====================================== | xx__-> [ 15.262397][ T250] ip (250) used greatest stack depth: 23744 bytes left | [ 18.200314][ T300] ------------[ cut here ]------------ | [ 18.200865][ T300] WARNING: CPU: 2 PID: 300 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) | [ 18.201500][ T300] Modules linked in: vrf veth [ 18.203399][ T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.203797][ T300] 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) [ 18.204150][ T300] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 18.205225][ T300] RSP: 0018:ffffc900005f7140 EFLAGS: 00010246 [ 18.205612][ T300] RAX: 0000000000000000 RBX: ffff888005661000 RCX: 0000000000000001 [ 18.206082][ T300] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 18.206543][ T300] RBP: ffffc900005f7230 R08: ffff888004ffd000 R09: 0000000000000000 [ 18.207000][ T300] R10: ffffc900005f75c8 R11: ffffffffa2650668 R12: 1ffff920000bee2c [ 18.207472][ T300] R13: 0000000000002710 R14: ffffc900005f7880 R15: ffff88800b4c5560 [ 18.207932][ T300] FS: 00007f01e1783800(0000) GS:ffff8880929b7000(0000) knlGS:0000000000000000 [ 18.208477][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.208886][ T300] CR2: 00000000004e5aa0 CR3: 000000000a94c006 CR4: 0000000000772ef0 [ 18.209357][ T300] PKRU: 55555554 [ 18.209592][ T300] Call Trace: [ 18.209831][ T300] [ 18.210000][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 18.210624][ T300] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 18.210936][ T300] ? __lock_release (kernel/locking/lockdep.c:5539) [ 18.211261][ T300] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 18.211571][ T300] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 18.211879][ T300] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 18.212203][ T300] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 18.212533][ T300] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 18.212926][ T300] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.213243][ T300] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 18.213555][ T300] ? __kernel_text_address (kernel/extable.c:79) [ 18.213867][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 18.214187][ T300] ? __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) [ 18.214501][ T300] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 18.214882][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 18.215202][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 18.215513][ T300] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 18.215817][ T300] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 18.216136][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 18.216446][ T300] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 18.216752][ T300] ? __create_object (mm/kmemleak.c:771) [ 18.217074][ T300] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 18.217385][ T300] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 18.217693][ T300] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 18.218085][ T300] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 18.218399][ T300] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 18.218729][ T300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 18.219037][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 18.219366][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 18.219673][ T300] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 18.219975][ T300] ? __lock_release (kernel/locking/lockdep.c:5539) [ 18.220315][ T300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 18.220628][ T300] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 18.220938][ T300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 18.221267][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 18.221586][ T300] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 18.221895][ T300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 18.222217][ T300] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 18.222539][ T300] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 18.222846][ T300] ? 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) [ 18.223162][ T300] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 18.223475][ T300] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 18.223781][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 18.224101][ T300] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 18.224409][ T300] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 18.224718][ T300] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 18.225032][ T300] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 18.225366][ T300] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 18.225675][ T300] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 18.226078][ T300] ___sys_sendmsg (net/socket.c:2670) [ 18.226384][ T300] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 18.226689][ T300] ? __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) [ 18.227103][ T300] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 18.227435][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 18.227747][ T300] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 18.228069][ T300] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 18.228381][ T300] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 18.228696][ T300] ? __lock_release (kernel/locking/lockdep.c:5539) [ 18.229009][ T300] __sys_sendmsg (net/socket.c:2700) [ 18.229330][ T300] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 18.229709][ T300] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 18.230039][ T300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 18.230360][ T300] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 18.230670][ T300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 18.231055][ T300] RIP: 0033:0x7f01e19501e7 [ 18.231383][ T300] 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) [ 18.232470][ T300] RSP: 002b:00007fff46775da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 18.232937][ T300] RAX: ffffffffffffffda RBX: 00007fff467764d0 RCX: 00007f01e19501e7 [ 18.233405][ T300] RDX: 0000000000000000 RSI: 00007fff46775e10 RDI: 0000000000000005 [ 18.233865][ T300] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 18.234338][ T300] R10: 00007f01e184dee8 R11: 0000000000000246 R12: 0000000000000004 [ 18.234796][ T300] R13: 00000000686e705f R14: 0000000000499600 R15: 0000000000000000 | [ 20.842624][ T343] ------------[ cut here ]------------ | [ 20.842969][ T343] WARNING: CPU: 1 PID: 343 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) | [ 20.843572][ T343] Modules linked in: 8021q vrf veth | [ 20.844502][ T343] Tainted: [W]=WARN [ 20.844736][ T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.846163][ T343] 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) [ 20.846475][ T343] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 20.847565][ T343] RSP: 0018:ffffc90000567140 EFLAGS: 00010246 [ 20.847941][ T343] RAX: 0000000000000000 RBX: ffff8880051a4000 RCX: 0000000000000001 [ 20.848410][ T343] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 20.848880][ T343] RBP: ffffc90000567230 R08: ffff88800b5b8800 R09: 0000000000000000 [ 20.849332][ T343] R10: ffffc900005675c8 R11: ffffffffa2650668 R12: 1ffff920000ace2c [ 20.849775][ T343] R13: 0000000000002710 R14: ffffc90000567880 R15: ffff88800a892de0 [ 20.850226][ T343] FS: 00007fb2caeae800(0000) GS:ffff888092937000(0000) knlGS:0000000000000000 [ 20.850744][ T343] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.851124][ T343] CR2: 00000000004e5ab8 CR3: 000000000c370005 CR4: 0000000000772ef0 [ 20.851565][ T343] PKRU: 55555554 [ 20.851786][ T343] Call Trace: [ 20.852006][ T343] [ 20.852173][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.852491][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 20.852789][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.853100][ T343] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 20.853400][ T343] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 20.853696][ T343] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 20.854000][ T343] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 20.854315][ T343] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 20.854690][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.854987][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 20.855295][ T343] ? __kernel_text_address (kernel/extable.c:79) [ 20.855594][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.855898][ T343] ? __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) [ 20.856217][ T343] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 20.856590][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.856892][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.857199][ T343] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 20.857493][ T343] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 20.857789][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.858097][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 20.858389][ T343] ? __create_object (mm/kmemleak.c:771) [ 20.858734][ T343] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 20.859020][ T343] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 20.859316][ T343] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 20.859668][ T343] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 20.859960][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 20.860267][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.860555][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.860841][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.861132][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 20.861413][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.861697][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.861977][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 20.862267][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.862553][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.862889][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 20.863215][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.863514][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 20.863824][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 20.864148][ T343] ? 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) [ 20.864459][ T343] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 20.864759][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 20.865073][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.865377][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 20.865678][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 20.865973][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 20.866286][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 20.866592][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 20.866889][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 20.867277][ T343] ___sys_sendmsg (net/socket.c:2670) [ 20.867575][ T343] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 20.867872][ T343] ? __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) [ 20.868262][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 20.868573][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.868884][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.869196][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.869495][ T343] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 20.869793][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.870108][ T343] __sys_sendmsg (net/socket.c:2700) [ 20.870400][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 20.870769][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 20.871086][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.871393][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 20.871691][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 20.872071][ T343] RIP: 0033:0x7fb2cb07b1e7 [ 20.872398][ T343] 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) [ 20.873455][ T343] RSP: 002b:00007fff503ee088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 20.873903][ T343] RAX: ffffffffffffffda RBX: 00007fff503ee7b0 RCX: 00007fb2cb07b1e7 [ 20.874356][ T343] RDX: 0000000000000000 RSI: 00007fff503ee0f0 RDI: 0000000000000005 [ 20.874827][ T343] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 20.875283][ T343] R10: 00007fb2caf78ee8 R11: 0000000000000246 R12: 0000000000000004 [ 20.875729][ T343] R13: 00000000686e7062 R14: 0000000000499600 R15: 0000000000000000 | [ 24.428215][ T402] ------------[ cut here ]------------ | [ 24.428588][ T402] WARNING: CPU: 1 PID: 402 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) | [ 24.430147][ T402] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 24.431354][ T402] Tainted: [W]=WARN [ 24.431582][ T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.431964][ T402] 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) [ 24.432295][ T402] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 24.433456][ T402] RSP: 0018:ffffc900009e7140 EFLAGS: 00010246 [ 24.433874][ T402] RAX: 0000000000000000 RBX: ffff888009b9c000 RCX: 0000000000000001 [ 24.434378][ T402] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 24.434821][ T402] RBP: ffffc900009e7230 R08: ffff888004f05000 R09: 0000000000000000 [ 24.435261][ T402] R10: