467.401061][T18087] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [467.401632][T18087] __rtnl_newlink (net/core/rtnetlink.c:3942) [467.402216][T18087] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [467.402794][T18087] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [467.403420][T18087] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [467.404022][T18087] ? __lock_release (kernel/locking/lockdep.c:5539) [467.404603][T18087] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [467.405182][T18087] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [467.405748][T18087] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [467.406311][T18087] ? __lock_acquire (kernel/locking/lockdep.c:5240) [467.406908][T18087] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [467.407484][T18087] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [467.408035][T18087] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [467.408627][T18087] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [467.409168][T18087] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [467.409737][T18087] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [467.410322][T18087] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [467.410874][T18087] ? __lock_acquire (kernel/locking/lockdep.c:5240) [467.411481][T18087] netlink_sendmsg (net/netlink/af_netlink.c:1896) [467.412046][T18087] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [467.412615][T18087] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [467.413168][T18087] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [467.413697][T18087] ? __pfx_____sys_sendmsg (net/socket.c:2560) [467.414203][T18087] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [467.414889][T18087] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [467.415491][T18087] ___sys_sendmsg (net/socket.c:2670) [467.416057][T18087] ? __pfx____sys_sendmsg (net/socket.c:2657) [467.416636][T18087] ? __pfx_handle_pte_fault (mm/memory.c:6026) [467.417195][T18087] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [467.417786][T18087] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [467.418346][T18087] ? __handle_mm_fault (mm/memory.c:6212) [467.418905][T18087] ? __pfx___handle_mm_fault (mm/memory.c:6121) [467.419471][T18087] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [467.420036][T18087] __sys_sendmsg (net/socket.c:2700) [467.420618][T18087] ? __pfx___sys_sendmsg (net/socket.c:2685) [467.421167][T18087] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [467.421739][T18087] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [467.422299][T18087] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [467.422862][T18087] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [467.423412][T18087] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 467.424084][T18087] RIP: 0033:0x7f4873ec61e7 [ 467.424682][T18087] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 467.426651][T18087] RSP: 002b:00007ffc8c0ea438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 467.427481][T18087] RAX: ffffffffffffffda RBX: 00007ffc8c0eab60 RCX: 00007f4873ec61e7 [ 467.428298][T18087] RDX: 0000000000000000 RSI: 00007ffc8c0ea4a0 RDI: 0000000000000005 [ 467.429127][T18087] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 467.429945][T18087] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8c0eab98 [ 467.430789][T18087] R13: 00000000686e0cc9 R14: 0000000000499600 R15: 0000000000000000 | [ 467.616962][T18089] ------------[ cut here ]------------ | [467.617300][T18089] WARNING: CPU: 2 PID: 18089 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 467.618056][T18089] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 467.619256][T18089] Tainted: [W]=WARN [ 467.619525][T18089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [467.619942][T18089] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 467.620284][T18089] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 467.621433][T18089] RSP: 0018:ffffc90006807080 EFLAGS: 00010246 [ 467.621864][T18089] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 467.622522][T18089] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 467.623047][T18089] RBP: ffffc90006807168 R08: 0000000000000000 R09: 0000000000000000 [ 467.623562][T18089] R10: ffffc90006807198 R11: ffffffff924a8918 R12: 1ffff92000d00e14 [ 467.624070][T18089] R13: 00000000000005dc R14: ffffc90006807198 R15: ffff888012042f08 [ 467.624589][T18089] FS: 00007f292f70f800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 467.625200][T18089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 467.625637][T18089] CR2: 00000000004a1738 CR3: 000000001412a004 CR4: 0000000000772ef0 [ 467.626144][T18089] PKRU: 55555554 [ 467.626413][T18089] Call Trace: [ 467.626686][T18089] [467.626875][T18089] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [467.627228][T18089] ? mark_held_locks (kernel/locking/lockdep.c:4328) [467.627579][T18089] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [467.628004][T18089] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [467.628347][T18089] netif_set_mtu (net/core/dev.c:9652) [467.628701][T18089] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [467.629054][T18089] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [467.629549][T18089] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [467.629817][T18089] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [467.630279][T18089] br_add_if (net/bridge/br_if.c:697) bridge [467.630678][T18089] do_set_master (net/core/rtnetlink.c:2948) [467.631025][T18089] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [467.631373][T18089] rtnl_newlink_create (net/core/rtnetlink.c:3840) [467.631739][T18089] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [467.632098][T18089] ? __dev_get_by_name (net/core/dev.c:865) [467.632449][T18089] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [467.632793][T18089] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [467.633130][T18089] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [467.633476][T18089] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [467.633824][T18089] __rtnl_newlink (net/core/rtnetlink.c:3942) [467.634175][T18089] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [467.634540][T18089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [467.634909][T18089] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [467.635260][T18089] ? __lock_release (kernel/locking/lockdep.c:5539) [467.635630][T18089] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [467.635982][T18089] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [467.636329][T18089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [467.636724][T18089] ? __lock_acquire (kernel/locking/lockdep.c:5240) [467.637120][T18089] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [467.637486][T18089] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [467.637845][T18089] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [467.638208][T18089] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [467.638563][T18089] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [467.638909][T18089] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [467.639276][T18089] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [467.639658][T18089] ? __lock_acquire (kernel/locking/lockdep.c:5240) [467.640019][T18089] netlink_sendmsg (net/netlink/af_netlink.c:1896) [467.640360][T18089] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [467.640748][T18089] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [467.641095][T18089] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [467.641441][T18089] ? __pfx_____sys_sendmsg (net/socket.c:2560) [467.641799][T18089] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [467.642239][T18089] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [467.642593][T18089] ___sys_sendmsg (net/socket.c:2670) [467.642959][T18089] ? __pfx____sys_sendmsg (net/socket.c:2657) [467.643300][T18089] ? __pfx_handle_pte_fault (mm/memory.c:6026) [467.643673][T18089] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [467.644012][T18089] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [467.644376][T18089] ? __handle_mm_fault (mm/memory.c:6212) [467.644757][T18089] ? __pfx___handle_mm_fault (mm/memory.c:6121) [467.645102][T18089] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [467.645462][T18089] __sys_sendmsg (net/socket.c:2700) [467.645811][T18089] ? __pfx___sys_sendmsg (net/socket.c:2685) [467.646155][T18089] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [467.646523][T18089] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [467.646875][T18089] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [467.647225][T18089] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [467.647577][T18089] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 467.647996][T18089] RIP: 0033:0x7f292f8dc1e7 [ 467.648341][T18089] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 467.649508][T18089] RSP: 002b:00007ffd78fad3c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 467.650023][T18089] RAX: ffffffffffffffda RBX: 00007ffd78fadaf0 RCX: 00007f292f8dc1e7 [ 467.650525][T18089] RDX: 0000000000000000 RSI: 00007ffd78fad430 RDI: 0000000000000005 [ 467.651046][T18089] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 467.651554][T18089] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd78fadb28 [ 467.652050][T18089] R13: 00000000686e0cc9 R14: 0000000000499600 R15: 0000000000000000 | [ 467.845375][T18090] ------------[ cut here ]------------ | [467.845956][T18090] WARNING: CPU: 1 PID: 18090 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 467.846620][T18090] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 467.847784][T18090] Tainted: [W]=WARN [ 467.848020][T18090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [467.848423][T18090] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 467.848747][T18090] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 467.849933][T18090] RSP: 0018:ffffc90005427080 EFLAGS: 00010246 [ 467.850340][T18090] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 467.850831][T18090] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 467.851307][T18090] RBP: ffffc90005427168 R08: 0000000000000000 R09: 0000000000000000 [ 467.851796][T18090] R10: ffffc90005427198 R11: ffffffff924a8918 R12: 1ffff92000a84e14 [ 467.852271][T18090] R13: 00000000000005dc R14: ffffc90005427198 R15: ffff888012042f08 [ 467.852751][T18090] FS: 00007f71d34cd800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 467.853329][T18090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 467.853739][T18090] CR2: 00000000004a1738 CR3: 000000000f01a001 CR4: 0000000000772ef0 [ 467.854226][T18090] PKRU: 55555554 [ 467.854476][T18090] Call Trace: [ 467.854734][T18090] [467.854901][T18090] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [467.855221][T18090] ? mark_held_locks (kernel/locking/lockdep.c:4328) [467.855553][T18090] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [467.855949][T18090] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [467.856263][T18090] netif_set_mtu (net/core/dev.c:9652) [467.856594][T18090] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [467.856928][T18090] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [467.857362][T18090] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [467.857612][T18090] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [467.858079][T18090] br_add_if (net/bridge/br_if.c:697) bridge [467.858491][T18090] do_set_master (net/core/rtnetlink.c:2948) [467.858810][T18090] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [467.859126][T18090] rtnl_newlink_create (net/core/rtnetlink.c:3840) [467.859456][T18090] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [467.859764][T18090] ? __dev_get_by_name (net/core/dev.c:865) [467.860076][T18090] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [467.860401][T18090] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [467.860723][T18090] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [467.861034][T18090] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [467.861350][T18090] __rtnl_newlink (net/core/rtnetlink.c:3942) [467.861685][T18090] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [467.862002][T18090] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [467.862382][T18090] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [467.862709][T18090] ? __lock_release (kernel/locking/lockdep.c:5539) [467.863034][T18090] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [467.863357][T18090] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [467.863685][T18090] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [467.864002][T18090] ? __lock_acquire (kernel/locking/lockdep.c:5240) [467.864360][T18090] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [467.864702][T18090] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [467.865019][T18090] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [467.865562][T18090] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [467.865879][T18090] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [467.866211][T18090] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [467.866540][T18090] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [467.866850][T18090] ? __lock_acquire (kernel/locking/lockdep.c:5240) [467.867182][T18090] netlink_sendmsg (net/netlink/af_netlink.c:1896) [467.867510][T18090] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [467.867823][T18090] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [467.868157][T18090] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [467.868486][T18090] ? __pfx_____sys_sendmsg (net/socket.c:2560) [467.868798][T18090] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [467.869302][T18090] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [467.869636][T18090] ___sys_sendmsg (net/socket.c:2670) [467.869951][T18090] ? __pfx____sys_sendmsg (net/socket.c:2657) [467.870263][T18090] ? __pfx_handle_pte_fault (mm/memory.c:6026) [467.870607][T18090] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [467.870920][T18090] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [467.871271][T18090] ? __handle_mm_fault (mm/memory.c:6212) [467.871603][T18090] ? __pfx___handle_mm_fault (mm/memory.c:6121) [467.871918][T18090] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [467.872246][T18090] __sys_sendmsg (net/socket.c:2700) [467.872581][T18090] ? __pfx___sys_sendmsg (net/socket.c:2685) [467.872895][T18090] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [467.873221][T18090] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [467.873564][T18090] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [467.873899][T18090] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [467.874214][T18090] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 467.874624][T18090] RIP: 0033:0x7f71d369a1e7 [ 467.874948][T18090] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 467.876802][T18090] RSP: 002b:00007ffc30612948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 467.877684][T18090] RAX: ffffffffffffffda RBX: 00007ffc30613070 RCX: 00007f71d369a1e7 [ 467.878568][T18090] RDX: 0000000000000000 RSI: 00007ffc306129b0 RDI: 0000000000000005 [ 467.879415][T18090] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 467.880246][T18090] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc306130a8 [ 467.881121][T18090] R13: 00000000686e0cc9 R14: 0000000000499600 R15: 0000000000000000 | [ 468.043943][T18092] ------------[ cut here ]------------ | [468.044564][T18092] WARNING: CPU: 0 PID: 18092 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 468.045379][T18092] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 468.046914][T18092] Tainted: [W]=WARN [ 468.047226][T18092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [468.047753][T18092] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 468.048167][T18092] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 468.049595][T18092] RSP: 0018:ffffc900067f7080 EFLAGS: 00010246 [ 468.050090][T18092] RAX: 0000000000000000 RBX: ffff888012042000 RCX: 0000000000000001 [ 468.050669][T18092] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 468.051289][T18092] RBP: ffffc900067f7168 R08: 0000000000000000 R09: 0000000000000000 [ 468.051901][T18092] R10: ffffc900067f7198 R11: ffffffff924a8918 R12: 1ffff92000cfee14 [ 468.052506][T18092] R13: 00000000000005dc R14: ffffc900067f7198 R15: ffff888012042f08 [ 468.053176][T18092] FS: 00007f7264ee3800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 468.053903][T18092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 468.054478][T18092] CR2: 00000000004a1738 CR3: 000000000f01a006 CR4: 0000000000772ef0 [ 468.055088][T18092] PKRU: 55555554 [ 468.055371][T18092] Call Trace: [ 468.055653][T18092] [468.055843][T18092] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [468.056223][T18092] ? mark_held_locks (kernel/locking/lockdep.c:4328) [468.056565][T18092] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [468.057019][T18092] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [468.057403][T18092] netif_set_mtu (net/core/dev.c:9652) [468.057765][T18092] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [468.058136][T18092] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [468.058648][T18092] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [468.058918][T18092] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [468.059408][T18092] br_add_if (net/bridge/br_if.c:697) bridge [468.059810][T18092] do_set_master (net/core/rtnetlink.c:2948) [468.060178][T18092] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [468.060552][T18092] rtnl_newlink_create (net/core/rtnetlink.c:3840) [468.060909][T18092] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [468.061265][T18092] ? __dev_get_by_name (net/core/dev.c:865) [468.061635][T18092] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [468.061967][T18092] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [468.062353][T18092] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [468.062738][T18092] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [468.063109][T18092] __rtnl_newlink (net/core/rtnetlink.c:3942) [468.063530][T18092] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [468.063931][T18092] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [468.064313][T18092] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [468.064710][T18092] ? __lock_release (kernel/locking/lockdep.c:5539) [468.065094][T18092] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [468.065467][T18092] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [468.065817][T18092] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [468.066173][T18092] ? __lock_acquire (kernel/locking/lockdep.c:5240) [468.066512][T18092] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [468.066865][T18092] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [468.067218][T18092] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [468.067613][T18092] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [468.067958][T18092] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [468.068319][T18092] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [468.068694][T18092] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [468.069056][T18092] ? __lock_acquire (kernel/locking/lockdep.c:5240) [468.069427][T18092] netlink_sendmsg (net/netlink/af_netlink.c:1896) [468.069789][T18092] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [468.070168][T18092] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [468.070562][T18092] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [468.070935][T18092] ? __pfx_____sys_sendmsg (net/socket.c:2560) [468.071270][T18092] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [468.071748][T18092] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [468.072131][T18092] ___sys_sendmsg (net/socket.c:2670) [468.072558][T18092] ? __pfx____sys_sendmsg (net/socket.c:2657) [468.072943][T18092] ? __pfx_handle_pte_fault (mm/memory.c:6026) [468.073322][T18092] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [468.073723][T18092] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [468.074117][T18092] ? __handle_mm_fault (mm/memory.c:6212) [468.074510][T18092] ? __pfx___handle_mm_fault (mm/memory.c:6121) [468.074874][T18092] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [468.075210][T18092] __sys_sendmsg (net/socket.c:2700) [468.075582][T18092] ? __pfx___sys_sendmsg (net/socket.c:2685) [468.075931][T18092] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [468.076319][T18092] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [468.076706][T18092] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [468.077068][T18092] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [468.077438][T18092] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 468.077877][T18092] RIP: 0033:0x7f72650b01e7 [ 468.078272][T18092] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 468.079591][T18092] RSP: 002b:00007ffd51c8c618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 468.080139][T18092] RAX: ffffffffffffffda RBX: 00007ffd51c8cd40 RCX: 00007f72650b01e7 [ 468.080710][T18092] RDX: 0000000000000000 RSI: 00007ffd51c8c680 RDI: 0000000000000005 [ 468.081298][T18092] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 468.081892][T18092] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd51c8cd78 [ 468.082456][T18092] R13: 00000000686e0cc9 R14: 0000000000499600 R15: 0000000000000000 | [ 468.498050][T18098] ------------[ cut here ]------------ | [468.498364][T18098] WARNING: CPU: 3 PID: 18098 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 468.498995][T18098] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 468.500123][T18098] Tainted: [W]=WARN [ 468.500359][T18098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [468.500760][T18098] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 468.501088][T18098] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 468.502445][T18098] RSP: 0018:ffffc90005427080 EFLAGS: 00010246 [ 468.502840][T18098] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 468.503310][T18098] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 468.503786][T18098] RBP: ffffc90005427168 R08: 0000000000000000 R09: 0000000000000000 [ 468.504253][T18098] R10: ffffc90005427198 R11: ffffffff924a8918 R12: 1ffff92000a84e14 [ 468.504736][T18098] R13: 00000000000005dc R14: ffffc90005427198 R15: ffff8880132a2f08 [ 468.505200][T18098] FS: 00007fc3e48e8800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 468.505749][T18098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 468.506146][T18098] CR2: 00000000004a1738 CR3: 0000000012196005 CR4: 0000000000772ef0 [ 468.506622][T18098] PKRU: 55555554 [ 468.506860][T18098] Call Trace: [ 468.507096][T18098] [468.507257][T18098] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [468.507584][T18098] ? mark_held_locks (kernel/locking/lockdep.c:4328) [468.507899][T18098] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [468.508289][T18098] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [468.508615][T18098] netif_set_mtu (net/core/dev.c:9652) [468.508929][T18098] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [468.509253][T18098] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [468.509697][T18098] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [468.509934][T18098] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [468.510373][T18098] br_add_if (net/bridge/br_if.c:697) bridge [468.510744][T18098] do_set_master (net/core/rtnetlink.c:2948) [468.511057][T18098] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [468.511374][T18098] rtnl_newlink_create (net/core/rtnetlink.c:3840) [468.511698][T18098] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [468.512007][T18098] ? __dev_get_by_name (net/core/dev.c:865) [468.512321][T18098] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [468.512641][T18098] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [468.512961][T18098] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [468.513271][T18098] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [468.513607][T18098] __rtnl_newlink (net/core/rtnetlink.c:3942) [468.513940][T18098] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [468.514260][T18098] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [468.514603][T18098] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [468.514918][T18098] ? __lock_release (kernel/locking/lockdep.c:5539) [468.515243][T18098] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [468.515567][T18098] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [468.515885][T18098] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [468.516207][T18098] ? __lock_acquire (kernel/locking/lockdep.c:5240) [468.516537][T18098] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [468.516853][T18098] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [468.517168][T18098] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [468.517506][T18098] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [468.517855][T18098] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [468.518177][T18098] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [468.518504][T18098] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [468.518828][T18098] ? __lock_acquire (kernel/locking/lockdep.c:5240) [468.519167][T18098] netlink_sendmsg (net/netlink/af_netlink.c:1896) [468.519501][T18098] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [468.519830][T18098] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [468.520165][T18098] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [468.520494][T18098] ? __pfx_____sys_sendmsg (net/socket.c:2560) [468.520820][T18098] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [468.521233][T18098] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [468.521574][T18098] ___sys_sendmsg (net/socket.c:2670) [468.521912][T18098] ? __pfx____sys_sendmsg (net/socket.c:2657) [468.522246][T18098] ? __pfx_handle_pte_fault (mm/memory.c:6026) [468.522586][T18098] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [468.522916][T18098] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [468.523248][T18098] ? __handle_mm_fault (mm/memory.c:6212) [468.523589][T18098] ? __pfx___handle_mm_fault (mm/memory.c:6121) [468.523920][T18098] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [468.524269][T18098] __sys_sendmsg (net/socket.c:2700) [468.524618][T18098] ? __pfx___sys_sendmsg (net/socket.c:2685) [468.524951][T18098] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [468.525277][T18098] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [468.525615][T18098] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [468.525945][T18098] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [468.526270][T18098] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 468.526692][T18098] RIP: 0033:0x7fc3e4ab51e7 [ 468.527034][T18098] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 468.528220][T18098] RSP: 002b:00007ffe583e2708 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 468.528727][T18098] RAX: ffffffffffffffda RBX: 00007ffe583e2e30 RCX: 00007fc3e4ab51e7 [ 468.529231][T18098] RDX: 0000000000000000 RSI: 00007ffe583e2770 RDI: 0000000000000005 [ 468.529718][T18098] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 468.530199][T18098] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe583e2e68 [ 468.530686][T18098] R13: 00000000686e0cca R14: 0000000000499600 R15: 0000000000000000 | [ 468.693423][T18099] ------------[ cut here ]------------ | [468.693754][T18099] WARNING: CPU: 2 PID: 18099 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 468.694405][T18099] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 468.695669][T18099] Tainted: [W]=WARN [ 468.695930][T18099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [468.696334][T18099] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 468.696717][T18099] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 468.697880][T18099] RSP: 0018:ffffc90006817080 EFLAGS: 00010246 [ 468.698321][T18099] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 468.698828][T18099] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 468.699320][T18099] RBP: ffffc90006817168 R08: 0000000000000000 R09: 0000000000000000 [ 468.699816][T18099] R10: ffffc90006817198 R11: ffffffff924a8918 R12: 1ffff92000d02e14 [ 468.700322][T18099] R13: 00000000000005dc R14: ffffc90006817198 R15: ffff8880132a2f08 [ 468.700815][T18099] FS: 00007ffa90158800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 468.701379][T18099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 468.701793][T18099] CR2: 00000000004a1738 CR3: 000000000f4cf003 