====================================== | [ 21.323095][ T330] veth1: entered promiscuous mode | [ 21.324621][ T330] ------------[ cut here ]------------ | [ 21.325107][ T330] WARNING: CPU: 3 PID: 330 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) | [ 21.325715][ T330] Modules linked in: bridge stp llc 8021q vrf veth [ 21.327037][ T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.327430][ T330] 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) [ 21.327748][ T330] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 21.328944][ T330] RSP: 0018:ffffc90000716ef0 EFLAGS: 00010246 [ 21.329351][ T330] RAX: 0000000000000000 RBX: ffff88800e1b2000 RCX: 0000000000000001 [ 21.329821][ T330] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 21.330384][ T330] RBP: ffffc90000716fe0 R08: 0000000000000000 R09: 0000000000000000 [ 21.330854][ T330] R10: ffffc90000717010 R11: ffffffffacca8918 R12: 1ffff920000e2de2 [ 21.331333][ T330] R13: 00000000000005dc R14: ffffc90000717010 R15: ffff88800e1b2f08 [ 21.331803][ T330] FS: 00007f29ecce5800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 21.332356][ T330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.332741][ T330] CR2: 00000000004e5aa8 CR3: 000000000e1c2002 CR4: 0000000000772ef0 [ 21.333231][ T330] PKRU: 55555554 [ 21.333580][ T330] Call Trace: [ 21.333824][ T330] [ 21.334000][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 21.334315][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.334627][ T330] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 21.334941][ T330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 21.335335][ T330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 21.335644][ T330] netif_set_mtu (net/core/dev.c:9652) [ 21.335971][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 21.336301][ T330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 21.336727][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 21.336977][ T330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 21.337405][ T330] br_add_if (net/bridge/br_if.c:697) bridge [ 21.337757][ T330] do_set_master (net/core/rtnetlink.c:2948) [ 21.338092][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 21.338408][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 21.338803][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.339127][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 21.339430][ T330] ? __kernel_text_address (kernel/extable.c:79) [ 21.339747][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.340076][ T330] ? __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) [ 21.340395][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 21.340791][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.341111][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.341417][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 21.341722][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 21.342049][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.342355][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 21.342656][ T330] ? __create_object (mm/kmemleak.c:771) [ 21.342979][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 21.343293][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 21.343597][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 21.343997][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 21.344314][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 21.344624][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 21.344939][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.345267][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.345581][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 21.345908][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) [ 21.346229][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 21.346540][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 21.346854][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 21.347174][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.347488][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 21.347802][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 21.348129][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 21.348451][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 21.348753][ T330] ? 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) [ 21.349080][ T330] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 21.349392][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 21.349694][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.350026][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 21.350345][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 21.350649][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 21.350974][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 21.351289][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 21.351599][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 21.352009][ T330] ___sys_sendmsg (net/socket.c:2670) [ 21.352314][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 21.352625][ T330] ? __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) [ 21.353025][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 21.353337][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.353645][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.354036][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.354366][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 21.354686][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) [ 21.355040][ T330] __sys_sendmsg (net/socket.c:2700) [ 21.355365][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 21.355779][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 21.356121][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.356445][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 21.356781][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 21.357188][ T330] RIP: 0033:0x7f29eceb21e7 [ 21.357537][ T330] 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) [ 21.358699][ T330] RSP: 002b:00007ffd7fd88898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 21.359196][ T330] RAX: ffffffffffffffda RBX: 00007ffd7fd88fc0 RCX: 00007f29eceb21e7 [ 21.359690][ T330] RDX: 0000000000000000 RSI: 00007ffd7fd88900 RDI: 0000000000000005 [ 21.360194][ T330] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 21.360683][ T330] R10: 000000000b1a5910 R11: 0000000000000246 R12: 0000000000000004 [ 21.361180][ T330] R13: 00000000686e41b4 R14: 0000000000499600 R15: 0000000000000000 | [ 21.849450][ T334] ------------[ cut here ]------------ | [ 21.849828][ T334] WARNING: CPU: 0 PID: 334 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) | [ 21.850534][ T334] Modules linked in: bridge stp llc 8021q vrf veth | [ 21.851694][ T334] Tainted: [W]=WARN [ 21.851974][ T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.852405][ T334] 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) [ 21.852764][ T334] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 21.854008][ T334] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246 [ 21.854446][ T334] RAX: 0000000000000000 RBX: ffff88800e1b2000 RCX: 0000000000000001 [ 21.854977][ T334] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 21.855495][ T334] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000 [ 21.856020][ T334] R10: ffffc90000607010 R11: ffffffffacca8918 R12: 1ffff920000c0de2 [ 21.856536][ T334] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff88800e1b2f08 [ 21.857060][ T334] FS: 00007fd53aea2800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 21.857670][ T334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.858116][ T334] CR2: 00000000004e5ab0 CR3: 0000000004cef003 CR4: 0000000000772ef0 [ 21.858645][ T334] PKRU: 55555554 [ 21.858916][ T334] Call Trace: [ 21.859176][ T334] [ 21.859357][ T334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 21.859710][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.860071][ T334] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 21.860438][ T334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 21.860881][ T334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 21.861234][ T334] netif_set_mtu (net/core/dev.c:9652) [ 21.861581][ T334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 21.861953][ T334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 21.862443][ T334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 21.862708][ T334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 21.863209][ T334] br_add_if (net/bridge/br_if.c:697) bridge [ 21.863607][ T334] do_set_master (net/core/rtnetlink.c:2948) [ 21.863970][ T334] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 21.864321][ T334] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 21.864758][ T334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.865128][ T334] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 21.865475][ T334] ? __kernel_text_address (kernel/extable.c:79) [ 21.865836][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.866191][ T334] ? __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) [ 21.866539][ T334] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 21.866978][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.867329][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.867679][ T334] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 21.868037][ T334] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 21.868385][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.868730][ T334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 21.869084][ T334] ? __create_object (mm/kmemleak.c:771) [ 21.869432][ T334] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 21.869791][ T334] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 21.870142][ T334] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 21.870582][ T334] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 21.870963][ T334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 21.871318][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 21.871661][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.872024][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.872372][ T334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 21.872714][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) [ 21.873076][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 21.873421][ T334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 21.873783][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 21.874134][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.874486][ T334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 21.874843][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 21.875191][ T334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 21.875554][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 21.875911][ T334] ? 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) [ 21.876260][ T334] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 21.876610][ T334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 21.876962][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.877315][ T334] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 21.877663][ T334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 21.878024][ T334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 21.878378][ T334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 21.878729][ T334] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 21.879083][ T334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 21.879525][ T334] ___sys_sendmsg (net/socket.c:2670) [ 21.879877][ T334] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 21.880243][ T334] ? __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) [ 21.880682][ T334] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 21.881042][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.881394][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 21.881746][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 21.882106][ T334] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 21.882454][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) [ 21.882825][ T334] __sys_sendmsg (net/socket.c:2700) [ 21.883171][ T334] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 21.883609][ T334] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 21.883979][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 21.884329][ T334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 21.884677][ T334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 21.885118][ T334] RIP: 0033:0x7fd53b06f1e7 [ 21.885478][ T334] 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) [ 21.886723][ T334] RSP: 002b:00007fff8b9e85e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 21.887261][ T334] RAX: ffffffffffffffda RBX: 00007fff8b9e8d10 RCX: 00007fd53b06f1e7 [ 21.887790][ T334] RDX: 0000000000000000 RSI: 00007fff8b9e8650 RDI: 0000000000000005 [ 21.888317][ T334] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 21.888844][ T334] R10: 000000002623f910 R11: 0000000000000246 R12: 0000000000000004 [ 21.889364][ T334] R13: 00000000686e41b4 R14: 0000000000499600 R15: 0000000000000000 | [ 104.448966][ T933] ------------[ cut here ]------------ | [ 104.449339][ T933] WARNING: CPU: 1 PID: 933 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) | [ 104.450292][ T933] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 104.451567][ T933] Tainted: [W]=WARN [ 104.451822][ T933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 104.452221][ T933] 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) [ 104.452550][ T933] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 104.453710][ T933] RSP: 0018:ffffc90002017080 EFLAGS: 00010246 [ 104.454125][ T933] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 104.454599][ T933] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 104.455090][ T933] RBP: ffffc90002017168 R08: 0000000000000000 R09: 0000000000000000 [ 104.455573][ T933] R10: ffffc90002017198 R11: ffffffffacca8918 R12: 1ffff92000402e14 [ 104.456057][ T933] R13: 00000000000005dc R14: ffffc90002017198 R15: ffff88800a68af08 [ 104.456534][ T933] FS: 00007f2d5ad0e800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 104.457104][ T933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.457507][ T933] CR2: 00007f4efceadd60 CR3: 0000000009307006 CR4: 0000000000772ef0 [ 104.457991][ T933] PKRU: 55555554 [ 104.458237][ T933] Call Trace: [ 104.458487][ T933] [ 104.458652][ T933] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 104.459004][ T933] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 104.459357][ T933] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 104.459803][ T933] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 104.460141][ T933] netif_set_mtu (net/core/dev.c:9652) [ 104.460496][ T933] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 104.460856][ T933] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 104.461353][ T933] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 104.461610][ T933] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 104.462089][ T933] br_add_if (net/bridge/br_if.c:697) bridge [ 104.462479][ T933] do_set_master (net/core/rtnetlink.c:2948) [ 104.462827][ T933] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 104.463161][ T933] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 104.463493][ T933] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 104.463829][ T933] ? __dev_get_by_name (net/core/dev.c:865) [ 104.464161][ T933] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 104.464497][ T933] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 104.464880][ T933] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 104.465198][ T933] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 104.465526][ T933] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 104.465868][ T933] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 104.466190][ T933] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 104.466515][ T933] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 104.466836][ T933] ? __lock_release (kernel/locking/lockdep.c:5539) [ 104.467166][ T933] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 104.467479][ T933] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 104.467805][ T933] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 104.468131][ T933] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 104.468451][ T933] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 104.468789][ T933] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 104.469107][ T933] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 104.469436][ T933] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 104.469751][ T933] ? 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) [ 104.470084][ T933] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 104.470424][ T933] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 104.470739][ T933] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 104.471070][ T933] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 104.471389][ T933] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 104.471712][ T933] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 104.472067][ T933] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 104.472399][ T933] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 104.472718][ T933] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 104.473128][ T933] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 104.473461][ T933] ___sys_sendmsg (net/socket.c:2670) [ 104.473788][ T933] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 104.474104][ T933] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 104.474421][ T933] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 104.474735][ T933] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 104.475080][ T933] ? __handle_mm_fault (mm/memory.c:6212) [ 104.475432][ T933] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 104.475776][ T933] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 104.476128][ T933] __sys_sendmsg (net/socket.c:2700) [ 104.476466][ T933] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 104.476806][ T933] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 104.477152][ T933] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 104.477487][ T933] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 104.477844][ T933] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 104.478178][ T933] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 104.478594][ T933] RIP: 0033:0x7f2d5aedb1e7 [ 104.478964][ T933] Code: Unable to access opcode bytes at 0x7f2d5aedb1bd. Code starting with the faulting instruction =========================================== [ 104.479415][ T933] RSP: 002b:00007ffcd1c8e1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.479926][ T933] RAX: ffffffffffffffda RBX: 00007ffcd1c8e900 RCX: 00007f2d5aedb1e7 [ 104.480447][ T933] RDX: 0000000000000000 RSI: 00007ffcd1c8e240 RDI: 0000000000000005 [ 104.480989][ T933] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 104.481498][ T933] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcd1c8e938 [ 104.482009][ T933] R13: 00000000686e4207 R14: 0000000000499600 R15: 0000000000000000 | [ 104.626319][ T938] ------------[ cut here ]------------ | [ 104.626655][ T938] WARNING: CPU: 2 PID: 938 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 104.627312][ T938] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 104.628518][ T938] Tainted: [W]=WARN [ 104.628782][ T938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 104.629193][ T938] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 104.629537][ T938] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 104.630791][ T938] RSP: 0000:ffffc90002017080 EFLAGS: 00010246 [ 104.631225][ T938] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 104.631736][ T938] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 104.632260][ T938] RBP: ffffc90002017168 R08: 0000000000000000 R09: 0000000000000000 [ 104.632787][ T938] R10: ffffc90002017198 R11: ffffffffacca8918 R12: 1ffff92000402e14 [ 104.633302][ T938] R13: 00000000000005dc R14: ffffc90002017198 R15: ffff88800a68af08 [ 104.633845][ T938] FS: 00007fd97c93c800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 104.634464][ T938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.634914][ T938] CR2: 00007f4efcf7fc94 CR3: 0000000009307002 CR4: 0000000000772ef0 [ 104.635455][ T938] PKRU: 55555554 [ 104.635737][ T938] Call Trace: [ 104.636022][ T938] [ 104.636208][ T938] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 104.636596][ T938] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 104.636978][ T938] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 104.637450][ T938] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 104.637814][ T938] netif_set_mtu (net/core/dev.c:9652) [ 104.638178][ T938] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 104.638538][ T938] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 104.639034][ T938] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 104.639302][ T938] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 104.639815][ T938] br_add_if (net/bridge/br_if.c:697) bridge [ 104.640250][ T938] do_set_master (net/core/rtnetlink.c:2948) [ 104.640653][ T938] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 104.641028][ T938] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 104.641396][ T938] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 104.641756][ T938] ? __dev_get_by_name (net/core/dev.c:865) [ 104.642118][ T938] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 104.642464][ T938] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 104.642846][ T938] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 104.643198][ T938] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 104.643577][ T938] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 104.643964][ T938] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 104.644359][ T938] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 104.644732][ T938] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 104.645088][ T938] ? __lock_release (kernel/locking/lockdep.c:5539) [ 104.645448][ T938] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 104.645825][ T938] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 104.646175][ T938] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 104.646533][ T938] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 104.646912][ T938] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 104.647267][ T938] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 104.647634][ T938] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 104.648002][ T938] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 104.648375][ T938] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 104.648760][ T938] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 104.649141][ T938] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 104.649513][ T938] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 104.649910][ T938] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 104.650281][ T938] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 104.650648][ T938] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 104.651021][ T938] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 104.651378][ T938] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 104.651756][ T938] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 104.652229][ T938] ___sys_sendmsg (net/socket.c:2670) [ 104.652589][ T938] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 104.652963][ T938] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 104.653339][ T938] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 104.653684][ T938] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 104.654069][ T938] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 104.654432][ T938] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 104.654803][ T938] __sys_sendmsg (net/socket.c:2700) [ 104.655154][ T938] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 104.655523][ T938] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 104.655891][ T938] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 104.656247][ T938] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 104.656680][ T938] RIP: 0033:0x7fd97cb091e7 [ 104.657062][ T938] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 104.658273][ T938] RSP: 002b:00007ffd7e262728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.658798][ T938] RAX: ffffffffffffffda RBX: 00007ffd7e262e50 RCX: 00007fd97cb091e7 [ 104.659318][ T938] RDX: 0000000000000000 RSI: 00007ffd7e262790 RDI: 0000000000000005 [ 104.659840][ T938] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 104.660369][ T938] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd7e262e88 [ 104.660889][ T938] R13: 00000000686e4207 R14: 0000000000499600 R15: 0000000000000000 | [ 104.808863][ T940] ------------[ cut here ]------------ | [ 104.809233][ T940] WARNING: CPU: 2 PID: 940 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 104.809946][ T940] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 104.811240][ T940] Tainted: [W]=WARN [ 104.811513][ T940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 104.811949][ T940] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 104.812316][ T940] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 104.813602][ T940] RSP: 0018:ffffc90001d47080 EFLAGS: 00010246 [ 104.814071][ T940] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 104.814603][ T940] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 104.815128][ T940] RBP: ffffc90001d47168 R08: 0000000000000000 R09: 0000000000000000 [ 104.815662][ T940] R10: ffffc90001d47198 R11: ffffffffacca8918 R12: 1ffff920003a8e14 [ 104.816212][ T940] R13: 00000000000005dc R14: ffffc90001d47198 R15: ffff88800a68af08 [ 104.816758][ T940] FS: 00007fc68d177800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 104.817407][ T940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.817857][ T940] CR2: 00000000004a1738 CR3: 0000000009307006 CR4: 0000000000772ef0 [ 104.818370][ T940] PKRU: 55555554 [ 104.818633][ T940] Call Trace: [ 104.818925][ T940] [ 104.819114][ T940] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 104.819499][ T940] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 104.819883][ T940] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 104.820338][ T940] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 104.820694][ T940] netif_set_mtu (net/core/dev.c:9652) [ 104.821069][ T940] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 104.821443][ T940] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 104.821947][ T940] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 104.822217][ T940] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 104.822707][ T940] br_add_if (net/bridge/br_if.c:697) bridge [ 104.823133][ T940] do_set_master (net/core/rtnetlink.c:2948) [ 104.823507][ T940] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 104.823888][ T940] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 104.824267][ T940] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 104.824634][ T940] ? __dev_get_by_name (net/core/dev.c:865) [ 104.825017][ T940] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 104.825387][ T940] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 104.825779][ T940] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 104.826127][ T940] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 104.826483][ T940] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 104.826876][ T940] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 104.827248][ T940] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 104.827625][ T940] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 104.828001][ T940] ? __lock_release (kernel/locking/lockdep.c:5539) [ 104.828352][ T940] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 104.828710][ T940] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 104.829394][ T940] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 104.829790][ T940] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 104.830633][ T940] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 104.831026][ T940] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 104.831650][ T940] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 104.833243][ T940] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 104.834539][ T940] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 104.834912][ T940] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 104.835267][ T940] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 104.835638][ T940] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 104.836027][ T940] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 104.836408][ T940] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 104.836781][ T940] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 104.837395][ T940] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 104.837758][ T940] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 104.838135][ T940] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 104.838575][ T940] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 104.838942][ T940] ___sys_sendmsg (net/socket.c:2670) [ 104.839292][ T940] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 104.839637][ T940] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 104.839996][ T940] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 104.840374][ T940] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 104.840748][ T940] ? __handle_mm_fault (mm/memory.c:6212) [ 104.841130][ T940] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 104.841502][ T940] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 104.841891][ T940] __sys_sendmsg (net/socket.c:2700) [ 104.842254][ T940] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 104.842617][ T940] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 104.842983][ T940] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 104.843343][ T940] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 104.843700][ T940] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 104.844081][ T940] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 104.844524][ T940] RIP: 0033:0x7fc68d3441e7 [ 104.844903][ T940] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 104.846158][ T940] RSP: 002b:00007ffcfe56ddb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.846673][ T940] RAX: ffffffffffffffda RBX: 00007ffcfe56e4e0 RCX: 00007fc68d3441e7 [ 104.847470][ T940] RDX: 0000000000000000 RSI: 00007ffcfe56de20 RDI: 0000000000000005 [ 104.848257][ T940] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 104.849066][ T940] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcfe56e518 [ 104.849619][ T940] R13: 00000000686e4207 R14: 0000000000499600 R15: 0000000000000000 | [ 105.015152][ T943] ------------[ cut here ]------------ | [ 105.015495][ T943] WARNING: CPU: 3 PID: 943 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 105.016193][ T943] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 105.017608][ T943] Tainted: [W]=WARN [ 105.017871][ T943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 105.018290][ T943] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 105.018631][ T943] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 105.019822][ T943] RSP: 0018:ffffc90000807080 EFLAGS: 00010246 [ 105.020249][ T943] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 105.020749][ T943] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 105.021251][ T943] RBP: ffffc90000807168 R08: 0000000000000000 R09: 0000000000000000 [ 105.021754][ T943] R10: ffffc90000807198 R11: ffffffffacca8918 R12: 1ffff92000100e14 [ 105.022259][ T943] R13: 00000000000005dc R14: ffffc90000807198 R15: ffff88800a68af08 [ 105.022759][ T943] FS: 00007f6a117db800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 105.023353][ T943] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.023780][ T943] CR2: 00007f4efcd7fae0 CR3: 0000000010157005 CR4: 0000000000772ef0 [ 105.024286][ T943] PKRU: 55555554 [ 105.024534][ T943] Call Trace: [ 105.024793][ T943] [ 105.024966][ T943] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 105.025307][ T943] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 105.025647][ T943] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 105.026078][ T943] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 105.026433][ T943] netif_set_mtu (net/core/dev.c:9652) [ 105.026767][ T943] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 105.027119][ T943] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 105.027588][ T943] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 105.027843][ T943] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 105.028297][ T943] br_add_if (net/bridge/br_if.c:697) bridge [ 105.028679][ T943] do_set_master (net/core/rtnetlink.c:2948) [ 105.029025][ T943] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 105.029360][ T943] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 105.029697][ T943] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 105.030036][ T943] ? __dev_get_by_name (net/core/dev.c:865) [ 105.030385][ T943] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.030723][ T943] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.031071][ T943] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 105.031406][ T943] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.031744][ T943] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 105.032102][ T943] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 105.032440][ T943] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.032794][ T943] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 105.033135][ T943] ? __lock_release (kernel/locking/lockdep.c:5539) [ 105.033468][ T943] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.033813][ T943] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 105.034145][ T943] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.034483][ T943] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.034831][ T943] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 105.035164][ T943] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.035501][ T943] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 