ffffc900009e75c8 R11: ffffffffa2650668 R12: 1ffff9200013ce2c [ 24.435700][ T402] R13: 0000000000002710 R14: ffffc900009e7880 R15: ffff88800950b4e0 [ 24.436156][ T402] FS: 00007f2df4c96800(0000) GS:ffff888092937000(0000) knlGS:0000000000000000 [ 24.436728][ T402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.437112][ T402] CR2: 00000000004e5aa8 CR3: 000000000e2f9004 CR4: 0000000000772ef0 [ 24.437560][ T402] PKRU: 55555554 [ 24.437783][ T402] Call Trace: [ 24.438099][ T402] [ 24.438252][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 24.438559][ T402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 24.438871][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) [ 24.439199][ T402] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 24.439498][ T402] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 24.439797][ T402] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 24.440106][ T402] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 24.440430][ T402] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 24.440827][ T402] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.441148][ T402] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 24.441447][ T402] ? __kernel_text_address (kernel/extable.c:79) [ 24.441747][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.442073][ T402] ? __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) [ 24.442385][ T402] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 24.442754][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 24.443082][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 24.443421][ T402] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 24.443737][ T402] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 24.444037][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 24.444362][ T402] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 24.444661][ T402] ? __create_object (mm/kmemleak.c:771) [ 24.444978][ T402] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 24.445327][ T402] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 24.445629][ T402] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 24.446000][ T402] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 24.446310][ T402] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 24.446613][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 24.446917][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.447249][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 24.447563][ T402] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 24.447920][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) [ 24.448288][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 24.448595][ T402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 24.448902][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 24.449222][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.449541][ T402] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 24.449845][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 24.450166][ T402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 24.450493][ T402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 24.450805][ T402] ? 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) [ 24.451160][ T402] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 24.451479][ T402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 24.451788][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.452105][ T402] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 24.452434][ T402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 24.452734][ T402] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 24.453086][ T402] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 24.453393][ T402] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 24.453748][ T402] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 24.454210][ T402] ___sys_sendmsg (net/socket.c:2670) [ 24.454499][ T402] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 24.454791][ T402] ? __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) [ 24.455196][ T402] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 24.455500][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 24.455838][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 24.456155][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 24.456453][ T402] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 24.456747][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) [ 24.457086][ T402] __sys_sendmsg (net/socket.c:2700) [ 24.457378][ T402] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 24.457751][ T402] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 24.458076][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 24.458378][ T402] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 24.458689][ T402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 24.459083][ T402] RIP: 0033:0x7f2df4e631e7 [ 24.459410][ T402] 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) [ 24.460498][ T402] RSP: 002b:00007ffd27081728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 24.460958][ T402] RAX: ffffffffffffffda RBX: 00007ffd27081e50 RCX: 00007f2df4e631e7 [ 24.461409][ T402] RDX: 0000000000000000 RSI: 00007ffd27081790 RDI: 0000000000000005 [ 24.461861][ T402] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 24.462318][ T402] R10: 00007f2df4d60ee8 R11: 0000000000000246 R12: 0000000000000004 [ 24.462766][ T402] R13: 00000000686e7066 R14: 0000000000499600 R15: 0000000000000000 | [ 24.990892][ T414] ------------[ cut here ]------------ | [ 24.991245][ T414] WARNING: CPU: 0 PID: 414 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) | [ 24.991899][ T414] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 24.993306][ T414] Tainted: [W]=WARN [ 24.993600][ T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.993999][ T414] 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) [ 24.994336][ T414] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 24.995475][ T414] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246 [ 24.995888][ T414] RAX: 0000000000000000 RBX: ffff88800e0d2000 RCX: 0000000000000001 [ 24.996544][ T414] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 24.997018][ T414] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000 [ 24.997557][ T414] R10: ffffc900005a7010 R11: ffffffffa26a8918 R12: 1ffff920000b4de2 [ 24.998025][ T414] R13: 0000000000002710 R14: ffffc900005a7010 R15: ffff88800e0d2f08 [ 24.998509][ T414] FS: 00007ff244aa2800(0000) GS:ffff8880928b7000(0000) knlGS:0000000000000000 [ 24.999073][ T414] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.999475][ T414] CR2: 00000000004e5410 CR3: 000000000c36e002 CR4: 0000000000772ef0 [ 24.999945][ T414] PKRU: 55555554 [ 25.000196][ T414] Call Trace: [ 25.000436][ T414] [ 25.000605][ T414] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 25.000924][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.001268][ T414] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 25.001588][ T414] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 25.001992][ T414] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 25.002322][ T414] netif_set_mtu (net/core/dev.c:9652) [ 25.002665][ T414] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 25.002988][ T414] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 25.003434][ T414] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 25.003679][ T414] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 25.004158][ T414] br_add_if (net/bridge/br_if.c:697) bridge [ 25.004547][ T414] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 25.004907][ T414] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 25.005240][ T414] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 25.005655][ T414] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.005968][ T414] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 25.006289][ T414] ? __kernel_text_address (kernel/extable.c:79) [ 25.006631][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.006960][ T414] ? __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) [ 25.007298][ T414] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 25.007700][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.008025][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.008374][ T414] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 25.008698][ T414] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 25.009025][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.009350][ T414] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 25.009664][ T414] ? __create_object (mm/kmemleak.c:771) [ 25.009982][ T414] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 25.010311][ T414] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 25.010626][ T414] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 25.011074][ T414] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 25.011397][ T414] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 25.011729][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.012039][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.012377][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.012708][ T414] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 25.013019][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.013363][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.013696][ T414] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 25.014037][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.014411][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.014732][ T414] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 25.015076][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.015393][ T414] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 25.015716][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 25.016027][ T414] ? 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) [ 25.016359][ T414] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 25.016700][ T414] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 25.017106][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.017431][ T414] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 25.017757][ T414] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 25.018080][ T414] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 25.018410][ T414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 25.018763][ T414] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 25.019103][ T414] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 25.019525][ T414] ___sys_sendmsg (net/socket.c:2670) [ 25.019837][ T414] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 25.020188][ T414] ? __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) [ 25.020585][ T414] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 25.020953][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.021299][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.021627][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.021939][ T414] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 25.022263][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.022598][ T414] __sys_sendmsg (net/socket.c:2700) [ 25.022926][ T414] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 25.023323][ T414] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 25.023652][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.023974][ T414] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 25.024315][ T414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.024709][ T414] RIP: 0033:0x7ff244c6f1e7 [ 25.025075][ T414] 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) [ 25.026283][ T414] RSP: 002b:00007ffffe84b738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.026855][ T414] RAX: ffffffffffffffda RBX: 00007ffffe84be60 RCX: 00007ff244c6f1e7 [ 25.027412][ T414] RDX: 0000000000000000 RSI: 00007ffffe84b7a0 RDI: 0000000000000005 [ 25.027885][ T414] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 25.028384][ T414] R10: 0000000035026910 R11: 0000000000000246 R12: 0000000000000004 [ 25.028897][ T414] R13: 00000000686e7066 R14: 0000000000499600 R15: 0000000000000000 | [ 25.785818][ T431] ------------[ cut here ]------------ | [ 25.786164][ T431] WARNING: CPU: 3 PID: 431 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) | [ 25.786800][ T431] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 25.788025][ T431] Tainted: [W]=WARN [ 25.788273][ T431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.788698][ T431] 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) [ 25.789025][ T431] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 25.790161][ T431] RSP: 0018:ffffc90000646ef0 EFLAGS: 00010246 [ 25.790557][ T431] RAX: 0000000000000000 RBX: ffff88800a1e2000 RCX: 0000000000000001 [ 25.791024][ T431] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 25.791511][ T431] RBP: ffffc90000646fe0 R08: 0000000000000000 R09: 0000000000000000 [ 25.791976][ T431] R10: ffffc90000647010 R11: ffffffffa26a8918 R12: 1ffff920000c8de2 [ 25.792454][ T431] R13: 0000000000002710 R14: ffffc90000647010 R15: ffff88800a1e2f08 [ 25.792931][ T431] FS: 00007f82d7c9e800(0000) GS:ffff888092a37000(0000) knlGS:0000000000000000 [ 25.793505][ T431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.793897][ T431] CR2: 00000000004e5418 CR3: 00000000053bc003 CR4: 