CR4: 0000000000772ef0 [ 468.702297][T18099] PKRU: 55555554 [ 468.702566][T18099] Call Trace: [ 468.702815][T18099] [468.702993][T18099] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [468.703328][T18099] ? mark_held_locks (kernel/locking/lockdep.c:4328) [468.703667][T18099] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [468.704078][T18099] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [468.704416][T18099] netif_set_mtu (net/core/dev.c:9652) [468.704764][T18099] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [468.705113][T18099] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [468.705576][T18099] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [468.705831][T18099] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [468.706293][T18099] br_add_if (net/bridge/br_if.c:697) bridge [468.706679][T18099] do_set_master (net/core/rtnetlink.c:2948) [468.707007][T18099] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [468.707336][T18099] rtnl_newlink_create (net/core/rtnetlink.c:3840) [468.707680][T18099] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [468.708007][T18099] ? __dev_get_by_name (net/core/dev.c:865) [468.708333][T18099] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [468.708674][T18099] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [468.709019][T18099] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [468.709343][T18099] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [468.709691][T18099] __rtnl_newlink (net/core/rtnetlink.c:3942) [468.710034][T18099] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [468.710367][T18099] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [468.710741][T18099] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [468.711069][T18099] ? __lock_release (kernel/locking/lockdep.c:5539) [468.711409][T18099] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [468.711738][T18099] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [468.712066][T18099] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [468.712424][T18099] ? __lock_acquire (kernel/locking/lockdep.c:5240) [468.712762][T18099] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [468.713089][T18099] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [468.713428][T18099] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [468.713764][T18099] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [468.714087][T18099] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [468.714430][T18099] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [468.714781][T18099] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [468.715125][T18099] ? __lock_acquire (kernel/locking/lockdep.c:5240) [468.715473][T18099] netlink_sendmsg (net/netlink/af_netlink.c:1896) [468.715809][T18099] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [468.716139][T18099] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [468.716492][T18099] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [468.716822][T18099] ? __pfx_____sys_sendmsg (net/socket.c:2560) [468.717156][T18099] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [468.717578][T18099] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [468.717913][T18099] ___sys_sendmsg (net/socket.c:2670) [468.718241][T18099] ? __pfx____sys_sendmsg (net/socket.c:2657) [468.718580][T18099] ? __pfx_handle_pte_fault (mm/memory.c:6026) [468.718911][T18099] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [468.719247][T18099] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [468.719591][T18099] ? __handle_mm_fault (mm/memory.c:6212) [468.719930][T18099] ? __pfx___handle_mm_fault (mm/memory.c:6121) [468.720251][T18099] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [468.720604][T18099] __sys_sendmsg (net/socket.c:2700) [468.720939][T18099] ? __pfx___sys_sendmsg (net/socket.c:2685) [468.721269][T18099] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [468.721611][T18099] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [468.721957][T18099] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [468.722319][T18099] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [468.722671][T18099] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 468.723077][T18099] RIP: 0033:0x7ffa903251e7 [ 468.723431][T18099] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 468.724626][T18099] RSP: 002b:00007ffd04c9bda8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 468.725140][T18099] RAX: ffffffffffffffda RBX: 00007ffd04c9c4d0 RCX: 00007ffa903251e7 [ 468.725656][T18099] RDX: 0000000000000000 RSI: 00007ffd04c9be10 RDI: 0000000000000005 [ 468.726157][T18099] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 468.726687][T18099] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd04c9c508 [ 468.727450][T18099] R13: 00000000686e0cca R14: 0000000000499600 R15: 0000000000000000 | [ 468.884913][T18101] ------------[ cut here ]------------ | [468.885249][T18101] WARNING: CPU: 2 PID: 18101 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 468.886036][T18101] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 468.887293][T18101] Tainted: [W]=WARN [ 468.887554][T18101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [468.887966][T18101] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 468.888304][T18101] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 468.889479][T18101] RSP: 0018:ffffc90006817080 EFLAGS: 00010246 [ 468.889903][T18101] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 468.890407][T18101] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 468.890896][T18101] RBP: ffffc90006817168 R08: 0000000000000000 R09: 0000000000000000 [ 468.891408][T18101] R10: ffffc90006817198 R11: ffffffff924a8918 R12: 1ffff92000d02e14 [ 468.891900][T18101] R13: 00000000000005dc R14: ffffc90006817198 R15: ffff8880132a2f08 [ 468.892433][T18101] FS: 00007f3426e8f800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 468.893070][T18101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 468.893509][T18101] CR2: 00007f34270a35c0 CR3: 000000000f4cf006 CR4: 0000000000772ef0 [ 468.894033][T18101] PKRU: 55555554 [ 468.894297][T18101] Call Trace: [ 468.894568][T18101] [468.894763][T18101] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [468.895107][T18101] ? mark_held_locks (kernel/locking/lockdep.c:4328) [468.895447][T18101] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [468.895960][T18101] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [468.896540][T18101] netif_set_mtu (net/core/dev.c:9652) [468.897104][T18101] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [468.897685][T18101] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [468.898496][T18101] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [468.898951][T18101] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [468.899772][T18101] br_add_if (net/bridge/br_if.c:697) bridge [468.900477][T18101] do_set_master (net/core/rtnetlink.c:2948) [468.901074][T18101] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [468.901693][T18101] rtnl_newlink_create (net/core/rtnetlink.c:3840) [468.902297][T18101] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [468.902898][T18101] ? __dev_get_by_name (net/core/dev.c:865) [468.903501][T18101] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [468.904095][T18101] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [468.904751][T18101] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [468.905325][T18101] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [468.905895][T18101] __rtnl_newlink (net/core/rtnetlink.c:3942) [468.906533][T18101] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [468.907151][T18101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [468.907779][T18101] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [468.908348][T18101] ? __lock_release (kernel/locking/lockdep.c:5539) [468.908955][T18101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [468.909560][T18101] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [468.910160][T18101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [468.910766][T18101] ? __lock_acquire (kernel/locking/lockdep.c:5240) [468.911404][T18101] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [468.912020][T18101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [468.912638][T18101] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [468.913162][T18101] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [468.913535][T18101] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [468.913875][T18101] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [468.914222][T18101] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [468.914587][T18101] ? __lock_acquire (kernel/locking/lockdep.c:5240) [468.914951][T18101] netlink_sendmsg (net/netlink/af_netlink.c:1896) [468.915294][T18101] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [468.915656][T18101] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [468.916002][T18101] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [468.916348][T18101] ? __pfx_____sys_sendmsg (net/socket.c:2560) [468.916732][T18101] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [468.917155][T18101] ___sys_sendmsg (net/socket.c:2670) [468.917501][T18101] ? __pfx____sys_sendmsg (net/socket.c:2657) [468.917833][T18101] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [468.918162][T18101] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [468.918513][T18101] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [468.918849][T18101] ? __lock_acquire (kernel/locking/lockdep.c:5240) [468.919189][T18101] ? find_held_lock (kernel/locking/lockdep.c:5353) [468.919533][T18101] __sys_sendmsg (net/socket.c:2700) [468.919865][T18101] ? __pfx___sys_sendmsg (net/socket.c:2685) [468.920225][T18101] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [468.920628][T18101] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [468.920983][T18101] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 468.921423][T18101] RIP: 0033:0x7f342705c1e7 [ 468.921783][T18101] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 468.922987][T18101] RSP: 002b:00007fff005c62b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 468.923524][T18101] RAX: ffffffffffffffda RBX: 00007fff005c69e0 RCX: 00007f342705c1e7 [ 468.924035][T18101] RDX: 0000000000000000 RSI: 00007fff005c6320 RDI: 0000000000000005 [ 468.924589][T18101] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 468.925137][T18101] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff005c6a18 [ 468.925680][T18101] R13: 00000000686e0cca R14: 0000000000499600 R15: 0000000000000000 | [ 469.092734][T18103] ------------[ cut here ]------------ | [469.093046][T18103] WARNING: CPU: 3 PID: 18103 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 469.093733][T18103] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 469.094929][T18103] Tainted: [W]=WARN [ 469.095178][T18103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [469.095580][T18103] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 469.095931][T18103] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 469.097062][T18103] RSP: 0018:ffffc90008657080 EFLAGS: 00010246 [ 469.097467][T18103] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 469.097940][T18103] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 469.098422][T18103] RBP: ffffc90008657168 R08: 0000000000000000 R09: 0000000000000000 [ 469.098893][T18103] R10: ffffc90008657198 R11: ffffffff924a8918 R12: 1ffff920010cae14 [ 469.099364][T18103] R13: 00000000000005dc R14: ffffc90008657198 R15: ffff8880132a2f08 [ 469.099841][T18103] FS: 00007f56784ec800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 469.100412][T18103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 469.100813][T18103] CR2: 00000000004a1738 CR3: 0000000012d00001 CR4: 0000000000772ef0 [ 469.101283][T18103] PKRU: 55555554 [ 469.101525][T18103] Call Trace: [ 469.101759][T18103] [469.101924][T18103] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [469.102246][T18103] ? mark_held_locks (kernel/locking/lockdep.c:4328) [469.102574][T18103] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [469.102972][T18103] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [469.103294][T18103] netif_set_mtu (net/core/dev.c:9652) [469.103625][T18103] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [469.103953][T18103] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [469.104413][T18103] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [469.104700][T18103] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [469.105131][T18103] br_add_if (net/bridge/br_if.c:697) bridge [469.105509][T18103] do_set_master (net/core/rtnetlink.c:2948) [469.105826][T18103] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [469.106146][T18103] rtnl_newlink_create (net/core/rtnetlink.c:3840) [469.106502][T18103] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [469.106813][T18103] ? __dev_get_by_name (net/core/dev.c:865) [469.107130][T18103] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [469.107454][T18103] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [469.107780][T18103] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [469.108095][T18103] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [469.108425][T18103] __rtnl_newlink (net/core/rtnetlink.c:3942) [469.108750][T18103] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [469.109070][T18103] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [469.109406][T18103] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [469.109717][T18103] ? __lock_release (kernel/locking/lockdep.c:5539) [469.110034][T18103] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [469.110351][T18103] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [469.110697][T18103] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [469.111018][T18103] ? __lock_acquire (kernel/locking/lockdep.c:5240) [469.111335][T18103] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [469.111691][T18103] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [469.112008][T18103] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [469.112343][T18103] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [469.112664][T18103] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [469.113011][T18103] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [469.113347][T18103] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [469.113671][T18103] ? __lock_acquire (kernel/locking/lockdep.c:5240) [469.113993][T18103] netlink_sendmsg (net/netlink/af_netlink.c:1896) [469.114324][T18103] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [469.114678][T18103] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [469.115007][T18103] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [469.115327][T18103] ? __pfx_____sys_sendmsg (net/socket.c:2560) [469.115647][T18103] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [469.116058][T18103] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [469.116399][T18103] ___sys_sendmsg (net/socket.c:2670) [469.116722][T18103] ? __pfx____sys_sendmsg (net/socket.c:2657) [469.117052][T18103] ? __pfx_handle_pte_fault (mm/memory.c:6026) [469.117379][T18103] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [469.117716][T18103] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [469.118088][T18103] ? __handle_mm_fault (mm/memory.c:6212) [469.118419][T18103] ? __pfx___handle_mm_fault (mm/memory.c:6121) [469.118749][T18103] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [469.119097][T18103] __sys_sendmsg (net/socket.c:2700) [469.119439][T18103] ? __pfx___sys_sendmsg (net/socket.c:2685) [469.119795][T18103] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [469.120125][T18103] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [469.120457][T18103] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [469.120793][T18103] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [469.121140][T18103] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 469.121549][T18103] RIP: 0033:0x7f56786b91e7 [ 469.121885][T18103] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 469.123045][T18103] RSP: 002b:00007ffe03d06798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 469.123530][T18103] RAX: ffffffffffffffda RBX: 00007ffe03d06ec0 RCX: 00007f56786b91e7 [ 469.124029][T18103] RDX: 0000000000000000 RSI: 00007ffe03d06800 RDI: 0000000000000005 [ 469.124512][T18103] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 469.125002][T18103] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe03d06ef8 [ 469.125481][T18103] R13: 00000000686e0cca R14: 0000000000499600 R15: 0000000000000000 | [ 469.286964][T18105] ------------[ cut here ]------------ | [469.287295][T18105] WARNING: CPU: 2 PID: 18105 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 469.287959][T18105] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 469.289200][T18105] Tainted: [W]=WARN [ 469.289476][T18105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [469.289900][T18105] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 469.290255][T18105] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 469.291417][T18105] RSP: 0018:ffffc90008657080 EFLAGS: 00010246 [ 469.291829][T18105] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 469.292316][T18105] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 469.292812][T18105] RBP: ffffc90008657168 R08: 0000000000000000 R09: 0000000000000000 [ 469.293305][T18105] R10: ffffc90008657198 R11: ffffffff924a8918 R12: 1ffff920010cae14 [ 469.293795][T18105] R13: 00000000000005dc R14: ffffc90008657198 R15: ffff8880132a2f08 [ 469.294281][T18105] FS: 00007f495cdfb800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 469.294872][T18105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 469.295286][T18105] CR2: 00007f495d00f5c0 CR3: 000000001347d001 CR4: 0000000000772ef0 [ 469.295784][T18105] PKRU: 55555554 [ 469.296035][T18105] Call Trace: [ 469.296286][T18105] [469.296472][T18105] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [469.296811][T18105] ? mark_held_locks (kernel/locking/lockdep.c:4328) [469.297148][T18105] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [469.297572][T18105] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [469.297905][T18105] netif_set_mtu (net/core/dev.c:9652) [469.298236][T18105] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [469.298596][T18105] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [469.299097][T18105] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [469.299358][T18105] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [469.299834][T18105] br_add_if (net/bridge/br_if.c:697) bridge [469.300232][T18105] do_set_master (net/core/rtnetlink.c:2948) [469.300582][T18105] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [469.300929][T18105] rtnl_newlink_create (net/core/rtnetlink.c:3840) [469.301273][T18105] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [469.301627][T18105] ? __dev_get_by_name (net/core/dev.c:865) [469.302020][T18105] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [469.302374][T18105] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [469.302746][T18105] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [469.303077][T18105] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [469.303422][T18105] __rtnl_newlink (net/core/rtnetlink.c:3942) [469.303783][T18105] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [469.304119][T18105] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [469.304471][T18105] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [469.304814][T18105] ? __lock_release (kernel/locking/lockdep.c:5539) [469.305144][T18105] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [469.305481][T18105] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [469.305812][T18105] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [469.306153][T18105] ? __lock_acquire (kernel/locking/lockdep.c:5240) [469.306501][T18105] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [469.306837][T18105] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [469.307175][T18105] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [469.307522][T18105] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [469.307849][T18105] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [469.308178][T18105] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [469.308521][T18105] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [469.308852][T18105] ? __lock_acquire (kernel/locking/lockdep.c:5240) [469.309188][T18105] netlink_sendmsg (net/netlink/af_netlink.c:1896) [469.309530][T18105] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [469.309862][T18105] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [469.310231][T18105] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [469.310582][T18105] ? __pfx_____sys_sendmsg (net/socket.c:2560) [469.310913][T18105] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [469.311337][T18105] ___sys_sendmsg (net/socket.c:2670) [469.311713][T18105] ? __pfx____sys_sendmsg (net/socket.c:2657) [469.312056][T18105] ? __pfx_handle_pte_fault (mm/memory.c:6026) [469.312406][T18105] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [469.312741][T18105] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [469.313079][T18105] ? __handle_mm_fault (mm/memory.c:6212) [469.313426][T18105] ? __pfx___handle_mm_fault (mm/memory.c:6121) [469.313751][T18105] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [469.314099][T18105] __sys_sendmsg (net/socket.c:2700) [469.314438][T18105] ? __pfx___sys_sendmsg (net/socket.c:2685) [469.314804][T18105] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [469.315152][T18105] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [469.315498][T18105] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [469.315835][T18105] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [469.316191][T18105] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 469.316627][T18105] RIP: 0033:0x7f495cfc81e7 [ 469.316976][T18105] Code: Unable to access opcode bytes at 0x7f495cfc81bd. Code starting with the faulting instruction =========================================== [ 469.317427][T18105] RSP: 002b:00007ffeaad1cf48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 469.317925][T18105] RAX: ffffffffffffffda RBX: 00007ffeaad1d670 RCX: 00007f495cfc81e7 [ 469.318432][T18105] RDX: 0000000000000000 RSI: 00007ffeaad1cfb0 RDI: 0000000000000005 [ 469.318917][T18105] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 469.319408][T18105] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeaad1d6a8 [ 469.319895][T18105] R13: 00000000686e0cca R14: 0000000000499600 R15: 0000000000000000 | [ 469.540265][T18107] ------------[ cut here ]------------ | [469.540605][T18107] WARNING: CPU: 0 PID: 18107 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 469.541288][T18107] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 469.542957][T18107] Tainted: [W]=WARN [ 469.543383][T18107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [469.544084][T18107] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 469.544700][T18107] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 469.546742][T18107] RSP: 0018:ffffc90008667080 EFLAGS: 00010246 [ 469.547469][T18107] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 469.548340][T18107] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 469.549343][T18107] RBP: ffffc90008667168 R08: 0000000000000000 R09: 0000000000000000 [ 469.550224][T18107] R10: ffffc90008667198 R11: ffffffff924a8918 R12: 1ffff920010cce14 [ 469.551088][T18107] R13: 00000000000005dc R14: ffffc90008667198 R15: ffff8880132a2f08 [ 469.551968][T18107] FS: 00007f3ef58ff800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 469.552915][T18107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 469.553635][T18107] CR2: 00007f53523a61b4 CR3: 00000000137f5003 CR4: 0000000000772ef0 [ 469.554482][T18107] PKRU: 55555554 [ 469.554921][T18107] Call Trace: [ 469.555354][T18107] [469.555655][T18107] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [469.556242][T18107] ? mark_held_locks (kernel/locking/lockdep.c:4328) [469.556793][T18107] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [469.557506][T18107] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [469.558076][T18107] netif_set_mtu (net/core/dev.c:9652) [469.558674][T18107] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [469.559282][T18107] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [469.560091][T18107] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [469.560567][T18107] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [469.561343][T18107] br_add_if (net/bridge/br_if.c:697) bridge [469.562026][T18107] do_set_master (net/core/rtnetlink.c:2948) [469.562548][T18107] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [469.562908][T18107] rtnl_newlink_create (net/core/rtnetlink.c:3840) [469.563246][T18107] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [469.563570][T18107] ? __dev_get_by_name (net/core/dev.c:865) [469.563918][T18107] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [469.564258][T18107] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [469.564586][T18107] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [469.564922][T18107] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [469.565260][T18107] __rtnl_newlink (net/core/rtnetlink.c:3942) [469.565619][T18107] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [469.565941][T18107] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [469.566278][T18107] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [469.566607][T18107] ? __lock_release (kernel/locking/lockdep.c:5539) [469.566925][T18107] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [469.567250][T18107] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [469.567594][T18107] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [469.567942][T18107] ? __lock_acquire (kernel/locking/lockdep.c:5240) [469.568277][T18107] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [469.568603][T18107] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [469.568938][T18107] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [469.569302][T18107] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [469.569674][T18107] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [469.569995][T18107] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [469.570354][T18107] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [469.570695][T18107] ? __lock_acquire (kernel/locking/lockdep.c:5240) [469.571053][T18107] netlink_sendmsg (net/netlink/af_netlink.c:1896) [469.571495][T18107] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [469.571837][T18107] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [469.572189][T18107] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [469.572529][T18107] ? __pfx_____sys_sendmsg (net/socket.c:2560) [469.572850][T18107] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [469.573260][T18107] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [469.573587][T18107] ___sys_sendmsg (net/socket.c:2670) [469.573906][T18107] ? __pfx____sys_sendmsg (net/socket.c:2657) [469.574252][T18107] ? __pfx_handle_pte_fault (mm/memory.c:6026) [469.574632][T18107] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [469.574965][T18107] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [469.575306][T18107] ? __handle_mm_fault (mm/memory.c:6212) [469.575636][T18107] ? __pfx___handle_mm_fault (mm/memory.c:6121) [469.575951][T18107] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [469.576301][T18107] __sys_sendmsg (net/socket.c:2700) [469.576648][T18107] ? __pfx___sys_sendmsg (net/socket.c:2685) [469.576978][T18107] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [469.577345][T18107] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [469.577715][T18107] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [469.578043][T18107] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [469.578372][T18107] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 469.578779][T18107] RIP: 0033:0x7f3ef5acc1e7 [ 469.579141][T18107] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 469.580612][T18107] RSP: 002b:00007fff7baa1d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 469.581107][T18107] RAX: ffffffffffffffda RBX: 00007fff7baa24c0 RCX: 00007f3ef5acc1e7 [ 469.581587][T18107] RDX: 0000000000000000 RSI: 00007fff7baa1e00 RDI: 0000000000000005 [ 469.582070][T18107] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 469.582554][T18107] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff7baa24f8 [ 469.583032][T18107] R13: 00000000686e0ccb R14: 0000000000499600 R15: 0000000000000000 | [ 469.764416][T18110] ------------[ cut here ]------------ | [469.764775][T18110] WARNING: CPU: 