105.035849][ T943] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 105.036183][ T943] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 105.036519][ T943] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 105.036863][ T943] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 105.037198][ T943] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.037535][ T943] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 105.037892][ T943] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 105.038231][ T943] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 105.038570][ T943] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 105.038918][ T943] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 105.039245][ T943] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 105.039661][ T943] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 105.040014][ T943] ___sys_sendmsg (net/socket.c:2670) [ 105.040355][ T943] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 105.040686][ T943] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 105.041035][ T943] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.041363][ T943] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 105.041726][ T943] ? __handle_mm_fault (mm/memory.c:6212) [ 105.042081][ T943] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 105.042410][ T943] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 105.042758][ T943] __sys_sendmsg (net/socket.c:2700) [ 105.043107][ T943] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 105.043437][ T943] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 105.043787][ T943] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 105.044121][ T943] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 105.044456][ T943] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 105.044794][ T943] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 105.045202][ T943] RIP: 0033:0x7f6a119a81e7 [ 105.045556][ T943] Code: Unable to access opcode bytes at 0x7f6a119a81bd. Code starting with the faulting instruction =========================================== [ 105.045996][ T943] RSP: 002b:00007ffdf58a1e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.046497][ T943] RAX: ffffffffffffffda RBX: 00007ffdf58a2560 RCX: 00007f6a119a81e7 [ 105.047002][ T943] RDX: 0000000000000000 RSI: 00007ffdf58a1ea0 RDI: 0000000000000005 [ 105.047488][ T943] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 105.047993][ T943] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf58a2598 [ 105.048488][ T943] R13: 00000000686e4207 R14: 0000000000499600 R15: 0000000000000000 | [ 105.209244][ T945] ------------[ cut here ]------------ | [ 105.209581][ T945] WARNING: CPU: 3 PID: 945 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) | [ 105.210295][ T945] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 105.211499][ T945] Tainted: [W]=WARN [ 105.211753][ T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 105.212188][ T945] 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) [ 105.212528][ T945] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 105.213718][ T945] RSP: 0018:ffffc90002017080 EFLAGS: 00010246 [ 105.214154][ T945] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 105.214665][ T945] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 105.215174][ T945] RBP: ffffc90002017168 R08: 0000000000000000 R09: 0000000000000000 [ 105.215672][ T945] R10: ffffc90002017198 R11: ffffffffacca8918 R12: 1ffff92000402e14 [ 105.216186][ T945] R13: 00000000000005dc R14: ffffc90002017198 R15: ffff88800a68af08 [ 105.216684][ T945] FS: 00007f0298a16800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 105.217271][ T945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.217689][ T945] CR2: 00000000004a1738 CR3: 0000000010157004 CR4: 0000000000772ef0 [ 105.218200][ T945] PKRU: 55555554 [ 105.218455][ T945] Call Trace: [ 105.218706][ T945] [ 105.218885][ T945] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 105.219233][ T945] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 105.219570][ T945] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 105.219995][ T945] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 105.220350][ T945] netif_set_mtu (net/core/dev.c:9652) [ 105.220684][ T945] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 105.221036][ T945] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 105.221511][ T945] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 105.221784][ T945] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 105.222240][ T945] br_add_if (net/bridge/br_if.c:697) bridge [ 105.222623][ T945] do_set_master (net/core/rtnetlink.c:2948) [ 105.222965][ T945] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 105.223309][ T945] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 105.223647][ T945] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 105.223990][ T945] ? __dev_get_by_name (net/core/dev.c:865) [ 105.224323][ T945] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.224670][ T945] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.225027][ T945] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 105.225358][ T945] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.225700][ T945] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 105.226057][ T945] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 105.226394][ T945] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.226732][ T945] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 105.227069][ T945] ? __lock_release (kernel/locking/lockdep.c:5539) [ 105.227402][ T945] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.227731][ T945] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 105.228078][ T945] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.228423][ T945] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.228762][ T945] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 105.229106][ T945] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.229434][ T945] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 105.229813][ T945] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 105.230155][ T945] ? 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) [ 105.230522][ T945] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 105.230868][ T945] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 105.231199][ T945] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.231541][ T945] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 105.231880][ T945] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 105.232207][ T945] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 105.232549][ T945] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 105.232890][ T945] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 105.233230][ T945] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 105.233650][ T945] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 105.234022][ T945] ___sys_sendmsg (net/socket.c:2670) [ 105.234356][ T945] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 105.234687][ T945] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 105.235035][ T945] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.235374][ T945] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 105.235715][ T945] ? __handle_mm_fault (mm/memory.c:6212) [ 105.236062][ T945] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 105.236398][ T945] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 105.236746][ T945] __sys_sendmsg (net/socket.c:2700) [ 105.237088][ T945] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 105.237422][ T945] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 105.237778][ T945] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 105.238117][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 105.238464][ T945] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 105.238812][ T945] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 105.239229][ T945] RIP: 0033:0x7f0298be31e7 [ 105.239572][ T945] 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) [ 105.240793][ T945] RSP: 002b:00007ffc38af29f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.241301][ T945] RAX: ffffffffffffffda RBX: 00007ffc38af3120 RCX: 00007f0298be31e7 [ 105.241805][ T945] RDX: 0000000000000000 RSI: 00007ffc38af2a60 RDI: 0000000000000005 [ 105.242307][ T945] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 105.242813][ T945] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc38af3158 [ 105.243311][ T945] R13: 00000000686e4208 R14: 0000000000499600 R15: 0000000000000000 | [ 105.377451][ T947] ------------[ cut here ]------------ | [ 105.377805][ T947] WARNING: CPU: 2 PID: 947 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) | [ 105.378463][ T947] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 105.380133][ T947] Tainted: [W]=WARN [ 105.380413][ T947] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 105.380854][ T947] 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) [ 105.381211][ T947] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 105.382440][ T947] RSP: 0018:ffffc900021a7080 EFLAGS: 00010246 [ 105.382889][ T947] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 105.383407][ T947] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 105.383929][ T947] RBP: ffffc900021a7168 R08: 0000000000000000 R09: 0000000000000000 [ 105.384445][ T947] R10: ffffc900021a7198 R11: ffffffffacca8918 R12: 1ffff92000434e14 [ 105.384988][ T947] R13: 00000000000005dc R14: ffffc900021a7198 R15: ffff88800a68af08 [ 105.385500][ T947] FS: 00007f705fc08800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 105.386103][ T947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.386551][ T947] CR2: 00000000004a1738 CR3: 0000000010214002 CR4: 0000000000772ef0 [ 105.387080][ T947] PKRU: 55555554 [ 105.387359][ T947] Call Trace: [ 105.387633][ T947] [ 105.387832][ T947] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 105.388190][ T947] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 105.388542][ T947] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 105.388993][ T947] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 105.389350][ T947] netif_set_mtu (net/core/dev.c:9652) [ 105.389717][ T947] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 105.390086][ T947] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 105.390594][ T947] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 105.390884][ T947] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 105.391360][ T947] br_add_if (net/bridge/br_if.c:697) bridge [ 105.391777][ T947] do_set_master (net/core/rtnetlink.c:2948) [ 105.392141][ T947] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 105.392495][ T947] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 105.392853][ T947] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 105.393205][ T947] ? __dev_get_by_name (net/core/dev.c:865) [ 105.393552][ T947] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.393910][ T947] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.394263][ T947] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 105.394617][ T947] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.394981][ T947] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 105.395339][ T947] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 105.395697][ T947] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.396071][ T947] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 105.396425][ T947] ? __lock_release (kernel/locking/lockdep.c:5539) [ 105.396784][ T947] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.397131][ T947] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 105.397481][ T947] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.397841][ T947] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.398193][ T947] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 105.398596][ T947] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.398963][ T947] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 105.399323][ T947] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 105.399671][ T947] ? 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) [ 105.400032][ T947] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 105.400402][ T947] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 105.400760][ T947] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.401124][ T947] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 105.401475][ T947] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 105.401831][ T947] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 105.402195][ T947] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 105.402550][ T947] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 105.402933][ T947] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 105.403374][ T947] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 105.403726][ T947] ___sys_sendmsg (net/socket.c:2670) [ 105.404086][ T947] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 105.404432][ T947] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 105.404794][ T947] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.405139][ T947] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 105.405493][ T947] ? __handle_mm_fault (mm/memory.c:6212) [ 105.405856][ T947] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 105.406205][ T947] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 105.406568][ T947] __sys_sendmsg (net/socket.c:2700) [ 105.406922][ T947] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 105.407275][ T947] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 105.407640][ T947] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 105.407999][ T947] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 105.408357][ T947] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 105.408712][ T947] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 105.409152][ T947] RIP: 0033:0x7f705fdd51e7 [ 105.409515][ T947] Code: Unable to access opcode bytes at 0x7f705fdd51bd. Code starting with the faulting instruction =========================================== [ 105.410045][ T947] RSP: 002b:00007ffe93119548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.410573][ T947] RAX: ffffffffffffffda RBX: 00007ffe93119c70 RCX: 00007f705fdd51e7 [ 105.411103][ T947] RDX: 0000000000000000 RSI: 00007ffe931195b0 RDI: 0000000000000005 [ 105.411594][ T947] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 105.412128][ T947] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe93119ca8 [ 105.412638][ T947] R13: 00000000686e4208 R14: 0000000000499600 R15: 0000000000000000 | [ 105.554699][ T949] ------------[ cut here ]------------ | [ 105.555081][ T949] WARNING: CPU: 2 PID: 949 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) | [ 105.555850][ T949] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 105.557146][ T949] Tainted: [W]=WARN [ 105.557442][ T949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 105.557899][ T949] 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) [ 105.558282][ T949] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 105.559533][ T949] RSP: 0018:ffffc90002017080 EFLAGS: 00010246 [ 105.560002][ T949] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 105.560565][ T949] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 105.561103][ T949] RBP: ffffc90002017168 R08: 0000000000000000 R09: 0000000000000000 [ 105.561657][ T949] R10: ffffc90002017198 R11: ffffffffacca8918 R12: 1ffff92000402e14 [ 105.562206][ T949] R13: 00000000000005dc R14: ffffc90002017198 R15: ffff88800a68af08 [ 105.562729][ T949] FS: 00007f71e0889800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 105.563369][ T949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.563831][ T949] CR2: 00000000004a1738 CR3: 00000000097d7006 CR4: 0000000000772ef0 [ 105.564372][ T949] PKRU: 55555554 [ 105.564645][ T949] Call Trace: [ 105.564933][ T949] [ 105.565130][ T949] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 105.565519][ T949] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 105.565896][ T949] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 105.566361][ T949] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 105.566742][ T949] netif_set_mtu (net/core/dev.c:9652) [ 105.567105][ T949] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 105.567493][ T949] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 105.568010][ T949] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 105.568292][ T949] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 105.568795][ T949] br_add_if (net/bridge/br_if.c:697) bridge [ 105.569206][ T949] do_set_master (net/core/rtnetlink.c:2948) [ 105.569560][ T949] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 105.569928][ T949] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 105.570334][ T949] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 105.570702][ T949] ? __dev_get_by_name (net/core/dev.c:865) [ 105.571071][ T949] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.571453][ T949] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.571838][ T949] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 105.572208][ T949] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.572565][ T949] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 105.572946][ T949] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 105.573312][ T949] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.573674][ T949] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 105.574040][ T949] ? __lock_release (kernel/locking/lockdep.c:5539) [ 105.574395][ T949] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.574750][ T949] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 105.575131][ T949] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.575514][ T949] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.575892][ T949] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 105.576246][ T949] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.576594][ T949] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 105.576960][ T949] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 105.577318][ T949] ? 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) [ 105.577667][ T949] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 105.578035][ T949] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 105.578379][ T949] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.578733][ T949] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 105.579100][ T949] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 105.579457][ T949] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 105.579834][ T949] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 105.580196][ T949] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 105.580550][ T949] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 105.580997][ T949] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 105.581348][ T949] ___sys_sendmsg (net/socket.c:2670) [ 105.581685][ T949] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 105.582047][ T949] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 105.582393][ T949] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.582735][ T949] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 105.583090][ T949] ? __handle_mm_fault (mm/memory.c:6212) [ 105.583432][ T949] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 105.583761][ T949] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 105.584117][ T949] __sys_sendmsg (net/socket.c:2700) [ 105.584448][ T949] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 105.584782][ T949] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 105.585133][ T949] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 105.585485][ T949] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 105.585839][ T949] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 105.586197][ T949] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 105.586618][ T949] RIP: 0033:0x7f71e0a561e7 [ 105.586981][ T949] 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) [ 105.588160][ T949] RSP: 002b:00007ffee6fc5088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.588665][ T949] RAX: ffffffffffffffda RBX: 00007ffee6fc57b0 RCX: 00007f71e0a561e7 [ 105.589194][ T949] RDX: 0000000000000000 RSI: 00007ffee6fc50f0 RDI: 0000000000000005 [ 105.589712][ T949] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 105.590253][ T949] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee6fc57e8 [ 105.590796][ T949] R13: 00000000686e4208 R14: 0000000000499600 R15: 0000000000000000 | [ 105.756182][ T952] ------------[ cut here ]------------ | [ 105.756515][ T952] WARNING: CPU: 3 PID: 952 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 105.757188][ T952] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 105.758380][ T952] Tainted: [W]=WARN [ 105.758627][ T952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 105.759050][ T952] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 105.759387][ T952] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 105.760566][ T952] RSP: 0018:ffffc90002017080 EFLAGS: 00010246 [ 105.760990][ T952] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 105.761474][ T952] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 105.761960][ T952] RBP: ffffc90002017168 R08: 0000000000000000 R09: 0000000000000000 [ 105.762442][ T952] R10: ffffc90002017198 R11: ffffffffacca8918 R12: 1ffff92000402e14 [ 105.762945][ T952] R13: 00000000000005dc R14: ffffc90002017198 R15: ffff88800a68af08 [ 105.763419][ T952] FS: 00007f3f555e6800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 105.763984][ T952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.764401][ T952] CR2: 00007f4efcb01120 CR3: 000000000e11a002 CR4: 0000000000772ef0 [ 105.764888][ T952] PKRU: 55555554 [ 105.765145][ T952] Call Trace: [ 105.765386][ T952] [ 105.765553][ T952] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 105.765891][ T952] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 105.766219][ T952] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 105.766638][ T952] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 105.766966][ T952] netif_set_mtu (net/core/dev.c:9652) [ 105.767290][ T952] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 105.767618][ T952] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 105.768076][ T952] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 105.768323][ T952] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 105.768758][ T952] br_add_if (net/bridge/br_if.c:697) bridge [ 105.769131][ T952] do_set_master (net/core/rtnetlink.c:2948) [ 105.769466][ T952] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 105.769805][ T952] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 105.770138][ T952] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 105.770463][ T952] ? __dev_get_by_name (net/core/dev.c:865) [ 105.770797][ T952] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.771121][ T952] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.771444][ T952] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 105.771762][ T952] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.772098][ T952] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 105.772424][ T952] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 105.772757][ T952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.773097][ T952] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 105.773427][ T952] ? __lock_release (kernel/locking/lockdep.c:5539) [ 105.773745][ T952] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.774072][ T952] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 105.774387][ T952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.774705][ T952] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.775031][ T952] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 105.775348][ T952] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.775664][ T952] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 105.775996][ T952] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 105.776307][ T952] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 105.776621][ T952] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 105.776943][ T952] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 105.777259][ T952] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.777588][ T952] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 105.777923][ T952] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 105.778243][ T952] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 105.778581][ T952] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 105.778911][ T952] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 105.779266][ T952] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 105.779663][ T952] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 105.779994][ T952] ___sys_sendmsg (net/socket.c:2670) [ 105.780322][ T952] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 105.780637][ T952] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 105.780961][ T952] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.781276][ T952] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 105.781596][ T952] ? __handle_mm_fault (mm/memory.c:6212) [ 105.781919][ T952] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 105.782233][ T952] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 105.782573][ T952] __sys_sendmsg (net/socket.c:2700) [ 105.782902][ T952] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 105.783247][ T952] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 105.783582][ T952] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 105.783912][ T952] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 105.784232][ T952] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 105.784552][ T952] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 105.784953][ T952] RIP: 0033:0x7f3f557b31e7 [ 105.785278][ T952] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 105.786418][ T952] RSP: 002b:00007ffc074af0e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.786903][ T952] RAX: ffffffffffffffda RBX: 00007ffc074af810 RCX: 00007f3f557b31e7 [ 105.787378][ T952] RDX: 0000000000000000 RSI: 00007ffc074af150 RDI: 0000000000000005 [ 105.787863][ T952] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 105.788337][ T952] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc074af848 [ 105.788817][ T952] R13: 00000000686e4208 R14: 0000000000499600 R15: 0000000000000000 | [ 105.948467][ T953] ------------[ cut here ]------------ | [ 105.948824][ T953] WARNING: CPU: 3 PID: 953 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 105.949448][ T953] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 105.950612][ T953] Tainted: [W]=WARN [ 105.950859][ T953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 105.951257][ T953] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 105.951594][ T953] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 105.952754][ T953] RSP: 0018:ffffc90002017080 EFLAGS: 00010246 [ 105.953172][ T953] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 105.953649][ T953] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 105.954131][ T953] RBP: ffffc90002017168 R08: 0000000000000000 R09: 0000000000000000 [ 105.954616][ T953] R10: ffffc90002017198 R11: ffffffffacca8918 R12: 1ffff92000402e14 [ 105.955094][ T953] R13: 00000000000005dc R14: ffffc90002017198 R15: ffff88800a68af08 [ 105.955572][ T953] FS: 00007f969e62f800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 105.956140][ T953] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.956541][ T953] CR2: 00000000004a1738 CR3: 0000000009643006 CR4: 0000000000772ef0 [ 105.957023][ T953] PKRU: 55555554 [ 105.957261][ T953] Call Trace: [ 105.957497][ T953] [ 105.957661][ T953] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 105.957992][ T953] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 105.958306][ T953] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 105.958703][ T953] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 105.959030][ T953] netif_set_mtu (net/core/dev.c:9652) [ 105.959347][ T953] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 105.959673][ T953] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 105.960125][ T953] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 105.960375][ T953] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 105.960812][ T953] br_add_if (net/bridge/br_if.c:697) bridge [ 105.961180][ T953] do_set_master (net/core/rtnetlink.c:2948) [ 105.961497][ T953] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 105.961829][ T953] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 105.962146][ T953] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 105.962461][ T953] ? __dev_get_by_name (net/core/dev.c:865) [ 105.962784][ T953] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.963098][ T953] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 105.963426][ T953] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 105.963741][ T953] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.964080][ T953] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 105.964404][ T953] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 105.964726][ T953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.965058][ T953] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 105.965371][ T953] ? __lock_release (kernel/locking/lockdep.c:5539) [ 105.965689][ T953] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 105.966007][ T953] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 105.966329][ T953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.966662][ T953] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.966996][ T953] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 105.967318][ T953] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 105.967636][ T953] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 105.967969][ T953] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 105.968281][ T953] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 105.968595][ T953] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 105.968922][ T953] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 105.969250][ T953] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 105.969569][ T953] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 105.969893][ T953] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 105.970213][ T953] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 105.970549][ T953] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 105.970875][ T953] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 105.971197][ T953] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 105.971621][ T953] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 105.971959][ T953] ___sys_sendmsg (net/socket.c:2670) [ 105.972280][ T953] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 105.972599][ T953] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 105.972926][ T953] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 105.973242][ T953] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 105.973565][ T953] ? __handle_mm_fault (mm/memory.c:6212) [ 105.973884][ T953] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 105.974203][ T953] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 105.974542][ T953] __sys_sendmsg (net/socket.c:2700) [ 105.974868][ T953] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 105.975180][ T953] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 105.975532][ T953] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 105.975861][ T953] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 105.976182][ T953] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 105.976501][ T953] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 105.976902][ T953] RIP: 0033:0x7f969e7fc1e7 [ 105.977234][ T953] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 105.978371][ T953] RSP: 002b:00007ffef24ef7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.978855][ T953] RAX: ffffffffffffffda RBX: 00007ffef24eff10 RCX: 00007f969e7fc1e7 [ 105.979329][ T953] RDX: 0000000000000000 RSI: 00007ffef24ef850 RDI: 0000000000000005 [ 105.979803][ T953] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 105.980286][ T953] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef24eff48 [ 105.980758][ T953] R13: 00000000686e4208 R14: 0000000000499600 R15: 0000000000000000 | [ 106.119977][ T956] ------------[ cut here ]------------ | [ 106.120301][ T956] WARNING: CPU: 0 PID: 956 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 106.120992][ T956] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 106.122139][ T956] Tainted: [W]=WARN [ 106.122376][ T956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.122782][ T956] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 106.123111][ T956] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 106.124238][ T956] RSP: 0018:ffffc90000547080 EFLAGS: 00010246 [ 106.124634][ T956] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 106.125121][ T956] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 106.125597][ T956] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000 [ 106.126077][ T956] R10: ffffc90000547198 R11: ffffffffacca8918 R12: 1ffff920000a8e14 [ 106.126556][ T956] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff88800a68af08 [ 106.127037][ T956] FS: 00007f880aa2e800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 106.127590][ T956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.127998][ T956] CR2: 00007f4efceeee80 CR3: 000000000a4a1005 CR4: 0000000000772ef0 [ 106.128475][ T956] PKRU: 55555554 [ 106.128715][ T956] Call Trace: [ 106.128964][ T956] [ 106.129133][ T956] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 106.129455][ T956] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 106.129790][ T956] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 106.130190][ T956] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 106.130517][ T956] netif_set_mtu (net/core/dev.c:9652) [ 106.130840][ T956] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 106.131165][ T956] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 106.131618][ T956] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 106.131874][ T956] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 106.132305][ T956] br_add_if (net/bridge/br_if.c:697) bridge [ 106.132670][ T956] do_set_master (net/core/rtnetlink.c:2948) [ 106.133001][ T956] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 106.133319][ T956] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 106.133634][ T956] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 106.133953][ T956] ? __dev_get_by_name (net/core/dev.c:865) [ 106.134264][ T956] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.134579][ T956] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.134904][ T956] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 106.135223][ T956] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.135547][ T956] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 106.135880][ T956] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 106.136202][ T956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.136528][ T956] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 106.136849][ T956] ? __lock_release (kernel/locking/lockdep.c:5539) [ 106.137180][ T956] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.137494][ T956] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 106.137825][ T956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.138150][ T956] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.138474][ T956] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 106.138800][ T956] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.139126][ T956] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 106.139459][ T956] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 106.139793][ T956] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 106.140115][ T956] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 106.140447][ T956] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 106.140763][ T956] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.141102][ T956] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 106.141418][ T956] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 106.141736][ T956] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 106.142075][ T956] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 106.142402][ T956] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 106.142717][ T956] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 106.143120][ T956] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 106.143441][ T956] ___sys_sendmsg (net/socket.c:2670) [ 106.143760][ T956] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 106.144086][ T956] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 106.144405][ T956] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.144722][ T956] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 106.145053][ T956] ? __handle_mm_fault (mm/memory.c:6212) [ 106.145375][ T956] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 106.145688][ T956] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 106.146028][ T956] __sys_sendmsg (net/socket.c:2700) [ 106.146346][ T956] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 106.146667][ T956] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 106.147000][ T956] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 106.147324][ T956] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 106.147646][ T956] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 106.147975][ T956] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 106.148374][ T956] RIP: 0033:0x7f880abfb1e7 [ 106.148704][ T956] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 106.149838][ T956] RSP: 002b:00007fff51fdbb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.150326][ T956] RAX: ffffffffffffffda RBX: 00007fff51fdc290 RCX: 00007f880abfb1e7 [ 106.150813][ T956] RDX: 0000000000000000 RSI: 00007fff51fdbbd0 RDI: 0000000000000005 [ 106.151295][ T956] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 106.151766][ T956] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff51fdc2c8 [ 106.152244][ T956] R13: 00000000686e4208 R14: 0000000000499600 R15: 0000000000000000 | [ 106.312998][ T957] ------------[ cut here ]------------ | [ 106.313313][ T957] WARNING: CPU: 0 PID: 957 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 106.313979][ T957] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 106.315131][ T957] Tainted: [W]=WARN [ 106.315375][ T957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.315781][ T957] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 106.316108][ T957] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 106.317247][ T957] RSP: 0018:ffffc90000537080 EFLAGS: 00010246 [ 106.317655][ T957] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 106.318142][ T957] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 106.318621][ T957] RBP: ffffc90000537168 R08: 0000000000000000 R09: 0000000000000000 [ 106.319100][ T957] R10: ffffc90000537198 R11: ffffffffacca8918 R12: 1ffff920000a6e14 [ 106.319573][ T957] R13: 00000000000005dc R14: ffffc90000537198 R15: ffff88800a68af08 [ 106.320054][ T957] FS: 00007f2a9c521800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 106.320620][ T957] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.321032][ T957] CR2: 00000000004a1738 CR3: 000000000a4a1004 CR4: 0000000000772ef0 [ 106.321505][ T957] PKRU: 55555554 [ 106.321742][ T957] Call Trace: [ 106.321993][ T957] [ 106.322157][ T957] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 106.322487][ T957] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 106.322820][ T957] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 106.323219][ T957] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 106.323544][ T957] netif_set_mtu (net/core/dev.c:9652) [ 106.323875][ T957] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 106.324207][ T957] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 106.324662][ T957] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 106.324910][ T957] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 106.325341][ T957] br_add_if (net/bridge/br_if.c:697) bridge [ 106.325708][ T957] do_set_master (net/core/rtnetlink.c:2948) [ 106.326032][ T957] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 106.326350][ T957] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 106.326672][ T957] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 106.326991][ T957] ? __dev_get_by_name (net/core/dev.c:865) [ 106.327307][ T957] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.327622][ T957] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.327950][ T957] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 106.328267][ T957] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.328592][ T957] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 106.328930][ T957] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 106.329255][ T957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.329584][ T957] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 106.329905][ T957] ? __lock_release (kernel/locking/lockdep.c:5539) [ 106.330224][ T957] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.330553][ T957] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 106.330876][ T957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.331197][ T957] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.331539][ T957] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 106.331870][ T957] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.332185][ T957] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 106.332511][ T957] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 106.332834][ T957] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 106.333162][ T957] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 106.333486][ T957] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 106.333809][ T957] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.334132][ T957] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 106.334459][ T957] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 106.334789][ T957] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 106.335117][ T957] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 106.335439][ T957] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 106.335757][ T957] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 106.336165][ T957] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 106.336489][ T957] ___sys_sendmsg (net/socket.c:2670) [ 106.336819][ T957] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 106.337143][ T957] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 106.337466][ T957] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.337794][ T957] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 106.338119][ T957] ? __handle_mm_fault (mm/memory.c:6212) [ 106.338449][ T957] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 106.338763][ T957] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 106.339106][ T957] __sys_sendmsg (net/socket.c:2700) [ 106.339421][ T957] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 106.339738][ T957] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 106.340071][ T957] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 106.340399][ T957] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 106.340725][ T957] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 106.341050][ T957] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 106.341445][ T957] RIP: 0033:0x7f2a9c6ee1e7 [ 106.341786][ T957] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 106.342935][ T957] RSP: 002b:00007ffca4de1128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.343420][ T957] RAX: ffffffffffffffda RBX: 00007ffca4de1850 RCX: 00007f2a9c6ee1e7 [ 106.343902][ T957] RDX: 0000000000000000 RSI: 00007ffca4de1190 RDI: 0000000000000005 [ 106.344379][ T957] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 106.344866][ T957] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca4de1888 [ 106.345341][ T957] R13: 00000000686e4209 R14: 0000000000499600 R15: 0000000000000000 | [ 106.505441][ T959] ------------[ cut here ]------------ | [ 106.505753][ T959] WARNING: CPU: 0 PID: 959 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 106.506389][ T959] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 106.507561][ T959] Tainted: [W]=WARN [ 106.507809][ T959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.508205][ T959] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 106.508537][ T959] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 106.509680][ T959] RSP: 0018:ffffc90000627080 EFLAGS: 00010246 [ 106.510091][ T959] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 106.510568][ T959] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 106.511043][ T959] RBP: ffffc90000627168 R08: 0000000000000000 R09: 0000000000000000 [ 106.511510][ T959] R10: ffffc90000627198 R11: ffffffffacca8918 R12: 1ffff920000c4e14 [ 106.512335][ T959] R13: 00000000000005dc R14: ffffc90000627198 R15: ffff88800a68af08 [ 106.512829][ T959] FS: 00007f3bb9d2a800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 106.513383][ T959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.513787][ T959] CR2: 00007f4efcd29a00 CR3: 000000000a4a1001 CR4: 0000000000772ef0 [ 106.514266][ T959] PKRU: 55555554 [ 106.514502][ T959] Call Trace: [ 106.514739][ T959] [ 106.514910][ T959] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 106.515239][ T959] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 106.515557][ T959] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 106.515960][ T959] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 106.516277][ T959] netif_set_mtu (net/core/dev.c:9652) [ 106.516596][ T959] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 106.516931][ T959] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 106.517375][ T959] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 106.517615][ T959] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 106.518063][ T959] br_add_if (net/bridge/br_if.c:697) bridge [ 106.518438][ T959] do_set_master (net/core/rtnetlink.c:2948) [ 106.518756][ T959] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 106.519082][ T959] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 106.519402][ T959] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 106.519710][ T959] ? __dev_get_by_name (net/core/dev.c:865) [ 106.520033][ T959] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.520353][ T959] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.520682][ T959] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 106.520998][ T959] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.521316][ T959] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 106.521641][ T959] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 106.521966][ T959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.522294][ T959] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 106.522609][ T959] ? __lock_release (kernel/locking/lockdep.c:5539) [ 106.522937][ T959] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.523257][ T959] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 106.523579][ T959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.523905][ T959] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.524227][ T959] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 106.524543][ T959] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.524868][ T959] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 106.525197][ T959] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 106.525513][ T959] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 106.525848][ T959] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 106.526171][ T959] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 106.526500][ T959] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.526833][ T959] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 106.527153][ T959] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 106.527471][ T959] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 106.527801][ T959] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 106.528121][ T959] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 106.528435][ T959] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 106.528857][ T959] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 106.529184][ T959] ___sys_sendmsg (net/socket.c:2670) [ 106.529504][ T959] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 106.529826][ T959] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 106.530144][ T959] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.530462][ T959] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 106.530791][ T959] ? __handle_mm_fault (mm/memory.c:6212) [ 106.531109][ T959] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 106.531423][ T959] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 106.531755][ T959] __sys_sendmsg (net/socket.c:2700) [ 106.532078][ T959] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 106.532392][ T959] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 106.532714][ T959] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 106.533035][ T959] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 106.533357][ T959] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 106.533672][ T959] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 106.534070][ T959] RIP: 0033:0x7f3bb9ef71e7 [ 106.534397][ T959] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 106.535535][ T959] RSP: 002b:00007ffe05d907c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.536037][ T959] RAX: ffffffffffffffda RBX: 00007ffe05d90ef0 RCX: 00007f3bb9ef71e7 [ 106.536513][ T959] RDX: 0000000000000000 RSI: 00007ffe05d90830 RDI: 0000000000000005 [ 106.536998][ T959] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 106.537482][ T959] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe05d90f28 [ 106.537974][ T959] R13: 00000000686e4209 R14: 0000000000499600 R15: 0000000000000000 | [ 106.665488][ T961] ------------[ cut here ]------------ | [ 106.665870][ T961] WARNING: CPU: 2 PID: 961 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 106.666517][ T961] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 106.667706][ T961] Tainted: [W]=WARN [ 106.667971][ T961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.668381][ T961] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 106.668723][ T961] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 106.669882][ T961] RSP: 0018:ffffc90000547080 EFLAGS: 00010246 [ 106.670314][ T961] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 106.670836][ T961] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 106.671329][ T961] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000 [ 106.671852][ T961] R10: ffffc90000547198 R11: ffffffffacca8918 R12: 1ffff920000a8e14 [ 106.672363][ T961] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff88800a68af08 [ 106.672872][ T961] FS: 00007f6649de0800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 106.673449][ T961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.673873][ T961] CR2: 00007f4efcae43b0 CR3: 00000000027fb005 CR4: 0000000000772ef0 [ 106.674366][ T961] PKRU: 55555554 [ 106.674619][ T961] Call Trace: [ 106.674879][ T961] [ 106.675058][ T961] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 106.675400][ T961] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 106.675735][ T961] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 106.676164][ T961] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 106.676498][ T961] netif_set_mtu (net/core/dev.c:9652) [ 106.676838][ T961] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 106.677190][ T961] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 106.677656][ T961] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 106.677919][ T961] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 106.678373][ T961] br_add_if (net/bridge/br_if.c:697) bridge [ 106.678759][ T961] do_set_master (net/core/rtnetlink.c:2948) [ 106.679105][ T961] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 106.679434][ T961] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 106.679766][ T961] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 106.680101][ T961] ? __dev_get_by_name (net/core/dev.c:865) [ 106.680451][ T961] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.680819][ T961] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.681427][ T961] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 106.682032][ T961] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.682601][ T961] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 106.683221][ T961] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 106.683846][ T961] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.684455][ T961] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 106.685083][ T961] ? __lock_release (kernel/locking/lockdep.c:5539) [ 106.685685][ T961] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.686299][ T961] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 106.686919][ T961] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.687522][ T961] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.688150][ T961] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 106.688752][ T961] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.689371][ T961] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 106.690007][ T961] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 106.690631][ T961] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 106.691253][ T961] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 106.691823][ T961] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 106.692435][ T961] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.693059][ T961] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 106.693674][ T961] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 106.694284][ T961] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 106.694914][ T961] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 106.695515][ T961] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 106.696119][ T961] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 106.696888][ T961] ___sys_sendmsg (net/socket.c:2670) [ 106.697485][ T961] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 106.698126][ T961] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 106.698734][ T961] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 106.699343][ T961] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 106.699954][ T961] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.700579][ T961] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 106.701201][ T961] __sys_sendmsg (net/socket.c:2700) [ 106.701831][ T961] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 106.702365][ T961] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 106.702699][ T961] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 106.703044][ T961] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 106.703464][ T961] RIP: 0033:0x7f6649fad1e7 [ 106.703816][ T961] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 106.704995][ T961] RSP: 002b:00007ffd792e5a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.705501][ T961] RAX: ffffffffffffffda RBX: 00007ffd792e6180 RCX: 00007f6649fad1e7 [ 106.706011][ T961] RDX: 0000000000000000 RSI: 00007ffd792e5ac0 RDI: 0000000000000005 [ 106.706517][ T961] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 106.707021][ T961] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd792e61b8 [ 106.707534][ T961] R13: 00000000686e4209 R14: 0000000000499600 R15: 0000000000000000 | [ 106.893872][ T964] ------------[ cut here ]------------ | [ 106.894203][ T964] WARNING: CPU: 0 PID: 964 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 106.895269][ T964] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 106.896417][ T964] Tainted: [W]=WARN [ 106.896657][ T964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.897067][ T964] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 106.897400][ T964] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 106.898541][ T964] RSP: 0018:ffffc90000577080 EFLAGS: 00010246 [ 106.898954][ T964] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 106.899430][ T964] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 106.899910][ T964] RBP: ffffc90000577168 R08: 0000000000000000 R09: 0000000000000000 [ 106.900396][ T964] R10: ffffc90000577198 R11: ffffffffacca8918 R12: 1ffff920000aee14 [ 106.900886][ T964] R13: 00000000000005dc R14: ffffc90000577198 R15: ffff88800a68af08 [ 106.901372][ T964] FS: 00007f79b3e9a800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 106.901937][ T964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.902344][ T964] CR2: 00007f4efcb31ba0 CR3: 000000000baeb006 CR4: 0000000000772ef0 [ 106.902845][ T964] PKRU: 55555554 [ 106.903091][ T964] Call Trace: [ 106.903334][ T964] [ 106.903503][ T964] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 106.903840][ T964] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 106.904164][ T964] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 106.904561][ T964] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 106.904901][ T964] netif_set_mtu (net/core/dev.c:9652) [ 106.905220][ T964] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 106.905547][ T964] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 106.906005][ T964] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 106.906248][ T964] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 106.906676][ T964] br_add_if (net/bridge/br_if.c:697) bridge [ 106.907050][ T964] do_set_master (net/core/rtnetlink.c:2948) [ 106.907377][ T964] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 106.907697][ T964] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 106.908025][ T964] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 106.908344][ T964] ? __dev_get_by_name (net/core/dev.c:865) [ 106.908660][ T964] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.908983][ T964] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 106.909310][ T964] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 106.909628][ T964] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.909958][ T964] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 106.910295][ T964] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 106.910616][ T964] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.910952][ T964] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 106.911270][ T964] ? __lock_release (kernel/locking/lockdep.c:5539) [ 106.911589][ T964] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.911916][ T964] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 106.912244][ T964] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.912566][ T964] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.912895][ T964] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 106.913217][ T964] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.913538][ T964] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 106.913875][ T964] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 106.914196][ T964] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 106.914516][ T964] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 106.914843][ T964] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 106.915160][ T964] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.915480][ T964] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 106.915809][ T964] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 106.916124][ T964] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 106.916448][ T964] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 106.916780][ T964] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 106.917096][ T964] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 106.917496][ T964] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 106.917829][ T964] ___sys_sendmsg (net/socket.c:2670) [ 106.918150][ T964] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 106.918469][ T964] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 106.918796][ T964] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 106.919118][ T964] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 106.919445][ T964] ? __handle_mm_fault (mm/memory.c:6212) [ 106.919763][ T964] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 106.920086][ T964] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 106.920426][ T964] __sys_sendmsg (net/socket.c:2700) [ 106.920742][ T964] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 106.921072][ T964] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 106.921400][ T964] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 106.921718][ T964] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 106.922044][ T964] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 106.922363][ T964] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 106.922756][ T964] RIP: 0033:0x7f79b40671e7 [ 106.923093][ T964] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 106.924241][ T964] RSP: 002b:00007ffe56c5b2c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.924724][ T964] RAX: ffffffffffffffda RBX: 00007ffe56c5b9f0 RCX: 00007f79b40671e7 [ 106.925207][ T964] RDX: 0000000000000000 RSI: 00007ffe56c5b330 RDI: 0000000000000005 [ 106.925693][ T964] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 106.926173][ T964] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe56c5ba28 [ 106.926648][ T964] R13: 00000000686e4209 R14: 0000000000499600 R15: 0000000000000000 | [ 107.110899][ T965] ------------[ cut here ]------------ | [ 107.111509][ T965] WARNING: CPU: 2 PID: 965 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 107.112727][ T965] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 107.114873][ T965] Tainted: [W]=WARN [ 107.115314][ T965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.115963][ T965] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 107.116502][ T965] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 107.117741][ T965] RSP: 0000:ffffc90000577080 EFLAGS: 00010246 [ 107.118210][ T965] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 107.118721][ T965] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 107.119268][ T965] RBP: ffffc90000577168 R08: 0000000000000000 R09: 0000000000000000 [ 107.119792][ T965] R10: ffffc90000577198 R11: ffffffffacca8918 R12: 1ffff920000aee14 [ 107.120445][ T965] R13: 00000000000005dc R14: ffffc90000577198 R15: ffff88800a68af08 [ 107.121373][ T965] FS: 00007f9eefbe9800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 107.121981][ T965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.122432][ T965] CR2: 00007f4efceff1e4 CR3: 0000000004f62006 CR4: 0000000000772ef0 [ 107.122961][ T965] PKRU: 55555554 [ 107.123240][ T965] Call Trace: [ 107.123502][ T965] [ 107.123686][ T965] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 107.124050][ T965] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 107.124420][ T965] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 107.124873][ T965] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 107.125290][ T965] netif_set_mtu (net/core/dev.c:9652) [ 107.125704][ T965] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 107.126069][ T965] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 107.126567][ T965] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 107.126850][ T965] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 107.127343][ T965] br_add_if (net/bridge/br_if.c:697) bridge [ 107.127739][ T965] do_set_master (net/core/rtnetlink.c:2948) [ 107.128101][ T965] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 107.128468][ T965] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 107.128829][ T965] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 107.129185][ T965] ? __dev_get_by_name (net/core/dev.c:865) [ 107.129538][ T965] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.129881][ T965] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.130322][ T965] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 107.130677][ T965] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.131047][ T965] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 107.131404][ T965] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 107.131754][ T965] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.132116][ T965] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 107.132451][ T965] ? __lock_release (kernel/locking/lockdep.c:5539) [ 107.132796][ T965] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.133124][ T965] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 107.133457][ T965] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.133799][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.134136][ T965] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 107.134472][ T965] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.134816][ T965] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 107.135157][ T965] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 107.135497][ T965] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 107.135840][ T965] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 107.136178][ T965] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 107.136515][ T965] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.136861][ T965] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 107.137204][ T965] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 107.137542][ T965] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 107.137895][ T965] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 107.138243][ T965] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 107.138572][ T965] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 107.139011][ T965] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 107.139360][ T965] ___sys_sendmsg (net/socket.c:2670) [ 107.139704][ T965] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 107.140054][ T965] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 107.140422][ T965] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.140780][ T965] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 107.141130][ T965] ? __handle_mm_fault (mm/memory.c:6212) [ 107.141477][ T965] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 107.141818][ T965] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 107.142164][ T965] __sys_sendmsg (net/socket.c:2700) [ 107.142505][ T965] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 107.142859][ T965] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 107.143213][ T965] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 107.143552][ T965] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 107.143905][ T965] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 107.144242][ T965] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 107.144658][ T965] RIP: 0033:0x7f9eefdb61e7 [ 107.145018][ T965] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 107.146185][ T965] RSP: 002b:00007ffd3e656908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.146676][ T965] RAX: ffffffffffffffda RBX: 00007ffd3e657030 RCX: 00007f9eefdb61e7 [ 107.147182][ T965] RDX: 0000000000000000 RSI: 00007ffd3e656970 RDI: 0000000000000005 [ 107.147688][ T965] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 107.148205][ T965] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd3e657068 [ 107.148709][ T965] R13: 00000000686e4209 R14: 0000000000499600 R15: 0000000000000000 | [ 107.307792][ T967] ------------[ cut here ]------------ | [ 107.308127][ T967] WARNING: CPU: 2 PID: 967 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 107.308836][ T967] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 107.310025][ T967] Tainted: [W]=WARN [ 107.310304][ T967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.310720][ T967] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 107.311070][ T967] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 107.312245][ T967] RSP: 0018:ffffc90000b87080 EFLAGS: 00010246 [ 107.312664][ T967] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 107.313170][ T967] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 107.313674][ T967] RBP: ffffc90000b87168 R08: 0000000000000000 R09: 0000000000000000 [ 107.314172][ T967] R10: ffffc90000b87198 R11: ffffffffacca8918 R12: 1ffff92000170e14 [ 