0000000000772ef0 [ 25.794377][ T431] PKRU: 55555554 [ 25.794614][ T431] Call Trace: [ 25.794847][ T431] [ 25.795009][ T431] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 25.795329][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.795652][ T431] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 25.795975][ T431] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 25.796371][ T431] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 25.796687][ T431] netif_set_mtu (net/core/dev.c:9652) [ 25.797009][ T431] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 25.797338][ T431] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 25.797775][ T431] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 25.798020][ T431] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 25.798460][ T431] br_add_if (net/bridge/br_if.c:697) bridge [ 25.798862][ T431] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 25.799192][ T431] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 25.799513][ T431] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 25.799913][ T431] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.800234][ T431] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 25.800565][ T431] ? __kernel_text_address (kernel/extable.c:79) [ 25.800884][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.801214][ T431] ? __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) [ 25.801532][ T431] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 25.801917][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.802237][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.802552][ T431] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 25.802876][ T431] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 25.803207][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.803519][ T431] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 25.803825][ T431] ? __create_object (mm/kmemleak.c:771) [ 25.804146][ T431] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 25.804456][ T431] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 25.804767][ T431] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 25.805167][ T431] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 25.805482][ T431] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 25.805802][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.806117][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.806434][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.806746][ T431] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 25.807063][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.807378][ T431] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 25.807695][ T431] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 25.808018][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.808345][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.808693][ T431] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 25.809009][ T431] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 25.809332][ T431] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 25.809654][ T431] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 25.809970][ T431] ? 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) [ 25.810293][ T431] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 25.810608][ T431] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 25.810918][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.811244][ T431] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 25.811568][ T431] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 25.811881][ T431] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 25.812216][ T431] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 25.812544][ T431] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 25.812855][ T431] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 25.813264][ T431] ___sys_sendmsg (net/socket.c:2670) [ 25.813575][ T431] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 25.813886][ T431] ? __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) [ 25.814284][ T431] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 25.814610][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.814926][ T431] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 25.815259][ T431] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 25.815571][ T431] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 25.815894][ T431] ? __lock_release (kernel/locking/lockdep.c:5539) [ 25.816222][ T431] __sys_sendmsg (net/socket.c:2700) [ 25.816537][ T431] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 25.816930][ T431] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 25.817280][ T431] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 25.817597][ T431] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 25.817913][ T431] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.818309][ T431] RIP: 0033:0x7f82d7e6b1e7 [ 25.818659][ T431] 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) [ 25.819788][ T431] RSP: 002b:00007ffe1b504578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 25.820266][ T431] RAX: ffffffffffffffda RBX: 00007ffe1b504ca0 RCX: 00007f82d7e6b1e7 [ 25.820738][ T431] RDX: 0000000000000000 RSI: 00007ffe1b5045e0 RDI: 0000000000000005 [ 25.821215][ T431] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 25.821689][ T431] R10: 000000001d348910 R11: 0000000000000246 R12: 0000000000000004 [ 25.822163][ T431] R13: 00000000686e7067 R14: 0000000000499600 R15: 0000000000000000 | [ 26.485726][ T450] ------------[ cut here ]------------ | [ 26.487312][ T450] WARNING: CPU: 3 PID: 450 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) | [ 26.487909][ T450] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 26.489099][ T450] Tainted: [W]=WARN [ 26.489322][ T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.489684][ T450] 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) [ 26.489984][ T450] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 26.491015][ T450] RSP: 0018:ffffc90000647140 EFLAGS: 00010246 [ 26.491379][ T450] RAX: 0000000000000000 RBX: ffff8880051a1000 RCX: 0000000000000001 [ 26.491806][ T450] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 26.492235][ T450] RBP: ffffc90000647230 R08: ffff88800a8db800 R09: 0000000000000000 [ 26.492669][ T450] R10: ffffc900006475c8 R11: ffffffffa2650668 R12: 1ffff920000c8e2c [ 26.493110][ T450] R13: 0000000000002710 R14: ffffc90000647880 R15: ffff888009a24060 [ 26.493541][ T450] FS: 00007fcfe3752800(0000) GS:ffff888092a37000(0000) knlGS:0000000000000000 [ 26.494068][ T450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.494430][ T450] CR2: 00000000004e5ab0 CR3: 000000000beae004 CR4: 0000000000772ef0 [ 26.494861][ T450] PKRU: 55555554 [ 26.495080][ T450] Call Trace: [ 26.495296][ T450] [ 26.495459][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.495752][ T450] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 26.496035][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) [ 26.496340][ T450] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 26.496643][ T450] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 26.496944][ T450] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 26.497241][ T450] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 26.497542][ T450] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 26.497918][ T450] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.498238][ T450] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 26.498539][ T450] ? __kernel_text_address (kernel/extable.c:79) [ 26.498842][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.499154][ T450] ? __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) [ 26.499443][ T450] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 26.499800][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 26.500105][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 26.500387][ T450] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 26.500678][ T450] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 26.500963][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.501261][ T450] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 26.501540][ T450] ? __create_object (mm/kmemleak.c:771) [ 26.501852][ T450] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 26.502144][ T450] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 26.502445][ T450] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 26.502797][ T450] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 26.503094][ T450] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 26.503384][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 26.503673][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.503960][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.504250][ T450] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 26.504531][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) [ 26.504816][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 26.505109][ T450] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 26.505392][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 26.505700][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.505988][ T450] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 26.506281][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 26.506571][ T450] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 26.506867][ T450] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 26.507173][ T450] ? 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) [ 26.507458][ T450] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 26.507752][ T450] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 26.508033][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.508329][ T450] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 26.508633][ T450] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 26.508918][ T450] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 26.509223][ T450] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 26.509509][ T450] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 26.509794][ T450] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 26.510167][ T450] ___sys_sendmsg (net/socket.c:2670) [ 26.510445][ T450] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 26.510738][ T450] ? __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) [ 26.511098][ T450] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 26.511381][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.511669][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 26.511964][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 26.512259][ T450] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 26.512540][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) [ 26.512842][ T450] __sys_sendmsg (net/socket.c:2700) [ 26.513149][ T450] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 26.513516][ T450] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 26.513833][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 26.514137][ T450] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 26.514449][ T450] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 26.514812][ T450] RIP: 0033:0x7fcfe391f1e7 [ 26.515132][ T450] 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) [ 26.516233][ T450] RSP: 002b:00007fff1aa2d378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.516706][ T450] RAX: ffffffffffffffda RBX: 00007fff1aa2daa0 RCX: 00007fcfe391f1e7 [ 26.517140][ T450] RDX: 0000000000000000 RSI: 00007fff1aa2d3e0 RDI: 0000000000000005 [ 26.517569][ T450] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 26.517998][ T450] R10: 00007fcfe381cee8 R11: 0000000000000246 R12: 0000000000000004 [ 26.518436][ T450] R13: 00000000686e7068 R14: 0000000000499600 R15: 0000000000000000 | [ 27.042450][ T462] ------------[ cut here ]------------ | [ 27.042779][ T462] WARNING: CPU: 0 PID: 462 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) | [ 27.043428][ T462] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 27.045013][ T462] Tainted: [W]=WARN [ 27.045279][ T462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.045673][ T462] 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) [ 27.045999][ T462] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 27.047148][ T462] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246 [ 27.047552][ T462] RAX: 0000000000000000 RBX: ffff88800e0d2000 RCX: 0000000000000001 [ 27.048036][ T462] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 27.048519][ T462] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000 [ 27.049016][ T462] R10: ffffc90000577010 R11: ffffffffa26a8918 R12: 1ffff920000aede2 [ 27.049528][ T462] R13: 0000000000002710 R14: ffffc90000577010 R15: ffff88800e0d2f08 [ 27.049995][ T462] FS: 00007f3069a2a800(0000) GS:ffff8880928b7000(0000) knlGS:0000000000000000 [ 27.050555][ T462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.050952][ T462] CR2: 00000000004e5410 CR3: 000000000bee3001 CR4: 0000000000772ef0 [ 27.051505][ T462] PKRU: 55555554 [ 27.051758][ T462] Call Trace: [ 27.052004][ T462] [ 27.052199][ T462] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 27.052531][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.052878][ T462] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 27.053219][ T462] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 27.053633][ T462] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 27.053975][ T462] netif_set_mtu (net/core/dev.c:9652) [ 27.054323][ T462] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 27.054661][ T462] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 27.055133][ T462] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 27.055383][ T462] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 27.055835][ T462] br_add_if (net/bridge/br_if.c:697) bridge [ 27.056236][ T462] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 27.056578][ T462] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 27.056913][ T462] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 27.057334][ T462] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.057665][ T462] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 27.057995][ T462] ? __kernel_text_address (kernel/extable.c:79) [ 27.058362][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.058718][ T462] ? __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) [ 27.059069][ T462] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 27.059802][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.060158][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.060491][ T462] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 27.061061][ T462] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 27.061392][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.061724][ T462] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 27.062063][ T462] ? __create_object (mm/kmemleak.c:771) [ 27.062397][ T462] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 27.062737][ T462] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 27.063071][ T462] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 27.063506][ T462] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 27.063853][ T462] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 27.064221][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 27.064557][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.064901][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.065240][ T462] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 27.065564][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) [ 27.065906][ T462] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 27.066471][ T462] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 27.066811][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 27.067148][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.067975][ T462] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 27.068346][ T462] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 27.068695][ T462] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 27.069041][ T462] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 27.069380][ T462] ? 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) [ 27.069709][ T462] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 27.070043][ T462] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 27.070386][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.070724][ T462] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 27.071064][ T462] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 27.071392][ T462] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 27.071733][ T462] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 27.072071][ T462] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 27.072628][ T462] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 27.073521][ T462] ___sys_sendmsg (net/socket.c:2670) [ 27.073851][ T462] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 27.074184][ T462] ? __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) [ 27.074594][ T462] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 27.075160][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.075489][ T462] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.075818][ T462] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.076376][ T462] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 27.076723][ T462] ? __lock_release (kernel/locking/lockdep.c:5539) [ 27.077299][ T462] __sys_sendmsg (net/socket.c:2700) [ 27.077630][ T462] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 27.078036][ T462] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 27.078385][ T462] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.078731][ T462] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 27.079297][ T462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 27.079707][ T462] RIP: 0033:0x7f3069bf71e7 [ 27.080054][ T462] 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) [ 27.081527][ T462] RSP: 002b:00007ffd6cfbf5d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.082058][ T462] RAX: ffffffffffffffda RBX: 00007ffd6cfbfd00 RCX: 00007f3069bf71e7 [ 27.082567][ T462] RDX: 0000000000000000 RSI: 00007ffd6cfbf640 RDI: 0000000000000005 [ 27.083341][ T462] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 27.083826][ T462] R10: 00000000318cd910 R11: 0000000000000246 R12: 0000000000000004 [ 27.084550][ T462] R13: 00000000686e7068 R14: 0000000000499600 R15: 0000000000000000 | [ 27.824915][ T479] ------------[ cut here ]------------ | [ 27.825296][ T479] WARNING: CPU: 3 PID: 479 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) | [ 27.825974][ T479] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 27.827287][ T479] Tainted: [W]=WARN [ 27.827538][ T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.827954][ T479] 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) [ 27.828333][ T479] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 27.829592][ T479] RSP: 0018:ffffc90000776ef0 EFLAGS: 00010246 [ 27.830013][ T479] RAX: 0000000000000000 RBX: ffff88800a1e2000 RCX: 0000000000000001 [ 27.830523][ T479] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 27.831022][ T479] RBP: ffffc90000776fe0 R08: 0000000000000000 R09: 0000000000000000 [ 27.831521][ T479] R10: ffffc90000777010 R11: ffffffffa26a8918 R12: 1ffff920000eede2 [ 27.832015][ T479] R13: 0000000000002710 R14: ffffc90000777010 R15: ffff88800a1e2f08 [ 27.832522][ T479] FS: 00007f3fce6bd800(0000) GS:ffff888092a37000(0000) knlGS:0000000000000000 [ 27.833115][ T479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.833537][ T479] CR2: 00000000004e5418 CR3: 000000000b7c9002 CR4: 0000000000772ef0 [ 27.834031][ T479] PKRU: 55555554 [ 27.834285][ T479] Call Trace: [ 27.834534][ T479] [ 27.834705][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 27.835045][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.835399][ T479] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 27.835726][ T479] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 27.836161][ T479] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 27.836494][ T479] netif_set_mtu (net/core/dev.c:9652) [ 27.836833][ T479] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 27.837201][ T479] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 27.837669][ T479] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 27.837921][ T479] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 27.838382][ T479] br_add_if (net/bridge/br_if.c:697) bridge [ 27.838787][ T479] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) [ 27.839140][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 27.839483][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 27.839918][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.840267][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 27.840597][ T479] ? __kernel_text_address (kernel/extable.c:79) [ 27.840946][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.841315][ T479] ? __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) [ 27.841648][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 27.842069][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.842415][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.842741][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 27.843081][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 27.843415][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.843745][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 27.844078][ T479] ? __create_object (mm/kmemleak.c:771) [ 27.844412][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 27.844742][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 27.845094][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 27.845507][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 27.845843][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 27.846185][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 27.846516][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.846852][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.847190][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 27.847519][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) [ 27.847858][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 27.848206][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 27.848541][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 27.848897][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.849251][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 27.849585][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 27.849919][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 27.850288][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 27.850624][ T479] ? 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) [ 27.850968][ T479] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 27.851313][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 27.851652][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.851984][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 27.852327][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 27.852664][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 27.852999][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 27.853357][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 27.853685][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 27.854135][ T479] ___sys_sendmsg (net/socket.c:2670) [ 27.854461][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 27.854803][ T479] ? __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) [ 27.855237][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 27.855570][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.855903][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 27.856254][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 27.856581][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 27.856910][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) [ 27.857280][ T479] __sys_sendmsg (net/socket.c:2700) [ 27.857617][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 27.858031][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 27.858381][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 27.858721][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 27.859068][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 27.859471][ T479] RIP: 0033:0x7f3fce88a1e7 [ 27.859829][ T479] 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) [ 27.861069][ T479] RSP: 002b:00007ffcc34a9668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.861577][ T479] RAX: ffffffffffffffda RBX: 00007ffcc34a9d90 RCX: 00007f3fce88a1e7 [ 27.862088][ T479] RDX: 0000000000000000 RSI: 00007ffcc34a96d0 RDI: 0000000000000005 [ 27.862602][ T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 27.863102][ T479] R10: 000000002f2aa910 R11: 0000000000000246 R12: 0000000000000004 [ 27.863591][ T479] R13: 00000000686e7069 R14: 0000000000499600 R15: 0000000000000000 | [ 113.446703][ T849] ------------[ cut here ]------------ | [ 113.447039][ T849] WARNING: CPU: 3 PID: 849 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) | [ 113.448151][ T849] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 113.449449][ T849] Tainted: [W]=WARN [ 113.449685][ T849] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.450082][ T849] 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) [ 113.450424][ T849] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 113.451541][ T849] RSP: 0018:ffffc900011f6f70 EFLAGS: 00010246 [ 113.451932][ T849] RAX: 0000000000000000 RBX: ffff88800a1e2000 RCX: 0000000000000001 [ 113.452413][ T849] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 113.452891][ T849] RBP: ffffc900011f7058 R08: 0000000000000000 R09: 0000000000000000 [ 113.453369][ T849] R10: ffffc900011f7088 R11: ffffffff9dc00130 R12: 1ffff9200023edf2 [ 113.453835][ T849] R13: 0000000000002710 R14: ffffc900011f7088 R15: ffff88800a1e2f08 [ 113.454304][ T849] FS: 00007fcd18be4800(0000) GS:ffff888092a37000(0000) knlGS:0000000000000000 [ 113.454856][ T849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.455259][ T849] CR2: 00000000004e5630 CR3: 000000000ab84005 CR4: 0000000000772ef0 [ 113.455725][ T849] PKRU: 55555554 [ 113.455960][ T849] Call Trace: [ 113.456204][ T849] [ 113.456361][ T849] ? __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) [ 113.456752][ T849] ? br_del_if (net/bridge/br_if.c:742) bridge [ 113.457127][ T849] ? do_set_master (net/core/rtnetlink.c:2932) [ 113.457438][ T849] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 113.457746][ T849] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.458066][ T849] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 113.458378][ T849] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.458691][ T849] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.459010][ T849] ? ___sys_sendmsg (net/socket.c:2670) [ 113.459341][ T849] ? __sys_sendmsg (net/socket.c:2700) [ 113.459650][ T849] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.459961][ T849] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.460360][ T849] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.460681][ T849] netif_set_mtu (net/core/dev.c:9652) [ 113.460995][ T849] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.461334][ T849] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.461570][ T849] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.462005][ T849] br_del_if (net/bridge/br_if.c:743) bridge [ 113.462362][ T849] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 113.462670][ T849] do_set_master (net/core/rtnetlink.c:2932) [ 113.462982][ T849] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 113.463304][ T849] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 113.463700][ T849] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 113.464012][ T849] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 113.464362][ T849] ? __kernel_text_address (kernel/extable.c:79) [ 113.464681][ T849] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.464995][ T849] ? __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) [ 113.465312][ T849] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 113.465697][ T849] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.466016][ T849] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.466336][ T849] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 113.466652][ T849] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 113.466961][ T849] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.467283][ T849] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.467591][ T849] ? __create_object (mm/kmemleak.c:771) [ 113.467906][ T849] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 113.468228][ T849] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 113.468538][ T849] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 113.468946][ T849] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 113.469273][ T849] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.469586][ T849] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.469896][ T849] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.470225][ T849] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.470536][ T849] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.470845][ T849] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.471173][ T849] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.471489][ T849] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.471801][ T849] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.472133][ T849] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.472447][ T849] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.472752][ T849] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.473074][ T849] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.473395][ T849] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.473707][ T849] ? 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) [ 113.474017][ T849] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 113.474339][ T849] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.474649][ T849] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.474967][ T849] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.475289][ T849] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.475600][ T849] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.475916][ T849] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.476244][ T849] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.476551][ T849] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.476950][ T849] ___sys_sendmsg (net/socket.c:2670) [ 113.477273][ T849] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 113.477581][ T849] ? __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) [ 113.477966][ T849] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.478296][ T849] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.478610][ T849] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.478938][ T849] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.479266][ T849] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 113.479575][ T849] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.479891][ T849] __sys_sendmsg (net/socket.c:2700) [ 113.480211][ T849] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 113.480601][ T849] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.480931][ T849] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.481254][ T849] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.481567][ T849] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.481949][ T849] RIP: 0033:0x7fcd18db11e7 [ 113.482286][ T849] 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) [ 113.483406][ T849] RSP: 002b:00007ffe3c0d6968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.483875][ T849] RAX: ffffffffffffffda RBX: 00007ffe3c0d7090 RCX: 00007fcd18db11e7 [ 113.484352][ T849] RDX: 0000000000000000 RSI: 00007ffe3c0d69d0 RDI: 0000000000000005 [ 113.484816][ T849] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 113.485301][ T849] R10: 00007fcd18caeee8 R11: 0000000000000246 R12: 0000000000000003 [ 113.485764][ T849] R13: 00000000686e70bf R14: 0000000000499600 R15: 0000000000000000 | [ 113.965213][ T857] ------------[ cut here ]------------ | [ 113.965540][ T857] WARNING: CPU: 3 PID: 857 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) | [ 113.966164][ T857] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 113.967499][ T857] Tainted: [W]=WARN [ 113.967734][ T857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.968131][ T857] 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) [ 113.968460][ T857] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 113.970528][ T857] RSP: 0018:ffffc90001246f70 EFLAGS: 00010246 [ 113.970925][ T857] RAX: 0000000000000000 RBX: ffff88800e0d2000 RCX: 0000000000000001 [ 113.971404][ T857] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 113.971910][ T857] RBP: ffffc90001247058 R08: 0000000000000000 R09: 0000000000000000 [ 113.972382][ T857] R10: ffffc90001247088 R11: ffffffffa1d79160 R12: 1ffff92000248df2 [ 113.972848][ T857] R13: 0000000000002710 R14: ffffc90001247088 R15: ffff88800e0d2f08 [ 113.973327][ T857] FS: 00007ff4a0ff9800(0000) GS:ffff888092a37000(0000) knlGS:0000000000000000 [ 113.973872][ T857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.974273][ T857] CR2: 00000000004e5628 CR3: 000000000b4e8006 CR4: 0000000000772ef0 [ 113.974742][ T857] PKRU: 55555554 [ 113.974975][ T857] Call Trace: [ 113.975219][ T857] [ 113.975377][ T857] ? __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) [ 113.975779][ T857] ? br_del_if (net/bridge/br_if.c:742) bridge [ 113.976144][ T857] ? do_set_master (net/core/rtnetlink.c:2932) [ 113.976455][ T857] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 113.976764][ T857] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.977079][ T857] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 113.977391][ T857] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.977698][ T857] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.978018][ T857] ? ___sys_sendmsg (net/socket.c:2670) [ 113.978339][ T857] ? __sys_sendmsg (net/socket.c:2700) [ 113.978651][ T857] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.978973][ T857] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.979369][ T857] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.979691][ T857] netif_set_mtu (net/core/dev.c:9652) [ 113.980005][ T857] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.980342][ T857] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.980586][ T857] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.981014][ T857] br_del_if (net/bridge/br_if.c:743) bridge [ 113.981374][ T857] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 113.981685][ T857] do_set_master (net/core/rtnetlink.c:2932) [ 113.982001][ T857] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 113.982329][ T857] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 113.982720][ T857] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 113.983040][ T857] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 113.983364][ T857] ? __kernel_text_address (kernel/extable.c:79) [ 113.983677][ T857] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.983987][ T857] ? __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) [ 113.984305][ T857] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 113.984696][ T857] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.985008][ T857] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.985334][ T857] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 113.985647][ T857] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 113.985956][ T857] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.986274][ T857] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.986578][ T857] ? __create_object (mm/kmemleak.c:771) [ 113.986889][ T857] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 113.987205][ T857] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 113.987514][ T857] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 113.987907][ T857] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 113.988235][ T857] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.988548][ T857] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.988864][ T857] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.989189][ T857] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.989499][ T857] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.989804][ T857] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.990132][ T857] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.990440][ T857] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.990750][ T857] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.991071][ T857] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.991387][ T857] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.991695][ T857] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.992006][ T857] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.992334][ T857] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.992651][ T857] ? 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) [ 113.992963][ T857] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 113.993285][ T857] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.993591][ T857] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.993905][ T857] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.994233][ T857] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.994541][ T857] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.994864][ T857] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.995186][ T857] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.995497][ T857] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.995891][ T857] ___sys_sendmsg (net/socket.c:2670) [ 113.996205][ T857] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 113.996515][ T857] ? __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) [ 113.996897][ T857] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.997227][ T857] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.997540][ T857] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.997857][ T857] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 113.998179][ T857] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 113.998489][ T857] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.998811][ T857] __sys_sendmsg (net/socket.c:2700) [ 113.999157][ T857] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 113.999554][ T857] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.999877][ T857] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.000198][ T857] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.000509][ T857] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.000895][ T857] RIP: 0033:0x7ff4a11c61e7 [ 114.001228][ T857] 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) [ 114.002352][ T857] RSP: 002b:00007fff877bf348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.002825][ T857] RAX: ffffffffffffffda RBX: 00007fff877bfa70 RCX: 00007ff4a11c61e7 [ 114.003301][ T857] RDX: 0000000000000000 RSI: 00007fff877bf3b0 RDI: 0000000000000005 [ 114.003771][ T857] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 114.004243][ T857] R10: 00007ff4a10c3ee8 R11: 0000000000000246 R12: 0000000000000003 [ 114.004703][ T857] R13: 00000000686e70bf R14: 0000000000499600 R15: 0000000000000000 | [ 114.334794][ T861] ------------[ cut here ]------------ | [ 114.335415][ T861] WARNING: CPU: 2 PID: 861 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) | [ 114.336440][ T861] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 114.338525][ T861] Tainted: [W]=WARN [ 114.338926][ T861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.339320][ T861] 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) [ 