0 PID: 18110 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 469.765488][T18110] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 469.766738][T18110] Tainted: [W]=WARN [ 469.767001][T18110] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [469.767457][T18110] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 469.767808][T18110] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 469.769048][T18110] RSP: 0018:ffffc90006827080 EFLAGS: 00010246 [ 469.769501][T18110] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 469.770030][T18110] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 469.770575][T18110] RBP: ffffc90006827168 R08: 0000000000000000 R09: 0000000000000000 [ 469.771114][T18110] R10: ffffc90006827198 R11: ffffffff924a8918 R12: 1ffff92000d04e14 [ 469.771649][T18110] R13: 00000000000005dc R14: ffffc90006827198 R15: ffff8880132a2f08 [ 469.772164][T18110] FS: 00007f86867c8800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 469.772776][T18110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 469.773231][T18110] CR2: 00000000004a1738 CR3: 000000000e018001 CR4: 0000000000772ef0 [ 469.773757][T18110] PKRU: 55555554 [ 469.774017][T18110] Call Trace: [ 469.774278][T18110] [469.774463][T18110] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [469.774836][T18110] ? mark_held_locks (kernel/locking/lockdep.c:4328) [469.775187][T18110] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [469.775632][T18110] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [469.775984][T18110] netif_set_mtu (net/core/dev.c:9652) [469.776327][T18110] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [469.776691][T18110] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [469.777168][T18110] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [469.777434][T18110] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [469.777910][T18110] br_add_if (net/bridge/br_if.c:697) bridge [469.778302][T18110] do_set_master (net/core/rtnetlink.c:2948) [469.778651][T18110] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [469.778996][T18110] rtnl_newlink_create (net/core/rtnetlink.c:3840) [469.779337][T18110] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [469.779683][T18110] ? __dev_get_by_name (net/core/dev.c:865) [469.780040][T18110] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [469.780401][T18110] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [469.780766][T18110] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [469.781102][T18110] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [469.781450][T18110] __rtnl_newlink (net/core/rtnetlink.c:3942) [469.781798][T18110] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [469.782135][T18110] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [469.782492][T18110] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [469.782840][T18110] ? __lock_release (kernel/locking/lockdep.c:5539) [469.783213][T18110] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [469.783576][T18110] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [469.783922][T18110] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [469.784269][T18110] ? __lock_acquire (kernel/locking/lockdep.c:5240) [469.784637][T18110] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [469.784989][T18110] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [469.785333][T18110] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [469.785697][T18110] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [469.786028][T18110] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [469.786356][T18110] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [469.786694][T18110] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [469.787038][T18110] ? __lock_acquire (kernel/locking/lockdep.c:5240) [469.787386][T18110] netlink_sendmsg (net/netlink/af_netlink.c:1896) [469.787746][T18110] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [469.788091][T18110] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [469.788455][T18110] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [469.788805][T18110] ? __pfx_____sys_sendmsg (net/socket.c:2560) [469.789148][T18110] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [469.789592][T18110] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [469.789944][T18110] ___sys_sendmsg (net/socket.c:2670) [469.790295][T18110] ? __pfx____sys_sendmsg (net/socket.c:2657) [469.790650][T18110] ? __pfx_handle_pte_fault (mm/memory.c:6026) [469.791003][T18110] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [469.791346][T18110] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [469.791707][T18110] ? __handle_mm_fault (mm/memory.c:6212) [469.792059][T18110] ? __pfx___handle_mm_fault (mm/memory.c:6121) [469.792410][T18110] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [469.792767][T18110] __sys_sendmsg (net/socket.c:2700) [469.793113][T18110] ? __pfx___sys_sendmsg (net/socket.c:2685) [469.793462][T18110] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [469.793815][T18110] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [469.794163][T18110] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [469.794519][T18110] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [469.794886][T18110] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 469.795316][T18110] RIP: 0033:0x7f86869951e7 [ 469.795704][T18110] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 469.797003][T18110] RSP: 002b:00007ffe7d0cc7f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 469.797548][T18110] RAX: ffffffffffffffda RBX: 00007ffe7d0ccf20 RCX: 00007f86869951e7 [ 469.798102][T18110] RDX: 0000000000000000 RSI: 00007ffe7d0cc860 RDI: 0000000000000005 [ 469.798647][T18110] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 469.799146][T18110] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe7d0ccf58 [ 469.799644][T18110] R13: 00000000686e0ccb R14: 0000000000499600 R15: 0000000000000000 | [ 469.965279][T18111] ------------[ cut here ]------------ | [469.965657][T18111] WARNING: CPU: 0 PID: 18111 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 469.966329][T18111] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 469.967575][T18111] Tainted: [W]=WARN [ 469.967841][T18111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [469.968261][T18111] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 469.968613][T18111] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 469.969868][T18111] RSP: 0018:ffffc90008657080 EFLAGS: 00010246 [ 469.970289][T18111] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 469.970817][T18111] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 469.971353][T18111] RBP: ffffc90008657168 R08: 0000000000000000 R09: 0000000000000000 [ 469.971903][T18111] R10: ffffc90008657198 R11: ffffffff924a8918 R12: 1ffff920010cae14 [ 469.972442][T18111] R13: 00000000000005dc R14: ffffc90008657198 R15: ffff8880132a2f08 [ 469.972962][T18111] FS: 00007f36b18d1800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 469.973579][T18111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 469.974020][T18111] CR2: 00007f36b1ae55c0 CR3: 00000000128af004 CR4: 0000000000772ef0 [ 469.974542][T18111] PKRU: 55555554 [ 469.974812][T18111] Call Trace: [ 469.975066][T18111] [469.975234][T18111] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [469.975606][T18111] ? mark_held_locks (kernel/locking/lockdep.c:4328) [469.975947][T18111] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [469.976387][T18111] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [469.976736][T18111] netif_set_mtu (net/core/dev.c:9652) [469.977074][T18111] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [469.977447][T18111] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [469.977944][T18111] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [469.978212][T18111] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [469.978714][T18111] br_add_if (net/bridge/br_if.c:697) bridge [469.979115][T18111] do_set_master (net/core/rtnetlink.c:2948) [469.979463][T18111] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [469.979816][T18111] rtnl_newlink_create (net/core/rtnetlink.c:3840) [469.980162][T18111] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [469.980517][T18111] ? __dev_get_by_name (net/core/dev.c:865) [469.980882][T18111] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [469.981238][T18111] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [469.981591][T18111] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [469.981948][T18111] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [469.982330][T18111] __rtnl_newlink (net/core/rtnetlink.c:3942) [469.982718][T18111] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [469.983090][T18111] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [469.983464][T18111] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [469.983820][T18111] ? __lock_release (kernel/locking/lockdep.c:5539) [469.984186][T18111] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [469.984546][T18111] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [469.984898][T18111] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [469.985244][T18111] ? __lock_acquire (kernel/locking/lockdep.c:5240) [469.985590][T18111] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [469.985962][T18111] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [469.986317][T18111] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [469.986693][T18111] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [469.987064][T18111] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [469.987424][T18111] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [469.987795][T18111] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [469.988150][T18111] ? __lock_acquire (kernel/locking/lockdep.c:5240) [469.988516][T18111] netlink_sendmsg (net/netlink/af_netlink.c:1896) [469.988856][T18111] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [469.989263][T18111] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [469.989627][T18111] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [469.989995][T18111] ? __pfx_____sys_sendmsg (net/socket.c:2560) [469.990350][T18111] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [469.990807][T18111] ___sys_sendmsg (net/socket.c:2670) [469.991157][T18111] ? __pfx____sys_sendmsg (net/socket.c:2657) [469.991505][T18111] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [469.991856][T18111] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [469.992215][T18111] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [469.992570][T18111] ? __lock_acquire (kernel/locking/lockdep.c:5240) [469.992937][T18111] ? find_held_lock (kernel/locking/lockdep.c:5353) [469.993288][T18111] __sys_sendmsg (net/socket.c:2700) [469.993633][T18111] ? __pfx___sys_sendmsg (net/socket.c:2685) [469.994002][T18111] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [469.994350][T18111] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [469.994706][T18111] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 469.995131][T18111] RIP: 0033:0x7f36b1a9e1e7 [ 469.995514][T18111] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 469.996756][T18111] RSP: 002b:00007fff3e680198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 469.997291][T18111] RAX: ffffffffffffffda RBX: 00007fff3e6808c0 RCX: 00007f36b1a9e1e7 [ 469.998072][T18111] RDX: 0000000000000000 RSI: 00007fff3e680200 RDI: 0000000000000005 [ 469.998645][T18111] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 469.999167][T18111] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff3e6808f8 [ 469.999722][T18111] R13: 00000000686e0ccb R14: 0000000000499600 R15: 0000000000000000 | [ 470.167617][T18114] ------------[ cut here ]------------ | [470.167932][T18114] WARNING: CPU: 0 PID: 18114 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 470.168593][T18114] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 470.169743][T18114] Tainted: [W]=WARN [ 470.169992][T18114] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [470.170398][T18114] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 470.170733][T18114] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 470.171948][T18114] RSP: 0018:ffffc900067f7080 EFLAGS: 00010246 [ 470.172402][T18114] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 470.172898][T18114] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 470.173407][T18114] RBP: ffffc900067f7168 R08: 0000000000000000 R09: 0000000000000000 [ 470.173905][T18114] R10: ffffc900067f7198 R11: ffffffff924a8918 R12: 1ffff92000cfee14 [ 470.174434][T18114] R13: 00000000000005dc R14: ffffc900067f7198 R15: ffff8880132a2f08 [ 470.174982][T18114] FS: 00007f988b9ea800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 470.175569][T18114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 470.175975][T18114] CR2: 00000000004a1738 CR3: 00000000128af001 CR4: 0000000000772ef0 [ 470.176464][T18114] PKRU: 55555554 [ 470.176700][T18114] Call Trace: [ 470.176950][T18114] [470.177115][T18114] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [470.177469][T18114] ? mark_held_locks (kernel/locking/lockdep.c:4328) [470.177795][T18114] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [470.178213][T18114] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [470.178553][T18114] netif_set_mtu (net/core/dev.c:9652) [470.178880][T18114] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [470.179216][T18114] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [470.179676][T18114] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [470.179955][T18114] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [470.180407][T18114] br_add_if (net/bridge/br_if.c:697) bridge [470.180790][T18114] do_set_master (net/core/rtnetlink.c:2948) [470.181136][T18114] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [470.181658][T18114] rtnl_newlink_create (net/core/rtnetlink.c:3840) [470.182016][T18114] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [470.182337][T18114] ? __dev_get_by_name (net/core/dev.c:865) [470.182808][T18114] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [470.183130][T18114] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [470.183628][T18114] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [470.183960][T18114] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [470.184297][T18114] __rtnl_newlink (net/core/rtnetlink.c:3942) [470.184790][T18114] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [470.185118][T18114] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [470.185512][T18114] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [470.185828][T18114] ? __lock_release (kernel/locking/lockdep.c:5539) [470.186148][T18114] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [470.186476][T18114] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [470.186798][T18114] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [470.187115][T18114] ? __lock_acquire (kernel/locking/lockdep.c:5240) [470.187448][T18114] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [470.187768][T18114] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [470.188109][T18114] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [470.188442][T18114] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [470.188756][T18114] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [470.189072][T18114] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [470.189395][T18114] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [470.189714][T18114] ? __lock_acquire (kernel/locking/lockdep.c:5240) [470.190039][T18114] netlink_sendmsg (net/netlink/af_netlink.c:1896) [470.190364][T18114] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [470.190703][T18114] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [470.191029][T18114] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [470.191352][T18114] ? __pfx_____sys_sendmsg (net/socket.c:2560) [470.191939][T18114] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [470.192334][T18114] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [470.192666][T18114] ___sys_sendmsg (net/socket.c:2670) [470.192991][T18114] ? __pfx____sys_sendmsg (net/socket.c:2657) [470.193309][T18114] ? __pfx_handle_pte_fault (mm/memory.c:6026) [470.193654][T18114] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [470.193975][T18114] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [470.194296][T18114] ? __handle_mm_fault (mm/memory.c:6212) [470.194632][T18114] ? __pfx___handle_mm_fault (mm/memory.c:6121) [470.194950][T18114] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [470.195519][T18114] __sys_sendmsg (net/socket.c:2700) [470.195862][T18114] ? __pfx___sys_sendmsg (net/socket.c:2685) [470.196184][T18114] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [470.196974][T18114] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [470.197298][T18114] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [470.197669][T18114] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [470.198008][T18114] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 470.198427][T18114] RIP: 0033:0x7f988bbb71e7 [ 470.198768][T18114] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 470.200734][T18114] RSP: 002b:00007ffdf06d8fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 470.201232][T18114] RAX: ffffffffffffffda RBX: 00007ffdf06d96d0 RCX: 00007f988bbb71e7 [ 470.201972][T18114] RDX: 0000000000000000 RSI: 00007ffdf06d9010 RDI: 0000000000000005 [ 470.202488][T18114] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 470.203462][T18114] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf06d9708 [ 470.203981][T18114] R13: 00000000686e0ccb R14: 0000000000499600 R15: 0000000000000000 | [ 470.360707][T18115] ------------[ cut here ]------------ | [470.361053][T18115] WARNING: CPU: 1 PID: 18115 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 470.361720][T18115] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 470.362969][T18115] Tainted: [W]=WARN [ 470.363230][T18115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [470.363798][T18115] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 470.364147][T18115] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 470.365503][T18115] RSP: 0018:ffffc90006827080 EFLAGS: 00010246 [ 470.365927][T18115] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 470.366578][T18115] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 470.367086][T18115] RBP: ffffc90006827168 R08: 0000000000000000 R09: 0000000000000000 [ 470.367752][T18115] R10: ffffc90006827198 R11: ffffffff924a8918 R12: 1ffff92000d04e14 [ 470.368256][T18115] R13: 00000000000005dc R14: ffffc90006827198 R15: ffff8880132a2f08 [ 470.368892][T18115] FS: 00007fd181b97800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 470.369571][T18115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 470.369985][T18115] CR2: 00000000004a1738 CR3: 0000000012a11006 CR4: 0000000000772ef0 [ 470.370508][T18115] PKRU: 55555554 [ 470.370760][T18115] Call Trace: [ 470.371006][T18115] [470.371186][T18115] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [470.371533][T18115] ? mark_held_locks (kernel/locking/lockdep.c:4328) [470.371862][T18115] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [470.372273][T18115] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [470.372612][T18115] netif_set_mtu (net/core/dev.c:9652) [470.372940][T18115] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [470.373277][T18115] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [470.373747][T18115] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [470.373999][T18115] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [470.374471][T18115] br_add_if (net/bridge/br_if.c:697) bridge [470.374866][T18115] do_set_master (net/core/rtnetlink.c:2948) [470.375196][T18115] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [470.375540][T18115] rtnl_newlink_create (net/core/rtnetlink.c:3840) [470.375881][T18115] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [470.376207][T18115] ? __dev_get_by_name (net/core/dev.c:865) [470.376548][T18115] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [470.376875][T18115] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [470.377209][T18115] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [470.377542][T18115] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [470.377875][T18115] __rtnl_newlink (net/core/rtnetlink.c:3942) [470.378211][T18115] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [470.378560][T18115] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [470.378905][T18115] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [470.379232][T18115] ? __lock_release (kernel/locking/lockdep.c:5539) [470.379568][T18115] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [470.379898][T18115] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [470.380231][T18115] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [470.380571][T18115] ? __lock_acquire (kernel/locking/lockdep.c:5240) [470.380907][T18115] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [470.381246][T18115] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [470.381584][T18115] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [470.381927][T18115] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [470.382271][T18115] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [470.382612][T18115] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [470.382948][T18115] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [470.383281][T18115] ? __lock_acquire (kernel/locking/lockdep.c:5240) [470.383624][T18115] netlink_sendmsg (net/netlink/af_netlink.c:1896) [470.383956][T18115] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [470.384284][T18115] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [470.384642][T18115] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [470.384979][T18115] ? __pfx_____sys_sendmsg (net/socket.c:2560) [470.385307][T18115] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [470.385727][T18115] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [470.386070][T18115] ___sys_sendmsg (net/socket.c:2670) [470.386412][T18115] ? __pfx____sys_sendmsg (net/socket.c:2657) [470.386739][T18115] ? __pfx_handle_pte_fault (mm/memory.c:6026) [470.387067][T18115] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [470.387400][T18115] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [470.387733][T18115] ? __handle_mm_fault (mm/memory.c:6212) [470.388064][T18115] ? __pfx___handle_mm_fault (mm/memory.c:6121) [470.388387][T18115] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [470.388745][T18115] __sys_sendmsg (net/socket.c:2700) [470.389071][T18115] ? __pfx___sys_sendmsg (net/socket.c:2685) [470.389407][T18115] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [470.389746][T18115] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [470.390075][T18115] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [470.390426][T18115] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [470.390764][T18115] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 470.391174][T18115] RIP: 0033:0x7fd181d641e7 [ 470.391515][T18115] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 470.392685][T18115] RSP: 002b:00007ffdff5936d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 470.393188][T18115] RAX: ffffffffffffffda RBX: 00007ffdff593e00 RCX: 00007fd181d641e7 [ 470.393683][T18115] RDX: 0000000000000000 RSI: 00007ffdff593740 RDI: 0000000000000005 [ 470.394174][T18115] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 470.394694][T18115] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdff593e38 [ 470.395192][T18115] R13: 00000000686e0ccb R14: 0000000000499600 R15: 0000000000000000 | [ 470.572558][T18117] ------------[ cut here ]------------ | [470.572893][T18117] WARNING: CPU: 2 PID: 18117 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 470.573589][T18117] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 470.574835][T18117] Tainted: [W]=WARN [ 470.575097][T18117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [470.575523][T18117] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 470.575867][T18117] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 470.577018][T18117] RSP: 0018:ffffc90008667080 EFLAGS: 00010246 [ 470.577439][T18117] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 470.577932][T18117] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 470.578434][T18117] RBP: ffffc90008667168 R08: 0000000000000000 R09: 0000000000000000 [ 470.578927][T18117] R10: ffffc90008667198 R11: ffffffff924a8918 R12: 1ffff920010cce14 [ 470.579427][T18117] R13: 00000000000005dc R14: ffffc90008667198 R15: ffff8880132a2f08 [ 470.579911][T18117] FS: 00007fba19dc7800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 470.580489][T18117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 470.580901][T18117] CR2: 00007fba1a153270 CR3: 000000000b899005 CR4: 0000000000772ef0 [ 470.581395][T18117] PKRU: 55555554 [ 470.581653][T18117] Call Trace: [ 470.581911][T18117] [470.582091][T18117] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [470.582440][T18117] ? mark_held_locks (kernel/locking/lockdep.c:4328) [470.582773][T18117] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [470.583191][T18117] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [470.583534][T18117] netif_set_mtu (net/core/dev.c:9652) [470.583858][T18117] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [470.584209][T18117] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [470.584688][T18117] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [470.584942][T18117] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [470.585386][T18117] br_add_if (net/bridge/br_if.c:697) bridge [470.585786][T18117] do_set_master (net/core/rtnetlink.c:2948) [470.586129][T18117] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [470.586483][T18117] rtnl_newlink_create (net/core/rtnetlink.c:3840) [470.586826][T18117] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [470.587152][T18117] ? __dev_get_by_name (net/core/dev.c:865) [470.587496][T18117] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [470.587829][T18117] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [470.588178][T18117] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [470.588528][T18117] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [470.588868][T18117] __rtnl_newlink (net/core/rtnetlink.c:3942) [470.589220][T18117] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [470.589569][T18117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [470.589925][T18117] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [470.590299][T18117] ? __lock_release (kernel/locking/lockdep.c:5539) [470.590670][T18117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [470.591022][T18117] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [470.591369][T18117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [470.591733][T18117] ? __lock_acquire (kernel/locking/lockdep.c:5240) [470.592085][T18117] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [470.592456][T18117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [470.592799][T18117] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [470.593160][T18117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [470.593509][T18117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [470.593855][T18117] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [470.594206][T18117] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [470.594554][T18117] ? __lock_acquire (kernel/locking/lockdep.c:5240) [470.594936][T18117] netlink_sendmsg (net/netlink/af_netlink.c:1896) [470.595291][T18117] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [470.595650][T18117] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [470.596008][T18117] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [470.596403][T18117] ? __pfx_____sys_sendmsg (net/socket.c:2560) [470.596752][T18117] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [470.597197][T18117] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [470.597563][T18117] ___sys_sendmsg (net/socket.c:2670) [470.597918][T18117] ? __pfx____sys_sendmsg (net/socket.c:2657) [470.598265][T18117] ? __pfx_handle_pte_fault (mm/memory.c:6026) [470.598638][T18117] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [470.598986][T18117] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [470.599347][T18117] ? __handle_mm_fault (mm/memory.c:6212) [470.599701][T18117] ? __pfx___handle_mm_fault (mm/memory.c:6121) [470.600038][T18117] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [470.600432][T18117] __sys_sendmsg (net/socket.c:2700) [470.600789][T18117] ? __pfx___sys_sendmsg (net/socket.c:2685) [470.601142][T18117] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [470.601518][T18117] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [470.601872][T18117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [470.602228][T18117] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [470.602594][T18117] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 470.603006][T18117] RIP: 0033:0x7fba19f941e7 [ 470.603355][T18117] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 470.604576][T18117] RSP: 002b:00007ffc163739c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 470.605143][T18117] RAX: ffffffffffffffda RBX: 00007ffc163740f0 RCX: 00007fba19f941e7 [ 470.605686][T18117] RDX: 0000000000000000 RSI: 00007ffc16373a30 RDI: 0000000000000005 [ 470.606187][T18117] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 470.606681][T18117] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc16374128 [ 470.607176][T18117] R13: 00000000686e0ccc R14: 0000000000499600 R15: 0000000000000000 | [ 470.762841][T18120] ------------[ cut here ]------------ | [470.763465][T18120] WARNING: CPU: 3 PID: 18120 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 470.764618][T18120] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 470.766103][T18120] Tainted: [W]=WARN [ 470.766343][T18120] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [470.767426][T18120] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 470.767757][T18120] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 470.768895][T18120] RSP: 0018:ffffc900067e7080 EFLAGS: 00010246 [ 470.769296][T18120] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 470.769776][T18120] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 470.770299][T18120] RBP: ffffc900067e7168 R08: 0000000000000000 R09: 0000000000000000 [ 470.770819][T18120] R10: ffffc900067e7198 R11: ffffffff924a8918 R12: 1ffff92000cfce14 [ 470.771502][T18120] R13: 00000000000005dc R14: ffffc900067e7198 R15: ffff8880132a2f08 [ 470.772016][T18120] FS: 00007f0015493800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 470.772605][T18120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 470.773016][T18120] CR2: 00000000004a1738 CR3: 0000000012d2a006 CR4: 0000000000772ef0 [ 470.773538][T18120] PKRU: 55555554 [ 470.773801][T18120] Call Trace: [ 470.774053][T18120] [470.774229][T18120] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [470.774584][T18120] ? mark_held_locks (kernel/locking/lockdep.c:4328) [470.774955][T18120] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [470.775437][T18120] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [470.775773][T18120] netif_set_mtu (net/core/dev.c:9652) [470.776120][T18120] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [470.776474][T18120] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [470.776966][T18120] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [470.777213][T18120] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [470.777666][T18120] br_add_if (net/bridge/br_if.c:697) bridge [470.778130][T18120] do_set_master (net/core/rtnetlink.c:2948) [470.778463][T18120] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [470.778791][T18120] rtnl_newlink_create (net/core/rtnetlink.c:3840) [470.779120][T18120] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [470.779443][T18120] ? __dev_get_by_name (net/core/dev.c:865) [470.779771][T18120] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [470.780106][T18120] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [470.780433][T18120] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [470.780748][T18120] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [470.781085][T18120] __rtnl_newlink (net/core/rtnetlink.c:3942) [470.781427][T18120] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [470.781751][T18120] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [470.782093][T18120] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [470.782420][T18120] ? __lock_release (kernel/locking/lockdep.c:5539) [470.782737][T18120] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [470.783062][T18120] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [470.783378][T18120] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [470.783705][T18120] ? __lock_acquire (kernel/locking/lockdep.c:5240) [470.784038][T18120] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [470.784351][T18120] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [470.784692][T18120] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [470.785042][T18120] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [470.785353][T18120] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [470.785678][T18120] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [470.786007][T18120] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [470.786317][T18120] ? __lock_acquire (kernel/locking/lockdep.c:5240) [470.786645][T18120] netlink_sendmsg (net/netlink/af_netlink.c:1896) [470.786971][T18120] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [470.787289][T18120] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [470.787629][T18120] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [470.788031][T18120] ? __pfx_____sys_sendmsg (net/socket.c:2560) [470.788353][T18120] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [470.788756][T18120] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [470.789096][T18120] ___sys_sendmsg (net/socket.c:2670) [470.789421][T18120] ? __pfx____sys_sendmsg (net/socket.c:2657) [470.789734][T18120] ? __pfx_handle_pte_fault (mm/memory.c:6026) [470.790071][T18120] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [470.790397][T18120] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [470.790715][T18120] ? __handle_mm_fault (mm/memory.c:6212) [470.791038][T18120] ? __pfx___handle_mm_fault (mm/memory.c:6121) [470.791348][T18120] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [470.791687][T18120] __sys_sendmsg (net/socket.c:2700) [470.792021][T18120] ? __pfx___sys_sendmsg (net/socket.c:2685) [470.792332][T18120] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [470.792670][T18120] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [470.793003][T18120] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [470.793319][T18120] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [470.793643][T18120] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 470.794039][T18120] RIP: 0033:0x7f00156601e7 [ 470.794364][T18120] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 470.795517][T18120] RSP: 002b:00007ffff750c108 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 470.796004][T18120] RAX: ffffffffffffffda RBX: 00007ffff750c830 RCX: 00007f00156601e7 [ 470.796488][T18120] RDX: 0000000000000000 RSI: 00007ffff750c170 RDI: 0000000000000005 [ 470.796964][T18120] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 470.797440][T18120] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff750c868 [ 470.797926][T18120] R13: 00000000686e0ccc R14: 0000000000499600 R15: 0000000000000000 | [ 470.943304][T18121] ------------[ cut here ]------------ | [470.943659][T18121] WARNING: CPU: 0 PID: 18121 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 470.944287][T18121] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 470.945489][T18121] Tainted: [W]=WARN [ 470.945741][T18121] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [470.946154][T18121] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 470.946502][T18121] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 470.947704][T18121] RSP: 0018:ffffc90005427080 EFLAGS: 00010246 [ 470.948121][T18121] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 470.948628][T18121] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 470.949119][T18121] RBP: ffffc90005427168 R08: 0000000000000000 R09: 0000000000000000 [ 470.949619][T18121] R10: ffffc90005427198 R11: ffffffff924a8918 R12: 1ffff92000a84e14 [ 470.950115][T18121] R13: 00000000000005dc R14: ffffc90005427198 R15: ffff8880132a2f08 [ 470.950636][T18121] FS: 00007f1fde8bd800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 470.951181][T18121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 470.951583][T18121] CR2: 00000000004a1738 CR3: 000000000f244001 CR4: 0000000000772ef0 [ 470.952082][T18121] PKRU: 55555554 [ 470.952328][T18121] Call Trace: [ 470.952587][T18121] [470.952765][T18121] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [470.953103][T18121] ? mark_held_locks (kernel/locking/lockdep.c:4328) [470.953463][T18121] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [470.953874][T18121] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [470.954208][T18121] netif_set_mtu (net/core/dev.c:9652) [470.954552][T18121] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [470.954900][T18121] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [470.955337][T18121] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [470.955584][T18121] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [470.956024][T18121] br_add_if (net/bridge/br_if.c:697) bridge [470.956416][T18121] do_set_master (net/core/rtnetlink.c:2948) [470.956739][T18121] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [470.957058][T18121] rtnl_newlink_create (net/core/rtnetlink.c:3840) [470.957379][T18121] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [470.957701][T18121] ? __dev_get_by_name (net/core/dev.c:865) [470.958017][T18121] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [470.958346][T18121] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [470.958683][T18121] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [470.959010][T18121] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [470.959344][T18121] __rtnl_newlink (net/core/rtnetlink.c:3942) [470.959681][T18121] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [470.960004][T18121] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [470.960332][T18121] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [470.960664][T18121] ? __lock_release (kernel/locking/lockdep.c:5539) [470.961011][T18121] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [470.961340][T18121] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [470.961694][T18121] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [470.962031][T18121] ? __lock_acquire (kernel/locking/lockdep.c:5240) [470.962383][T18121] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [470.962727][T18121] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [470.963057][T18121] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [470.963404][T18121] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [470.963718][T18121] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [470.964040][T18121] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [470.964365][T18121] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [470.964709][T18121] ? __lock_acquire (kernel/locking/lockdep.c:5240) [470.965034][T18121] netlink_sendmsg (net/netlink/af_netlink.c:1896) [470.965353][T18121] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [470.965678][T18121] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [470.966002][T18121] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [470.966319][T18121] ? __pfx_____sys_sendmsg (net/socket.c:2560) [470.966665][T18121] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [470.967065][T18121] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [470.967397][T18121] ___sys_sendmsg (net/socket.c:2670) [470.967719][T18121] ? __pfx____sys_sendmsg (net/socket.c:2657) [470.968055][T18121] ? __pfx_handle_pte_fault (mm/memory.c:6026) [470.968385][T18121] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [470.968712][T18121] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [470.969047][T18121] ? __handle_mm_fault (mm/memory.c:6212) [470.969375][T18121] ? __pfx___handle_mm_fault (mm/memory.c:6121) [470.969716][T18121] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [470.970051][T18121] __sys_sendmsg (net/socket.c:2700) [470.970366][T18121] ? __pfx___sys_sendmsg (net/socket.c:2685) [470.970718][T18121] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [470.971044][T18121] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [470.971361][T18121] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [470.971691][T18121] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [470.972008][T18121] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 470.972438][T18121] RIP: 0033:0x7f1fdea8a1e7 [ 470.972786][T18121] Code: Unable to access opcode bytes at 0x7f1fdea8a1bd. Code starting with the faulting instruction =========================================== [ 470.973203][T18121] RSP: 002b:00007ffda1900288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 470.973713][T18121] RAX: ffffffffffffffda RBX: 00007ffda19009b0 RCX: 00007f1fdea8a1e7 [ 470.974190][T18121] RDX: 0000000000000000 RSI: 00007ffda19002f0 RDI: 0000000000000005 [ 470.974698][T18121] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 470.975173][T18121] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda19009e8 [ 470.975648][T18121] R13: 00000000686e0ccc R14: 0000000000499600 R15: 0000000000000000 | [ 471.169310][T18123] ------------[ cut here ]------------ | [471.170018][T18123] WARNING: CPU: 1 PID: 18123 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 471.170925][T18123] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 471.172239][T18123] Tainted: [W]=WARN [ 471.172493][T18123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [471.172901][T18123] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 471.173243][T18123] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 471.174396][T18123] RSP: 0000:ffffc90005417080 EFLAGS: 00010246 [ 471.174820][T18123] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 471.175362][T18123] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 471.175843][T18123] RBP: ffffc90005417168 R08: 0000000000000000 R09: 0000000000000000 [ 471.176327][T18123] R10: ffffc90005417198 R11: ffffffff924a8918 R12: 1ffff92000a82e14 [ 471.176801][T18123] R13: 00000000000005dc R14: ffffc90005417198 R15: ffff8880132a2f08 [ 471.177287][T18123] FS: 00007fae1f496800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 471.177853][T18123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 471.178263][T18123] CR2: 00007fae1f791b8d CR3: 000000000f244001 CR4: 0000000000772ef0 [ 471.178740][T18123] PKRU: 55555554 [ 471.178983][T18123] Call Trace: [ 471.179232][T18123] [471.179404][T18123] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [471.179725][T18123] ? mark_held_locks (kernel/locking/lockdep.c:4328) [471.180071][T18123] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [471.180494][T18123] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [471.180818][T18123] netif_set_mtu (net/core/dev.c:9652) [471.181163][T18123] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [471.181498][T18123] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [471.181931][T18123] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [471.182177][T18123] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [471.182613][T18123] br_add_if (net/bridge/br_if.c:697) bridge [471.182970][T18123] do_set_master (net/core/rtnetlink.c:2948) [471.183296][T18123] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [471.183625][T18123] rtnl_newlink_create (net/core/rtnetlink.c:3840) [471.183939][T18123] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [471.184283][T18123] ? __dev_get_by_name (net/core/dev.c:865) [471.184624][T18123] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [471.184942][T18123] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [471.185259][T18123] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [471.185582][T18123] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [471.185899][T18123] __rtnl_newlink (net/core/rtnetlink.c:3942) [471.186222][T18123] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [471.186546][T18123] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [471.186872][T18123] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [471.187188][T18123] ? __lock_release (kernel/locking/lockdep.c:5539) [471.187506][T18123] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [471.187815][T18123] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [471.188162][T18123] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [471.188492][T18123] ? __lock_acquire (kernel/locking/lockdep.c:5240) [471.188815][T18123] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [471.189128][T18123] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [471.189456][T18123] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [471.189781][T18123] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [471.190089][T18123] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [471.190422][T18123] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [471.190739][T18123] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [471.191048][T18123] ? __lock_acquire (kernel/locking/lockdep.c:5240) [471.191399][T18123] netlink_sendmsg (net/netlink/af_netlink.c:1896) [471.191724][T18123] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [471.192039][T18123] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [471.192406][T18123] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [471.192727][T18123] ? __pfx_____sys_sendmsg (net/socket.c:2560) [471.193041][T18123] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [471.193445][T18123] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [471.193764][T18123] ___sys_sendmsg (net/socket.c:2670) [471.194080][T18123] ? __pfx____sys_sendmsg (net/socket.c:2657) [471.194407][T18123] ? __pfx_handle_pte_fault (mm/memory.c:6026) [471.194737][T18123] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [471.195048][T18123] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [471.195365][T18123] ? __handle_mm_fault (mm/memory.c:6212) [471.195688][T18123] ? __pfx___handle_mm_fault (mm/memory.c:6121) [471.196001][T18123] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [471.196365][T18123] __sys_sendmsg (net/socket.c:2700) [471.196697][T18123] ? __pfx___sys_sendmsg (net/socket.c:2685) [471.197010][T18123] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [471.197335][T18123] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [471.197657][T18123] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [471.197976][T18123] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [471.198288][T18123] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 471.198689][T18123] RIP: 0033:0x7fae1f6631e7 [ 471.199011][T18123] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 471.200167][T18123] RSP: 002b:00007ffd1584c3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 471.200651][T18123] RAX: ffffffffffffffda RBX: 00007ffd1584cb10 RCX: 00007fae1f6631e7 [ 471.201126][T18123] RDX: 0000000000000000 RSI: 00007ffd1584c450 RDI: 0000000000000005 [ 471.201602][T18123] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 471.202068][T18123] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1584cb48 [ 471.202543][T18123] R13: 00000000686e0ccc R14: 0000000000499600 R15: 0000000000000000 | [ 471.363866][T18125] ------------[ cut here ]------------ | [471.364187][T18125] WARNING: CPU: 3 PID: 18125 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 471.364859][T18125] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 471.366014][T18125] Tainted: [W]=WARN [ 471.366256][T18125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [471.366661][T18125] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 471.367000][T18125] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 471.368147][T18125] RSP: 0018:ffffc90005407080 EFLAGS: 00010246 [ 471.368554][T18125] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 471.369036][T18125] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 471.369515][T18125] RBP: ffffc90005407168 R08: 0000000000000000 R09: 0000000000000000 [ 471.370003][T18125] R10: ffffc90005407198 R11: ffffffff924a8918 R12: 1ffff92000a80e14 [ 471.370481][T18125] R13: 00000000000005dc R14: ffffc90005407198 R15: ffff8880132a2f08 [ 471.370967][T18125] FS: 00007f511c35b800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 471.371531][T18125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 471.371946][T18125] CR2: 00000000004a1738 CR3: 000000000f244005 CR4: 0000000000772ef0 [ 471.372433][T18125] PKRU: 55555554 [ 471.372665][T18125] Call Trace: [ 471.372914][T18125] [471.373082][T18125] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [471.373412][T18125] ? mark_held_locks (kernel/locking/lockdep.c:4328) [471.373732][T18125] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [471.374144][T18125] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [471.374473][T18125] netif_set_mtu (net/core/dev.c:9652) [471.374805][T18125] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [471.375146][T18125] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [471.375602][T18125] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [471.375848][T18125] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [471.376294][T18125] br_add_if (net/bridge/br_if.c:697) bridge [471.376665][T18125] do_set_master (net/core/rtnetlink.c:2948) [471.377014][T18125] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [471.377345][T18125] rtnl_newlink_create (net/core/rtnetlink.c:3840) [471.377684][T18125] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [471.378005][T18125] ? __dev_get_by_name (net/core/dev.c:865) [471.378319][T18125] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [471.378648][T18125] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [471.378971][T18125] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [471.379284][T18125] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [471.379616][T18125] __rtnl_newlink (net/core/rtnetlink.c:3942) [471.379945][T18125] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [471.380267][T18125] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [471.380609][T18125] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [471.380928][T18125] ? __lock_release (kernel/locking/lockdep.c:5539) [471.381245][T18125] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [471.381574][T18125] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [471.381893][T18125] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [471.382221][T18125] ? __lock_acquire (kernel/locking/lockdep.c:5240) [471.382552][T18125] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [471.382868][T18125] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [471.383187][T18125] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [471.383527][T18125] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [471.383851][T18125] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [471.384169][T18125] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [471.384500][T18125] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [471.384833][T18125] ? __lock_acquire (kernel/locking/lockdep.c:5240) [471.385154][T18125] netlink_sendmsg (net/netlink/af_netlink.c:1896) [471.385487][T18125] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [471.385805][T18125] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [471.386123][T18125] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [471.386454][T18125] ? __pfx_____sys_sendmsg (net/socket.c:2560) [471.386774][T18125] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [471.387175][T18125] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [471.387507][T18125] ___sys_sendmsg (net/socket.c:2670) [471.387828][T18125] ? __pfx____sys_sendmsg (net/socket.c:2657) [471.388146][T18125] ? __pfx_handle_pte_fault (mm/memory.c:6026) [471.388472][T18125] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [471.388788][T18125] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [471.389107][T18125] ? __handle_mm_fault (mm/memory.c:6212) [471.389431][T18125] ? __pfx___handle_mm_fault (mm/memory.c:6121) [471.389750][T18125] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [471.390081][T18125] __sys_sendmsg (net/socket.c:2700) [471.390411][T18125] ? __pfx___sys_sendmsg (net/socket.c:2685) [471.390736][T18125] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [471.391061][T18125] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [471.391379][T18125] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [471.391706][T18125] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [471.392025][T18125] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 471.392428][T18125] RIP: 0033:0x7f511c5281e7 [ 471.392758][T18125] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 471.394384][T18125] RSP: 002b:00007ffccf3bdef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 471.395350][T18125] RAX: ffffffffffffffda RBX: 00007ffccf3be620 RCX: 00007f511c5281e7 [ 471.395832][T18125] RDX: 0000000000000000 RSI: 00007ffccf3bdf60 RDI: 0000000000000005 [ 471.396304][T18125] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 471.396798][T18125] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffccf3be658 [ 471.397284][T18125] R13: 00000000686e0ccc R14: 0000000000499600 R15: 0000000000000000 | [ 471.559338][T18127] ------------[ cut here ]------------ | [471.559700][T18127] WARNING: CPU: 3 PID: 18127 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 471.560319][T18127] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 471.561469][T18127] Tainted: [W]=WARN [ 471.561707][T18127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [471.562100][T18127] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 471.562437][T18127] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 471.563564][T18127] RSP: 0018:ffffc90004f97080 EFLAGS: 00010246 [ 471.563965][T18127] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 471.564452][T18127] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 471.564947][T18127] RBP: ffffc90004f97168 R08: 0000000000000000 R09: 0000000000000000 [ 471.565432][T18127] R10: ffffc90004f97198 R11: ffffffff924a8918 R12: 1ffff920009f2e14 [ 471.565904][T18127] R13: 00000000000005dc R14: ffffc90004f97198 R15: ffff8880132a2f08 [ 471.566374][T18127] FS: 00007f84dbbdd800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 471.566929][T18127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 471.567336][T18127] CR2: 00000000004a1738 CR3: 000000000a634003 CR4: 0000000000772ef0 [ 471.567813][T18127] PKRU: 55555554 [ 471.568051][T18127] Call Trace: [ 471.568285][T18127] [471.568456][T18127] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [471.568784][T18127] ? mark_held_locks (kernel/locking/lockdep.c:4328) [471.569101][T18127] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [471.569505][T18127] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [471.569831][T18127] netif_set_mtu (net/core/dev.c:9652) [471.570147][T18127] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [471.570482][T18127] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [471.570923][T18127] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [471.571162][T18127] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [471.571607][T18127] br_add_if (net/bridge/br_if.c:697) bridge [471.571993][T18127] do_set_master (net/core/rtnetlink.c:2948) [471.572309][T18127] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [471.572638][T18127] rtnl_newlink_create (net/core/rtnetlink.c:3840) [471.572957][T18127] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [471.573272][T18127] ? __dev_get_by_name (net/core/dev.c:865) [471.573598][T18127] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [471.573915][T18127] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [471.574235][T18127] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [471.574552][T18127] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [471.574887][T18127] __rtnl_newlink (net/core/rtnetlink.c:3942) [471.575214][T18127] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [471.575543][T18127] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [471.575870][T18127] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [471.576185][T18127] ? __lock_release (kernel/locking/lockdep.c:5539) [471.576518][T18127] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [471.576833][T18127] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [471.577156][T18127] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [471.577485][T18127] ? __lock_acquire (kernel/locking/lockdep.c:5240) [471.577806][T18127] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [471.578126][T18127] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [471.578449][T18127] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [471.578775][T18127] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [471.579087][T18127] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [471.579424][T18127] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [471.579745][T18127] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [471.580059][T18127] ? __lock_acquire (kernel/locking/lockdep.c:5240) [471.580377][T18127] netlink_sendmsg (net/netlink/af_netlink.c:1896) [471.580704][T18127] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [471.581026][T18127] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [471.581352][T18127] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [471.581677][T18127] ? __pfx_____sys_sendmsg (net/socket.c:2560) [471.581994][T18127] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [471.582399][T18127] ? debug_object_activate (lib/debugobjects.c:837) [471.582716][T18127] ? __lock_release (kernel/locking/lockdep.c:5539) [471.583043][T18127] ___sys_sendmsg (net/socket.c:2670) [471.583358][T18127] ? __pfx____sys_sendmsg (net/socket.c:2657) [471.583687][T18127] ? trace_ipi_send_cpu.constprop.0 (./include/trace/events/ipi.h:38) [471.584091][T18127] ? __smp_call_single_queue (./arch/x86/include/asm/smp.h:95 kernel/smp.c:118 kernel/smp.c:411) [471.584416][T18127] ? __pfx___smp_call_single_queue (kernel/smp.c:379) [471.584820][T18127] ? find_held_lock (kernel/locking/lockdep.c:5353) [471.585146][T18127] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [471.585470][T18127] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [471.585859][T18127] ? try_to_wake_up (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:4190) [471.586177][T18127] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [471.586507][T18127] __sys_sendmsg (net/socket.c:2700) [471.586821][T18127] ? __lock_release (kernel/locking/lockdep.c:5539) [471.587140][T18127] ? __pfx___sys_sendmsg (net/socket.c:2685) [471.587465][T18127] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [471.587810][T18127] ? handle_softirqs (./arch/x86/include/asm/preempt.h:27 kernel/softirq.c:426 kernel/softirq.c:607) [471.588144][T18127] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [471.588481][T18127] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [471.588804][T18127] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 471.589247][T18127] RIP: 0033:0x7f84dbdaa1e7 [ 471.589617][T18127] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 471.590777][T18127] RSP: 002b:00007ffc11783938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 471.591268][T18127] RAX: ffffffffffffffda RBX: 00007ffc11784060 RCX: 00007f84dbdaa1e7 [ 471.591764][T18127] RDX: 0000000000000000 RSI: 00007ffc117839a0 RDI: 0000000000000005 [ 471.592255][T18127] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 471.592754][T18127] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc11784098 [ 471.593251][T18127] R13: 00000000686e0ccd R14: 0000000000499600 R15: 0000000000000000 | [ 471.765360][T18130] ------------[ cut here ]------------ | [471.765770][T18130] WARNING: CPU: 1 PID: 18130 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 471.766413][T18130] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 471.767698][T18130] Tainted: [W]=WARN [ 471.767937][T18130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [471.768328][T18130] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 471.768805][T18130] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 471.769940][T18130] RSP: 0018:ffffc90006167080 EFLAGS: 00010246 [ 471.770338][T18130] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 471.770818][T18130] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 471.771282][T18130] RBP: ffffc90006167168 R08: 0000000000000000 R09: 0000000000000000 [ 471.771764][T18130] R10: ffffc90006167198 R11: ffffffff924a8918 R12: 1ffff92000c2ce14 [ 471.772229][T18130] R13: 00000000000005dc R14: ffffc90006167198 R15: ffff8880132a2f08 [ 471.772705][T18130] FS: 00007f4e89df2800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 471.773248][T18130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 471.773654][T18130] CR2: 00000000004a1738 CR3: 000000001209e001 CR4: 0000000000772ef0 [ 471.774121][T18130] PKRU: 55555554 [ 471.774356][T18130] Call Trace: [ 471.774622][T18130] [471.774789][T18130] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [471.775106][T18130] ? mark_held_locks (kernel/locking/lockdep.c:4328) [471.775429][T18130] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [471.775822][T18130] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [471.776183][T18130] netif_set_mtu (net/core/dev.c:9652) [471.776511][T18130] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [471.776848][T18130] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [471.777308][T18130] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [471.777567][T18130] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [471.778014][T18130] br_add_if (net/bridge/br_if.c:697) bridge [471.778378][T18130] do_set_master (net/core/rtnetlink.c:2948) [471.778711][T18130] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [471.779027][T18130] rtnl_newlink_create (net/core/rtnetlink.c:3840) [471.779435][T18130] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [471.779750][T18130] ? __dev_get_by_name (net/core/dev.c:865) [471.780063][T18130] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [471.780377][T18130] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [471.780715][T18130] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [471.781027][T18130] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [471.781345][T18130] __rtnl_newlink (net/core/rtnetlink.c:3942) [471.781683][T18130] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [471.782008][T18130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [471.782341][T18130] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [471.782680][T18130] ? __lock_release (kernel/locking/lockdep.c:5539) [471.783022][T18130] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [471.783345][T18130] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [471.783668][T18130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [471.783988][T18130] ? __lock_acquire (kernel/locking/lockdep.c:5240) [471.784309][T18130] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [471.784646][T18130] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [471.784960][T18130] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [471.785291][T18130] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [471.785620][T18130] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [471.785935][T18130] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [471.786250][T18130] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [471.786583][T18130] ? __lock_acquire (kernel/locking/lockdep.c:5240) [471.786903][T18130] netlink_sendmsg (net/netlink/af_netlink.c:1896) [471.787222][T18130] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [471.787546][T18130] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [471.787883][T18130] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [471.788205][T18130] ? __pfx_____sys_sendmsg (net/socket.c:2560) [471.788532][T18130] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [471.788925][T18130] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [471.789247][T18130] ___sys_sendmsg (net/socket.c:2670) [471.789579][T18130] ? __pfx____sys_sendmsg (net/socket.c:2657) [471.789896][T18130] ? __pfx_handle_pte_fault (mm/memory.c:6026) [471.790227][T18130] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [471.790556][T18130] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [471.790878][T18130] ? __handle_mm_fault (mm/memory.c:6212) [471.791193][T18130] ? __pfx___handle_mm_fault (mm/memory.c:6121) [471.791516][T18130] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [471.791849][T18130] __sys_sendmsg (net/socket.c:2700) [471.792170][T18130] ? __pfx___sys_sendmsg (net/socket.c:2685) [471.792497][T18130] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [471.792828][T18130] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [471.793146][T18130] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [471.793472][T18130] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [471.793794][T18130] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 471.794187][T18130] RIP: 0033:0x7f4e89fbf1e7 [ 471.794540][T18130] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 471.795699][T18130] RSP: 002b:00007fff4f27bb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 471.796183][T18130] RAX: ffffffffffffffda RBX: 00007fff4f27c290 RCX: 00007f4e89fbf1e7 [ 471.796669][T18130] RDX: 0000000000000000 RSI: 00007fff4f27bbd0 RDI: 0000000000000005 [ 471.797149][T18130] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 471.797631][T18130] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff4f27c2c8 [ 471.798106][T18130] R13: 00000000686e0ccd R14: 0000000000499600 R15: 0000000000000000 | [ 471.959452][T18132] ------------[ cut here ]------------ | [471.959764][T18132] WARNING: CPU: 3 PID: 18132 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 471.960504][T18132] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 471.961710][T18132] Tainted: [W]=WARN [ 471.962001][T18132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [471.962427][T18132] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 471.962774][T18132] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 471.965596][T18132] RSP: 0018:ffffc90006157080 EFLAGS: 00010246 [ 471.966108][T18132] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 471.966778][T18132] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 471.967325][T18132] RBP: ffffc90006157168 R08: 0000000000000000 R09: 0000000000000000 [ 471.967885][T18132] R10: ffffc90006157198 R11: ffffffff924a8918 R12: 1ffff92000c2ae14 [ 471.968407][T18132] R13: 00000000000005dc R14: ffffc90006157198 R15: ffff8880132a2f08 [ 471.968910][T18132] FS: 00007ffbd488e800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 471.969580][T18132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 471.969989][T18132] CR2: 00007f9669958020 CR3: 0000000013f29006 CR4: 0000000000772ef0 [ 471.970503][T18132] PKRU: 55555554 [ 471.970741][T18132] Call Trace: [ 471.970986][T18132] [471.971149][T18132] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [471.971490][T18132] ? mark_held_locks (kernel/locking/lockdep.c:4328) [471.971811][T18132] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [471.972249][T18132] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [471.972583][T18132] netif_set_mtu (net/core/dev.c:9652) [471.972902][T18132] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [471.973301][T18132] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [471.973780][T18132] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [471.974034][T18132] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [471.974491][T18132] br_add_if (net/bridge/br_if.c:697) bridge [471.974891][T18132] do_set_master (net/core/rtnetlink.c:2948) [471.975224][T18132] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [471.975569][T18132] rtnl_newlink_create (net/core/rtnetlink.c:3840) [471.975906][T18132] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [471.976241][T18132] ? __dev_get_by_name (net/core/dev.c:865) [471.976577][T18132] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [471.976949][T18132] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [471.977356][T18132] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [471.977705][T18132] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [471.978058][T18132] __rtnl_newlink (net/core/rtnetlink.c:3942) [471.978410][T18132] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [471.978746][T18132] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [471.979121][T18132] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [471.979444][T18132] ? __lock_release (kernel/locking/lockdep.c:5539) [471.979780][T18132] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [471.980114][T18132] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [471.980442][T18132] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [471.980761][T18132] ? __lock_acquire (kernel/locking/lockdep.c:5240) [471.981108][T18132] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [471.981440][T18132] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [471.981757][T18132] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [471.982112][T18132] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [471.982565][T18132] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [471.983096][T18132] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [471.983632][T18132] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [471.984146][T18132] ? __lock_acquire (kernel/locking/lockdep.c:5240) [471.984716][T18132] netlink_sendmsg (net/netlink/af_netlink.c:1896) [471.985289][T18132] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [471.985871][T18132] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [471.986472][T18132] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [471.987045][T18132] ? __pfx_____sys_sendmsg (net/socket.c:2560) [471.987628][T18132] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [471.988316][T18132] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [471.988922][T18132] ___sys_sendmsg (net/socket.c:2670) [471.989505][T18132] ? __pfx____sys_sendmsg (net/socket.c:2657) [471.990075][T18132] ? __pfx_handle_pte_fault (mm/memory.c:6026) [471.990659][T18132] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [471.991223][T18132] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [471.991769][T18132] ? __handle_mm_fault (mm/memory.c:6212) [471.992297][T18132] ? __pfx___handle_mm_fault (mm/memory.c:6121) [471.992628][T18132] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [471.992973][T18132] __sys_sendmsg (net/socket.c:2700) [471.993311][T18132] ? __pfx___sys_sendmsg (net/socket.c:2685) [471.993645][T18132] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [471.993981][T18132] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [471.994353][T18132] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [471.994707][T18132] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [471.995077][T18132] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 471.995493][T18132] RIP: 0033:0x7ffbd4a5b1e7 [ 471.995820][T18132] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 471.996982][T18132] RSP: 002b:00007ffd74390bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 471.997841][T18132] RAX: ffffffffffffffda RBX: 00007ffd74391320 RCX: 00007ffbd4a5b1e7 [ 471.998541][T18132] RDX: 0000000000000000 RSI: 00007ffd74390c60 RDI: 0000000000000005 [ 471.999038][T18132] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 471.999590][T18132] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd74391358 [ 472.000084][T18132] R13: 00000000686e0ccd R14: 0000000000499600 R15: 0000000000000000 | [ 472.177463][T18133] ------------[ cut here ]------------ | [472.177852][T18133] WARNING: CPU: 2 PID: 18133 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 472.178528][T18133] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 472.179884][T18133] Tainted: [W]=WARN [ 472.180144][T18133] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [472.181720][T18133] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 472.182113][T18133] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 472.183419][T18133] RSP: 0018:ffffc90004f77080 EFLAGS: 00010246 [ 472.183887][T18133] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 472.184418][T18133] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 472.184973][T18133] RBP: ffffc90004f77168 R08: 0000000000000000 R09: 0000000000000000 [ 472.185482][T18133] R10: ffffc90004f77198 R11: ffffffff924a8918 R12: 1ffff920009eee14 [ 472.186027][T18133] R13: 00000000000005dc R14: ffffc90004f77198 R15: ffff8880132a2f08 [ 472.186551][T18133] FS: 00007f5daad95800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 472.187164][T18133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 472.187597][T18133] CR2: 00000000004a1738 CR3: 000000000970e005 CR4: 0000000000772ef0 [ 472.188194][T18133] PKRU: 55555554 [ 472.188479][T18133] Call Trace: [ 472.188736][T18133] [472.188961][T18133] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [472.189305][T18133] ? mark_held_locks (kernel/locking/lockdep.c:4328) [472.189658][T18133] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [472.190103][T18133] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [472.190452][T18133] netif_set_mtu (net/core/dev.c:9652) [472.190795][T18133] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [472.191176][T18133] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [472.191669][T18133] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [472.191950][T18133] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [472.192411][T18133] br_add_if (net/bridge/br_if.c:697) bridge [472.192810][T18133] do_set_master (net/core/rtnetlink.c:2948) [472.193152][T18133] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [472.193497][T18133] rtnl_newlink_create (net/core/rtnetlink.c:3840) [472.193846][T18133] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [472.194176][T18133] ? __dev_get_by_name (net/core/dev.c:865) [472.194511][T18133] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [472.194871][T18133] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [472.195223][T18133] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [472.195554][T18133] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [472.195906][T18133] __rtnl_newlink (net/core/rtnetlink.c:3942) [472.196248][T18133] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [472.196589][T18133] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [472.196977][T18133] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [472.197345][T18133] ? __lock_release (kernel/locking/lockdep.c:5539) [472.197742][T18133] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [472.198126][T18133] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [472.198478][T18133] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [472.198847][T18133] ? __lock_acquire (kernel/locking/lockdep.c:5240) [472.199186][T18133] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [472.199535][T18133] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [472.199887][T18133] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [472.200230][T18133] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [472.200574][T18133] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [472.200932][T18133] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [472.201277][T18133] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [472.201621][T18133] ? __lock_acquire (kernel/locking/lockdep.c:5240) [472.202006][T18133] netlink_sendmsg (net/netlink/af_netlink.c:1896) [472.202343][T18133] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [472.202692][T18133] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [472.203092][T18133] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [472.203449][T18133] ? __pfx_____sys_sendmsg (net/socket.c:2560) [472.203784][T18133] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [472.204289][T18133] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [472.204678][T18133] ___sys_sendmsg (net/socket.c:2670) [472.205058][T18133] ? __pfx____sys_sendmsg (net/socket.c:2657) [472.205402][T18133] ? __pfx_handle_pte_fault (mm/memory.c:6026) [472.205745][T18133] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [472.206122][T18133] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [472.206498][T18133] ? __handle_mm_fault (mm/memory.c:6212) [472.206856][T18133] ? __pfx___handle_mm_fault (mm/memory.c:6121) [472.207195][T18133] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [472.207582][T18133] __sys_sendmsg (net/socket.c:2700) [472.207971][T18133] ? __pfx___sys_sendmsg (net/socket.c:2685) [472.208302][T18133] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [472.208670][T18133] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [472.209041][T18133] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [472.209402][T18133] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [472.209751][T18133] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 472.210203][T18133] RIP: 0033:0x7f5daaf621e7 [ 472.210570][T18133] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 472.211893][T18133] RSP: 002b:00007ffef71d4248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 472.212432][T18133] RAX: ffffffffffffffda RBX: 00007ffef71d4970 RCX: 00007f5daaf621e7 [ 472.212962][T18133] RDX: 0000000000000000 RSI: 00007ffef71d42b0 RDI: 0000000000000005 [ 472.213973][T18133] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 472.214773][T18133] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef71d49a8 [ 472.215273][T18133] R13: 00000000686e0ccd R14: 0000000000499600 R15: 0000000000000000 | [ 472.393096][T18135] ------------[ cut here ]------------ | [472.393469][T18135] WARNING: CPU: 0 PID: 18135 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 472.394098][T18135] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 472.395259][T18135] Tainted: [W]=WARN [ 472.395521][T18135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [472.395919][T18135] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 472.396249][T18135] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 472.397381][T18135] RSP: 0018:ffffc90006157080 EFLAGS: 00010246 [ 472.397794][T18135] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 472.398288][T18135] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 472.398775][T18135] RBP: ffffc90006157168 R08: 0000000000000000 R09: 0000000000000000 [ 472.399249][T18135] R10: ffffc90006157198 R11: ffffffff924a8918 R12: 1ffff92000c2ae14 [ 472.399737][T18135] R13: 00000000000005dc R14: ffffc90006157198 R15: ffff8880132a2f08 [ 472.400222][T18135] FS: 00007fa50f438800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 472.400780][T18135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 472.401176][T18135] CR2: 00007f966990f840 CR3: 0000000011ec6005 CR4: 0000000000772ef0 [ 472.401670][T18135] PKRU: 55555554 [ 472.401910][T18135] Call Trace: [ 472.402157][T18135] [472.402322][T18135] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [472.402656][T18135] ? mark_held_locks (kernel/locking/lockdep.c:4328) [472.402990][T18135] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [472.403400][T18135] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [472.403725][T18135] netif_set_mtu (net/core/dev.c:9652) [472.404059][T18135] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [472.404405][T18135] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [472.404871][T18135] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [472.405115][T18135] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [472.405563][T18135] br_add_if (net/bridge/br_if.c:697) bridge [472.405931][T18135] do_set_master (net/core/rtnetlink.c:2948) [472.406249][T18135] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [472.406586][T18135] rtnl_newlink_create (net/core/rtnetlink.c:3840) [472.406916][T18135] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [472.407242][T18135] ? __dev_get_by_name (net/core/dev.c:865) [472.407570][T18135] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [472.407891][T18135] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [472.408214][T18135] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [472.408549][T18135] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [472.408877][T18135] __rtnl_newlink (net/core/rtnetlink.c:3942) [472.409242][T18135] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [472.409583][T18135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [472.409919][T18135] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [472.410234][T18135] ? __lock_release (kernel/locking/lockdep.c:5539) [472.410565][T18135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [472.410888][T18135] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [472.411207][T18135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [472.411531][T18135] ? __lock_acquire (kernel/locking/lockdep.c:5240) [472.411850][T18135] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [472.412173][T18135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [472.412500][T18135] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [472.412827][T18135] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [472.413141][T18135] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [472.413472][T18135] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [472.413810][T18135] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [472.414129][T18135] ? __lock_acquire (kernel/locking/lockdep.c:5240) [472.414462][T18135] netlink_sendmsg (net/netlink/af_netlink.c:1896) [472.414794][T18135] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [472.415120][T18135] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [472.415460][T18135] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [472.415780][T18135] ? __pfx_____sys_sendmsg (net/socket.c:2560) [472.416093][T18135] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [472.416503][T18135] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [472.416825][T18135] ___sys_sendmsg (net/socket.c:2670) [472.417155][T18135] ? __pfx____sys_sendmsg (net/socket.c:2657) [472.417484][T18135] ? __pfx_handle_pte_fault (mm/memory.c:6026) [472.417803][T18135] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [472.418126][T18135] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [472.418457][T18135] ? __handle_mm_fault (mm/memory.c:6212) [472.418774][T18135] ? __pfx___handle_mm_fault (mm/memory.c:6121) [472.419090][T18135] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [472.419428][T18135] __sys_sendmsg (net/socket.c:2700) [472.419745][T18135] ? __pfx___sys_sendmsg (net/socket.c:2685) [472.420067][T18135] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [472.420401][T18135] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [472.420731][T18135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [472.421101][T18135] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [472.421646][T18135] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 472.422269][T18135] RIP: 0033:0x7fa50f6051e7 [ 472.422848][T18135] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 472.424790][T18135] RSP: 002b:00007ffe49065288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 472.425636][T18135] RAX: ffffffffffffffda RBX: 00007ffe490659b0 RCX: 00007fa50f6051e7 [ 472.426445][T18135] RDX: 0000000000000000 RSI: 00007ffe490652f0 RDI: 0000000000000005 [ 472.427231][T18135] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 472.428035][T18135] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe490659e8 [ 472.428828][T18135] R13: 00000000686e0cce R14: 0000000000499600 R15: 0000000000000000 | [ 472.602371][T18137] ------------[ cut here ]------------ | [472.602740][T18137] WARNING: CPU: 3 PID: 18137 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 472.603361][T18137] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 472.604500][T18137] Tainted: [W]=WARN [ 472.604770][T18137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [472.605163][T18137] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 472.605500][T18137] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 472.606647][T18137] RSP: 0018:ffffc900067e7080 EFLAGS: 00010246 [ 472.607047][T18137] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 472.607526][T18137] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 472.607992][T18137] RBP: ffffc900067e7168 R08: 0000000000000000 R09: 0000000000000000 [ 472.608467][T18137] R10: ffffc900067e7198 R11: ffffffff924a8918 R12: 1ffff92000cfce14 [ 472.608934][T18137] R13: 00000000000005dc R14: ffffc900067e7198 R15: ffff8880132a2f08 [ 472.609415][T18137] FS: 00007ff86071c800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 472.609960][T18137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 472.610377][T18137] CR2: 00007f9669820a00 CR3: 000000000e24e002 CR4: 0000000000772ef0 [ 472.610853][T18137] PKRU: 55555554 [ 472.611090][T18137] Call Trace: [ 472.611327][T18137] [472.611502][T18137] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [472.611822][T18137] ? mark_held_locks (kernel/locking/lockdep.c:4328) [472.612138][T18137] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [472.612541][T18137] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [472.612859][T18137] netif_set_mtu (net/core/dev.c:9652) [472.613171][T18137] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [472.613505][T18137] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [472.613954][T18137] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [472.614194][T18137] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [472.614647][T18137] br_add_if (net/bridge/br_if.c:697) bridge [472.615043][T18137] do_set_master (net/core/rtnetlink.c:2948) [472.615365][T18137] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [472.615692][T18137] rtnl_newlink_create (net/core/rtnetlink.c:3840) [472.616025][T18137] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [472.616360][T18137] ? __dev_get_by_name (net/core/dev.c:865) [472.616689][T18137] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [472.617009][T18137] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [472.617340][T18137] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [472.617658][T18137] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [472.617980][T18137] __rtnl_newlink (net/core/rtnetlink.c:3942) [472.618308][T18137] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [472.618650][T18137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [472.618994][T18137] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [472.619324][T18137] ? __lock_release (kernel/locking/lockdep.c:5539) [472.619656][T18137] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [472.619980][T18137] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [472.620296][T18137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [472.620623][T18137] ? __lock_acquire (kernel/locking/lockdep.c:5240) [472.620956][T18137] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [472.621285][T18137] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [472.621608][T18137] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [472.621944][T18137] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [472.622263][T18137] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [472.622594][T18137] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [472.622929][T18137] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [472.623259][T18137] ? __lock_acquire (kernel/locking/lockdep.c:5240) [472.623600][T18137] netlink_sendmsg (net/netlink/af_netlink.c:1896) [472.623928][T18137] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [472.624251][T18137] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [472.624582][T18137] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [472.624916][T18137] ? __pfx_____sys_sendmsg (net/socket.c:2560) [472.625230][T18137] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [472.625640][T18137] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [472.625968][T18137] ___sys_sendmsg (net/socket.c:2670) [472.626286][T18137] ? __pfx____sys_sendmsg (net/socket.c:2657) [472.626609][T18137] ? __pfx_handle_pte_fault (mm/memory.c:6026) [472.626937][T18137] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [472.627297][T18137] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [472.627636][T18137] ? __handle_mm_fault (mm/memory.c:6212) [472.627971][T18137] ? __pfx___handle_mm_fault (mm/memory.c:6121) [472.628289][T18137] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [472.628657][T18137] __sys_sendmsg (net/socket.c:2700) [472.628977][T18137] ? __pfx___sys_sendmsg (net/socket.c:2685) [472.629291][T18137] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [472.629626][T18137] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [472.629954][T18137] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [472.630292][T18137] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [472.630618][T18137] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 472.631014][T18137] RIP: 0033:0x7ff8608e91e7 [ 472.631384][T18137] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 472.632566][T18137] RSP: 002b:00007ffc7cc047a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 472.633047][T18137] RAX: ffffffffffffffda RBX: 00007ffc7cc04ed0 RCX: 00007ff8608e91e7 [ 472.633534][T18137] RDX: 0000000000000000 RSI: 00007ffc7cc04810 RDI: 0000000000000005 [ 472.634016][T18137] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 472.634498][T18137] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc7cc04f08 [ 472.635006][T18137] R13: 00000000686e0cce R14: 0000000000499600 R15: 0000000000000000 | [ 472.795474][T18139] ------------[ cut here ]------------ | [472.795819][T18139] WARNING: CPU: 0 PID: 18139 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 472.796570][T18139] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 472.797801][T18139] Tainted: [W]=WARN [ 472.798080][T18139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [472.798833][T18139] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 472.799457][T18139] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 472.801576][T18139] RSP: 0018:ffffc900067e7080 EFLAGS: 00010246 [ 472.802325][T18139] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 472.803633][T18139] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 472.804542][T18139] RBP: ffffc900067e7168 R08: 0000000000000000 R09: 0000000000000000 [ 472.805062][T18139] R10: ffffc900067e7198 R11: ffffffff924a8918 R12: 1ffff92000cfce14 [ 472.805811][T18139] R13: 00000000000005dc R14: ffffc900067e7198 R15: ffff8880132a2f08 [ 472.806303][T18139] FS: 00007f8020aa8800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 472.807072][T18139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 472.807623][T18139] CR2: 00000000004a1738 CR3: 0000000014023003 CR4: 0000000000772ef0 [ 472.808128][T18139] PKRU: 55555554 [ 472.808400][T18139] Call Trace: [ 472.808639][T18139] [472.808804][T18139] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [472.809142][T18139] ? mark_held_locks (kernel/locking/lockdep.c:4328) [472.809474][T18139] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [472.809883][T18139] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [472.810384][T18139] netif_set_mtu (net/core/dev.c:9652) [472.810996][T18139] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [472.811489][T18139] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [472.811950][T18139] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [472.812223][T18139] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [472.812686][T18139] br_add_if (net/bridge/br_if.c:697) bridge [472.813117][T18139] do_set_master (net/core/rtnetlink.c:2948) [472.813479][T18139] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [472.813815][T18139] rtnl_newlink_create (net/core/rtnetlink.c:3840) [472.814163][T18139] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [472.814502][T18139] ? __dev_get_by_name (net/core/dev.c:865) [472.814847][T18139] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [472.815203][T18139] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [472.815528][T18139] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [472.815847][T18139] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [472.816191][T18139] __rtnl_newlink (net/core/rtnetlink.c:3942) [472.816557][T18139] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [472.816879][T18139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [472.817216][T18139] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [472.817552][T18139] ? __lock_release (kernel/locking/lockdep.c:5539) [472.817873][T18139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [472.818200][T18139] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [472.818527][T18139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [472.818866][T18139] ? __lock_acquire (kernel/locking/lockdep.c:5240) [472.819204][T18139] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [472.819542][T18139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [472.819860][T18139] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [472.820226][T18139] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [472.820555][T18139] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [472.820887][T18139] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [472.821223][T18139] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [472.821571][T18139] ? __lock_acquire (kernel/locking/lockdep.c:5240) [472.821907][T18139] netlink_sendmsg (net/netlink/af_netlink.c:1896) [472.822240][T18139] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [472.822563][T18139] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [472.822892][T18139] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [472.823228][T18139] ? __pfx_____sys_sendmsg (net/socket.c:2560) [472.823550][T18139] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [472.824056][T18139] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [472.824624][T18139] ___sys_sendmsg (net/socket.c:2670) [472.825149][T18139] ? __pfx____sys_sendmsg (net/socket.c:2657) [472.825690][T18139] ? __pfx_handle_pte_fault (mm/memory.c:6026) [472.826210][T18139] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [472.826790][T18139] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [472.827421][T18139] ? __handle_mm_fault (mm/memory.c:6212) [472.828002][T18139] ? __pfx___handle_mm_fault (mm/memory.c:6121) [472.828585][T18139] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [472.829191][T18139] __sys_sendmsg (net/socket.c:2700) [472.829761][T18139] ? __pfx___sys_sendmsg (net/socket.c:2685) [472.830356][T18139] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [472.830957][T18139] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [472.831548][T18139] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [472.832147][T18139] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [472.832735][T18139] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 472.833311][T18139] RIP: 0033:0x7f8020c751e7 [ 472.834034][T18139] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 472.835237][T18139] RSP: 002b:00007ffc9f3e1908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 472.835967][T18139] RAX: ffffffffffffffda RBX: 00007ffc9f3e2030 RCX: 00007f8020c751e7 [ 472.836845][T18139] RDX: 0000000000000000 RSI: 00007ffc9f3e1970 RDI: 0000000000000005 [ 472.837738][T18139] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 472.838427][T18139] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc9f3e2068 [ 472.838915][T18139] R13: 00000000686e0cce R14: 0000000000499600 R15: 0000000000000000 | [ 473.017088][T18141] ------------[ cut here ]------------ | [473.017539][T18141] WARNING: CPU: 1 PID: 18141 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 473.018283][T18141] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 473.019722][T18141] Tainted: [W]=WARN [ 473.019965][T18141] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [473.020488][T18141] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 473.020909][T18141] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 473.022238][T18141] RSP: 0018:ffffc90006157080 EFLAGS: 00010246 [ 473.022661][T18141] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 473.023140][T18141] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 473.023703][T18141] RBP: ffffc90006157168 R08: 0000000000000000 R09: 0000000000000000 [ 473.024210][T18141] R10: ffffc90006157198 R11: ffffffff924a8918 R12: 1ffff92000c2ae14 [ 473.024705][T18141] R13: 00000000000005dc R14: ffffc90006157198 R15: ffff8880132a2f08 [ 473.025344][T18141] FS: 00007f2b3c472800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 473.025935][T18141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 473.026343][T18141] CR2: 00000000004a1738 CR3: 0000000014023004 CR4: 0000000000772ef0 [ 473.026915][T18141] PKRU: 55555554 [ 473.027172][T18141] Call Trace: [ 473.027422][T18141] [473.027584][T18141] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [473.027931][T18141] ? mark_held_locks (kernel/locking/lockdep.c:4328) [473.028350][T18141] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [473.028790][T18141] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [473.029209][T18141] netif_set_mtu (net/core/dev.c:9652) [473.029627][T18141] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [473.029952][T18141] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [473.030511][T18141] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [473.030753][T18141] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [473.031200][T18141] br_add_if (net/bridge/br_if.c:697) bridge [473.031569][T18141] do_set_master (net/core/rtnetlink.c:2948) [473.031884][T18141] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [473.032235][T18141] rtnl_newlink_create (net/core/rtnetlink.c:3840) [473.032573][T18141] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [473.032886][T18141] ? __dev_get_by_name (net/core/dev.c:865) [473.033289][T18141] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [473.033632][T18141] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [473.033985][T18141] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [473.034316][T18141] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [473.034658][T18141] __rtnl_newlink (net/core/rtnetlink.c:3942) [473.034992][T18141] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [473.035331][T18141] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [473.035668][T18141] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [473.035988][T18141] ? __lock_release (kernel/locking/lockdep.c:5539) [473.036335][T18141] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [473.036661][T18141] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [473.036981][T18141] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [473.037380][T18141] ? __lock_acquire (kernel/locking/lockdep.c:5240) [473.037710][T18141] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [473.038025][T18141] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [473.038348][T18141] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [473.038744][T18141] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [473.039143][T18141] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [473.039545][T18141] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [473.039977][T18141] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [473.040560][T18141] ? __lock_acquire (kernel/locking/lockdep.c:5240) [473.041121][T18141] netlink_sendmsg (net/netlink/af_netlink.c:1896) [473.041712][T18141] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [473.042290][T18141] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [473.042771][T18141] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [473.043287][T18141] ? __pfx_____sys_sendmsg (net/socket.c:2560) [473.043870][T18141] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [473.044583][T18141] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [473.045175][T18141] ___sys_sendmsg (net/socket.c:2670) [473.045647][T18141] ? __pfx____sys_sendmsg (net/socket.c:2657) [473.045973][T18141] ? __pfx_handle_pte_fault (mm/memory.c:6026) [473.046428][T18141] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [473.046745][T18141] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [473.047062][T18141] ? __handle_mm_fault (mm/memory.c:6212) [473.047384][T18141] ? __pfx___handle_mm_fault (mm/memory.c:6121) [473.047718][T18141] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [473.048056][T18141] __sys_sendmsg (net/socket.c:2700) [473.048402][T18141] ? __pfx___sys_sendmsg (net/socket.c:2685) [473.048726][T18141] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [473.049056][T18141] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [473.049412][T18141] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [473.049734][T18141] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [473.050051][T18141] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 473.050484][T18141] RIP: 0033:0x7f2b3c63f1e7 [ 473.050808][T18141] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 473.052347][T18141] RSP: 002b:00007ffdc3444068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 473.052930][T18141] RAX: ffffffffffffffda RBX: 00007ffdc3444790 RCX: 00007f2b3c63f1e7 [ 473.053440][T18141] RDX: 0000000000000000 RSI: 00007ffdc34440d0 RDI: 0000000000000005 [ 473.053979][T18141] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 473.054636][T18141] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdc34447c8 [ 473.055314][T18141] R13: 00000000686e0cce R14: 0000000000499600 R15: 0000000000000000 | [ 473.219358][T18144] ------------[ cut here ]------------ | [473.219963][T18144] WARNING: CPU: 3 PID: 18144 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 473.221078][T18144] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 473.223135][T18144] Tainted: [W]=WARN [ 473.223578][T18144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [473.224297][T18144] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 473.224923][T18144] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 473.227008][T18144] RSP: 0018:ffffc900067e7080 EFLAGS: 00010246 [ 473.227751][T18144] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 473.228623][T18144] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 473.229451][T18144] RBP: ffffc900067e7168 R08: 0000000000000000 R09: 0000000000000000 [ 473.230074][T18144] R10: ffffc900067e7198 R11: ffffffff924a8918 R12: 1ffff92000cfce14 [ 473.231215][T18144] R13: 00000000000005dc R14: ffffc900067e7198 R15: ffff8880132a2f08 [ 473.232360][T18144] FS: 00007faf359cf800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 473.233664][T18144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 473.234371][T18144] CR2: 00000000004a1738 CR3: 0000000014009002 CR4: 0000000000772ef0 [ 473.235485][T18144] PKRU: 55555554 [ 473.235918][T18144] Call Trace: [ 473.236258][T18144] [473.236822][T18144] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [473.237738][T18144] ? mark_held_locks (kernel/locking/lockdep.c:4328) [473.238320][T18144] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [473.239331][T18144] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [473.239927][T18144] netif_set_mtu (net/core/dev.c:9652) [473.240525][T18144] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [473.241120][T18144] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [473.241922][T18144] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [473.242359][T18144] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [473.243135][T18144] br_add_if (net/bridge/br_if.c:697) bridge [473.243771][T18144] do_set_master (net/core/rtnetlink.c:2948) [473.244320][T18144] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [473.244901][T18144] rtnl_newlink_create (net/core/rtnetlink.c:3840) [473.245484][T18144] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [473.246032][T18144] ? __dev_get_by_name (net/core/dev.c:865) [473.246605][T18144] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [473.247174][T18144] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [473.247775][T18144] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [473.248333][T18144] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [473.248931][T18144] __rtnl_newlink (net/core/rtnetlink.c:3942) [473.249532][T18144] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [473.250114][T18144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [473.250736][T18144] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [473.251309][T18144] ? __lock_release (kernel/locking/lockdep.c:5539) [473.251894][T18144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [473.252468][T18144] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [473.253045][T18144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [473.253635][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) [473.254204][T18144] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [473.254790][T18144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [473.255380][T18144] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [473.255968][T18144] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [473.256530][T18144] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [473.257090][T18144] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [473.257681][T18144] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [473.258232][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) [473.258812][T18144] netlink_sendmsg (net/netlink/af_netlink.c:1896) [473.259361][T18144] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [473.259915][T18144] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [473.260502][T18144] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [473.261060][T18144] ? __pfx_____sys_sendmsg (net/socket.c:2560) [473.261588][T18144] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [473.262270][T18144] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [473.262870][T18144] ___sys_sendmsg (net/socket.c:2670) [473.263491][T18144] ? __pfx____sys_sendmsg (net/socket.c:2657) [473.264046][T18144] ? __pfx_handle_pte_fault (mm/memory.c:6026) [473.264385][T18144] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [473.264767][T18144] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [473.265312][T18144] ? __handle_mm_fault (mm/memory.c:6212) [473.265856][T18144] ? __pfx___handle_mm_fault (mm/memory.c:6121) [473.266361][T18144] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [473.266960][T18144] __sys_sendmsg (net/socket.c:2700) [473.267565][T18144] ? __pfx___sys_sendmsg (net/socket.c:2685) [473.268155][T18144] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [473.268776][T18144] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [473.269286][T18144] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [473.269845][T18144] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [473.270386][T18144] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 473.271065][T18144] RIP: 0033:0x7faf35b9c1e7 [ 473.271667][T18144] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 473.273056][T18144] RSP: 002b:00007ffe4b10c7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 473.273587][T18144] RAX: ffffffffffffffda RBX: 00007ffe4b10cf00 RCX: 00007faf35b9c1e7 [ 473.280831][T18144] RDX: 0000000000000000 RSI: 00007ffe4b10c840 RDI: 0000000000000005 [ 473.281357][T18144] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 473.281882][T18144] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe4b10cf38 [ 473.282576][T18144] R13: 00000000686e0cce R14: 0000000000499600 R15: 0000000000000000 | [ 473.492126][T18146] ------------[ cut here ]------------ | [473.492857][T18146] WARNING: CPU: 3 PID: 18146 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 473.493973][T18146] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 473.496010][T18146] Tainted: [W]=WARN [ 473.496457][T18146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [473.497154][T18146] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 473.497758][T18146] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 473.499778][T18146] RSP: 0018:ffffc900067e7080 EFLAGS: 00010246 [ 473.500493][T18146] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 473.501307][T18146] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 473.502168][T18146] RBP: ffffc900067e7168 R08: 0000000000000000 R09: 0000000000000000 [ 473.503031][T18146] R10: ffffc900067e7198 R11: ffffffff924a8918 R12: 1ffff92000cfce14 [ 473.503891][T18146] R13: 00000000000005dc R14: ffffc900067e7198 R15: ffff8880132a2f08 [ 473.504777][T18146] FS: 00007fc7390ec800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 473.505773][T18146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 473.506505][T18146] CR2: 00000000004a1738 CR3: 0000000013b8a002 CR4: 0000000000772ef0 [ 473.507327][T18146] PKRU: 55555554 [ 473.507762][T18146] Call Trace: [ 473.508172][T18146] [473.508478][T18146] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [473.509051][T18146] ? mark_held_locks (kernel/locking/lockdep.c:4328) [473.509626][T18146] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [473.510328][T18146] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [473.510921][T18146] netif_set_mtu (net/core/dev.c:9652) [473.511501][T18146] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [473.512094][T18146] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [473.512878][T18146] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [473.513317][T18146] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [473.514104][T18146] br_add_if (net/bridge/br_if.c:697) bridge [473.514772][T18146] do_set_master (net/core/rtnetlink.c:2948) [473.515313][T18146] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [473.515891][T18146] rtnl_newlink_create (net/core/rtnetlink.c:3840) [473.516470][T18146] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [473.516962][T18146] ? __dev_get_by_name (net/core/dev.c:865) [473.517412][T18146] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [473.517980][T18146] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [473.518555][T18146] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [473.519105][T18146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [473.519681][T18146] __rtnl_newlink (net/core/rtnetlink.c:3942) [473.520277][T18146] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [473.520862][T18146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [473.521468][T18146] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [473.522022][T18146] ? __lock_release (kernel/locking/lockdep.c:5539) [473.522587][T18146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [473.523152][T18146] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [473.523715][T18146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [473.524279][T18146] ? __lock_acquire (kernel/locking/lockdep.c:5240) [473.524874][T18146] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [473.525444][T18146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [473.525997][T18146] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [473.526602][T18146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [473.527159][T18146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [473.527728][T18146] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [473.528287][T18146] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [473.528849][T18146] ? __lock_acquire (kernel/locking/lockdep.c:5240) [473.529447][T18146] netlink_sendmsg (net/netlink/af_netlink.c:1896) [473.530016][T18146] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [473.530600][T18146] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [473.531201][T18146] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [473.531772][T18146] ? __pfx_____sys_sendmsg (net/socket.c:2560) [473.532360][T18146] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [473.533076][T18146] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [473.533658][T18146] ___sys_sendmsg (net/socket.c:2670) [473.534240][T18146] ? __pfx____sys_sendmsg (net/socket.c:2657) [473.534810][T18146] ? __pfx_handle_pte_fault (mm/memory.c:6026) [473.535378][T18146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [473.535956][T18146] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [473.536534][T18146] ? __handle_mm_fault (mm/memory.c:6212) [473.537086][T18146] ? __pfx___handle_mm_fault (mm/memory.c:6121) [473.537645][T18146] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [473.538244][T18146] __sys_sendmsg (net/socket.c:2700) [473.538828][T18146] ? __pfx___sys_sendmsg (net/socket.c:2685) [473.539439][T18146] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [473.540005][T18146] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [473.540582][T18146] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [473.541142][T18146] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [473.541710][T18146] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 473.542381][T18146] RIP: 0033:0x7fc7392b91e7 [ 473.542976][T18146] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 473.544967][T18146] RSP: 002b:00007ffc995bb948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 473.545819][T18146] RAX: ffffffffffffffda RBX: 00007ffc995bc070 RCX: 00007fc7392b91e7 [ 473.546662][T18146] RDX: 0000000000000000 RSI: 00007ffc995bb9b0 RDI: 0000000000000005 [ 473.547323][T18146] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 473.548177][T18146] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc995bc0a8 [ 473.549020][T18146] R13: 00000000686e0ccf R14: 0000000000499600 R15: 0000000000000000 | [ 473.782652][T18147] ------------[ cut here ]------------ | [473.782984][T18147] WARNING: CPU: 1 PID: 18147 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 473.783750][T18147] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 473.785028][T18147] Tainted: [W]=WARN [ 473.785269][T18147] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [473.785850][T18147] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 