107.314663][ T967] R13: 00000000000005dc R14: ffffc90000b87198 R15: ffff88800a68af08 [ 107.315169][ T967] FS: 00007fbf8cac6800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 107.315755][ T967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.316180][ T967] CR2: 00000000004a1738 CR3: 0000000004f62002 CR4: 0000000000772ef0 [ 107.316670][ T967] PKRU: 55555554 [ 107.316929][ T967] Call Trace: [ 107.317186][ T967] [ 107.317364][ T967] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 107.317702][ T967] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 107.318050][ T967] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 107.318464][ T967] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 107.318806][ T967] netif_set_mtu (net/core/dev.c:9652) [ 107.319139][ T967] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 107.319478][ T967] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 107.319943][ T967] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 107.320200][ T967] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 107.320664][ T967] br_add_if (net/bridge/br_if.c:697) bridge [ 107.321069][ T967] do_set_master (net/core/rtnetlink.c:2948) [ 107.321417][ T967] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 107.321750][ T967] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 107.322093][ T967] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 107.322423][ T967] ? __dev_get_by_name (net/core/dev.c:865) [ 107.322757][ T967] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.323094][ T967] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.323436][ T967] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 107.323757][ T967] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.324118][ T967] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 107.324463][ T967] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 107.324805][ T967] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.325164][ T967] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 107.325493][ T967] ? __lock_release (kernel/locking/lockdep.c:5539) [ 107.325834][ T967] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.326162][ T967] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 107.326500][ T967] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.326838][ T967] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.327170][ T967] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 107.327500][ T967] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.327833][ T967] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 107.328167][ T967] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 107.328496][ T967] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 107.328839][ T967] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 107.329174][ T967] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 107.329512][ T967] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.329858][ T967] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 107.330195][ T967] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 107.330530][ T967] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 107.330878][ T967] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 107.331216][ T967] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 107.331542][ T967] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 107.331959][ T967] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 107.332299][ T967] ___sys_sendmsg (net/socket.c:2670) [ 107.332629][ T967] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 107.332960][ T967] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 107.333298][ T967] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.333629][ T967] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 107.333981][ T967] ? __handle_mm_fault (mm/memory.c:6212) [ 107.334317][ T967] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 107.334646][ T967] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 107.335005][ T967] __sys_sendmsg (net/socket.c:2700) [ 107.335338][ T967] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 107.335673][ T967] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 107.336025][ T967] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 107.336364][ T967] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 107.336697][ T967] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 107.337032][ T967] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 107.337454][ T967] RIP: 0033:0x7fbf8cc931e7 [ 107.337801][ T967] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 107.338956][ T967] RSP: 002b:00007ffcb9f35d38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.339457][ T967] RAX: ffffffffffffffda RBX: 00007ffcb9f36460 RCX: 00007fbf8cc931e7 [ 107.339955][ T967] RDX: 0000000000000000 RSI: 00007ffcb9f35da0 RDI: 0000000000000005 [ 107.340456][ T967] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 107.340951][ T967] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcb9f36498 [ 107.341446][ T967] R13: 00000000686e420a R14: 0000000000499600 R15: 0000000000000000 | [ 107.494658][ T969] ------------[ cut here ]------------ | [ 107.495042][ T969] WARNING: CPU: 0 PID: 969 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 107.495672][ T969] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 107.496855][ T969] Tainted: [W]=WARN [ 107.497094][ T969] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.497489][ T969] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 107.497827][ T969] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 107.498954][ T969] RSP: 0018:ffffc900007f7080 EFLAGS: 00010246 [ 107.499364][ T969] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 107.499844][ T969] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 107.500331][ T969] RBP: ffffc900007f7168 R08: 0000000000000000 R09: 0000000000000000 [ 107.500806][ T969] R10: ffffc900007f7198 R11: ffffffffacca8918 R12: 1ffff920000fee14 [ 107.501282][ T969] R13: 00000000000005dc R14: ffffc900007f7198 R15: ffff88800a68af08 [ 107.501754][ T969] FS: 00007fc9d9ebc800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 107.502316][ T969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.502716][ T969] CR2: 00007f4efcae43b0 CR3: 0000000004f62003 CR4: 0000000000772ef0 [ 107.503211][ T969] PKRU: 55555554 [ 107.503447][ T969] Call Trace: [ 107.503685][ T969] [ 107.503857][ T969] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 107.504191][ T969] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 107.504515][ T969] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 107.504919][ T969] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 107.505242][ T969] netif_set_mtu (net/core/dev.c:9652) [ 107.505558][ T969] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 107.505893][ T969] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 107.506349][ T969] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 107.506592][ T969] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 107.507034][ T969] br_add_if (net/bridge/br_if.c:697) bridge [ 107.507401][ T969] do_set_master (net/core/rtnetlink.c:2948) [ 107.507720][ T969] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 107.508044][ T969] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 107.508368][ T969] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 107.508680][ T969] ? __dev_get_by_name (net/core/dev.c:865) [ 107.509003][ T969] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.509330][ T969] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.509651][ T969] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 107.509970][ T969] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.510302][ T969] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 107.510636][ T969] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 107.510965][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.511297][ T969] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 107.511613][ T969] ? __lock_release (kernel/locking/lockdep.c:5539) [ 107.511942][ T969] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.512265][ T969] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 107.512587][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.512931][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.513259][ T969] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 107.513576][ T969] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.513915][ T969] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 107.514254][ T969] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 107.514566][ T969] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 107.514889][ T969] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 107.515211][ T969] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 107.515528][ T969] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.515862][ T969] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 107.516185][ T969] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 107.516510][ T969] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 107.516844][ T969] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 107.517171][ T969] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 107.517482][ T969] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 107.517885][ T969] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 107.518207][ T969] ___sys_sendmsg (net/socket.c:2670) [ 107.518525][ T969] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 107.518854][ T969] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 107.519175][ T969] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.519489][ T969] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 107.519817][ T969] ? __handle_mm_fault (mm/memory.c:6212) [ 107.520133][ T969] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 107.520467][ T969] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 107.520811][ T969] __sys_sendmsg (net/socket.c:2700) [ 107.521129][ T969] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 107.521443][ T969] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 107.521766][ T969] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 107.522092][ T969] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 107.522413][ T969] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 107.522726][ T969] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 107.523138][ T969] RIP: 0033:0x7fc9da0891e7 [ 107.523464][ T969] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 107.524601][ T969] RSP: 002b:00007ffee35b0878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.525102][ T969] RAX: ffffffffffffffda RBX: 00007ffee35b0fa0 RCX: 00007fc9da0891e7 [ 107.525584][ T969] RDX: 0000000000000000 RSI: 00007ffee35b08e0 RDI: 0000000000000005 [ 107.526064][ T969] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 107.526538][ T969] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee35b0fd8 [ 107.527020][ T969] R13: 00000000686e420a R14: 0000000000499600 R15: 0000000000000000 | [ 107.670126][ T971] ------------[ cut here ]------------ | [ 107.670468][ T971] WARNING: CPU: 3 PID: 971 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 107.671155][ T971] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 107.672291][ T971] Tainted: [W]=WARN [ 107.672532][ T971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.672939][ T971] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 107.673268][ T971] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 107.674446][ T971] RSP: 0018:ffffc900007f7080 EFLAGS: 00010246 [ 107.674862][ T971] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 107.675346][ T971] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 107.675838][ T971] RBP: ffffc900007f7168 R08: 0000000000000000 R09: 0000000000000000 [ 107.676343][ T971] R10: ffffc900007f7198 R11: ffffffffacca8918 R12: 1ffff920000fee14 [ 107.676832][ T971] R13: 00000000000005dc R14: ffffc900007f7198 R15: ffff88800a68af08 [ 107.677313][ T971] FS: 00007faf63266800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 107.677871][ T971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.678303][ T971] CR2: 00000000004a1738 CR3: 00000000051ac003 CR4: 0000000000772ef0 [ 107.678789][ T971] PKRU: 55555554 [ 107.679028][ T971] Call Trace: [ 107.679268][ T971] [ 107.679437][ T971] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 107.679766][ T971] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 107.680107][ T971] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 107.680535][ T971] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 107.680867][ T971] netif_set_mtu (net/core/dev.c:9652) [ 107.681196][ T971] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 107.681532][ T971] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 107.682015][ T971] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 107.682266][ T971] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 107.682713][ T971] br_add_if (net/bridge/br_if.c:697) bridge [ 107.683103][ T971] do_set_master (net/core/rtnetlink.c:2948) [ 107.683430][ T971] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 107.683751][ T971] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 107.684077][ T971] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 107.684391][ T971] ? __dev_get_by_name (net/core/dev.c:865) [ 107.684712][ T971] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.685031][ T971] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.685376][ T971] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 107.685689][ T971] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.686032][ T971] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 107.686364][ T971] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 107.686686][ T971] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.687021][ T971] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 107.687337][ T971] ? __lock_release (kernel/locking/lockdep.c:5539) [ 107.687659][ T971] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.687978][ T971] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 107.688295][ T971] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.688617][ T971] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.688943][ T971] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 107.689274][ T971] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.689606][ T971] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 107.689952][ T971] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 107.690278][ T971] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 107.690598][ T971] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 107.690937][ T971] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 107.691257][ T971] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.691578][ T971] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 107.691909][ T971] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 107.692244][ T971] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 107.692567][ T971] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 107.692897][ T971] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 107.693220][ T971] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 107.693621][ T971] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 107.693952][ T971] ___sys_sendmsg (net/socket.c:2670) [ 107.694278][ T971] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 107.694595][ T971] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 107.694922][ T971] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.695245][ T971] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 107.695581][ T971] ? __handle_mm_fault (mm/memory.c:6212) [ 107.695910][ T971] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 107.696229][ T971] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 107.696572][ T971] __sys_sendmsg (net/socket.c:2700) [ 107.696898][ T971] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 107.697220][ T971] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 107.697547][ T971] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 107.697868][ T971] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 107.698193][ T971] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 107.698513][ T971] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 107.698917][ T971] RIP: 0033:0x7faf634331e7 [ 107.699254][ T971] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 107.700412][ T971] RSP: 002b:00007fffd39e99b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.700898][ T971] RAX: ffffffffffffffda RBX: 00007fffd39ea0e0 RCX: 00007faf634331e7 [ 107.701409][ T971] RDX: 0000000000000000 RSI: 00007fffd39e9a20 RDI: 0000000000000005 [ 107.701895][ T971] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 107.702378][ T971] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffd39ea118 [ 107.702871][ T971] R13: 00000000686e420a R14: 0000000000499600 R15: 0000000000000000 | [ 107.843011][ T973] ------------[ cut here ]------------ | [ 107.843328][ T973] WARNING: CPU: 0 PID: 973 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 107.843958][ T973] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 107.845100][ T973] Tainted: [W]=WARN [ 107.845341][ T973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 107.845736][ T973] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 107.846075][ T973] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 107.847219][ T973] RSP: 0000:ffffc900004e7080 EFLAGS: 00010246 [ 107.847618][ T973] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 107.848111][ T973] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 107.848585][ T973] RBP: ffffc900004e7168 R08: 0000000000000000 R09: 0000000000000000 [ 107.849066][ T973] R10: ffffc900004e7198 R11: ffffffffacca8918 R12: 1ffff9200009ce14 [ 107.849542][ T973] R13: 00000000000005dc R14: ffffc900004e7198 R15: ffff88800a68af08 [ 107.850021][ T973] FS: 00007f0c1edef800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 107.850587][ T973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.850990][ T973] CR2: 00007f4efceeee80 CR3: 00000000051ac003 CR4: 0000000000772ef0 [ 107.851468][ T973] PKRU: 55555554 [ 107.851703][ T973] Call Trace: [ 107.851947][ T973] [ 107.852112][ T973] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 107.852437][ T973] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 107.852761][ T973] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 107.853169][ T973] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 107.853528][ T973] netif_set_mtu (net/core/dev.c:9652) [ 107.853886][ T973] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 107.854217][ T973] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 107.854677][ T973] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 107.854942][ T973] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 107.855385][ T973] br_add_if (net/bridge/br_if.c:697) bridge [ 107.855754][ T973] do_set_master (net/core/rtnetlink.c:2948) [ 107.856084][ T973] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 107.856406][ T973] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 107.856721][ T973] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 107.857035][ T973] ? __dev_get_by_name (net/core/dev.c:865) [ 107.857355][ T973] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.857672][ T973] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 107.858007][ T973] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 107.858329][ T973] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.858651][ T973] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 107.858993][ T973] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 107.859320][ T973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.859652][ T973] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 107.859975][ T973] ? __lock_release (kernel/locking/lockdep.c:5539) [ 107.860316][ T973] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 107.860640][ T973] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 107.860966][ T973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.861294][ T973] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.861621][ T973] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 107.861945][ T973] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 107.862262][ T973] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 107.862595][ T973] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 107.862919][ T973] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 107.863235][ T973] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 107.863562][ T973] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 107.863885][ T973] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 107.864207][ T973] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 107.864527][ T973] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 107.864850][ T973] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 107.865179][ T973] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 107.865498][ T973] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 107.865825][ T973] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 107.866232][ T973] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 107.866554][ T973] ___sys_sendmsg (net/socket.c:2670) [ 107.866881][ T973] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 107.867200][ T973] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 107.867523][ T973] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 107.867849][ T973] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 107.868174][ T973] ? __handle_mm_fault (mm/memory.c:6212) [ 107.868500][ T973] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 107.868829][ T973] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 107.869163][ T973] __sys_sendmsg (net/socket.c:2700) [ 107.869479][ T973] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 107.869801][ T973] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 107.870129][ T973] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 107.870456][ T973] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 107.870784][ T973] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 107.871108][ T973] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 107.871501][ T973] RIP: 0033:0x7f0c1efbc1e7 [ 107.871839][ T973] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 107.872981][ T973] RSP: 002b:00007ffd479a90c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.873467][ T973] RAX: ffffffffffffffda RBX: 00007ffd479a97f0 RCX: 00007f0c1efbc1e7 [ 107.873947][ T973] RDX: 0000000000000000 RSI: 00007ffd479a9130 RDI: 0000000000000005 [ 107.874430][ T973] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 107.874912][ T973] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd479a9828 [ 107.875390][ T973] R13: 00000000686e420a R14: 0000000000499600 R15: 0000000000000000 | [ 108.038548][ T975] ------------[ cut here ]------------ | [ 108.038979][ T975] WARNING: CPU: 2 PID: 975 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 108.039630][ T975] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 108.041221][ T975] Tainted: [W]=WARN [ 108.041736][ T975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.042248][ T975] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 108.042598][ T975] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 108.043758][ T975] RSP: 0018:ffffc900004d7080 EFLAGS: 00010246 [ 108.044194][ T975] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 108.044693][ T975] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 108.045189][ T975] RBP: ffffc900004d7168 R08: 0000000000000000 R09: 0000000000000000 [ 108.045709][ T975] R10: ffffc900004d7198 R11: ffffffffacca8918 R12: 1ffff9200009ae14 [ 108.046217][ T975] R13: 00000000000005dc R14: ffffc900004d7198 R15: ffff88800a68af08 [ 108.046708][ T975] FS: 00007f29b2b8a800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 108.047291][ T975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.047715][ T975] CR2: 00007f9219553970 CR3: 000000000ae23002 CR4: 0000000000772ef0 [ 108.048246][ T975] PKRU: 55555554 [ 108.048511][ T975] Call Trace: [ 108.048765][ T975] [ 108.048953][ T975] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 108.049295][ T975] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 108.049631][ T975] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 108.050047][ T975] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 108.050393][ T975] netif_set_mtu (net/core/dev.c:9652) [ 108.050733][ T975] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 108.051091][ T975] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 108.051554][ T975] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 108.051820][ T975] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 108.052277][ T975] br_add_if (net/bridge/br_if.c:697) bridge [ 108.052655][ T975] do_set_master (net/core/rtnetlink.c:2948) [ 108.053013][ T975] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 108.053359][ T975] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 108.053698][ T975] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 108.054029][ T975] ? __dev_get_by_name (net/core/dev.c:865) [ 108.054366][ T975] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.054710][ T975] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.055052][ T975] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 108.055379][ T975] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.055721][ T975] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 108.056091][ T975] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 108.056432][ T975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.056802][ T975] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 108.057130][ T975] ? __lock_release (kernel/locking/lockdep.c:5539) [ 108.057473][ T975] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.057818][ T975] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 108.058148][ T975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.058488][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.058833][ T975] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 108.059169][ T975] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.059505][ T975] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 108.059863][ T975] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 108.060202][ T975] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 108.060549][ T975] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 108.060902][ T975] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 108.061232][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.061579][ T975] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 108.061932][ T975] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 108.062268][ T975] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 108.062641][ T975] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 108.062990][ T975] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 108.063322][ T975] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 108.063731][ T975] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 108.064076][ T975] ___sys_sendmsg (net/socket.c:2670) [ 108.064407][ T975] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 108.064743][ T975] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 108.065086][ T975] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.065414][ T975] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 108.065753][ T975] ? __handle_mm_fault (mm/memory.c:6212) [ 108.066102][ T975] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 108.066430][ T975] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 108.066791][ T975] __sys_sendmsg (net/socket.c:2700) [ 108.067126][ T975] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 108.067470][ T975] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 108.067831][ T975] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 108.068169][ T975] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 108.068514][ T975] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 108.068855][ T975] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 108.069261][ T975] RIP: 0033:0x7f29b2d571e7 [ 108.069604][ T975] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 108.070787][ T975] RSP: 002b:00007ffd88b5cdf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.071287][ T975] RAX: ffffffffffffffda RBX: 00007ffd88b5d520 RCX: 00007f29b2d571e7 [ 108.071783][ T975] RDX: 0000000000000000 RSI: 00007ffd88b5ce60 RDI: 0000000000000005 [ 108.072280][ T975] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 108.072764][ T975] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd88b5d558 [ 108.073264][ T975] R13: 00000000686e420a R14: 0000000000499600 R15: 0000000000000000 | [ 108.238448][ T977] ------------[ cut here ]------------ | [ 108.238765][ T977] WARNING: CPU: 3 PID: 977 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 108.239471][ T977] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 108.240663][ T977] Tainted: [W]=WARN [ 108.241139][ T977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.241544][ T977] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 108.241883][ T977] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 108.243033][ T977] RSP: 0018:ffffc90002017080 EFLAGS: 00010246 [ 108.243432][ T977] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 108.243918][ T977] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 108.244402][ T977] RBP: ffffc90002017168 R08: 0000000000000000 R09: 0000000000000000 [ 108.244889][ T977] R10: ffffc90002017198 R11: ffffffffacca8918 R12: 1ffff92000402e14 [ 108.245363][ T977] R13: 00000000000005dc R14: ffffc90002017198 R15: ffff88800a68af08 [ 108.245845][ T977] FS: 00007fa9cb741800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 108.246418][ T977] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.246829][ T977] CR2: 00000000004a1738 CR3: 000000000ae23004 CR4: 0000000000772ef0 [ 108.247315][ T977] PKRU: 55555554 [ 108.247561][ T977] Call Trace: [ 108.247808][ T977] [ 108.247976][ T977] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 108.248309][ T977] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 108.248629][ T977] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 108.249034][ T977] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 108.249359][ T977] netif_set_mtu (net/core/dev.c:9652) [ 108.249681][ T977] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 108.250015][ T977] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 108.250481][ T977] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 108.250725][ T977] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 108.251166][ T977] br_add_if (net/bridge/br_if.c:697) bridge [ 108.251531][ T977] do_set_master (net/core/rtnetlink.c:2948) [ 108.251861][ T977] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 108.252186][ T977] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 108.252522][ T977] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 108.252849][ T977] ? __dev_get_by_name (net/core/dev.c:865) [ 108.253167][ T977] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.253487][ T977] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.253816][ T977] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 108.254134][ T977] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.254455][ T977] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 108.254825][ T977] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 108.255153][ T977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.255487][ T977] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 108.255821][ T977] ? __lock_release (kernel/locking/lockdep.c:5539) [ 108.256147][ T977] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.256471][ T977] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 108.256798][ T977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.257137][ T977] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.257465][ T977] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 108.257790][ T977] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.258108][ T977] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 108.258438][ T977] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 108.258752][ T977] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 108.259076][ T977] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 108.259400][ T977] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 108.259717][ T977] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.260044][ T977] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 108.260376][ T977] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 108.260693][ T977] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 108.261036][ T977] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 108.261366][ T977] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 108.261685][ T977] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 108.262091][ T977] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 108.262418][ T977] ___sys_sendmsg (net/socket.c:2670) [ 108.262743][ T977] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 108.263064][ T977] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 108.263390][ T977] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.263709][ T977] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 108.264043][ T977] ? __handle_mm_fault (mm/memory.c:6212) [ 108.264359][ T977] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 108.264674][ T977] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 108.265022][ T977] __sys_sendmsg (net/socket.c:2700) [ 108.265340][ T977] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 108.265657][ T977] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 108.266005][ T977] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 108.266328][ T977] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 108.266648][ T977] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 108.266983][ T977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 108.267384][ T977] RIP: 0033:0x7fa9cb90e1e7 [ 108.267722][ T977] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 108.268859][ T977] RSP: 002b:00007ffc23e303e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.269340][ T977] RAX: ffffffffffffffda RBX: 00007ffc23e30b10 RCX: 00007fa9cb90e1e7 [ 108.269822][ T977] RDX: 0000000000000000 RSI: 00007ffc23e30450 RDI: 0000000000000005 [ 108.270312][ T977] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 108.270809][ T977] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc23e30b48 [ 108.271305][ T977] R13: 00000000686e420b R14: 0000000000499600 R15: 0000000000000000 | [ 108.465573][ T979] ------------[ cut here ]------------ | [ 108.465978][ T979] WARNING: CPU: 2 PID: 979 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 108.466616][ T979] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 108.467808][ T979] Tainted: [W]=WARN [ 108.468061][ T979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.468476][ T979] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 108.468834][ T979] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 108.469989][ T979] RSP: 0018:ffffc900004c7080 EFLAGS: 00010246 [ 108.470415][ T979] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 108.470920][ T979] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 108.471432][ T979] RBP: ffffc900004c7168 R08: 0000000000000000 R09: 0000000000000000 [ 108.471941][ T979] R10: ffffc900004c7198 R11: ffffffffacca8918 R12: 1ffff92000098e14 [ 108.472435][ T979] R13: 00000000000005dc R14: ffffc900004c7198 R15: ffff88800a68af08 [ 108.472936][ T979] FS: 00007fcab6e98800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 108.473501][ T979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.473923][ T979] CR2: 00000000004a1738 CR3: 0000000004bf2003 CR4: 0000000000772ef0 [ 108.474425][ T979] PKRU: 55555554 [ 108.474681][ T979] Call Trace: [ 108.474942][ T979] [ 108.475121][ T979] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 108.475457][ T979] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 108.475802][ T979] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 108.476213][ T979] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 108.476555][ T979] netif_set_mtu (net/core/dev.c:9652) [ 108.476892][ T979] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 108.477236][ T979] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 108.477700][ T979] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 108.477962][ T979] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 108.478423][ T979] br_add_if (net/bridge/br_if.c:697) bridge [ 108.478814][ T979] do_set_master (net/core/rtnetlink.c:2948) [ 108.479144][ T979] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 108.479477][ T979] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 108.479820][ T979] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 108.480149][ T979] ? __dev_get_by_name (net/core/dev.c:865) [ 108.480506][ T979] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.480847][ T979] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.481184][ T979] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 108.481510][ T979] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.481853][ T979] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 108.482195][ T979] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 108.482533][ T979] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.482886][ T979] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 108.483216][ T979] ? __lock_release (kernel/locking/lockdep.c:5539) [ 108.483547][ T979] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.483884][ T979] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 108.484217][ T979] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.484549][ T979] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.484895][ T979] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 108.485235][ T979] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.485570][ T979] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 108.485925][ T979] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 108.486262][ T979] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 108.486593][ T979] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 108.486939][ T979] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 108.487266][ T979] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.487598][ T979] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 108.487940][ T979] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 108.488275][ T979] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 108.488623][ T979] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 108.488969][ T979] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 108.489300][ T979] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 108.489715][ T979] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 108.490061][ T979] ___sys_sendmsg (net/socket.c:2670) [ 108.490403][ T979] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 108.490733][ T979] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 108.491080][ T979] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.491410][ T979] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 108.491749][ T979] ? __handle_mm_fault (mm/memory.c:6212) [ 108.492100][ T979] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 108.492431][ T979] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 108.492793][ T979] __sys_sendmsg (net/socket.c:2700) [ 108.493128][ T979] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 108.493469][ T979] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 108.493821][ T979] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 108.494157][ T979] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 108.494494][ T979] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 108.494841][ T979] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 108.495247][ T979] RIP: 0033:0x7fcab70651e7 [ 108.495595][ T979] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 108.496762][ T979] RSP: 002b:00007ffee8decb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.497266][ T979] RAX: ffffffffffffffda RBX: 00007ffee8ded260 RCX: 00007fcab70651e7 [ 108.497758][ T979] RDX: 0000000000000000 RSI: 00007ffee8decba0 RDI: 0000000000000005 [ 108.498262][ T979] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 108.498746][ T979] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee8ded298 [ 108.499246][ T979] R13: 00000000686e420b R14: 0000000000499600 R15: 0000000000000000 | [ 108.671402][ T981] ------------[ cut here ]------------ | [ 108.671722][ T981] WARNING: CPU: 3 PID: 981 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 108.672422][ T981] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 108.673569][ T981] Tainted: [W]=WARN [ 108.673815][ T981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.674305][ T981] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 108.674636][ T981] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 108.675775][ T981] RSP: 0018:ffffc900005c7080 EFLAGS: 00010246 [ 108.676197][ T981] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 108.676675][ T981] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 108.677160][ T981] RBP: ffffc900005c7168 R08: 0000000000000000 R09: 0000000000000000 [ 108.677640][ T981] R10: ffffc900005c7198 R11: ffffffffacca8918 R12: 1ffff920000b8e14 [ 108.678131][ T981] R13: 00000000000005dc R14: ffffc900005c7198 R15: ffff88800a68af08 [ 108.678645][ T981] FS: 00007f8bf44ca800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 108.679217][ T981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.679624][ T981] CR2: 00000000004a1738 CR3: 000000000e042006 CR4: 0000000000772ef0 [ 108.680113][ T981] PKRU: 55555554 [ 108.680365][ T981] Call Trace: [ 108.680604][ T981] [ 108.680789][ T981] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 108.681119][ T981] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 108.681444][ T981] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 108.681858][ T981] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 108.682180][ T981] netif_set_mtu (net/core/dev.c:9652) [ 108.682501][ T981] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 108.682838][ T981] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 108.683294][ T981] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 108.683537][ T981] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 108.683982][ T981] br_add_if (net/bridge/br_if.c:697) bridge [ 108.684349][ T981] do_set_master (net/core/rtnetlink.c:2948) [ 108.684666][ T981] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 108.684994][ T981] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 108.685331][ T981] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 108.685646][ T981] ? __dev_get_by_name (net/core/dev.c:865) [ 108.685980][ T981] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.686300][ T981] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.686622][ T981] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 108.686942][ T981] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.687270][ T981] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 108.687599][ T981] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 108.687928][ T981] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.688260][ T981] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 108.688576][ T981] ? __lock_release (kernel/locking/lockdep.c:5539) [ 108.688925][ T981] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.689253][ T981] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 108.689577][ T981] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.689916][ T981] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.690248][ T981] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 108.690572][ T981] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.690900][ T981] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 108.691231][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 108.691547][ T981] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 108.691883][ T981] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 108.692206][ T981] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 108.692520][ T981] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.692850][ T981] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 108.693175][ T981] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 108.693488][ T981] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 108.693824][ T981] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 108.694146][ T981] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 108.694466][ T981] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 108.694881][ T981] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 108.695225][ T981] ___sys_sendmsg (net/socket.c:2670) [ 108.695553][ T981] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 108.695888][ T981] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 108.696211][ T981] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.696527][ T981] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 108.696858][ T981] ? __handle_mm_fault (mm/memory.c:6212) [ 108.697184][ T981] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 108.697500][ T981] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 108.697841][ T981] __sys_sendmsg (net/socket.c:2700) [ 108.698164][ T981] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 108.698481][ T981] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 108.698814][ T981] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 108.699132][ T981] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 108.699453][ T981] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 108.699784][ T981] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 108.700179][ T981] RIP: 0033:0x7f8bf46971e7 [ 108.700516][ T981] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 108.701693][ T981] RSP: 002b:00007ffc46e38a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.702182][ T981] RAX: ffffffffffffffda RBX: 00007ffc46e39140 RCX: 00007f8bf46971e7 [ 108.702655][ T981] RDX: 0000000000000000 RSI: 00007ffc46e38a80 RDI: 0000000000000005 [ 108.703143][ T981] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 108.703616][ T981] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc46e39178 [ 108.704096][ T981] R13: 00000000686e420b R14: 0000000000499600 R15: 0000000000000000 | [ 108.854522][ T983] ------------[ cut here ]------------ | [ 108.855552][ T983] WARNING: CPU: 0 PID: 983 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 108.856182][ T983] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 108.857327][ T983] Tainted: [W]=WARN [ 108.857568][ T983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.857974][ T983] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 108.858299][ T983] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 108.859442][ T983] RSP: 0018:ffffc900005f7080 EFLAGS: 00010246 [ 108.859850][ T983] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 108.860331][ T983] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 108.860806][ T983] RBP: ffffc900005f7168 R08: 0000000000000000 R09: 0000000000000000 [ 108.861277][ T983] R10: ffffc900005f7198 R11: ffffffffacca8918 R12: 1ffff920000bee14 [ 108.861755][ T983] R13: 00000000000005dc R14: ffffc900005f7198 R15: ffff88800a68af08 [ 108.862249][ T983] FS: 00007fa073809800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 108.862818][ T983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.863218][ T983] CR2: 00000000004a1738 CR3: 000000000fd79005 CR4: 0000000000772ef0 [ 108.863688][ T983] PKRU: 55555554 [ 108.863935][ T983] Call Trace: [ 108.864179][ T983] [ 108.864344][ T983] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 108.864668][ T983] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 108.864994][ T983] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 108.865387][ T983] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 108.865704][ T983] netif_set_mtu (net/core/dev.c:9652) [ 108.866030][ T983] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 108.866387][ T983] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 108.866842][ T983] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 108.867082][ T983] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 108.867515][ T983] br_add_if (net/bridge/br_if.c:697) bridge [ 108.867888][ T983] do_set_master (net/core/rtnetlink.c:2948) [ 108.868211][ T983] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 108.868531][ T983] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 108.868857][ T983] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 108.869166][ T983] ? __dev_get_by_name (net/core/dev.c:865) [ 108.869493][ T983] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.869819][ T983] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 108.870142][ T983] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 108.870464][ T983] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.870796][ T983] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 108.871123][ T983] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 108.871448][ T983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.871786][ T983] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 108.872103][ T983] ? __lock_release (kernel/locking/lockdep.c:5539) [ 108.872423][ T983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 108.872739][ T983] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 108.873070][ T983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.873407][ T983] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.873732][ T983] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 108.874065][ T983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 108.874390][ T983] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 108.874719][ T983] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 108.875071][ T983] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 108.875398][ T983] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 108.875716][ T983] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 108.876043][ T983] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 108.876372][ T983] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 108.876692][ T983] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 108.877022][ T983] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 108.877354][ T983] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 108.877680][ T983] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 108.878006][ T983] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 108.878409][ T983] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 108.878737][ T983] ___sys_sendmsg (net/socket.c:2670) [ 108.879076][ T983] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 108.879392][ T983] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 108.879709][ T983] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 108.880035][ T983] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 108.880371][ T983] ? __handle_mm_fault (mm/memory.c:6212) [ 108.880692][ T983] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 108.881018][ T983] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 108.881351][ T983] __sys_sendmsg (net/socket.c:2700) [ 108.881671][ T983] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 108.882003][ T983] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 108.882327][ T983] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 108.882642][ T983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 108.882975][ T983] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 108.883297][ T983] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 108.883688][ T983] RIP: 0033:0x7fa0739d61e7 [ 108.884032][ T983] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 108.885160][ T983] RSP: 002b:00007ffdd232f878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.885651][ T983] RAX: ffffffffffffffda RBX: 00007ffdd232ffa0 RCX: 00007fa0739d61e7 [ 108.886140][ T983] RDX: 0000000000000000 RSI: 00007ffdd232f8e0 RDI: 0000000000000005 [ 108.886621][ T983] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 108.887104][ T983] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdd232ffd8 [ 108.887591][ T983] R13: 00000000686e420b R14: 0000000000499600 R15: 0000000000000000 | [ 109.039642][ T986] ------------[ cut here ]------------ | [ 109.040061][ T986] WARNING: CPU: 2 PID: 986 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 109.040722][ T986] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 109.042138][ T986] Tainted: [W]=WARN [ 109.042388][ T986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.042808][ T986] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.043158][ T986] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.044327][ T986] RSP: 0000:ffffc900005c7080 EFLAGS: 00010246 [ 109.044745][ T986] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 109.045244][ T986] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 109.045731][ T986] RBP: ffffc900005c7168 R08: 0000000000000000 R09: 0000000000000000 [ 109.046232][ T986] R10: ffffc900005c7198 R11: ffffffffacca8918 R12: 1ffff920000b8e14 [ 109.046719][ T986] R13: 00000000000005dc R14: ffffc900005c7198 R15: ffff88800a68af08 [ 109.047211][ T986] FS: 00007fae6c7ba800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 109.047790][ T986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.048209][ T986] CR2: 00007f4efceeee80 CR3: 0000000005e09003 CR4: 0000000000772ef0 [ 109.048725][ T986] PKRU: 55555554 [ 109.048993][ T986] Call Trace: [ 109.049249][ T986] [ 109.049427][ T986] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.049776][ T986] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.050110][ T986] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.050534][ T986] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.050875][ T986] netif_set_mtu (net/core/dev.c:9652) [ 109.051205][ T986] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.051542][ T986] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.052010][ T986] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.052266][ T986] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.052721][ T986] br_add_if (net/bridge/br_if.c:697) bridge [ 109.053113][ T986] do_set_master (net/core/rtnetlink.c:2948) [ 109.053447][ T986] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.053797][ T986] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.054130][ T986] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.054461][ T986] ? __dev_get_by_name (net/core/dev.c:865) [ 109.054808][ T986] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.055142][ T986] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.055481][ T986] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.055819][ T986] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.056161][ T986] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.056497][ T986] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.056841][ T986] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.057183][ T986] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.057516][ T986] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.057856][ T986] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.058200][ T986] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.058544][ T986] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.058899][ T986] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.059244][ T986] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.059576][ T986] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.059914][ T986] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.060266][ T986] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.060609][ T986] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.060956][ T986] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 109.061289][ T986] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 109.061632][ T986] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.061979][ T986] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 109.062321][ T986] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 109.062652][ T986] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 109.063003][ T986] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 109.063345][ T986] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 109.063671][ T986] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 109.064092][ T986] ? debug_object_activate (lib/debugobjects.c:837) [ 109.064425][ T986] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.064761][ T986] ___sys_sendmsg (net/socket.c:2670) [ 109.065103][ T986] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 109.065435][ T986] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 109.066243][ T986] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.066591][ T986] ? sched_balance_domains (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/sched/fair.c:12271) [ 109.066934][ T986] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.067263][ T986] ? sched_balance_domains (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 kernel/sched/fair.c:12271) [ 109.067591][ T986] ? sched_balance_domains (kernel/sched/fair.c:12278) [ 109.067934][ T986] __sys_sendmsg (net/socket.c:2700) [ 109.068266][ T986] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 109.068591][ T986] ? __pfx_sched_balance_domains (kernel/sched/fair.c:12202) [ 109.069006][ T986] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) [ 109.069653][ T986] ? handle_softirqs (./arch/x86/include/asm/preempt.h:27 kernel/softirq.c:426 kernel/softirq.c:607) [ 109.070229][ T986] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 109.070568][ T986] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.070905][ T986] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 109.071320][ T986] RIP: 0033:0x7fae6c9871e7 [ 109.071662][ T986] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 109.072821][ T986] RSP: 002b:00007ffcc52ad4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.073309][ T986] RAX: ffffffffffffffda RBX: 00007ffcc52adc10 RCX: 00007fae6c9871e7 [ 109.073801][ T986] RDX: 0000000000000000 RSI: 00007ffcc52ad550 RDI: 0000000000000005 [ 109.074750][ T986] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 109.075252][ T986] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc52adc48 [ 109.075737][ T986] R13: 00000000686e420b R14: 0000000000499600 R15: 0000000000000000 | [ 109.218623][ T987] ------------[ cut here ]------------ | [ 109.219057][ T987] WARNING: CPU: 3 PID: 987 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 109.219753][ T987] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 109.221034][ T987] Tainted: [W]=WARN [ 109.221291][ T987] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.221716][ T987] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.222096][ T987] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.223331][ T987] RSP: 0018:ffffc900005c7080 EFLAGS: 00010246 [ 109.223765][ T987] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 109.224283][ T987] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 109.224805][ T987] RBP: ffffc900005c7168 R08: 0000000000000000 R09: 0000000000000000 [ 109.225311][ T987] R10: ffffc900005c7198 R11: ffffffffacca8918 R12: 1ffff920000b8e14 [ 109.225827][ T987] R13: 00000000000005dc R14: ffffc900005c7198 R15: ffff88800a68af08 [ 109.226328][ T987] FS: 00007ff26da02800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 109.226920][ T987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.227343][ T987] CR2: 00000000004a1738 CR3: 000000001003c004 CR4: 0000000000772ef0 [ 109.227863][ T987] PKRU: 55555554 [ 109.228113][ T987] Call Trace: [ 109.228359][ T987] [ 109.228532][ T987] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.228881][ T987] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.229221][ T987] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.229691][ T987] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.230036][ T987] netif_set_mtu (net/core/dev.c:9652) [ 109.230393][ T987] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.230739][ T987] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.231219][ T987] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.231472][ T987] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.231938][ T987] br_add_if (net/bridge/br_if.c:697) bridge [ 109.232322][ T987] do_set_master (net/core/rtnetlink.c:2948) [ 109.232657][ T987] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.232999][ T987] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.233336][ T987] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.233662][ T987] ? __dev_get_by_name (net/core/dev.c:865) [ 109.234004][ T987] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.234338][ T987] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.234674][ T987] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.235013][ T987] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.235352][ T987] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.235695][ T987] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.236039][ T987] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.236379][ T987] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.236711][ T987] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.237052][ T987] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.237387][ T987] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.237720][ T987] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.238062][ T987] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.238398][ T987] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.238725][ T987] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.239065][ T987] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.239409][ T987] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.239760][ T987] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.240113][ T987] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 109.240482][ T987] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 109.240836][ T987] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.241176][ T987] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 109.241524][ T987] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 109.241877][ T987] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 109.242237][ T987] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 109.242582][ T987] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 109.242937][ T987] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 109.243371][ T987] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 109.243725][ T987] ___sys_sendmsg (net/socket.c:2670) [ 109.244072][ T987] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 109.244410][ T987] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 109.244755][ T987] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.245098][ T987] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 109.245458][ T987] ? __handle_mm_fault (mm/memory.c:6212) [ 109.245800][ T987] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 109.246130][ T987] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 109.246483][ T987] __sys_sendmsg (net/socket.c:2700) [ 109.246835][ T987] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 109.247174][ T987] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 109.247523][ T987] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 109.247870][ T987] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 109.248207][ T987] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.248543][ T987] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 109.248961][ T987] RIP: 0033:0x7ff26dbcf1e7 [ 109.249305][ T987] Code: Unable to access opcode bytes at 0x7ff26dbcf1bd. Code starting with the faulting instruction =========================================== [ 109.249734][ T987] RSP: 002b:00007ffe8eaf3d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.250268][ T987] RAX: ffffffffffffffda RBX: 00007ffe8eaf4480 RCX: 00007ff26dbcf1e7 [ 109.250776][ T987] RDX: 0000000000000000 RSI: 00007ffe8eaf3dc0 RDI: 0000000000000005 [ 109.251289][ T987] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 109.251777][ T987] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe8eaf44b8 [ 109.252253][ T987] R13: 00000000686e420c R14: 0000000000499600 R15: 0000000000000000 | [ 109.406795][ T989] ------------[ cut here ]------------ | [ 109.407113][ T989] WARNING: CPU: 0 PID: 989 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 109.407737][ T989] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 109.408966][ T989] Tainted: [W]=WARN [ 109.409207][ T989] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.409606][ T989] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.409939][ T989] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.411086][ T989] RSP: 0018:ffffc900005c7080 EFLAGS: 00010246 [ 109.411490][ T989] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 109.411973][ T989] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 109.412448][ T989] RBP: ffffc900005c7168 R08: 0000000000000000 R09: 0000000000000000 [ 109.412931][ T989] R10: ffffc900005c7198 R11: ffffffffacca8918 R12: 1ffff920000b8e14 [ 109.413420][ T989] R13: 00000000000005dc R14: ffffc900005c7198 R15: ffff88800a68af08 [ 109.413908][ T989] FS: 00007f9349ea7800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 109.414464][ T989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.414871][ T989] CR2: 00000000004a1738 CR3: 000000001003c002 CR4: 0000000000772ef0 [ 109.415347][ T989] PKRU: 55555554 [ 109.415587][ T989] Call Trace: [ 109.415838][ T989] [ 109.416014][ T989] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.416344][ T989] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.416674][ T989] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.417078][ T989] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.417400][ T989] netif_set_mtu (net/core/dev.c:9652) [ 109.417722][ T989] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.418056][ T989] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.418502][ T989] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.418745][ T989] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.419187][ T989] br_add_if (net/bridge/br_if.c:697) bridge [ 109.419550][ T989] do_set_master (net/core/rtnetlink.c:2948) [ 109.419874][ T989] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.420192][ T989] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.420520][ T989] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.420845][ T989] ? __dev_get_by_name (net/core/dev.c:865) [ 109.421162][ T989] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.421483][ T989] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.421809][ T989] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.422122][ T989] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.422444][ T989] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.422775][ T989] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.423097][ T989] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.423433][ T989] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.423749][ T989] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.424073][ T989] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.424417][ T989] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.424736][ T989] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.425065][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.425389][ T989] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.425721][ T989] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.426046][ T989] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.426379][ T989] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.426695][ T989] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.427022][ T989] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 109.427350][ T989] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 109.427670][ T989] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.428002][ T989] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 109.428320][ T989] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 109.428639][ T989] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 109.428973][ T989] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 109.429300][ T989] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 109.429617][ T989] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 109.430052][ T989] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 109.430387][ T989] ___sys_sendmsg (net/socket.c:2670) [ 109.430707][ T989] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 109.431032][ T989] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 109.431380][ T989] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.431693][ T989] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 109.432037][ T989] ? __handle_mm_fault (mm/memory.c:6212) [ 109.432378][ T989] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 109.432693][ T989] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 109.433717][ T989] __sys_sendmsg (net/socket.c:2700) [ 109.434044][ T989] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 109.434596][ T989] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 109.434932][ T989] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 109.435254][ T989] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 109.435825][ T989] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.436146][ T989] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 109.436541][ T989] RIP: 0033:0x7f934a0741e7 [ 109.436886][ T989] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 109.438038][ T989] RSP: 002b:00007ffc3d39df18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.438517][ T989] RAX: ffffffffffffffda RBX: 00007ffc3d39e640 RCX: 00007f934a0741e7 [ 109.438997][ T989] RDX: 0000000000000000 RSI: 00007ffc3d39df80 RDI: 0000000000000005 [ 109.439754][ T989] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 109.440490][ T989] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc3d39e678 [ 109.440978][ T989] R13: 00000000686e420c R14: 0000000000499600 R15: 0000000000000000 | [ 109.599799][ T992] ------------[ cut here ]------------ | [ 109.600139][ T992] WARNING: CPU: 2 PID: 992 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 109.600898][ T992] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 109.602100][ T992] Tainted: [W]=WARN [ 109.602377][ T992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.602807][ T992] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.603152][ T992] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.604305][ T992] RSP: 0018:ffffc900006d7080 EFLAGS: 00010246 [ 109.604726][ T992] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 109.605221][ T992] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 109.605714][ T992] RBP: ffffc900006d7168 R08: 0000000000000000 R09: 0000000000000000 [ 109.606228][ T992] R10: ffffc900006d7198 R11: ffffffffacca8918 R12: 1ffff920000dae14 [ 109.606732][ T992] R13: 00000000000005dc R14: ffffc900006d7198 R15: ffff88800a68af08 [ 109.607244][ T992] FS: 00007f73fb666800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 109.607817][ T992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.608228][ T992] CR2: 00000000004a1738 CR3: 000000000c080004 CR4: 0000000000772ef0 [ 109.608721][ T992] PKRU: 55555554 [ 109.608986][ T992] Call Trace: [ 109.609236][ T992] [ 109.609423][ T992] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.609780][ T992] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.610117][ T992] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.610550][ T992] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.610893][ T992] netif_set_mtu (net/core/dev.c:9652) [ 109.611230][ T992] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.611570][ T992] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.612044][ T992] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.612299][ T992] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.612764][ T992] br_add_if (net/bridge/br_if.c:697) bridge [ 109.613150][ T992] do_set_master (net/core/rtnetlink.c:2948) [ 109.613490][ T992] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.613830][ T992] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.614180][ T992] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.614509][ T992] ? __dev_get_by_name (net/core/dev.c:865) [ 109.614849][ T992] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.615181][ T992] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.615532][ T992] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.615870][ T992] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.616203][ T992] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.616544][ T992] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.616898][ T992] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.617238][ T992] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.617583][ T992] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.617929][ T992] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.618260][ T992] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.618589][ T992] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.618934][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.619274][ T992] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.619608][ T992] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.619948][ T992] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.620303][ T992] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.620630][ T992] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.620996][ T992] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 109.621336][ T992] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 109.621675][ T992] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.622035][ T992] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 109.622376][ T992] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 109.622704][ T992] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 109.623054][ T992] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 109.623389][ T992] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 109.623716][ T992] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 109.624150][ T992] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 109.624489][ T992] ___sys_sendmsg (net/socket.c:2670) [ 109.624829][ T992] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 109.625161][ T992] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 109.625491][ T992] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.625827][ T992] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 109.626175][ T992] ? __handle_mm_fault (mm/memory.c:6212) [ 109.626506][ T992] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 109.626842][ T992] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 109.627193][ T992] __sys_sendmsg (net/socket.c:2700) [ 109.627520][ T992] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 109.627853][ T992] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 109.628192][ T992] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 109.628529][ T992] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 109.628870][ T992] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.629205][ T992] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 109.629610][ T992] RIP: 0033:0x7f73fb8331e7 [ 109.629956][ T992] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 109.631132][ T992] RSP: 002b:00007ffd220f5ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.631632][ T992] RAX: ffffffffffffffda RBX: 00007ffd220f6410 RCX: 00007f73fb8331e7 [ 109.632128][ T992] RDX: 0000000000000000 RSI: 00007ffd220f5d50 RDI: 0000000000000005 [ 109.632615][ T992] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 109.633115][ T992] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd220f6448 [ 109.633604][ T992] R13: 00000000686e420c R14: 0000000000499600 R15: 0000000000000000 | [ 109.762091][ T993] ------------[ cut here ]------------ | [ 109.762430][ T993] WARNING: CPU: 2 PID: 993 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 109.763081][ T993] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 109.764266][ T993] Tainted: [W]=WARN [ 109.764519][ T993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.764943][ T993] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.765283][ T993] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.766447][ T993] RSP: 0018:ffffc900006f7080 EFLAGS: 00010246 [ 109.766875][ T993] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 109.767369][ T993] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 109.767858][ T993] RBP: ffffc900006f7168 R08: 0000000000000000 R09: 0000000000000000 [ 109.768340][ T993] R10: ffffc900006f7198 R11: ffffffffacca8918 R12: 1ffff920000dee14 [ 109.768834][ T993] R13: 00000000000005dc R14: ffffc900006f7198 R15: ffff88800a68af08 [ 109.769325][ T993] FS: 00007f10e6324800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 109.769907][ T993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.770331][ T993] CR2: 00007f4efce18840 CR3: 000000000c080002 CR4: 0000000000772ef0 [ 109.770841][ T993] PKRU: 55555554 [ 109.771098][ T993] Call Trace: [ 109.771349][ T993] [ 109.771548][ T993] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.771901][ T993] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.772233][ T993] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.772640][ T993] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.772981][ T993] netif_set_mtu (net/core/dev.c:9652) [ 109.773316][ T993] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.773655][ T993] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.774140][ T993] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.774394][ T993] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.774849][ T993] br_add_if (net/bridge/br_if.c:697) bridge [ 109.775234][ T993] do_set_master (net/core/rtnetlink.c:2948) [ 109.775578][ T993] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.775926][ T993] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.776292][ T993] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.776638][ T993] ? __dev_get_by_name (net/core/dev.c:865) [ 109.776985][ T993] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.777324][ T993] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.777664][ T993] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.778002][ T993] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.778347][ T993] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.778691][ T993] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.779043][ T993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.779391][ T993] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.779718][ T993] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.780056][ T993] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.780401][ T993] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.780730][ T993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.781075][ T993] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.781410][ T993] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.781743][ T993] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.782089][ T993] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.782430][ T993] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.782756][ T993] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.783097][ T993] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 109.783433][ T993] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 109.783762][ T993] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.784108][ T993] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 109.784443][ T993] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 109.784780][ T993] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 109.785122][ T993] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 109.785454][ T993] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 109.785792][ T993] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 109.786201][ T993] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 109.786539][ T993] ___sys_sendmsg (net/socket.c:2670) [ 109.786876][ T993] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 109.787204][ T993] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 109.787541][ T993] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.787888][ T993] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 109.788218][ T993] ? __handle_mm_fault (mm/memory.c:6212) [ 109.788547][ T993] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 109.788882][ T993] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 109.789229][ T993] __sys_sendmsg (net/socket.c:2700) [ 109.789559][ T993] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 109.789898][ T993] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 109.790242][ T993] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 109.790585][ T993] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 109.790930][ T993] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.791267][ T993] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 109.791678][ T993] RIP: 0033:0x7f10e64f11e7 [ 109.792053][ T993] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 109.793240][ T993] RSP: 002b:00007ffc8e24ce88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.793748][ T993] RAX: ffffffffffffffda RBX: 00007ffc8e24d5b0 RCX: 00007f10e64f11e7 [ 109.794276][ T993] RDX: 0000000000000000 RSI: 00007ffc8e24cef0 RDI: 0000000000000005 [ 109.794764][ T993] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 109.795259][ T993] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8e24d5e8 [ 109.795747][ T993] R13: 00000000686e420c R14: 0000000000499600 R15: 0000000000000000 | [ 109.951261][ T995] ------------[ cut here ]------------ | [ 109.951628][ T995] WARNING: CPU: 2 PID: 995 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 109.952443][ T995] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 109.953702][ T995] Tainted: [W]=WARN [ 109.953977][ T995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.954407][ T995] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 109.954777][ T995] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 109.956005][ T995] RSP: 0018:ffffc90000717080 EFLAGS: 00010246 [ 109.956442][ T995] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 109.956990][ T995] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 109.957507][ T995] RBP: ffffc90000717168 R08: 0000000000000000 R09: 0000000000000000 [ 109.958028][ T995] R10: ffffc90000717198 R11: ffffffffacca8918 R12: 1ffff920000e2e14 [ 109.958537][ T995] R13: 00000000000005dc R14: ffffc90000717198 R15: ffff88800a68af08 [ 109.959062][ T995] FS: 00007fc58b5fa800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 109.959655][ T995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.960110][ T995] CR2: 00000000004a1738 CR3: 000000000c080005 CR4: 0000000000772ef0 [ 109.960643][ T995] PKRU: 55555554 [ 109.960931][ T995] Call Trace: [ 109.961211][ T995] [ 109.961399][ T995] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 109.961757][ T995] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 109.962118][ T995] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 109.962552][ T995] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 109.962920][ T995] netif_set_mtu (net/core/dev.c:9652) [ 109.963270][ T995] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 109.963633][ T995] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 109.964122][ T995] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 109.964386][ T995] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 109.964882][ T995] br_add_if (net/bridge/br_if.c:697) bridge [ 109.965279][ T995] do_set_master (net/core/rtnetlink.c:2948) [ 109.965614][ T995] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 109.965965][ T995] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 109.966301][ T995] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 109.966629][ T995] ? __dev_get_by_name (net/core/dev.c:865) [ 109.966969][ T995] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.967309][ T995] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 109.967657][ T995] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 109.967993][ T995] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.968341][ T995] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 109.968696][ T995] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 109.969042][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.969388][ T995] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 109.969716][ T995] ? __lock_release (kernel/locking/lockdep.c:5539) [ 109.970064][ T995] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 109.970410][ T995] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 109.970745][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.971094][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.971446][ T995] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 109.971785][ T995] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 109.972124][ T995] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 109.972469][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 109.972819][ T995] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 109.973156][ T995] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 109.973494][ T995] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 109.973844][ T995] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 109.974187][ T995] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 109.974538][ T995] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 109.974890][ T995] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 109.975246][ T995] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 109.975591][ T995] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 109.975930][ T995] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 109.976347][ T995] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 109.976685][ T995] ___sys_sendmsg (net/socket.c:2670) [ 109.977028][ T995] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 109.977373][ T995] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 109.977720][ T995] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 109.978066][ T995] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 109.978426][ T995] ? __handle_mm_fault (mm/memory.c:6212) [ 109.978766][ T995] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 109.979115][ T995] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 109.979481][ T995] __sys_sendmsg (net/socket.c:2700) [ 109.979826][ T995] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 109.980154][ T995] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 109.980523][ T995] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 109.980866][ T995] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 109.981209][ T995] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 109.981536][ T995] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 109.981950][ T995] RIP: 0033:0x7fc58b7c71e7 [ 109.982310][ T995] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 109.983477][ T995] RSP: 002b:00007ffd67562b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.983982][ T995] RAX: ffffffffffffffda RBX: 00007ffd67563230 RCX: 00007fc58b7c71e7 [ 109.984486][ T995] RDX: 0000000000000000 RSI: 00007ffd67562b70 RDI: 0000000000000005 [ 109.984983][ T995] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 109.985469][ T995] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd67563268 [ 109.985961][ T995] R13: 00000000686e420c R14: 0000000000499600 R15: 0000000000000000 | [ 110.164607][ T997] ------------[ cut here ]------------ | [ 110.165019][ T997] WARNING: CPU: 0 PID: 997 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 110.165645][ T997] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 110.166859][ T997] Tainted: [W]=WARN [ 110.167102][ T997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 110.167520][ T997] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 110.167872][ T997] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 110.169078][ T997] RSP: 0018:ffffc90000647080 EFLAGS: 00010246 [ 110.169496][ T997] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 110.169989][ T997] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 110.170483][ T997] RBP: ffffc90000647168 R08: 0000000000000000 R09: 0000000000000000 [ 110.170973][ T997] R10: ffffc90000647198 R11: ffffffffacca8918 R12: 1ffff920000c8e14 [ 110.171469][ T997] R13: 00000000000005dc R14: ffffc90000647198 R15: ffff88800a68af08 [ 110.172102][ T997] FS: 00007f95a025c800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 110.172686][ T997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.173185][ T997] CR2: 00000000004a1738 CR3: 000000000e03c002 CR4: 0000000000772ef0 [ 110.173685][ T997] PKRU: 55555554 [ 110.173945][ T997] Call Trace: [ 110.174188][ T997] [ 110.174355][ T997] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 110.174683][ T997] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 110.175011][ T997] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 110.175410][ T997] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 110.175731][ T997] netif_set_mtu (net/core/dev.c:9652) [ 110.176065][ T997] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 110.176400][ T997] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 110.176864][ T997] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 110.177109][ T997] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 110.177548][ T997] br_add_if (net/bridge/br_if.c:697) bridge [ 110.177928][ T997] do_set_master (net/core/rtnetlink.c:2948) [ 110.178254][ T997] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 110.178578][ T997] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 110.178906][ T997] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 110.179220][ T997] ? __dev_get_by_name (net/core/dev.c:865) [ 110.179553][ T997] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.179885][ T997] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.180210][ T997] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 110.180556][ T997] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.180892][ T997] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 110.181223][ T997] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 110.181547][ T997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.181886][ T997] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 110.182206][ T997] ? __lock_release (kernel/locking/lockdep.c:5539) [ 110.182544][ T997] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.182879][ T997] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 110.183201][ T997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.183523][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.183853][ T997] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 110.184181][ T997] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.184504][ T997] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 110.184861][ T997] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 110.185192][ T997] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 110.185513][ T997] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 110.185843][ T997] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 110.186170][ T997] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.186510][ T997] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 110.186837][ T997] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 110.187158][ T997] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 110.187490][ T997] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 110.187821][ T997] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 110.188138][ T997] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 110.188539][ T997] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 110.188871][ T997] ___sys_sendmsg (net/socket.c:2670) [ 110.189193][ T997] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 110.189508][ T997] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 110.189837][ T997] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.190158][ T997] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 110.190514][ T997] ? __handle_mm_fault (mm/memory.c:6212) [ 110.190841][ T997] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 110.191154][ T997] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 110.191484][ T997] __sys_sendmsg (net/socket.c:2700) [ 110.191812][ T997] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 110.192127][ T997] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 110.192454][ T997] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 110.192792][ T997] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 110.193120][ T997] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 110.193460][ T997] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 110.193863][ T997] RIP: 0033:0x7f95a04291e7 [ 110.194193][ T997] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 110.195320][ T997] RSP: 002b:00007ffd246db108 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.195805][ T997] RAX: ffffffffffffffda RBX: 00007ffd246db830 RCX: 00007f95a04291e7 [ 110.196289][ T997] RDX: 0000000000000000 RSI: 00007ffd246db170 RDI: 0000000000000005 [ 110.196754][ T997] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 110.197226][ T997] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd246db868 [ 110.197691][ T997] R13: 00000000686e420c R14: 0000000000499600 R15: 0000000000000000 | [ 110.338276][ T999] ------------[ cut here ]------------ | [ 110.338626][ T999] WARNING: CPU: 2 PID: 999 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 110.339380][ T999] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 110.340583][ T999] Tainted: [W]=WARN [ 110.340874][ T999] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 110.341305][ T999] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 110.341658][ T999] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 110.342901][ T999] RSP: 0018:ffffc90000607080 EFLAGS: 00010246 [ 110.343343][ T999] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 110.343893][ T999] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 110.344411][ T999] RBP: ffffc90000607168 R08: 0000000000000000 R09: 0000000000000000 [ 110.344936][ T999] R10: ffffc90000607198 R11: ffffffffacca8918 R12: 1ffff920000c0e14 [ 110.345456][ T999] R13: 00000000000005dc R14: ffffc90000607198 R15: ffff88800a68af08 [ 110.345979][ T999] FS: 00007f9ed3755800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 110.346573][ T999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.347012][ T999] CR2: 00007f9ed39695c0 CR3: 000000000bac7001 CR4: 0000000000772ef0 [ 110.347526][ T999] PKRU: 55555554 [ 110.347797][ T999] Call Trace: [ 110.348062][ T999] [ 110.348250][ T999] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 110.348601][ T999] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 110.348946][ T999] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 110.349354][ T999] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 110.349688][ T999] netif_set_mtu (net/core/dev.c:9652) [ 110.350030][ T999] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 110.350386][ T999] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 110.350862][ T999] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 110.351122][ T999] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 110.351568][ T999] br_add_if (net/bridge/br_if.c:697) bridge [ 110.351958][ T999] do_set_master (net/core/rtnetlink.c:2948) [ 110.352287][ T999] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 110.352621][ T999] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 110.352969][ T999] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 110.353310][ T999] ? __dev_get_by_name (net/core/dev.c:865) [ 110.353640][ T999] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.353978][ T999] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.354325][ T999] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 110.354659][ T999] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.355006][ T999] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 110.355359][ T999] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 110.355693][ T999] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.356045][ T999] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 110.356371][ T999] ? __lock_release (kernel/locking/lockdep.c:5539) [ 110.356716][ T999] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.357055][ T999] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 110.357391][ T999] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.357723][ T999] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.358070][ T999] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 110.358413][ T999] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.358748][ T999] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 110.359097][ T999] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 110.359438][ T999] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 110.359768][ T999] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 110.360115][ T999] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 110.360473][ T999] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.360834][ T999] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 110.361172][ T999] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 110.361515][ T999] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 110.361868][ T999] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 110.362212][ T999] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 110.362557][ T999] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 110.362997][ T999] ___sys_sendmsg (net/socket.c:2670) [ 110.363345][ T999] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 110.363701][ T999] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 110.364063][ T999] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 110.364412][ T999] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 110.364762][ T999] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.365111][ T999] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 110.365456][ T999] __sys_sendmsg (net/socket.c:2700) [ 110.365794][ T999] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 110.366136][ T999] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 110.366476][ T999] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 110.366844][ T999] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 110.367259][ T999] RIP: 0033:0x7f9ed39221e7 [ 110.367608][ T999] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 110.368790][ T999] RSP: 002b:00007fffc7e32a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.369293][ T999] RAX: ffffffffffffffda RBX: 00007fffc7e331b0 RCX: 00007f9ed39221e7 [ 110.369788][ T999] RDX: 0000000000000000 RSI: 00007fffc7e32af0 RDI: 0000000000000005 [ 110.370288][ T999] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 110.370779][ T999] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffc7e331e8 [ 110.371284][ T999] R13: 00000000686e420d R14: 0000000000499600 R15: 0000000000000000 | [ 110.740066][ T1005] ------------[ cut here ]------------ | [ 110.740432][ T1005] WARNING: CPU: 3 PID: 1005 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 110.741118][ T1005] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 110.742990][ T1005] Tainted: [W]=WARN [ 110.743248][ T1005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 110.743666][ T1005] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 110.744019][ T1005] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 110.745214][ T1005] RSP: 0018:ffffc900005b7080 EFLAGS: 00010246 [ 110.745645][ T1005] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 110.746154][ T1005] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 110.746652][ T1005] RBP: ffffc900005b7168 R08: 0000000000000000 R09: 0000000000000000 [ 110.747162][ T1005] R10: ffffc900005b7198 R11: ffffffffacca8918 R12: 1ffff920000b6e14 [ 110.747660][ T1005] R13: 00000000000005dc R14: ffffc900005b7198 R15: ffff888009a8af08 [ 110.748163][ T1005] FS: 00007fe2bb3e1800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 110.748745][ T1005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.749198][ T1005] CR2: 00000000004a1738 CR3: 0000000009a15003 CR4: 0000000000772ef0 [ 110.749710][ T1005] PKRU: 55555554 [ 110.749966][ T1005] Call Trace: [ 110.750220][ T1005] [ 110.750404][ T1005] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 110.750751][ T1005] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 110.751096][ T1005] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 110.751518][ T1005] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 110.751862][ T1005] netif_set_mtu (net/core/dev.c:9652) [ 110.752206][ T1005] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 110.752560][ T1005] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 110.753041][ T1005] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 110.753303][ T1005] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 110.753762][ T1005] br_add_if (net/bridge/br_if.c:697) bridge [ 110.754159][ T1005] do_set_master (net/core/rtnetlink.c:2948) [ 110.754501][ T1005] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 110.754850][ T1005] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 110.755191][ T1005] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 110.755518][ T1005] ? __dev_get_by_name (net/core/dev.c:865) [ 110.755862][ T1005] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.756207][ T1005] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.756557][ T1005] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 110.756894][ T1005] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.757227][ T1005] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 110.757573][ T1005] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 110.757925][ T1005] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.758272][ T1005] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 110.758608][ T1005] ? __lock_release (kernel/locking/lockdep.c:5539) [ 110.758951][ T1005] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.759283][ T1005] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 110.759620][ T1005] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.759968][ T1005] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.760315][ T1005] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 110.760653][ T1005] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.761001][ T1005] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 110.761348][ T1005] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 110.761685][ T1005] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 110.762032][ T1005] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 110.762368][ T1005] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 110.762699][ T1005] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.763050][ T1005] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 110.763391][ T1005] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 110.763726][ T1005] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 110.764079][ T1005] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 110.764426][ T1005] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 110.764775][ T1005] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 110.765204][ T1005] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 110.765546][ T1005] ___sys_sendmsg (net/socket.c:2670) [ 110.765888][ T1005] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 110.766219][ T1005] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 110.766541][ T1005] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.766875][ T1005] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 110.767200][ T1005] ? __handle_mm_fault (mm/memory.c:6212) [ 110.767515][ T1005] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 110.767842][ T1005] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 110.768185][ T1005] __sys_sendmsg (net/socket.c:2700) [ 110.768500][ T1005] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 110.768825][ T1005] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 110.769152][ T1005] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 110.769469][ T1005] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 110.769797][ T1005] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 110.770116][ T1005] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 110.770528][ T1005] RIP: 0033:0x7fe2bb5ae1e7 [ 110.770871][ T1005] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 110.772043][ T1005] RSP: 002b:00007ffdf5c1b248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.772530][ T1005] RAX: ffffffffffffffda RBX: 00007ffdf5c1b970 RCX: 00007fe2bb5ae1e7 [ 110.773022][ T1005] RDX: 0000000000000000 RSI: 00007ffdf5c1b2b0 RDI: 0000000000000005 [ 110.773503][ T1005] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 110.773986][ T1005] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf5c1b9a8 [ 110.774484][ T1005] R13: 00000000686e420d R14: 0000000000499600 R15: 0000000000000000 | [ 110.931425][ T1006] ------------[ cut here ]------------ | [ 110.931867][ T1006] WARNING: CPU: 3 PID: 1006 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 110.932610][ T1006] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 110.934020][ T1006] Tainted: [W]=WARN [ 110.934275][ T1006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 110.934684][ T1006] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 110.935186][ T1006] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 110.936506][ T1006] RSP: 0018:ffffc900005b7080 EFLAGS: 00010246 [ 110.936929][ T1006] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 110.937668][ T1006] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 110.938412][ T1006] RBP: ffffc900005b7168 R08: 0000000000000000 R09: 0000000000000000 [ 110.938992][ T1006] R10: ffffc900005b7198 R11: ffffffffacca8918 R12: 1ffff920000b6e14 [ 110.939563][ T1006] R13: 00000000000005dc R14: ffffc900005b7198 R15: ffff888009a8af08 [ 110.940139][ T1006] FS: 00007f7b5ddc9800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 110.940778][ T1006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 110.941195][ T1006] CR2: 00000000004a1738 CR3: 000000000bb07006 CR4: 0000000000772ef0 [ 110.941668][ T1006] PKRU: 55555554 [ 110.941916][ T1006] Call Trace: [ 110.942163][ T1006] [ 110.942331][ T1006] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 110.942667][ T1006] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 110.943019][ T1006] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 110.943416][ T1006] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 110.943732][ T1006] netif_set_mtu (net/core/dev.c:9652) [ 110.944054][ T1006] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 110.944382][ T1006] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 110.944837][ T1006] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 110.945074][ T1006] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 110.945537][ T1006] br_add_if (net/bridge/br_if.c:697) bridge [ 110.945919][ T1006] do_set_master (net/core/rtnetlink.c:2948) [ 110.946248][ T1006] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 110.946572][ T1006] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 110.946908][ T1006] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 110.947220][ T1006] ? __dev_get_by_name (net/core/dev.c:865) [ 110.947539][ T1006] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.947867][ T1006] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 110.948197][ T1006] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 110.948513][ T1006] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.948876][ T1006] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 110.949223][ T1006] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 110.949551][ T1006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.949891][ T1006] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 110.950204][ T1006] ? __lock_release (kernel/locking/lockdep.c:5539) [ 110.950546][ T1006] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 110.950882][ T1006] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 110.951202][ T1006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.951539][ T1006] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.951889][ T1006] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 110.952220][ T1006] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 110.952537][ T1006] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 110.952879][ T1006] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 110.953194][ T1006] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 110.953510][ T1006] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 110.953847][ T1006] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 110.954165][ T1006] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 110.954483][ T1006] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 110.954813][ T1006] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 110.955148][ T1006] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 110.955484][ T1006] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 110.955831][ T1006] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 110.956150][ T1006] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 110.956551][ T1006] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 110.956888][ T1006] ___sys_sendmsg (net/socket.c:2670) [ 110.957210][ T1006] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 110.957530][ T1006] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 110.957863][ T1006] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 110.958182][ T1006] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 110.958504][ T1006] ? __handle_mm_fault (mm/memory.c:6212) [ 110.958840][ T1006] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 110.959165][ T1006] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 110.959516][ T1006] __sys_sendmsg (net/socket.c:2700) [ 110.959858][ T1006] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 110.960178][ T1006] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 110.960509][ T1006] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 110.960847][ T1006] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 110.961167][ T1006] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 110.961485][ T1006] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 110.961888][ T1006] RIP: 0033:0x7f7b5df961e7 [ 110.962231][ T1006] Code: Unable to access opcode bytes at 0x7f7b5df961bd. Code starting with the faulting instruction =========================================== [ 110.962646][ T1006] RSP: 002b:00007ffddb4441a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.963149][ T1006] RAX: ffffffffffffffda RBX: 00007ffddb4448d0 RCX: 00007f7b5df961e7 [ 110.963624][ T1006] RDX: 0000000000000000 RSI: 00007ffddb444210 RDI: 0000000000000005 [ 110.964123][ T1006] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 110.964609][ T1006] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffddb444908 [ 110.965106][ T1006] R13: 00000000686e420d R14: 0000000000499600 R15: 0000000000000000 | [ 111.125386][ T1009] ------------[ cut here ]------------ | [ 111.125708][ T1009] WARNING: CPU: 0 PID: 1009 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 111.126381][ T1009] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 111.127567][ T1009] Tainted: [W]=WARN [ 111.127819][ T1009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.128217][ T1009] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 111.128549][ T1009] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 111.129678][ T1009] RSP: 0018:ffffc900007d7080 EFLAGS: 00010246 [ 111.130087][ T1009] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 111.130580][ T1009] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 111.131069][ T1009] RBP: ffffc900007d7168 R08: 0000000000000000 R09: 0000000000000000 [ 111.131547][ T1009] R10: ffffc900007d7198 R11: ffffffffacca8918 R12: 1ffff920000fae14 [ 111.132031][ T1009] R13: 00000000000005dc R14: ffffc900007d7198 R15: ffff888009a8af08 [ 111.132505][ T1009] FS: 00007fb661788800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 111.133065][ T1009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.133467][ T1009] CR2: 00000000004a1738 CR3: 000000000c235002 CR4: 0000000000772ef0 [ 111.133953][ T1009] PKRU: 55555554 [ 111.134189][ T1009] Call Trace: [ 111.134429][ T1009] [ 111.134595][ T1009] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 111.134924][ T1009] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 111.135249][ T1009] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 111.135665][ T1009] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 111.136027][ T1009] netif_set_mtu (net/core/dev.c:9652) [ 111.136363][ T1009] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 111.136706][ T1009] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 111.137187][ T1009] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 111.137441][ T1009] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 111.137903][ T1009] br_add_if (net/bridge/br_if.c:697) bridge [ 111.138288][ T1009] do_set_master (net/core/rtnetlink.c:2948) [ 111.138626][ T1009] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 111.138982][ T1009] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 111.139325][ T1009] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 111.139653][ T1009] ? __dev_get_by_name (net/core/dev.c:865) [ 111.139993][ T1009] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.140340][ T1009] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.140682][ T1009] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 111.141022][ T1009] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.141362][ T1009] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 111.141708][ T1009] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 111.142051][ T1009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.142399][ T1009] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 111.142726][ T1009] ? __lock_release (kernel/locking/lockdep.c:5539) [ 111.143071][ T1009] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.143404][ T1009] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 111.143737][ T1009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.144082][ T1009] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.144424][ T1009] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 111.144761][ T1009] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.145100][ T1009] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 111.145445][ T1009] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 111.145786][ T1009] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 111.146122][ T1009] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 111.146462][ T1009] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 111.146804][ T1009] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.147145][ T1009] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 111.147483][ T1009] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 111.147822][ T1009] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 111.148162][ T1009] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 111.148498][ T1009] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 111.148833][ T1009] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 111.149258][ T1009] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 111.149597][ T1009] ___sys_sendmsg (net/socket.c:2670) [ 111.149943][ T1009] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 111.150275][ T1009] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 111.150607][ T1009] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.150941][ T1009] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 111.151280][ T1009] ? __handle_mm_fault (mm/memory.c:6212) [ 111.151611][ T1009] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 111.151946][ T1009] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 111.152505][ T1009] __sys_sendmsg (net/socket.c:2700) [ 111.152849][ T1009] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 111.153174][ T1009] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 111.153518][ T1009] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 111.153857][ T1009] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 111.154197][ T1009] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 111.154569][ T1009] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 111.154989][ T1009] RIP: 0033:0x7fb6619551e7 [ 111.155331][ T1009] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 111.156512][ T1009] RSP: 002b:00007ffdeba70748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.157047][ T1009] RAX: ffffffffffffffda RBX: 00007ffdeba70e70 RCX: 00007fb6619551e7 [ 111.157549][ T1009] RDX: 0000000000000000 RSI: 00007ffdeba707b0 RDI: 0000000000000005 [ 111.158074][ T1009] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 111.158569][ T1009] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdeba70ea8 [ 111.159073][ T1009] R13: 00000000686e420d R14: 0000000000499600 R15: 0000000000000000 | [ 111.330291][ T1010] ------------[ cut here ]------------ | [ 111.330635][ T1010] WARNING: CPU: 2 PID: 1010 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 111.331725][ T1010] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 111.332917][ T1010] Tainted: [W]=WARN [ 111.333199][ T1010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.333619][ T1010] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 111.333973][ T1010] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 111.335119][ T1010] RSP: 0018:ffffc900007e7080 EFLAGS: 00010246 [ 111.335531][ T1010] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 111.336033][ T1010] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 111.336528][ T1010] RBP: ffffc900007e7168 R08: 0000000000000000 R09: 0000000000000000 [ 111.337873][ T1010] R10: ffffc900007e7198 R11: ffffffffacca8918 R12: 1ffff920000fce14 [ 111.338377][ T1010] R13: 00000000000005dc R14: ffffc900007e7198 R15: ffff888009a8af08 [ 111.338903][ T1010] FS: 00007f053f784800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 111.339476][ T1010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.339894][ T1010] CR2: 00000000004a1738 CR3: 0000000004c67005 CR4: 0000000000772ef0 [ 111.340406][ T1010] PKRU: 55555554 [ 111.340656][ T1010] Call Trace: [ 111.340928][ T1010] [ 111.341115][ T1010] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 111.341457][ T1010] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 111.341802][ T1010] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 111.342211][ T1010] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 111.342542][ T1010] netif_set_mtu (net/core/dev.c:9652) [ 111.342881][ T1010] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 111.343219][ T1010] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 111.343687][ T1010] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 111.343948][ T1010] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 111.344397][ T1010] br_add_if (net/bridge/br_if.c:697) bridge [ 111.344783][ T1010] do_set_master (net/core/rtnetlink.c:2948) [ 111.345120][ T1010] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 111.345479][ T1010] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 111.345832][ T1010] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 111.346161][ T1010] ? __dev_get_by_name (net/core/dev.c:865) [ 111.346497][ T1010] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.346835][ T1010] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.347196][ T1010] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 111.347524][ T1010] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.347873][ T1010] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 111.348209][ T1010] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 111.348549][ T1010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.348899][ T1010] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 111.349234][ T1010] ? __lock_release (kernel/locking/lockdep.c:5539) [ 111.349563][ T1010] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.349897][ T1010] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 111.350226][ T1010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.350569][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.350942][ T1010] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 111.351276][ T1010] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.351606][ T1010] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 111.351964][ T1010] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 111.352292][ T1010] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 111.352621][ T1010] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 111.352965][ T1010] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 111.353294][ T1010] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.353633][ T1010] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 111.353975][ T1010] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 111.354315][ T1010] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 111.354649][ T1010] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 111.355000][ T1010] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 111.355327][ T1010] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 111.355740][ T1010] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 111.356085][ T1010] ___sys_sendmsg (net/socket.c:2670) [ 111.356418][ T1010] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 111.356761][ T1010] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 111.357102][ T1010] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.357431][ T1010] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 111.357766][ T1010] ? __handle_mm_fault (mm/memory.c:6212) [ 111.358115][ T1010] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 111.358453][ T1010] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 111.358818][ T1010] __sys_sendmsg (net/socket.c:2700) [ 111.359153][ T1010] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 111.359480][ T1010] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 111.359830][ T1010] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 111.360162][ T1010] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 111.360512][ T1010] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 111.360858][ T1010] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 111.361274][ T1010] RIP: 0033:0x7f053f9511e7 [ 111.361634][ T1010] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 111.362817][ T1010] RSP: 002b:00007ffd1ee83218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.363323][ T1010] RAX: ffffffffffffffda RBX: 00007ffd1ee83940 RCX: 00007f053f9511e7 [ 111.363822][ T1010] RDX: 0000000000000000 RSI: 00007ffd1ee83280 RDI: 0000000000000005 [ 111.364307][ T1010] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 111.364809][ T1010] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1ee83978 [ 111.365321][ T1010] R13: 00000000686e420e R14: 0000000000499600 R15: 0000000000000000 | [ 111.517599][ T1012] ------------[ cut here ]------------ | [ 111.517966][ T1012] WARNING: CPU: 2 PID: 1012 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 111.518621][ T1012] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 111.519819][ T1012] Tainted: [W]=WARN [ 111.520075][ T1012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.520513][ T1012] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 111.520866][ T1012] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 111.522033][ T1012] RSP: 0018:ffffc90000867080 EFLAGS: 00010246 [ 111.522448][ T1012] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 111.522959][ T1012] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 111.523480][ T1012] RBP: ffffc90000867168 R08: 0000000000000000 R09: 0000000000000000 [ 111.523988][ T1012] R10: ffffc90000867198 R11: ffffffffacca8918 R12: 1ffff9200010ce14 [ 111.524483][ T1012] R13: 00000000000005dc R14: ffffc90000867198 R15: ffff888009a8af08 [ 111.525005][ T1012] FS: 00007f0a37d70800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 111.525589][ T1012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.526023][ T1012] CR2: 00000000004a1738 CR3: 000000000ca3d001 CR4: 0000000000772ef0 [ 111.526541][ T1012] PKRU: 55555554 [ 111.526821][ T1012] Call Trace: [ 111.527074][ T1012] [ 111.527259][ T1012] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 111.527605][ T1012] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 111.527977][ T1012] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 111.528404][ T1012] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 111.528742][ T1012] netif_set_mtu (net/core/dev.c:9652) [ 111.529083][ T1012] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 111.529431][ T1012] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 111.529899][ T1012] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 111.530172][ T1012] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 111.530637][ T1012] br_add_if (net/bridge/br_if.c:697) bridge [ 111.531027][ T1012] do_set_master (net/core/rtnetlink.c:2948) [ 111.531367][ T1012] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 111.531709][ T1012] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 111.532051][ T1012] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 111.532378][ T1012] ? __dev_get_by_name (net/core/dev.c:865) [ 111.532709][ T1012] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.533058][ T1012] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.533400][ T1012] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 111.533743][ T1012] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.534093][ T1012] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 111.534433][ T1012] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 111.534777][ T1012] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.535123][ T1012] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 111.535455][ T1012] ? __lock_release (kernel/locking/lockdep.c:5539) [ 111.535812][ T1012] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.536148][ T1012] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 111.536491][ T1012] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.536847][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.537192][ T1012] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 111.537529][ T1012] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.537869][ T1012] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 111.538213][ T1012] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 111.538541][ T1012] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 111.538901][ T1012] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 111.539236][ T1012] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 111.539581][ T1012] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.539934][ T1012] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 111.540287][ T1012] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 111.540631][ T1012] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 111.540988][ T1012] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 111.541327][ T1012] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 111.541660][ T1012] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 111.542085][ T1012] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 111.542435][ T1012] ___sys_sendmsg (net/socket.c:2670) [ 111.542780][ T1012] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 111.543113][ T1012] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 111.543457][ T1012] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.543801][ T1012] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 111.544140][ T1012] ? __handle_mm_fault (mm/memory.c:6212) [ 111.544473][ T1012] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 111.544814][ T1012] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 111.545160][ T1012] __sys_sendmsg (net/socket.c:2700) [ 111.545485][ T1012] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 111.545820][ T1012] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 111.546165][ T1012] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 111.546499][ T1012] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 111.546852][ T1012] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 111.547407][ T1012] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 111.548132][ T1012] RIP: 0033:0x7f0a37f3d1e7 [ 111.548742][ T1012] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 111.550830][ T1012] RSP: 002b:00007ffd5e433fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.551768][ T1012] RAX: ffffffffffffffda RBX: 00007ffd5e4346f0 RCX: 00007f0a37f3d1e7 [ 111.552668][ T1012] RDX: 0000000000000000 RSI: 00007ffd5e434030 RDI: 0000000000000005 [ 111.553571][ T1012] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 111.554469][ T1012] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5e434728 [ 111.555370][ T1012] R13: 00000000686e420e R14: 0000000000499600 R15: 0000000000000000 | [ 111.777366][ T1014] ------------[ cut here ]------------ | [ 111.777716][ T1014] WARNING: CPU: 2 PID: 1014 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 111.778389][ T1014] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 111.780368][ T1014] Tainted: [W]=WARN [ 111.780628][ T1014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.781090][ T1014] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 111.781463][ T1014] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 111.782662][ T1014] RSP: 0018:ffffc90000867080 EFLAGS: 00010246 [ 111.783117][ T1014] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 111.783614][ T1014] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 111.784119][ T1014] RBP: ffffc90000867168 R08: 0000000000000000 R09: 0000000000000000 [ 111.784610][ T1014] R10: ffffc90000867198 R11: ffffffffacca8918 R12: 1ffff9200010ce14 [ 111.785107][ T1014] R13: 00000000000005dc R14: ffffc90000867198 R15: ffff888009a8af08 [ 111.785658][ T1014] FS: 00007f4697244800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 111.786299][ T1014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.786729][ T1014] CR2: 00000000004a1738 CR3: 000000000ca3d005 CR4: 0000000000772ef0 [ 111.787242][ T1014] PKRU: 55555554 [ 111.787491][ T1014] Call Trace: [ 111.787755][ T1014] [ 111.787945][ T1014] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 111.788298][ T1014] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 111.788640][ T1014] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 111.789062][ T1014] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 111.789431][ T1014] netif_set_mtu (net/core/dev.c:9652) [ 111.789797][ T1014] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 111.790175][ T1014] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 111.790683][ T1014] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 111.790974][ T1014] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 111.791458][ T1014] br_add_if (net/bridge/br_if.c:697) bridge [ 111.791883][ T1014] do_set_master (net/core/rtnetlink.c:2948) [ 111.792235][ T1014] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 111.792591][ T1014] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 111.792945][ T1014] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 111.793297][ T1014] ? __dev_get_by_name (net/core/dev.c:865) [ 111.793662][ T1014] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.794022][ T1014] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.794393][ T1014] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 111.794737][ T1014] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.795106][ T1014] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 111.795488][ T1014] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 111.795859][ T1014] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.796221][ T1014] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 111.796576][ T1014] ? __lock_release (kernel/locking/lockdep.c:5539) [ 111.796933][ T1014] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.797276][ T1014] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 111.797654][ T1014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.798023][ T1014] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.798399][ T1014] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 111.798754][ T1014] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.799127][ T1014] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 111.799482][ T1014] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 111.799841][ T1014] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 111.800212][ T1014] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 111.800588][ T1014] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 111.800945][ T1014] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.801329][ T1014] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 111.801693][ T1014] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 111.802063][ T1014] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 111.802421][ T1014] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 111.802780][ T1014] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 111.803131][ T1014] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 111.803569][ T1014] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 111.803945][ T1014] ___sys_sendmsg (net/socket.c:2670) [ 111.804304][ T1014] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 111.804679][ T1014] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 111.805061][ T1014] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.805433][ T1014] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 111.805837][ T1014] ? __handle_mm_fault (mm/memory.c:6212) [ 111.806201][ T1014] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 111.806557][ T1014] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 111.807020][ T1014] __sys_sendmsg (net/socket.c:2700) [ 111.807370][ T1014] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 111.807706][ T1014] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 111.808079][ T1014] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 111.808430][ T1014] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 111.808798][ T1014] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 111.809148][ T1014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 111.809562][ T1014] RIP: 0033:0x7f46974111e7 [ 111.809920][ T1014] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 111.811199][ T1014] RSP: 002b:00007ffc6e48e258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.811734][ T1014] RAX: ffffffffffffffda RBX: 00007ffc6e48e980 RCX: 00007f46974111e7 [ 111.812274][ T1014] RDX: 0000000000000000 RSI: 00007ffc6e48e2c0 RDI: 0000000000000005 [ 111.812803][ T1014] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 111.813328][ T1014] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6e48e9b8 [ 111.813886][ T1014] R13: 00000000686e420e R14: 0000000000499600 R15: 0000000000000000 | [ 111.969986][ T1017] ------------[ cut here ]------------ | [ 111.970340][ T1017] WARNING: CPU: 3 PID: 1017 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 111.970993][ T1017] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 111.972189][ T1017] Tainted: [W]=WARN [ 111.972433][ T1017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.972849][ T1017] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 111.973182][ T1017] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 111.974389][ T1017] RSP: 0018:ffffc90000877080 EFLAGS: 00010246 [ 111.974830][ T1017] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 111.975335][ T1017] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 111.975857][ T1017] RBP: ffffc90000877168 R08: 0000000000000000 R09: 0000000000000000 [ 111.976366][ T1017] R10: ffffc90000877198 R11: ffffffffacca8918 R12: 1ffff9200010ee14 [ 111.976877][ T1017] R13: 00000000000005dc R14: ffffc90000877198 R15: ffff888009a8af08 [ 111.977400][ T1017] FS: 00007f83beb84800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 111.977996][ T1017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.978430][ T1017] CR2: 00007f4efcb01120 CR3: 000000000cb35005 CR4: 0000000000772ef0 [ 111.978951][ T1017] PKRU: 55555554 [ 111.979207][ T1017] Call Trace: [ 111.979466][ T1017] [ 111.979645][ T1017] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 