114.339648][ T861] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 114.340693][ T861] RSP: 0018:ffffc90001277140 EFLAGS: 00010246 [ 114.341094][ T861] RAX: 0000000000000000 RBX: ffff8880051a1000 RCX: 0000000000000001 [ 114.341530][ T861] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 114.341984][ T861] RBP: ffffc90001277230 R08: ffff888009008800 R09: 0000000000000000 [ 114.342437][ T861] R10: ffffc900012775c8 R11: ffffffffa2650668 R12: 1ffff9200024ee2c [ 114.342897][ T861] R13: 00000000000005dc R14: ffffc90001277880 R15: ffff88800b776360 [ 114.343360][ T861] FS: 00007f347918a800(0000) GS:ffff8880929b7000(0000) knlGS:0000000000000000 [ 114.343871][ T861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.344253][ T861] CR2: 00000000004e5ab0 CR3: 000000000c0cc006 CR4: 0000000000772ef0 [ 114.344691][ T861] PKRU: 55555554 [ 114.344918][ T861] Call Trace: [ 114.345161][ T861] [ 114.345321][ T861] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.345624][ T861] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.345919][ T861] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.346231][ T861] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 114.346528][ T861] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 114.346828][ T861] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 114.347143][ T861] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 114.347450][ T861] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 114.347820][ T861] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 114.348130][ T861] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 114.348425][ T861] ? __kernel_text_address (kernel/extable.c:79) [ 114.348742][ T861] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.349036][ T861] ? __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) [ 114.349350][ T861] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 114.349708][ T861] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.350008][ T861] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.350313][ T861] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 114.350606][ T861] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 114.350900][ T861] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.351207][ T861] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.351496][ T861] ? __create_object (mm/kmemleak.c:771) [ 114.351802][ T861] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 114.352108][ T861] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 114.352403][ T861] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 114.352881][ T861] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 114.353200][ T861] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.353537][ T861] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.353832][ T861] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.354171][ T861] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.354468][ T861] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.354777][ T861] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.355084][ T861] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.355395][ T861] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.355699][ T861] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.356004][ T861] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.356318][ T861] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.356638][ T861] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.356948][ T861] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.357264][ T861] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.357569][ T861] ? 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) [ 114.357871][ T861] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 114.358177][ T861] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.358469][ T861] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.358785][ T861] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.359094][ T861] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.359387][ T861] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.359688][ T861] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.359989][ T861] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.360311][ T861] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.360701][ T861] ___sys_sendmsg (net/socket.c:2670) [ 114.361018][ T861] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 114.361340][ T861] ? __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) [ 114.361714][ T861] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.362011][ T861] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.362320][ T861] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.362619][ T861] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.362915][ T861] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 114.363231][ T861] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.363533][ T861] __sys_sendmsg (net/socket.c:2700) [ 114.363823][ T861] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 114.364191][ T861] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.364493][ T861] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.364788][ T861] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.365092][ T861] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.365462][ T861] RIP: 0033:0x7f34793571e7 [ 114.365766][ T861] 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) [ 114.366804][ T861] RSP: 002b:00007fffe9b37518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.367262][ T861] RAX: ffffffffffffffda RBX: 00007fffe9b37c40 RCX: 00007f34793571e7 [ 114.367700][ T861] RDX: 0000000000000000 RSI: 00007fffe9b37580 RDI: 0000000000000005 [ 114.368153][ T861] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 114.368583][ T861] R10: 00007f3479254ee8 R11: 0000000000000246 R12: 0000000000000004 [ 114.369026][ T861] R13: 00000000686e70c0 R14: 0000000000499600 R15: 0000000000000000 | [ 114.790409][ T867] ------------[ cut here ]------------ | [ 114.790753][ T867] WARNING: CPU: 3 PID: 867 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) | [ 114.791420][ T867] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 114.792716][ T867] Tainted: [W]=WARN [ 114.792955][ T867] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.793363][ T867] 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) [ 114.793696][ T867] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 114.794817][ T867] RSP: 0018:ffffc900012c6f70 EFLAGS: 00010246 [ 114.795218][ T867] RAX: 0000000000000000 RBX: ffff88800a1e2000 RCX: 0000000000000001 [ 114.795692][ T867] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 114.796167][ T867] RBP: ffffc900012c7058 R08: 0000000000000000 R09: 0000000000000000 [ 114.796643][ T867] R10: ffffc900012c7088 R11: ffffffffa1d79160 R12: 1ffff92000258df2 [ 114.797274][ T867] R13: 00000000000005dc R14: ffffc900012c7088 R15: ffff88800a1e2f08 [ 114.797756][ T867] FS: 00007f6c22284800(0000) GS:ffff888092a37000(0000) knlGS:0000000000000000 [ 114.798541][ T867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.798954][ T867] CR2: 00000000004e73c0 CR3: 0000000009599003 CR4: 0000000000772ef0 [ 114.799665][ T867] PKRU: 55555554 [ 114.799907][ T867] Call Trace: [ 114.800169][ T867] [ 114.800332][ T867] ? __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) [ 114.800743][ T867] ? br_del_if (net/bridge/br_if.c:742) bridge [ 114.801118][ T867] ? do_set_master (net/core/rtnetlink.c:2932) [ 114.801450][ T867] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 114.801764][ T867] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.802089][ T867] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 114.802412][ T867] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.802729][ T867] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.803073][ T867] ? ___sys_sendmsg (net/socket.c:2670) [ 114.803395][ T867] ? __sys_sendmsg (net/socket.c:2700) [ 114.803704][ T867] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.804016][ T867] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.804413][ T867] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.804740][ T867] netif_set_mtu (net/core/dev.c:9652) [ 114.805075][ T867] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.805415][ T867] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.805653][ T867] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.806092][ T867] br_del_if (net/bridge/br_if.c:743) bridge [ 114.806437][ T867] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 114.806750][ T867] do_set_master (net/core/rtnetlink.c:2932) [ 114.807087][ T867] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 114.807404][ T867] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 114.807801][ T867] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 114.808135][ T867] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 114.808451][ T867] ? __kernel_text_address (kernel/extable.c:79) [ 114.808785][ T867] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.809114][ T867] ? __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) [ 114.809427][ T867] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 114.809814][ T867] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.810141][ T867] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.810462][ T867] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 114.810774][ T867] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 114.811122][ T867] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.811436][ T867] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.811744][ T867] ? __create_object (mm/kmemleak.c:771) [ 114.812078][ T867] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 114.812392][ T867] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 114.812715][ T867] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 114.813121][ T867] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 114.813442][ T867] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.813757][ T867] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.814086][ T867] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.814405][ T867] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.814717][ T867] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.815029][ T867] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.815368][ T867] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.815695][ T867] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.816014][ T867] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.816342][ T867] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.816667][ T867] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.816984][ T867] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.817310][ T867] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.817638][ T867] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.817947][ T867] ? 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) [ 114.818276][ T867] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 114.818593][ T867] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.818909][ T867] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.819242][ T867] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.819565][ T867] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.819887][ T867] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.820221][ T867] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.820539][ T867] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.820851][ T867] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.821263][ T867] ___sys_sendmsg (net/socket.c:2670) [ 114.821575][ T867] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 114.821888][ T867] ? __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) [ 114.822296][ T867] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.822614][ T867] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.822934][ T867] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.823268][ T867] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 114.823584][ T867] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 114.823897][ T867] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.824232][ T867] __sys_sendmsg (net/socket.c:2700) [ 114.824540][ T867] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 114.824932][ T867] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.825276][ T867] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.825594][ T867] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.825910][ T867] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.826307][ T867] RIP: 0033:0x7f6c224511e7 [ 114.826632][ T867] 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) [ 114.827768][ T867] RSP: 002b:00007ffde2351058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.828264][ T867] RAX: ffffffffffffffda RBX: 00007ffde2351780 RCX: 00007f6c224511e7 [ 114.828745][ T867] RDX: 0000000000000000 RSI: 00007ffde23510c0 RDI: 0000000000000005 [ 114.829232][ T867] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 114.829702][ T867] R10: 00007f6c2234eee8 R11: 0000000000000246 R12: 0000000000000003 [ 114.830185][ T867] R13: 00000000686e70c0 R14: 0000000000499600 R15: 0000000000000000 | [ 115.324805][ T873] ------------[ cut here ]------------ | [ 115.325494][ T873] WARNING: CPU: 2 PID: 873 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) | [ 115.326644][ T873] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 115.329145][ T873] Tainted: [W]=WARN [ 115.329593][ T873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.330360][ T873] 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) [ 115.330981][ T873] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 115.332985][ T873] RSP: 0018:ffffc90001326f70 EFLAGS: 00010246 [ 115.333743][ T873] RAX: 0000000000000000 RBX: ffff88800e0d2000 RCX: 0000000000000001 [ 115.334622][ T873] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 115.335149][ T873] RBP: ffffc90001327058 R08: 0000000000000000 R09: 0000000000000000 [ 115.335627][ T873] R10: ffffc90001327088 R11: ffffffffa1d79160 R12: 1ffff92000264df2 [ 115.336157][ T873] R13: 00000000000005dc R14: ffffc90001327088 R15: ffff88800e0d2f08 [ 115.336644][ T873] FS: 00007f2fbb12d800(0000) GS:ffff8880929b7000(0000) knlGS:0000000000000000 [ 115.337233][ T873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.337638][ T873] CR2: 00000000004e73b8 CR3: 0000000016adc004 CR4: 0000000000772ef0 [ 115.338170][ T873] PKRU: 55555554 [ 115.338423][ T873] Call Trace: [ 115.338683][ T873] [ 115.338880][ T873] ? __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) [ 115.339311][ T873] ? br_del_if (net/bridge/br_if.c:742) bridge [ 115.339682][ T873] ? do_set_master (net/core/rtnetlink.c:2932) [ 115.340297][ T873] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 115.340814][ T873] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.341153][ T873] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 115.341478][ T873] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.341815][ T873] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.342168][ T873] ? ___sys_sendmsg (net/socket.c:2670) [ 115.342501][ T873] ? __sys_sendmsg (net/socket.c:2700) [ 115.342837][ T873] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.343187][ T873] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.343584][ T873] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.343927][ T873] netif_set_mtu (net/core/dev.c:9652) [ 115.344267][ T873] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 115.344609][ T873] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 115.345031][ T873] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 115.345505][ T873] br_del_if (net/bridge/br_if.c:743) bridge [ 115.345890][ T873] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 115.346266][ T873] do_set_master (net/core/rtnetlink.c:2932) [ 115.346601][ T873] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 115.346946][ T873] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 115.347363][ T873] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 115.347686][ T873] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 115.348028][ T873] ? __kernel_text_address (kernel/extable.c:79) [ 115.348375][ T873] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.348775][ T873] ? __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) [ 115.349306][ T873] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 115.349711][ T873] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.350041][ T873] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.350392][ T873] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 115.350723][ T873] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 115.351078][ T873] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.351413][ T873] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.351752][ T873] ? __create_object (mm/kmemleak.c:771) [ 115.352096][ T873] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 115.352425][ T873] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 115.352780][ T873] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 115.353307][ T873] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 115.353638][ T873] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.353993][ T873] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.354343][ T873] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.354681][ T873] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.355008][ T873] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.355341][ T873] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.355669][ T873] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.355998][ T873] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.356339][ T873] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.356681][ T873] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.357011][ T873] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.357350][ T873] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.357672][ T873] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.358005][ T873] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.358346][ T873] ? 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) [ 115.358689][ T873] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 115.359020][ T873] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.359361][ T873] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.359688][ T873] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.360014][ T873] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.360348][ T873] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.360679][ T873] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.361005][ T873] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.361346][ T873] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.361752][ T873] ___sys_sendmsg (net/socket.c:2670) [ 115.362094][ T873] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 115.362417][ T873] ? __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) [ 115.362837][ T873] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.363177][ T873] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.363505][ T873] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.363839][ T873] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.364173][ T873] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 115.364498][ T873] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.364828][ T873] __sys_sendmsg (net/socket.c:2700) [ 115.365161][ T873] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 115.365560][ T873] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.365892][ T873] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.366246][ T873] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.366581][ T873] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.366978][ T873] RIP: 0033:0x7f2fbb2fa1e7 [ 115.367322][ T873] 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) [ 115.368448][ T873] RSP: 002b:00007ffcca6d6be8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.368959][ T873] RAX: ffffffffffffffda RBX: 00007ffcca6d7310 RCX: 00007f2fbb2fa1e7 [ 115.369497][ T873] RDX: 0000000000000000 RSI: 00007ffcca6d6c50 RDI: 0000000000000005 [ 115.369973][ T873] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 115.370474][ T873] R10: 00007f2fbb1f7ee8 R11: 0000000000000246 R12: 0000000000000003 [ 115.370969][ T873] R13: 00000000686e70c1 R14: 0000000000499600 R15: 0000000000000000 | [ 115.663191][ T877] ------------[ cut here ]------------ | [ 115.663553][ T877] WARNING: CPU: 0 PID: 877 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) | [ 115.664763][ T877] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 115.666019][ T877] Tainted: [W]=WARN [ 115.666262][ T877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.666631][ T877] 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) [ 115.666936][ T877] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 115.668004][ T877] RSP: 0018:ffffc90001177140 EFLAGS: 00010246 [ 115.668385][ T877] RAX: 0000000000000000 RBX: ffff888009b9c000 RCX: 0000000000000001 [ 115.668844][ T877] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 115.669291][ T877] RBP: ffffc90001177230 R08: ffff888017226800 R09: 0000000000000000 [ 115.669732][ T877] R10: ffffc900011775c8 R11: ffffffffa2650668 R12: 1ffff9200022ee2c [ 115.670188][ T877] R13: 00000000000005dc R14: ffffc90001177880 R15: ffff88800bc49560 [ 115.670631][ T877] FS: 00007fd987d7c800(0000) GS:ffff8880928b7000(0000) knlGS:0000000000000000 [ 115.671153][ T877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.671526][ T877] CR2: 00000000004e5aa8 CR3: 000000000bccf005 CR4: 0000000000772ef0 [ 115.671983][ T877] PKRU: 55555554 [ 115.672215][ T877] Call Trace: [ 115.672438][ T877] [ 115.672585][ T877] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.672874][ T877] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.673175][ T877] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.673460][ T877] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 115.673744][ T877] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 115.674032][ T877] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 115.674356][ T877] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 115.674647][ T877] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 115.675003][ T877] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 115.675293][ T877] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 115.675579][ T877] ? __kernel_text_address (kernel/extable.c:79) [ 115.675863][ T877] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.676164][ T877] ? __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) [ 115.676449][ T877] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 115.676806][ T877] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.677100][ T877] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.677379][ T877] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 115.677664][ T877] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 115.677953][ T877] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.678253][ T877] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.678538][ T877] ? __create_object (mm/kmemleak.c:771) [ 115.678835][ T877] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 115.679130][ T877] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 115.679419][ T877] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 115.679771][ T877] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 115.680089][ T877] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.680379][ T877] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.680671][ T877] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.680960][ T877] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.681258][ T877] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.681541][ T877] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.681825][ T877] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.682113][ T877] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.682397][ T877] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.682685][ T877] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.682977][ T877] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.683271][ T877] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.683559][ T877] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.683853][ T877] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.684143][ T877] ? 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) [ 115.684429][ T877] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 115.684718][ T877] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.685006][ T877] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.685301][ T877] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.685588][ T877] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.685874][ T877] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.686172][ T877] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.686466][ T877] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.686748][ T877] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.687135][ T877] ___sys_sendmsg (net/socket.c:2670) [ 115.687415][ T877] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 115.687703][ T877] ? __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) [ 115.688069][ T877] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.688358][ T877] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.688645][ T877] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.688945][ T877] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 115.689246][ T877] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 115.689533][ T877] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.689825][ T877] __sys_sendmsg (net/socket.c:2700) [ 115.690115][ T877] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 115.690461][ T877] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.690757][ T877] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.691041][ T877] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.691342][ T877] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.691695][ T877] RIP: 0033:0x7fd987f491e7 [ 115.691995][ T877] 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) [ 115.693013][ T877] RSP: 002b:00007ffdcb6dc528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.693458][ T877] RAX: ffffffffffffffda RBX: 00007ffdcb6dcc50 RCX: 00007fd987f491e7 [ 115.693885][ T877] RDX: 0000000000000000 RSI: 00007ffdcb6dc590 RDI: 0000000000000005 [ 