473.786211][T18147] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 473.787527][T18147] RSP: 0018:ffffc90006147080 EFLAGS: 00010246 [ 473.787946][T18147] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 473.788585][T18147] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 473.789088][T18147] RBP: ffffc90006147168 R08: 0000000000000000 R09: 0000000000000000 [ 473.789742][T18147] R10: ffffc90006147198 R11: ffffffff924a8918 R12: 1ffff92000c28e14 [ 473.790257][T18147] R13: 00000000000005dc R14: ffffc90006147198 R15: ffff8880132a2f08 [ 473.790761][T18147] FS: 00007f6335d68800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 473.791340][T18147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 473.791739][T18147] CR2: 00000000004a1738 CR3: 0000000011db8002 CR4: 0000000000772ef0 [ 473.792245][T18147] PKRU: 55555554 [ 473.792491][T18147] Call Trace: [ 473.792755][T18147] [473.792924][T18147] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [473.793287][T18147] ? mark_held_locks (kernel/locking/lockdep.c:4328) [473.793623][T18147] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [473.794043][T18147] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [473.794359][T18147] netif_set_mtu (net/core/dev.c:9652) [473.794739][T18147] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [473.795064][T18147] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [473.795515][T18147] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [473.795760][T18147] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [473.796207][T18147] br_add_if (net/bridge/br_if.c:697) bridge [473.796605][T18147] do_set_master (net/core/rtnetlink.c:2948) [473.796937][T18147] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [473.797270][T18147] rtnl_newlink_create (net/core/rtnetlink.c:3840) [473.797626][T18147] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [473.797953][T18147] ? __dev_get_by_name (net/core/dev.c:865) [473.798278][T18147] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [473.798612][T18147] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [473.798948][T18147] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [473.799269][T18147] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [473.799613][T18147] __rtnl_newlink (net/core/rtnetlink.c:3942) [473.799954][T18147] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [473.800318][T18147] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [473.800661][T18147] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [473.801001][T18147] ? __lock_release (kernel/locking/lockdep.c:5539) [473.801329][T18147] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [473.801663][T18147] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [473.801985][T18147] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [473.802307][T18147] ? __lock_acquire (kernel/locking/lockdep.c:5240) [473.802647][T18147] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [473.802973][T18147] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [473.803298][T18147] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [473.803641][T18147] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [473.803962][T18147] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [473.804283][T18147] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [473.804632][T18147] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [473.804960][T18147] ? __lock_acquire (kernel/locking/lockdep.c:5240) [473.805287][T18147] netlink_sendmsg (net/netlink/af_netlink.c:1896) [473.805621][T18147] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [473.805946][T18147] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [473.806271][T18147] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [473.806597][T18147] ? __pfx_____sys_sendmsg (net/socket.c:2560) [473.806908][T18147] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [473.807317][T18147] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [473.807646][T18147] ___sys_sendmsg (net/socket.c:2670) [473.807971][T18147] ? __pfx____sys_sendmsg (net/socket.c:2657) [473.808301][T18147] ? __pfx_handle_pte_fault (mm/memory.c:6026) [473.808656][T18147] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [473.808971][T18147] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [473.809286][T18147] ? __handle_mm_fault (mm/memory.c:6212) [473.809665][T18147] ? __pfx___handle_mm_fault (mm/memory.c:6121) [473.810007][T18147] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [473.810341][T18147] __sys_sendmsg (net/socket.c:2700) [473.810671][T18147] ? __pfx___sys_sendmsg (net/socket.c:2685) [473.811022][T18147] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [473.811345][T18147] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [473.811673][T18147] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [473.812032][T18147] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [473.812369][T18147] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 473.812841][T18147] RIP: 0033:0x7f6335f351e7 [ 473.813182][T18147] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 473.814350][T18147] RSP: 002b:00007fff32036338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 473.814886][T18147] RAX: ffffffffffffffda RBX: 00007fff32036a60 RCX: 00007f6335f351e7 [ 473.815383][T18147] RDX: 0000000000000000 RSI: 00007fff320363a0 RDI: 0000000000000005 [ 473.815866][T18147] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 473.816442][T18147] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff32036a98 [ 473.816949][T18147] R13: 00000000686e0ccf R14: 0000000000499600 R15: 0000000000000000 | [ 474.022666][T18150] ------------[ cut here ]------------ | [474.023017][T18150] WARNING: CPU: 3 PID: 18150 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 474.023782][T18150] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 474.025121][T18150] Tainted: [W]=WARN [ 474.025376][T18150] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [474.025816][T18150] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 474.026160][T18150] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 474.027369][T18150] RSP: 0018:ffffc90005427080 EFLAGS: 00010246 [ 474.027807][T18150] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 474.028302][T18150] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 474.028815][T18150] RBP: ffffc90005427168 R08: 0000000000000000 R09: 0000000000000000 [ 474.029493][T18150] R10: ffffc90005427198 R11: ffffffff924a8918 R12: 1ffff92000a84e14 [ 474.030007][T18150] R13: 00000000000005dc R14: ffffc90005427198 R15: ffff8880132a2f08 [ 474.030704][T18150] FS: 00007f94418b5800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 474.031689][T18150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 474.032419][T18150] CR2: 00000000004a1738 CR3: 00000000125d0005 CR4: 0000000000772ef0 [ 474.033265][T18150] PKRU: 55555554 [ 474.033699][T18150] Call Trace: [ 474.034129][T18150] [474.034446][T18150] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [474.035051][T18150] ? mark_held_locks (kernel/locking/lockdep.c:4328) [474.035637][T18150] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [474.036300][T18150] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [474.036886][T18150] netif_set_mtu (net/core/dev.c:9652) [474.037462][T18150] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [474.038026][T18150] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [474.038813][T18150] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [474.039230][T18150] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [474.039974][T18150] br_add_if (net/bridge/br_if.c:697) bridge [474.040614][T18150] do_set_master (net/core/rtnetlink.c:2948) [474.041160][T18150] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [474.041679][T18150] rtnl_newlink_create (net/core/rtnetlink.c:3840) [474.042198][T18150] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [474.042738][T18150] ? __dev_get_by_name (net/core/dev.c:865) [474.043301][T18150] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [474.043720][T18150] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [474.044189][T18150] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [474.044523][T18150] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [474.044893][T18150] __rtnl_newlink (net/core/rtnetlink.c:3942) [474.045266][T18150] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [474.045820][T18150] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [474.046429][T18150] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [474.046982][T18150] ? __lock_release (kernel/locking/lockdep.c:5539) [474.047549][T18150] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [474.048099][T18150] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [474.048705][T18150] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [474.049262][T18150] ? __lock_acquire (kernel/locking/lockdep.c:5240) [474.049836][T18150] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [474.050364][T18150] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [474.050894][T18150] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [474.051224][T18150] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [474.051549][T18150] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [474.051979][T18150] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [474.052526][T18150] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [474.053037][T18150] ? __lock_acquire (kernel/locking/lockdep.c:5240) [474.053621][T18150] netlink_sendmsg (net/netlink/af_netlink.c:1896) [474.054193][T18150] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [474.054786][T18150] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [474.055357][T18150] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [474.055964][T18150] ? __pfx_____sys_sendmsg (net/socket.c:2560) [474.056525][T18150] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [474.057196][T18150] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [474.057767][T18150] ___sys_sendmsg (net/socket.c:2670) [474.058337][T18150] ? __pfx____sys_sendmsg (net/socket.c:2657) [474.058884][T18150] ? __pfx_handle_pte_fault (mm/memory.c:6026) [474.059450][T18150] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [474.060020][T18150] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [474.060615][T18150] ? __handle_mm_fault (mm/memory.c:6212) [474.061149][T18150] ? __pfx___handle_mm_fault (mm/memory.c:6121) [474.061512][T18150] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [474.061907][T18150] __sys_sendmsg (net/socket.c:2700) [474.062267][T18150] ? __pfx___sys_sendmsg (net/socket.c:2685) [474.062731][T18150] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [474.063160][T18150] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [474.063499][T18150] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [474.063823][T18150] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [474.064148][T18150] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 474.064563][T18150] RIP: 0033:0x7f9441a821e7 [ 474.064912][T18150] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 474.066072][T18150] RSP: 002b:00007ffeeeb3a958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 474.066587][T18150] RAX: ffffffffffffffda RBX: 00007ffeeeb3b080 RCX: 00007f9441a821e7 [ 474.067068][T18150] RDX: 0000000000000000 RSI: 00007ffeeeb3a9c0 RDI: 0000000000000005 [ 474.067547][T18150] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 474.068030][T18150] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeeeb3b0b8 [ 474.068517][T18150] R13: 00000000686e0ccf R14: 0000000000499600 R15: 0000000000000000 | [ 474.279229][T18152] ------------[ cut here ]------------ | [474.279658][T18152] WARNING: CPU: 1 PID: 18152 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 474.280293][T18152] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 474.281511][T18152] Tainted: [W]=WARN [ 474.281755][T18152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [474.282190][T18152] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 474.282584][T18152] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 474.283740][T18152] RSP: 0018:ffffc90005427080 EFLAGS: 00010246 [ 474.284155][T18152] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 474.284699][T18152] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 474.285200][T18152] RBP: ffffc90005427168 R08: 0000000000000000 R09: 0000000000000000 [ 474.285693][T18152] R10: ffffc90005427198 R11: ffffffff924a8918 R12: 1ffff92000a84e14 [ 474.286227][T18152] R13: 00000000000005dc R14: ffffc90005427198 R15: ffff8880132a2f08 [ 474.286722][T18152] FS: 00007fa70c140800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 474.287326][T18152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 474.287744][T18152] CR2: 00000000004a1738 CR3: 0000000012751004 CR4: 0000000000772ef0 [ 474.288233][T18152] PKRU: 55555554 [ 474.288498][T18152] Call Trace: [ 474.288735][T18152] [474.288908][T18152] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [474.289236][T18152] ? mark_held_locks (kernel/locking/lockdep.c:4328) [474.289606][T18152] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [474.290027][T18152] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [474.290351][T18152] netif_set_mtu (net/core/dev.c:9652) [474.290705][T18152] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [474.291061][T18152] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [474.291519][T18152] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [474.291761][T18152] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [474.292192][T18152] br_add_if (net/bridge/br_if.c:697) bridge [474.292572][T18152] do_set_master (net/core/rtnetlink.c:2948) [474.292892][T18152] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [474.293231][T18152] rtnl_newlink_create (net/core/rtnetlink.c:3840) [474.293574][T18152] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [474.293900][T18152] ? __dev_get_by_name (net/core/dev.c:865) [474.294233][T18152] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [474.294566][T18152] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [474.294936][T18152] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [474.295257][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [474.295585][T18152] __rtnl_newlink (net/core/rtnetlink.c:3942) [474.295927][T18152] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [474.296260][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [474.296622][T18152] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [474.296934][T18152] ? __lock_release (kernel/locking/lockdep.c:5539) [474.297252][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [474.297577][T18152] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [474.297928][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [474.298261][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) [474.298634][T18152] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [474.298989][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [474.299331][T18152] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [474.299665][T18152] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [474.299977][T18152] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [474.300290][T18152] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [474.300627][T18152] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [474.300949][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) [474.301268][T18152] netlink_sendmsg (net/netlink/af_netlink.c:1896) [474.301592][T18152] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [474.301919][T18152] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [474.302244][T18152] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [474.302612][T18152] ? __pfx_____sys_sendmsg (net/socket.c:2560) [474.302932][T18152] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [474.303365][T18152] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [474.303693][T18152] ___sys_sendmsg (net/socket.c:2670) [474.304008][T18152] ? __pfx____sys_sendmsg (net/socket.c:2657) [474.304327][T18152] ? __pfx_handle_pte_fault (mm/memory.c:6026) [474.304687][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [474.305028][T18152] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [474.305355][T18152] ? __handle_mm_fault (mm/memory.c:6212) [474.305690][T18152] ? __pfx___handle_mm_fault (mm/memory.c:6121) [474.306006][T18152] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [474.306362][T18152] __sys_sendmsg (net/socket.c:2700) [474.306689][T18152] ? __pfx___sys_sendmsg (net/socket.c:2685) [474.307011][T18152] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [474.307338][T18152] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [474.307660][T18152] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [474.307984][T18152] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [474.308297][T18152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 474.308710][T18152] RIP: 0033:0x7fa70c30d1e7 [ 474.309041][T18152] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 474.310185][T18152] RSP: 002b:00007ffcda33dd58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 474.310684][T18152] RAX: ffffffffffffffda RBX: 00007ffcda33e480 RCX: 00007fa70c30d1e7 [ 474.311168][T18152] RDX: 0000000000000000 RSI: 00007ffcda33ddc0 RDI: 0000000000000005 [ 474.311655][T18152] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 474.312135][T18152] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcda33e4b8 [ 474.312637][T18152] R13: 00000000686e0ccf R14: 0000000000499600 R15: 0000000000000000 | [ 474.466030][T18153] ------------[ cut here ]------------ | [474.466419][T18153] WARNING: CPU: 2 PID: 18153 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 474.467170][T18153] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 474.469434][T18153] Tainted: [W]=WARN [ 474.469889][T18153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [474.471808][T18153] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 474.472450][T18153] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 474.474524][T18153] RSP: 0000:ffffc90008627080 EFLAGS: 00010246 [ 474.475259][T18153] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 474.475863][T18153] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 474.476384][T18153] RBP: ffffc90008627168 R08: 0000000000000000 R09: 0000000000000000 [ 474.477013][T18153] R10: ffffc90008627198 R11: ffffffff924a8918 R12: 1ffff920010c4e14 [ 474.477555][T18153] R13: 00000000000005dc R14: ffffc90008627198 R15: ffff8880132a2f08 [ 474.478056][T18153] FS: 00007f4b4ce6b800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 474.478632][T18153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 474.479058][T18153] CR2: 00007f96699ed5a0 CR3: 0000000012751002 CR4: 0000000000772ef0 [ 474.479552][T18153] PKRU: 55555554 [ 474.479816][T18153] Call Trace: [ 474.480093][T18153] [474.480278][T18153] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [474.480645][T18153] ? mark_held_locks (kernel/locking/lockdep.c:4328) [474.480998][T18153] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [474.481425][T18153] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [474.481758][T18153] netif_set_mtu (net/core/dev.c:9652) [474.482108][T18153] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [474.482462][T18153] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [474.482940][T18153] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [474.483193][T18153] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [474.483664][T18153] br_add_if (net/bridge/br_if.c:697) bridge [474.484074][T18153] do_set_master (net/core/rtnetlink.c:2948) [474.484418][T18153] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [474.484781][T18153] rtnl_newlink_create (net/core/rtnetlink.c:3840) [474.485118][T18153] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [474.485462][T18153] ? __dev_get_by_name (net/core/dev.c:865) [474.485826][T18153] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [474.486182][T18153] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [474.486534][T18153] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [474.486875][T18153] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [474.487216][T18153] __rtnl_newlink (net/core/rtnetlink.c:3942) [474.487575][T18153] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [474.487957][T18153] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [474.488306][T18153] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [474.488651][T18153] ? __lock_release (kernel/locking/lockdep.c:5539) [474.488999][T18153] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [474.489325][T18153] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [474.489664][T18153] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [474.490041][T18153] ? __lock_acquire (kernel/locking/lockdep.c:5240) [474.490380][T18153] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [474.490718][T18153] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [474.491126][T18153] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [474.491479][T18153] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [474.491839][T18153] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [474.492177][T18153] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [474.492523][T18153] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [474.492865][T18153] ? __lock_acquire (kernel/locking/lockdep.c:5240) [474.493206][T18153] netlink_sendmsg (net/netlink/af_netlink.c:1896) [474.493558][T18153] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [474.493932][T18153] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [474.494274][T18153] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [474.494645][T18153] ? __pfx_____sys_sendmsg (net/socket.c:2560) [474.495012][T18153] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [474.495715][T18153] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [474.496276][T18153] ___sys_sendmsg (net/socket.c:2670) [474.496846][T18153] ? __pfx____sys_sendmsg (net/socket.c:2657) [474.497435][T18153] ? __pfx_handle_pte_fault (mm/memory.c:6026) [474.498035][T18153] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [474.498654][T18153] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [474.499253][T18153] ? __handle_mm_fault (mm/memory.c:6212) [474.499858][T18153] ? __pfx___handle_mm_fault (mm/memory.c:6121) [474.500447][T18153] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [474.501070][T18153] __sys_sendmsg (net/socket.c:2700) [474.501687][T18153] ? __pfx___sys_sendmsg (net/socket.c:2685) [474.502274][T18153] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [474.502902][T18153] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [474.503519][T18153] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [474.504070][T18153] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [474.504560][T18153] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 474.505279][T18153] RIP: 0033:0x7f4b4d0381e7 [ 474.505908][T18153] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 474.507904][T18153] RSP: 002b:00007ffe068ac4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 474.508803][T18153] RAX: ffffffffffffffda RBX: 00007ffe068acbf0 RCX: 00007f4b4d0381e7 [ 474.509698][T18153] RDX: 0000000000000000 RSI: 00007ffe068ac530 RDI: 0000000000000005 [ 474.510597][T18153] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 474.511482][T18153] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe068acc28 [ 474.512352][T18153] R13: 00000000686e0cd0 R14: 0000000000499600 R15: 0000000000000000 | [ 474.685107][T18155] ------------[ cut here ]------------ | [474.685522][T18155] WARNING: CPU: 3 PID: 18155 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 474.686183][T18155] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 474.687412][T18155] Tainted: [W]=WARN [ 474.687666][T18155] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [474.688081][T18155] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 474.688429][T18155] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 474.689613][T18155] RSP: 0018:ffffc90008617080 EFLAGS: 00010246 [ 474.690031][T18155] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 474.690540][T18155] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 474.691034][T18155] RBP: ffffc90008617168 R08: 0000000000000000 R09: 0000000000000000 [ 474.691535][T18155] R10: ffffc90008617198 R11: ffffffff924a8918 R12: 1ffff920010c2e14 [ 474.692027][T18155] R13: 00000000000005dc R14: ffffc90008617198 R15: ffff8880132a2f08 [ 474.692534][T18155] FS: 00007f6efa556800(0000) GS:ffff8880a2c37000(0000) knlGS:0000000000000000 [ 474.693116][T18155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 474.693540][T18155] CR2: 00000000004a1738 CR3: 0000000012d00006 CR4: 0000000000772ef0 [ 474.694040][T18155] PKRU: 55555554 [ 474.694292][T18155] Call Trace: [ 474.694547][T18155] [474.694736][T18155] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [474.695073][T18155] ? mark_held_locks (kernel/locking/lockdep.c:4328) [474.695417][T18155] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [474.695831][T18155] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [474.696168][T18155] netif_set_mtu (net/core/dev.c:9652) [474.696508][T18155] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [474.696856][T18155] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [474.697319][T18155] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [474.697579][T18155] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [474.698033][T18155] br_add_if (net/bridge/br_if.c:697) bridge [474.698419][T18155] do_set_master (net/core/rtnetlink.c:2948) [474.698757][T18155] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [474.699095][T18155] rtnl_newlink_create (net/core/rtnetlink.c:3840) [474.699445][T18155] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [474.699775][T18155] ? __dev_get_by_name (net/core/dev.c:865) [474.700112][T18155] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [474.700452][T18155] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [474.700792][T18155] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [474.701121][T18155] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [474.701500][T18155] __rtnl_newlink (net/core/rtnetlink.c:3942) [474.701835][T18155] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [474.702162][T18155] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [474.702507][T18155] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [474.702825][T18155] ? __lock_release (kernel/locking/lockdep.c:5539) [474.703148][T18155] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [474.703476][T18155] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [474.703800][T18155] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [474.704121][T18155] ? __lock_acquire (kernel/locking/lockdep.c:5240) [474.704453][T18155] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [474.704793][T18155] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [474.705112][T18155] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [474.705446][T18155] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [474.705764][T18155] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [474.706086][T18155] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [474.706412][T18155] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [474.706730][T18155] ? __lock_acquire (kernel/locking/lockdep.c:5240) [474.707055][T18155] netlink_sendmsg (net/netlink/af_netlink.c:1896) [474.707378][T18155] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [474.707707][T18155] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [474.708040][T18155] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [474.708367][T18155] ? __pfx_____sys_sendmsg (net/socket.c:2560) [474.708691][T18155] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [474.709089][T18155] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [474.709421][T18155] ___sys_sendmsg (net/socket.c:2670) [474.709744][T18155] ? __pfx____sys_sendmsg (net/socket.c:2657) [474.710058][T18155] ? __pfx_handle_pte_fault (mm/memory.c:6026) [474.710372][T18155] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [474.710690][T18155] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [474.711018][T18155] ? __handle_mm_fault (mm/memory.c:6212) [474.711336][T18155] ? __pfx___handle_mm_fault (mm/memory.c:6121) [474.711658][T18155] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [474.712004][T18155] __sys_sendmsg (net/socket.c:2700) [474.712319][T18155] ? __pfx___sys_sendmsg (net/socket.c:2685) [474.712667][T18155] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [474.713029][T18155] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [474.713353][T18155] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [474.713687][T18155] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [474.714001][T18155] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 474.714416][T18155] RIP: 0033:0x7f6efa7231e7 [ 474.714770][T18155] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 474.715903][T18155] RSP: 002b:00007fff109171f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 474.716426][T18155] RAX: ffffffffffffffda RBX: 00007fff10917920 RCX: 00007f6efa7231e7 [ 474.716941][T18155] RDX: 0000000000000000 RSI: 00007fff10917260 RDI: 0000000000000005 [ 474.717425][T18155] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 474.717906][T18155] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff10917958 [ 474.718378][T18155] R13: 00000000686e0cd0 R14: 0000000000499600 R15: 0000000000000000 | [ 474.889924][T18157] ------------[ cut here ]------------ | [474.890497][T18157] WARNING: CPU: 0 PID: 18157 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 474.891610][T18157] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 474.893662][T18157] Tainted: [W]=WARN [ 474.894119][T18157] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [474.894859][T18157] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 474.895456][T18157] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 474.897473][T18157] RSP: 0018:ffffc900067e7080 EFLAGS: 00010246 [ 474.898185][T18157] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 474.899022][T18157] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 474.899889][T18157] RBP: ffffc900067e7168 R08: 0000000000000000 R09: 0000000000000000 [ 474.900748][T18157] R10: ffffc900067e7198 R11: ffffffff924a8918 R12: 1ffff92000cfce14 [ 474.901603][T18157] R13: 00000000000005dc R14: ffffc900067e7198 R15: ffff8880132a2f08 [ 474.902473][T18157] FS: 00007f96e5b92800(0000) GS:ffff8880a2ab7000(0000) knlGS:0000000000000000 [ 474.903486][T18157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 474.904194][T18157] CR2: 00000000004a1738 CR3: 000000001371a003 CR4: 0000000000772ef0 [ 474.905075][T18157] PKRU: 55555554 [ 474.905520][T18157] Call Trace: [ 474.905942][T18157] [474.906231][T18157] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [474.906827][T18157] ? mark_held_locks (kernel/locking/lockdep.c:4328) [474.907410][T18157] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [474.908130][T18157] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [474.908733][T18157] netif_set_mtu (net/core/dev.c:9652) [474.909309][T18157] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [474.909903][T18157] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [474.910735][T18157] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [474.911163][T18157] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [474.911950][T18157] br_add_if (net/bridge/br_if.c:697) bridge [474.912614][T18157] do_set_master (net/core/rtnetlink.c:2948) [474.913181][T18157] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [474.913776][T18157] rtnl_newlink_create (net/core/rtnetlink.c:3840) [474.914347][T18157] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [474.914946][T18157] ? __dev_get_by_name (net/core/dev.c:865) [474.915561][T18157] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [474.916125][T18157] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [474.916720][T18157] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [474.917283][T18157] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [474.917879][T18157] __rtnl_newlink (net/core/rtnetlink.c:3942) [474.918486][T18157] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [474.919039][T18157] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [474.919621][T18157] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [474.920194][T18157] ? __lock_release (kernel/locking/lockdep.c:5539) [474.920781][T18157] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [474.921334][T18157] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [474.921904][T18157] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [474.922487][T18157] ? __lock_acquire (kernel/locking/lockdep.c:5240) [474.923063][T18157] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [474.923655][T18157] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [474.924232][T18157] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [474.924875][T18157] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [474.925471][T18157] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [474.926034][T18157] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [474.926655][T18157] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [474.927225][T18157] ? __lock_acquire (kernel/locking/lockdep.c:5240) [474.927817][T18157] netlink_sendmsg (net/netlink/af_netlink.c:1896) [474.928407][T18157] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [474.928960][T18157] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [474.929553][T18157] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [474.930124][T18157] ? __pfx_____sys_sendmsg (net/socket.c:2560) [474.930650][T18157] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [474.931365][T18157] ? debug_object_activate (lib/debugobjects.c:837) [474.931957][T18157] ? __lock_release (kernel/locking/lockdep.c:5539) [474.932526][T18157] ___sys_sendmsg (net/socket.c:2670) [474.933086][T18157] ? __pfx____sys_sendmsg (net/socket.c:2657) [474.933671][T18157] ? trace_ipi_send_cpu.constprop.0 (./include/trace/events/ipi.h:38) [474.934377][T18157] ? __smp_call_single_queue (./arch/x86/include/asm/smp.h:95 kernel/smp.c:118 kernel/smp.c:411) [474.934959][T18157] ? __pfx___smp_call_single_queue (kernel/smp.c:379) [474.935671][T18157] ? find_held_lock (kernel/locking/lockdep.c:5353) [474.936245][T18157] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [474.936836][T18157] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [474.937542][T18157] ? try_to_wake_up (./arch/x86/include/asm/preempt.h:104 ./include/linux/preempt.h:481 ./include/linux/preempt.h:481 kernel/sched/core.c:4190) [474.938112][T18157] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [474.938706][T18157] __sys_sendmsg (net/socket.c:2700) [474.939176][T18157] ? __lock_release (kernel/locking/lockdep.c:5539) [474.939646][T18157] ? __pfx___sys_sendmsg (net/socket.c:2685) [474.940218][T18157] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [474.940834][T18157] ? handle_softirqs (./arch/x86/include/asm/preempt.h:27 kernel/softirq.c:426 kernel/softirq.c:607) [474.941433][T18157] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [474.941902][T18157] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [474.942413][T18157] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 474.943083][T18157] RIP: 0033:0x7f96e5d5f1e7 [ 474.943677][T18157] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 474.945722][T18157] RSP: 002b:00007ffd9f55e8e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 474.946617][T18157] RAX: ffffffffffffffda RBX: 00007ffd9f55f010 RCX: 00007f96e5d5f1e7 [ 474.947485][T18157] RDX: 0000000000000000 RSI: 00007ffd9f55e950 RDI: 0000000000000005 [ 474.948329][T18157] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 474.949213][T18157] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd9f55f048 [ 474.950066][T18157] R13: 00000000686e0cd0 R14: 0000000000499600 R15: 0000000000000000 | [ 475.141186][T18160] ------------[ cut here ]------------ | [475.141668][T18160] WARNING: CPU: 1 PID: 18160 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 475.142460][T18160] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 475.143815][T18160] Tainted: [W]=WARN [ 475.144064][T18160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [475.144662][T18160] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 475.145117][T18160] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 475.147200][T18160] RSP: 0018:ffffc90008617080 EFLAGS: 00010246 [ 475.148213][T18160] RAX: 0000000000000000 RBX: ffff8880132a2000 RCX: 0000000000000001 [ 475.149328][T18160] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 475.150480][T18160] RBP: ffffc90008617168 R08: 0000000000000000 R09: 0000000000000000 [ 475.151338][T18160] R10: ffffc90008617198 R11: ffffffff924a8918 R12: 1ffff920010c2e14 [ 475.152447][T18160] R13: 00000000000005dc R14: ffffc90008617198 R15: ffff8880132a2f08 [ 475.153248][T18160] FS: 00007fee53609800(0000) GS:ffff8880a2b37000(0000) knlGS:0000000000000000 [ 475.154331][T18160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 475.155057][T18160] CR2: 0000562c803f6248 CR3: 000000000c24a001 CR4: 0000000000772ef0 [ 475.155895][T18160] PKRU: 55555554 [ 475.156297][T18160] Call Trace: [ 475.156758][T18160] [475.157053][T18160] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [475.157632][T18160] ? mark_held_locks (kernel/locking/lockdep.c:4328) [475.158195][T18160] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [475.158896][T18160] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [475.159470][T18160] netif_set_mtu (net/core/dev.c:9652) [475.160023][T18160] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [475.160572][T18160] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [475.161292][T18160] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [475.161736][T18160] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [475.162490][T18160] br_add_if (net/bridge/br_if.c:697) bridge [475.162876][T18160] do_set_master (net/core/rtnetlink.c:2948) [475.163227][T18160] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [475.163571][T18160] rtnl_newlink_create (net/core/rtnetlink.c:3840) [475.163943][T18160] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [475.164278][T18160] ? __dev_get_by_name (net/core/dev.c:865) [475.164630][T18160] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [475.164951][T18160] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [475.165289][T18160] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [475.165616][T18160] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [475.165945][T18160] __rtnl_newlink (net/core/rtnetlink.c:3942) [475.166284][T18160] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [475.166626][T18160] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [475.166958][T18160] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [475.167290][T18160] ? __lock_release (kernel/locking/lockdep.c:5539) [475.167621][T18160] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [475.167933][T18160] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [475.168287][T18160] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [475.168626][T18160] ? __lock_acquire (kernel/locking/lockdep.c:5240) [475.168957][T18160] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [475.169297][T18160] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [475.169632][T18160] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [475.169974][T18160] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [475.170293][T18160] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [475.170626][T18160] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [475.170951][T18160] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [475.171270][T18160] ? __lock_acquire (kernel/locking/lockdep.c:5240) [475.171599][T18160] netlink_sendmsg (net/netlink/af_netlink.c:1896) [475.171925][T18160] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [475.172310][T18160] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [475.172664][T18160] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [475.173009][T18160] ? __pfx_____sys_sendmsg (net/socket.c:2560) [475.173346][T18160] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [475.173757][T18160] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [475.174150][T18160] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [475.174486][T18160] ___sys_sendmsg (net/socket.c:2670) [475.174840][T18160] ? __pfx____sys_sendmsg (net/socket.c:2657) [475.175171][T18160] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 1)) [475.175506][T18160] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [475.175827][T18160] ? find_held_lock (kernel/locking/lockdep.c:5353) [475.176151][T18160] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [475.176482][T18160] ? rcu_do_batch (kernel/rcu/tree_nocb.h:1636 kernel/rcu/tree.c:2642) [475.176799][T18160] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [475.177116][T18160] ? find_held_lock (kernel/locking/lockdep.c:5353) [475.177444][T18160] __sys_sendmsg (net/socket.c:2700) [475.177755][T18160] ? __pfx___sys_sendmsg (net/socket.c:2685) [475.178091][T18160] ? note_gp_changes (kernel/rcu/tree.c:1326 (discriminator 1)) [475.178414][T18160] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [475.178736][T18160] ? handle_softirqs (./arch/x86/include/asm/preempt.h:27 kernel/softirq.c:426 kernel/softirq.c:607) [475.179070][T18160] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [475.179401][T18160] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [475.179731][T18160] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 475.180123][T18160] RIP: 0033:0x7fee537d61e7 [ 475.180467][T18160] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 475.181649][T18160] RSP: 002b:00007ffe9a661968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 475.182138][T18160] RAX: ffffffffffffffda RBX: 00007ffe9a662090 RCX: 00007fee537d61e7 [ 475.182653][T18160] RDX: 0000000000000000 RSI: 00007ffe9a6619d0 RDI: 0000000000000005 [ 475.183120][T18160] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 475.183620][T18160] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9a6620c8 [ 475.184112][T18160] R13: 00000000686e0cd0 R14: 0000000000499600 R15: 0000000000000000 | [ 818.991811][ T2931] ------------[ cut here ]------------ | [ 818.992166][ T2931] WARNING: CPU: 2 PID: 2931 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 818.992812][ T2931] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth | [ 818.994048][ T2931] Tainted: [W]=WARN [ 818.994302][ T2931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 818.994792][ T2931] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 818.995143][ T2931] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 818.996263][ T2931] RSP: 0018:ffffc900016aef70 EFLAGS: 00010246 [ 818.996679][ T2931] RAX: 0000000000000000 RBX: ffff888004f1a000 RCX: 0000000000000001 [ 818.997161][ T2931] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 818.997656][ T2931] RBP: ffffc900016af058 R08: 0000000000000000 R09: 0000000000000000 [ 818.998135][ T2931] R10: ffffc900016af088 R11: ffffffff8da00130 R12: 1ffff920002d5df2 [ 818.998622][ T2931] R13: 00000000000005dc R14: ffffc900016af088 R15: ffff888004f1af08 [ 818.999115][ T2931] FS: 00007f5779234800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 818.999678][ T2931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 819.000082][ T2931] CR2: 00000000004e5ab0 CR3: 0000000013a6e004 CR4: 0000000000772ef0 [ 819.000571][ T2931] PKRU: 55555554 [ 819.000818][ T2931] Call Trace: [ 819.001083][ T2931] [ 819.001256][ T2931] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 819.001677][ T2931] ? br_del_if (net/bridge/br_if.c:742) bridge [ 819.002065][ T2931] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 819.002403][ T2931] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 819.002729][ T2931] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 819.003051][ T2931] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 819.003382][ T2931] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 819.003728][ T2931] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 819.004054][ T2931] ? ___sys_sendmsg (net/socket.c:2670) [ 819.004375][ T2931] ? __sys_sendmsg (net/socket.c:2700) [ 819.004709][ T2931] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 819.005044][ T2931] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 819.005464][ T2931] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 819.005803][ T2931] netif_set_mtu (net/core/dev.c:9652) [ 819.006128][ T2931] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 819.006489][ T2931] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 819.006740][ T2931] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 819.007185][ T2931] br_del_if (net/bridge/br_if.c:743) bridge [ 819.007584][ T2931] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 819.007916][ T2931] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 819.008255][ T2931] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 819.008604][ T2931] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 819.009025][ T2931] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 819.009350][ T2931] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 819.009685][ T2931] ? __kernel_text_address (kernel/extable.c:79) [ 819.010018][ T2931] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 819.010352][ T2931] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 819.010703][ T2931] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 819.011112][ T2931] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 819.011454][ T2931] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 819.011777][ T2931] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 819.012098][ T2931] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 819.012437][ T2931] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 819.012761][ T2931] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 819.013086][ T2931] ? __create_object (mm/kmemleak.c:771) [ 819.013423][ T2931] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 819.013748][ T2931] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 819.014070][ T2931] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 819.014478][ T2931] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 819.014810][ T2931] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 819.015152][ T2931] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 819.015484][ T2931] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 819.015824][ T2931] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 819.016149][ T2931] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 819.016480][ T2931] ? __lock_release (kernel/locking/lockdep.c:5539) [ 819.016807][ T2931] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 819.017130][ T2931] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 819.017464][ T2931] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 819.017791][ T2931] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 819.018123][ T2931] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 819.018473][ T2931] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 819.018800][ T2931] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 819.019137][ T2931] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 819.019468][ T2931] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 819.019806][ T2931] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 819.020133][ T2931] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 819.020478][ T2931] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 819.020809][ T2931] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 819.021141][ T2931] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 819.021477][ T2931] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 819.021808][ T2931] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 819.022138][ T2931] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 819.022476][ T2931] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 819.022900][ T2931] ___sys_sendmsg (net/socket.c:2670) [ 819.023229][ T2931] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 819.023563][ T2931] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 819.023962][ T2931] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 819.024287][ T2931] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 819.024627][ T2931] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 819.024960][ T2931] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 819.025300][ T2931] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 819.025641][ T2931] ? __lock_release (kernel/locking/lockdep.c:5539) [ 819.025974][ T2931] __sys_sendmsg (net/socket.c:2700) [ 819.026309][ T2931] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 819.026720][ T2931] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 819.027056][ T2931] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 819.027385][ T2931] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 819.027731][ T2931] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 819.028129][ T2931] RIP: 0033:0x7f57794011e7 [ 819.028479][ T2931] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 819.029617][ T2931] RSP: 002b:00007ffc25e16408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 819.030104][ T2931] RAX: ffffffffffffffda RBX: 00007ffc25e16b30 RCX: 00007f57794011e7 [ 819.030593][ T2931] RDX: 0000000000000000 RSI: 00007ffc25e16470 RDI: 0000000000000005 [ 819.031075][ T2931] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 819.031574][ T2931] R10: 00007f57792feee8 R11: 0000000000000246 R12: 0000000000000003 [ 819.032062][ T2931] R13: 00000000686e0e28 R14: 0000000000499600 R15: 0000000000000000 | [ 819.523761][ T2936] ------------[ cut here ]------------ | [ 819.524132][ T2936] WARNING: CPU: 2 PID: 2936 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 819.524786][ T2936] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth | [ 819.526057][ T2936] Tainted: [W]=WARN [ 819.526313][ T2936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 819.527271][ T2936] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 819.527652][ T2936] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 819.528793][ T2936] RSP: 0018:ffffc900016fef70 EFLAGS: 00010246 [ 819.529207][ T2936] RAX: 0000000000000000 RBX: ffff888004f1a000 RCX: 0000000000000001 [ 819.529721][ T2936] RDX: 0000000000000000 RSI: ffffffff9169b941 RDI: ffffffff90e555e0 [ 819.530207][ T2936] RBP: ffffc900016ff058 R08: 0000000000000000 R09: 0000000000000000 [ 819.530703][ T2936] R10: ffffc900016ff088 R11: ffffffff91b79160 R12: 1ffff920002dfdf2 [ 819.531239][ T2936] R13: 00000000000005dc R14: ffffc900016ff088 R15: ffff888004f1af08 [ 819.531739][ T2936] FS: 00007f1984580800(0000) GS:ffff8880a2bb7000(0000) knlGS:0000000000000000 [ 819.532295][ T2936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 819.532712][ T2936] CR2: 00000000004e5aa8 CR3: 0000000013a6e002 CR4: 0000000000772ef0 [ 819.533201][ T2936] PKRU: 55555554 [ 819.533476][ T2936] Call Trace: [ 819.533725][ T2936] [ 819.533897][ T2936] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 819.534301][ T2936] ? br_del_if (net/bridge/br_if.c:742) bridge [ 819.534688][ T2936] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 819.535079][ T2936] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 819.535435][ T2936] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 819.535761][ T2936] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 819.536089][ T2936] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 819.536446][ T2936] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 819.536772][ T2936] ? ___sys_sendmsg (net/socket.c:2670) [ 819.537099][ T2936] ? __sys_sendmsg (net/socket.c:2700) [ 819.537449][ T2936] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 819.537777][ T2936] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 819.538180][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 819.538541][ T2936] netif_set_mtu (net/core/dev.c:9652) [ 819.538880][ T2936] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 819.539257][ T2936] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 819.539525][ T2936] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 819.539984][ T2936] br_del_if (net/bridge/br_if.c:743) bridge [ 819.540341][ T2936] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 819.540685][ T2936] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 819.541015][ T2936] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 819.541345][ T2936] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 819.541782][ T2936] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 819.542109][ T2936] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 819.542448][ T2936] ? __kernel_text_address (kernel/extable.c:79) [ 819.542784][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 819.543169][ T2936] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 819.543515][ T2936] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 819.543914][ T2936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 819.544241][ T2936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 819.544583][ T2936] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 819.544909][ T2936] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 819.545251][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 819.545612][ T2936] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 819.545936][ T2936] ? __create_object (mm/kmemleak.c:771) [ 819.546270][ T2936] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 819.546621][ T2936] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 819.547001][ T2936] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 819.547423][ T2936] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 819.547759][ T2936] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 819.548092][ T2936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 819.548435][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 819.548769][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 819.549094][ T2936] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 819.549447][ T2936] ? __lock_release (kernel/locking/lockdep.c:5539) [ 819.549786][ T2936] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 819.550110][ T2936] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 819.550447][ T2936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 819.550780][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 819.551145][ T2936] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 819.551491][ T2936] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 819.551816][ T2936] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 819.552162][ T2936] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 819.552499][ T2936] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 819.552827][ T2936] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 819.553156][ T2936] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 819.553524][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 819.553863][ T2936] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 819.554191][ T2936] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 819.554536][ T2936] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 819.554898][ T2936] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 819.555290][ T2936] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 819.555640][ T2936] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 819.556051][ T2936] ___sys_sendmsg (net/socket.c:2670) [ 819.556383][ T2936] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 819.556898][ T2936] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 819.557629][ T2936] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 819.558218][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 819.558706][ T2936] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 819.559238][ T2936] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 819.559786][ T2936] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 819.560333][ T2936] ? __lock_release (kernel/locking/lockdep.c:5539) [ 819.560936][ T2936] __sys_sendmsg (net/socket.c:2700) [ 819.561555][ T2936] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 819.562253][ T2936] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 819.562871][ T2936] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 819.563480][ T2936] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 819.564066][ T2936] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 819.564773][ T2936] RIP: 0033:0x7f198474d1e7 [ 819.565382][ T2936] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 819.567422][ T2936] RSP: 002b:00007fffbe714048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 819.568294][ T2936] RAX: ffffffffffffffda RBX: 00007fffbe714770 RCX: 00007f198474d1e7 [ 819.569178][ T2936] RDX: 0000000000000000 RSI: 00007fffbe7140b0 RDI: 0000000000000005 [ 819.570085][ T2936] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 819.570967][ T2936] R10: 00007f198464aee8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if