115.694315][ T877] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 115.694739][ T877] R10: 00007fd987e46ee8 R11: 0000000000000246 R12: 0000000000000004 [ 115.695173][ T877] R13: 00000000686e70c1 R14: 0000000000499600 R15: 0000000000000000 | [ 116.917238][ T891] ------------[ cut here ]------------ | [ 116.917571][ T891] WARNING: CPU: 3 PID: 891 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) | [ 116.918149][ T891] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 116.919353][ T891] Tainted: [W]=WARN [ 116.919580][ T891] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.919935][ T891] 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) [ 116.920236][ T891] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 116.921249][ T891] RSP: 0018:ffffc900013e7140 EFLAGS: 00010246 [ 116.921606][ T891] RAX: 0000000000000000 RBX: ffff8880051a4000 RCX: 0000000000000001 [ 116.922038][ T891] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 116.922474][ T891] RBP: ffffc900013e7230 R08: ffff888004fc3800 R09: 0000000000000000 [ 116.922900][ T891] R10: ffffc900013e75c8 R11: ffffffffa2650668 R12: 1ffff9200027ce2c [ 116.923328][ T891] R13: 00000000000005dc R14: ffffc900013e7880 R15: ffff888016986a60 [ 116.923757][ T891] FS: 00007fa45ab80800(0000) GS:ffff888092a37000(0000) knlGS:0000000000000000 [ 116.924267][ T891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.924618][ T891] CR2: 00000000004e5ab8 CR3: 00000000091ce004 CR4: 0000000000772ef0 [ 116.925039][ T891] PKRU: 55555554 [ 116.925256][ T891] Call Trace: [ 116.925467][ T891] [ 116.925612][ T891] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 116.925898][ T891] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.926188][ T891] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.926479][ T891] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 116.926761][ T891] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 116.927063][ T891] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 116.927361][ T891] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 116.927660][ T891] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 116.928013][ T891] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 116.928303][ T891] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 116.928581][ T891] ? __kernel_text_address (kernel/extable.c:79) [ 116.928872][ T891] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.929169][ T891] ? __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) [ 116.929454][ T891] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 116.929806][ T891] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.930105][ T891] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.930385][ T891] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 116.930664][ T891] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 116.930946][ T891] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 116.931232][ T891] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.931512][ T891] ? __create_object (mm/kmemleak.c:771) [ 116.931794][ T891] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 116.932087][ T891] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 116.932368][ T891] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 116.932714][ T891] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 116.932998][ T891] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.933291][ T891] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.933571][ T891] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.933861][ T891] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 116.934149][ T891] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.934434][ T891] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.934714][ T891] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.934990][ T891] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.935282][ T891] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.935565][ T891] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.935847][ T891] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.936136][ T891] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.936424][ T891] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.936714][ T891] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.936989][ T891] ? 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) [ 116.937282][ T891] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 116.937569][ T891] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.937846][ T891] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.938138][ T891] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.938429][ T891] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.938719][ T891] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.939010][ T891] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.939305][ T891] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.939586][ T891] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.939942][ T891] ___sys_sendmsg (net/socket.c:2670) [ 116.940249][ T891] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 116.940536][ T891] ? __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) [ 116.940882][ T891] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.941175][ T891] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 116.941460][ T891] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.941744][ T891] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 116.942029][ T891] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 116.942319][ T891] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.942614][ T891] __sys_sendmsg (net/socket.c:2700) [ 116.942892][ T891] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 116.943246][ T891] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.943538][ T891] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.943815][ T891] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.944105][ T891] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.944452][ T891] RIP: 0033:0x7fa45ad4d1e7 [ 116.944741][ T891] 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) [ 116.945762][ T891] RSP: 002b:00007ffdc380b5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.946198][ T891] RAX: ffffffffffffffda RBX: 00007ffdc380bcf0 RCX: 00007fa45ad4d1e7 [ 116.946626][ T891] RDX: 0000000000000000 RSI: 00007ffdc380b630 RDI: 0000000000000005 [ 116.947058][ T891] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 116.947481][ T891] R10: 00007fa45ac4aee8 R11: 0000000000000246 R12: 0000000000000004 [ 116.947902][ T891] R13: 00000000686e70c2 R14: 0000000000499600 R15: 0000000000000000 | [ 118.145349][ T903] ------------[ cut here ]------------ | [ 118.145698][ T903] WARNING: CPU: 0 PID: 903 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) | [ 118.146278][ T903] Modules linked in: sch_tbf sch_ets bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth | [ 118.147566][ T903] Tainted: [W]=WARN [ 118.147781][ T903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 118.148155][ T903] 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) [ 118.148462][ T903] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02 mov 0x23abbb7(%rip),%eax # 0x23abbbf 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 fa 61 7b 00 call 0x7b621b 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 [ 118.149526][ T903] RSP: 0018:ffffc90001277140 EFLAGS: 00010246 [ 118.149894][ T903] RAX: 0000000000000000 RBX: ffff888005661000 RCX: 0000000000000001 [ 118.150322][ T903] RDX: 0000000000000000 RSI: ffffffffa189b939 RDI: ffffffffa10555e0 [ 118.150743][ T903] RBP: ffffc90001277230 R08: ffff888009808800 R09: 0000000000000000 [ 118.151180][ T903] R10: ffffc900012775c8 R11: ffffffffa2650668 R12: 1ffff9200024ee2c [ 118.151608][ T903] R13: 00000000000005dc R14: ffffc90001277880 R15: ffff88800be66a60 [ 118.152030][ T903] FS: 00007fea20ebc800(0000) GS:ffff8880928b7000(0000) knlGS:0000000000000000 [ 118.152531][ T903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 118.152889][ T903] CR2: 00000000004e5aa0 CR3: 000000000c0e4003 CR4: 0000000000772ef0 [ 118.153326][ T903] PKRU: 55555554 [ 118.153545][ T903] Call Trace: [ 118.153761][ T903] [ 118.153907][ T903] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 118.154203][ T903] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 118.154482][ T903] ? __lock_release (kernel/locking/lockdep.c:5539) [ 118.154765][ T903] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) [ 118.155072][ T903] ? is_bpf_text_address (kernel/bpf/core.c:777) [ 118.155372][ T903] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 118.155675][ T903] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) [ 118.155989][ T903] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 118.156376][ T903] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 118.156661][ T903] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 118.156951][ T903] ? __kernel_text_address (kernel/extable.c:79) [ 118.157246][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.157536][ T903] ? __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) [ 118.157823][ T903] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 118.158183][ T903] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 118.158467][ T903] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 118.158759][ T903] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 118.159042][ T903] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 118.159338][ T903] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 118.159623][ T903] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 118.159903][ T903] ? __create_object (mm/kmemleak.c:771) [ 118.160201][ T903] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 118.160483][ T903] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 118.160763][ T903] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 118.161123][ T903] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 118.161408][ T903] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 118.161694][ T903] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 118.161975][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.162275][ T903] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 118.162559][ T903] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 118.162838][ T903] ? __lock_release (kernel/locking/lockdep.c:5539) [ 118.163162][ T903] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 118.163442][ T903] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 118.163722][ T903] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 118.164008][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.164307][ T903] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 118.165197][ T903] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 118.165486][ T903] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 118.165788][ T903] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 118.166081][ T903] ? 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) [ 118.166366][ T903] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) [ 118.166650][ T903] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 118.166930][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.167230][ T903] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 118.167522][ T903] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 118.167818][ T903] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 118.168147][ T903] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 118.168438][ T903] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 118.168729][ T903] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 118.169108][ T903] ___sys_sendmsg (net/socket.c:2670) [ 118.169394][ T903] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 118.169677][ T903] ? __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) [ 118.170039][ T903] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 118.170344][ T903] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 118.170632][ T903] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 118.170925][ T903] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 118.171220][ T903] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 118.171504][ T903] ? __lock_release (kernel/locking/lockdep.c:5539) [ 118.171794][ T903] __sys_sendmsg (net/socket.c:2700) [ 118.172081][ T903] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 118.172437][ T903] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 118.172730][ T903] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 118.173015][ T903] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 118.173314][ T903] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 118.173686][ T903] RIP: 0033:0x7fea210891e7 [ 118.173981][ T903] 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) [ 118.175002][ T903] RSP: 002b:00007ffe5b891048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 118.175440][ T903] RAX: ffffffffffffffda RBX: 00007ffe5b891770 RCX: 00007fea210891e7 [ 118.175858][ T903] RDX: 0000000000000000 RSI: 00007ffe5b8910b0 RDI: 0000000000000005 [ 118.176293][ T903] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 118.176711][ T903] R10: 00007fea20f86ee8 R11: 0000000000000246 R12: 0000000000000004 Finger prints: netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if