111.980007][ T1017] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 111.980374][ T1017] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 111.980801][ T1017] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 111.981140][ T1017] netif_set_mtu (net/core/dev.c:9652) [ 111.981483][ T1017] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 111.981855][ T1017] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 111.982360][ T1017] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 111.982604][ T1017] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 111.983053][ T1017] br_add_if (net/bridge/br_if.c:697) bridge [ 111.983434][ T1017] do_set_master (net/core/rtnetlink.c:2948) [ 111.983752][ T1017] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 111.984084][ T1017] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 111.984407][ T1017] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 111.984724][ T1017] ? __dev_get_by_name (net/core/dev.c:865) [ 111.985048][ T1017] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.985368][ T1017] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 111.985692][ T1017] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 111.986055][ T1017] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.986403][ T1017] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 111.986751][ T1017] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 111.987101][ T1017] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.987448][ T1017] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 111.987790][ T1017] ? __lock_release (kernel/locking/lockdep.c:5539) [ 111.988132][ T1017] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 111.988474][ T1017] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 111.988813][ T1017] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.989159][ T1017] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.989499][ T1017] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 111.989848][ T1017] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 111.990191][ T1017] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 111.990556][ T1017] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 111.990899][ T1017] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 111.991240][ T1017] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 111.991583][ T1017] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 111.991930][ T1017] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 111.992272][ T1017] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 111.992616][ T1017] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 111.992961][ T1017] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 111.993309][ T1017] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 111.993652][ T1017] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 111.993996][ T1017] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 111.994422][ T1017] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 111.994778][ T1017] ___sys_sendmsg (net/socket.c:2670) [ 111.995123][ T1017] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 111.995468][ T1017] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 111.995822][ T1017] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 111.996169][ T1017] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 111.996521][ T1017] ? __handle_mm_fault (mm/memory.c:6212) [ 111.996866][ T1017] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 111.997201][ T1017] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 111.997553][ T1017] __sys_sendmsg (net/socket.c:2700) [ 111.997894][ T1017] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 111.998231][ T1017] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 111.998578][ T1017] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 111.998930][ T1017] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 111.999270][ T1017] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 111.999612][ T1017] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.000042][ T1017] RIP: 0033:0x7f83bed511e7 [ 112.000396][ T1017] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 112.001596][ T1017] RSP: 002b:00007ffe2f9e3548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.002111][ T1017] RAX: ffffffffffffffda RBX: 00007ffe2f9e3c70 RCX: 00007f83bed511e7 [ 112.002616][ T1017] RDX: 0000000000000000 RSI: 00007ffe2f9e35b0 RDI: 0000000000000005 [ 112.003125][ T1017] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 112.003634][ T1017] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe2f9e3ca8 [ 112.004151][ T1017] R13: 00000000686e420e R14: 0000000000499600 R15: 0000000000000000 | [ 112.209100][ T1018] ------------[ cut here ]------------ | [ 112.209666][ T1018] WARNING: CPU: 3 PID: 1018 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 112.210841][ T1018] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 112.212944][ T1018] Tainted: [W]=WARN [ 112.213370][ T1018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.214081][ T1018] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 112.214663][ T1018] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 112.216764][ T1018] RSP: 0018:ffffc90000887080 EFLAGS: 00010246 [ 112.217537][ T1018] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 112.218438][ T1018] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 112.219337][ T1018] RBP: ffffc90000887168 R08: 0000000000000000 R09: 0000000000000000 [ 112.220217][ T1018] R10: ffffc90000887198 R11: ffffffffacca8918 R12: 1ffff92000110e14 [ 112.221118][ T1018] R13: 00000000000005dc R14: ffffc90000887198 R15: ffff888009a8af08 [ 112.222014][ T1018] FS: 00007fdfe4edd800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 112.223071][ T1018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.223838][ T1018] CR2: 00000000004a1738 CR3: 000000000cb35003 CR4: 0000000000772ef0 [ 112.224733][ T1018] PKRU: 55555554 [ 112.225194][ T1018] Call Trace: [ 112.225632][ T1018] [ 112.225946][ T1018] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 112.226540][ T1018] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 112.227139][ T1018] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 112.227860][ T1018] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 112.228448][ T1018] netif_set_mtu (net/core/dev.c:9652) [ 112.229051][ T1018] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 112.229665][ T1018] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 112.230403][ T1018] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 112.230654][ T1018] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 112.231106][ T1018] br_add_if (net/bridge/br_if.c:697) bridge [ 112.231474][ T1018] do_set_master (net/core/rtnetlink.c:2948) [ 112.231805][ T1018] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 112.232126][ T1018] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 112.232452][ T1018] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 112.232765][ T1018] ? __dev_get_by_name (net/core/dev.c:865) [ 112.233193][ T1018] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.233518][ T1018] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.233849][ T1018] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 112.234167][ T1018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.234489][ T1018] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 112.234823][ T1018] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 112.235183][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.235518][ T1018] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 112.235845][ T1018] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.236170][ T1018] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.236502][ T1018] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 112.236839][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.237176][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.237512][ T1018] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 112.237848][ T1018] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.238207][ T1018] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 112.238530][ T1018] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 112.238851][ T1018] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 112.239169][ T1018] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 112.239487][ T1018] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 112.239807][ T1018] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.240126][ T1018] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.240464][ T1018] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 112.240791][ T1018] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 112.241115][ T1018] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.241439][ T1018] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 112.241790][ T1018] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 112.242189][ T1018] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 112.242516][ T1018] ___sys_sendmsg (net/socket.c:2670) [ 112.242846][ T1018] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 112.243168][ T1018] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 112.243487][ T1018] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.243809][ T1018] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 112.244136][ T1018] ? __handle_mm_fault (mm/memory.c:6212) [ 112.244454][ T1018] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 112.244776][ T1018] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 112.245120][ T1018] __sys_sendmsg (net/socket.c:2700) [ 112.245436][ T1018] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 112.245752][ T1018] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 112.246090][ T1018] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 112.246409][ T1018] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.246732][ T1018] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 112.247059][ T1018] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.247467][ T1018] RIP: 0033:0x7fdfe50aa1e7 [ 112.247801][ T1018] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 112.248944][ T1018] RSP: 002b:00007ffffd8fac48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.249428][ T1018] RAX: ffffffffffffffda RBX: 00007ffffd8fb370 RCX: 00007fdfe50aa1e7 [ 112.249914][ T1018] RDX: 0000000000000000 RSI: 00007ffffd8facb0 RDI: 0000000000000005 [ 112.250432][ T1018] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 112.250916][ T1018] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffffd8fb3a8 [ 112.251399][ T1018] R13: 00000000686e420f R14: 0000000000499600 R15: 0000000000000000 | [ 112.431071][ T1021] ------------[ cut here ]------------ | [ 112.431418][ T1021] WARNING: CPU: 2 PID: 1021 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 112.432103][ T1021] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 112.433293][ T1021] Tainted: [W]=WARN [ 112.433546][ T1021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.433967][ T1021] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 112.434311][ T1021] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 112.435474][ T1021] RSP: 0018:ffffc90000607080 EFLAGS: 00010246 [ 112.435905][ T1021] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 112.436393][ T1021] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 112.436888][ T1021] RBP: ffffc90000607168 R08: 0000000000000000 R09: 0000000000000000 [ 112.437375][ T1021] R10: ffffc90000607198 R11: ffffffffacca8918 R12: 1ffff920000c0e14 [ 112.437879][ T1021] R13: 00000000000005dc R14: ffffc90000607198 R15: ffff888009a8af08 [ 112.438372][ T1021] FS: 00007fa4a9a66800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 112.439025][ T1021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.439461][ T1021] CR2: 00000000004a1738 CR3: 0000000004d5a006 CR4: 0000000000772ef0 [ 112.439991][ T1021] PKRU: 55555554 [ 112.440260][ T1021] Call Trace: [ 112.440556][ T1021] [ 112.440745][ T1021] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 112.441112][ T1021] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 112.441459][ T1021] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 112.441895][ T1021] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 112.442243][ T1021] netif_set_mtu (net/core/dev.c:9652) [ 112.442590][ T1021] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 112.442962][ T1021] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 112.443448][ T1021] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 112.443739][ T1021] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 112.444229][ T1021] br_add_if (net/bridge/br_if.c:697) bridge [ 112.444625][ T1021] do_set_master (net/core/rtnetlink.c:2948) [ 112.444990][ T1021] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 112.445340][ T1021] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 112.445703][ T1021] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 112.446093][ T1021] ? __dev_get_by_name (net/core/dev.c:865) [ 112.446455][ T1021] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.446829][ T1021] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.447204][ T1021] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 112.447557][ T1021] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.447926][ T1021] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 112.448297][ T1021] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 112.448679][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.449032][ T1021] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 112.449363][ T1021] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.449697][ T1021] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.450047][ T1021] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 112.450412][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.450777][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.451133][ T1021] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 112.451488][ T1021] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.451849][ T1021] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 112.452223][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 112.452578][ T1021] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 112.452955][ T1021] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 112.453317][ T1021] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 112.453676][ T1021] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.454047][ T1021] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.454401][ T1021] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 112.454777][ T1021] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 112.455140][ T1021] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.455507][ T1021] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 112.455872][ T1021] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 112.456310][ T1021] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 112.456669][ T1021] ___sys_sendmsg (net/socket.c:2670) [ 112.457039][ T1021] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 112.457391][ T1021] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 112.457754][ T1021] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.458113][ T1021] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 112.458472][ T1021] ? __handle_mm_fault (mm/memory.c:6212) [ 112.458834][ T1021] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 112.459184][ T1021] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 112.459549][ T1021] __sys_sendmsg (net/socket.c:2700) [ 112.459949][ T1021] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 112.460331][ T1021] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 112.460697][ T1021] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 112.461069][ T1021] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.461429][ T1021] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 112.461800][ T1021] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.462237][ T1021] RIP: 0033:0x7fa4a9c331e7 [ 112.462598][ T1021] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 112.463823][ T1021] RSP: 002b:00007ffec1ddb9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.464345][ T1021] RAX: ffffffffffffffda RBX: 00007ffec1ddc110 RCX: 00007fa4a9c331e7 [ 112.464888][ T1021] RDX: 0000000000000000 RSI: 00007ffec1ddba50 RDI: 0000000000000005 [ 112.465424][ T1021] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 112.465956][ T1021] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffec1ddc148 [ 112.466475][ T1021] R13: 00000000686e420f R14: 0000000000499600 R15: 0000000000000000 | [ 112.626616][ T1022] ------------[ cut here ]------------ | [ 112.627004][ T1022] WARNING: CPU: 2 PID: 1022 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 112.627652][ T1022] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 112.628863][ T1022] Tainted: [W]=WARN [ 112.629125][ T1022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.629545][ T1022] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 112.629898][ T1022] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 112.631068][ T1022] RSP: 0018:ffffc90000897080 EFLAGS: 00010246 [ 112.631486][ T1022] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 112.631980][ T1022] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 112.632471][ T1022] RBP: ffffc90000897168 R08: 0000000000000000 R09: 0000000000000000 [ 112.632971][ T1022] R10: ffffc90000897198 R11: ffffffffacca8918 R12: 1ffff92000112e14 [ 112.633477][ T1022] R13: 00000000000005dc R14: ffffc90000897198 R15: ffff888009a8af08 [ 112.633988][ T1022] FS: 00007f602caee800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 112.634561][ T1022] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.634998][ T1022] CR2: 00000000004a1738 CR3: 0000000004d5a002 CR4: 0000000000772ef0 [ 112.635514][ T1022] PKRU: 55555554 [ 112.635787][ T1022] Call Trace: [ 112.636052][ T1022] [ 112.636242][ T1022] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 112.636613][ T1022] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 112.636975][ T1022] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 112.637404][ T1022] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 112.637781][ T1022] netif_set_mtu (net/core/dev.c:9652) [ 112.638115][ T1022] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 112.638458][ T1022] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 112.638932][ T1022] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 112.639191][ T1022] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 112.639650][ T1022] br_add_if (net/bridge/br_if.c:697) bridge [ 112.640060][ T1022] do_set_master (net/core/rtnetlink.c:2948) [ 112.640408][ T1022] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 112.640745][ T1022] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 112.641087][ T1022] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 112.641415][ T1022] ? __dev_get_by_name (net/core/dev.c:865) [ 112.641746][ T1022] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.642091][ T1022] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.642430][ T1022] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 112.642758][ T1022] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.643111][ T1022] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 112.643467][ T1022] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 112.643822][ T1022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.644166][ T1022] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 112.644495][ T1022] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.644846][ T1022] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.645173][ T1022] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 112.645502][ T1022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.645842][ T1022] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.646179][ T1022] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 112.646513][ T1022] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.646865][ T1022] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 112.647213][ T1022] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 112.647580][ T1022] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 112.647943][ T1022] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 112.648306][ T1022] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 112.648654][ T1022] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.649021][ T1022] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.649371][ T1022] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 112.649700][ T1022] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 112.650046][ T1022] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.650435][ T1022] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 112.650791][ T1022] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 112.651308][ T1022] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 112.651654][ T1022] ___sys_sendmsg (net/socket.c:2670) [ 112.652014][ T1022] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 112.652367][ T1022] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 112.652700][ T1022] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.653039][ T1022] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 112.653377][ T1022] ? __handle_mm_fault (mm/memory.c:6212) [ 112.653703][ T1022] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 112.654052][ T1022] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 112.654403][ T1022] __sys_sendmsg (net/socket.c:2700) [ 112.654741][ T1022] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 112.655076][ T1022] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 112.655419][ T1022] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 112.655766][ T1022] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.656116][ T1022] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 112.656464][ T1022] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.656886][ T1022] RIP: 0033:0x7f602ccbb1e7 [ 112.657234][ T1022] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 112.658395][ T1022] RSP: 002b:00007ffef373ef98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.658897][ T1022] RAX: ffffffffffffffda RBX: 00007ffef373f6c0 RCX: 00007f602ccbb1e7 [ 112.659389][ T1022] RDX: 0000000000000000 RSI: 00007ffef373f000 RDI: 0000000000000005 [ 112.659888][ T1022] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 112.660441][ T1022] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef373f6f8 [ 112.660944][ T1022] R13: 00000000686e420f R14: 0000000000499600 R15: 0000000000000000 | [ 112.838796][ T1025] ------------[ cut here ]------------ | [ 112.839119][ T1025] WARNING: CPU: 3 PID: 1025 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 112.839749][ T1025] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 112.840969][ T1025] Tainted: [W]=WARN [ 112.841213][ T1025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 112.841613][ T1025] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 112.841957][ T1025] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 112.843095][ T1025] RSP: 0018:ffffc900007d7080 EFLAGS: 00010246 [ 112.843495][ T1025] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 112.843980][ T1025] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 112.844457][ T1025] RBP: ffffc900007d7168 R08: 0000000000000000 R09: 0000000000000000 [ 112.844940][ T1025] R10: ffffc900007d7198 R11: ffffffffacca8918 R12: 1ffff920000fae14 [ 112.845414][ T1025] R13: 00000000000005dc R14: ffffc900007d7198 R15: ffff888009a8af08 [ 112.845900][ T1025] FS: 00007f54068c0800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 112.846455][ T1025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.846865][ T1025] CR2: 00000000004a1738 CR3: 000000000baeb005 CR4: 0000000000772ef0 [ 112.847348][ T1025] PKRU: 55555554 [ 112.847581][ T1025] Call Trace: [ 112.847822][ T1025] [ 112.847993][ T1025] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 112.848317][ T1025] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 112.848636][ T1025] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 112.849034][ T1025] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 112.849360][ T1025] netif_set_mtu (net/core/dev.c:9652) [ 112.849673][ T1025] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 112.850005][ T1025] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 112.850461][ T1025] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 112.850703][ T1025] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 112.851151][ T1025] br_add_if (net/bridge/br_if.c:697) bridge [ 112.851517][ T1025] do_set_master (net/core/rtnetlink.c:2948) [ 112.851842][ T1025] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 112.852163][ T1025] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 112.852482][ T1025] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 112.852808][ T1025] ? __dev_get_by_name (net/core/dev.c:865) [ 112.853129][ T1025] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.853448][ T1025] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 112.853780][ T1025] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 112.854092][ T1025] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.854413][ T1025] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 112.854740][ T1025] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 112.855070][ T1025] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.855402][ T1025] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 112.855731][ T1025] ? __lock_release (kernel/locking/lockdep.c:5539) [ 112.856064][ T1025] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 112.856381][ T1025] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 112.856706][ T1025] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.857045][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.857367][ T1025] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 112.857690][ T1025] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 112.858022][ T1025] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 112.858354][ T1025] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 112.858668][ T1025] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 112.858995][ T1025] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 112.859318][ T1025] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 112.859636][ T1025] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 112.859963][ T1025] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 112.860301][ T1025] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 112.860619][ T1025] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 112.860957][ T1025] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 112.861291][ T1025] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 112.861624][ T1025] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 112.862031][ T1025] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 112.862358][ T1025] ___sys_sendmsg (net/socket.c:2670) [ 112.862683][ T1025] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 112.863006][ T1025] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 112.863331][ T1025] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 112.863648][ T1025] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 112.863990][ T1025] ? __handle_mm_fault (mm/memory.c:6212) [ 112.864315][ T1025] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 112.864642][ T1025] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 112.864999][ T1025] __sys_sendmsg (net/socket.c:2700) [ 112.865323][ T1025] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 112.865656][ T1025] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 112.865990][ T1025] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 112.866309][ T1025] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 112.866629][ T1025] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 112.866955][ T1025] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 112.867349][ T1025] RIP: 0033:0x7f5406a8d1e7 [ 112.867675][ T1025] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 112.868818][ T1025] RSP: 002b:00007ffff5f7acb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 112.869299][ T1025] RAX: ffffffffffffffda RBX: 00007ffff5f7b3e0 RCX: 00007f5406a8d1e7 [ 112.869787][ T1025] RDX: 0000000000000000 RSI: 00007ffff5f7ad20 RDI: 0000000000000005 [ 112.870280][ T1025] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 112.870759][ T1025] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffff5f7b418 [ 112.871241][ T1025] R13: 00000000686e420f R14: 0000000000499600 R15: 0000000000000000 | [ 113.012593][ T1027] ------------[ cut here ]------------ | [ 113.013007][ T1027] WARNING: CPU: 2 PID: 1027 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 113.013675][ T1027] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 113.014915][ T1027] Tainted: [W]=WARN [ 113.015177][ T1027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.015606][ T1027] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 113.015974][ T1027] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 113.017189][ T1027] RSP: 0018:ffffc90000867080 EFLAGS: 00010246 [ 113.017633][ T1027] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 113.018151][ T1027] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 113.018657][ T1027] RBP: ffffc90000867168 R08: 0000000000000000 R09: 0000000000000000 [ 113.019174][ T1027] R10: ffffc90000867198 R11: ffffffffacca8918 R12: 1ffff9200010ce14 [ 113.019686][ T1027] R13: 00000000000005dc R14: ffffc90000867198 R15: ffff888009a8af08 [ 113.020200][ T1027] FS: 00007f47f41f8800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 113.020813][ T1027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.021240][ T1027] CR2: 0000000000406141 CR3: 000000001017e002 CR4: 0000000000772ef0 [ 113.021758][ T1027] PKRU: 55555554 [ 113.022034][ T1027] Call Trace: [ 113.022284][ T1027] [ 113.022465][ T1027] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.022831][ T1027] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 113.023178][ T1027] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 113.023611][ T1027] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 113.023971][ T1027] netif_set_mtu (net/core/dev.c:9652) [ 113.024324][ T1027] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.024679][ T1027] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 113.025169][ T1027] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.025432][ T1027] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.025923][ T1027] br_add_if (net/bridge/br_if.c:697) bridge [ 113.026315][ T1027] do_set_master (net/core/rtnetlink.c:2948) [ 113.026664][ T1027] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 113.027023][ T1027] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 113.027355][ T1027] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 113.027704][ T1027] ? __dev_get_by_name (net/core/dev.c:865) [ 113.028050][ T1027] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.028482][ T1027] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.028839][ T1027] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.029166][ T1027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.029517][ T1027] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 113.029878][ T1027] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.030227][ T1027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.030655][ T1027] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.031000][ T1027] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.031348][ T1027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.031677][ T1027] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.032060][ T1027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.032397][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.032734][ T1027] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.033079][ T1027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.033414][ T1027] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.033787][ T1027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.034120][ T1027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 113.034450][ T1027] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 113.034793][ T1027] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.035130][ T1027] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.035468][ T1027] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.035811][ T1027] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.036145][ T1027] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.036482][ T1027] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.036825][ T1027] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.037158][ T1027] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.037571][ T1027] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 113.037914][ T1027] ___sys_sendmsg (net/socket.c:2670) [ 113.038257][ T1027] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.038587][ T1027] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 113.038928][ T1027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.039256][ T1027] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 113.039598][ T1027] ? __handle_mm_fault (mm/memory.c:6212) [ 113.039940][ T1027] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 113.040285][ T1027] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 113.040679][ T1027] __sys_sendmsg (net/socket.c:2700) [ 113.041023][ T1027] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.041352][ T1027] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 113.041713][ T1027] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 113.042057][ T1027] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.042394][ T1027] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.042720][ T1027] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.043386][ T1027] RIP: 0033:0x7f47f43c51e7 [ 113.043727][ T1027] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 113.044883][ T1027] RSP: 002b:00007fff02d18218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.045861][ T1027] RAX: ffffffffffffffda RBX: 00007fff02d18940 RCX: 00007f47f43c51e7 [ 113.046350][ T1027] RDX: 0000000000000000 RSI: 00007fff02d18280 RDI: 0000000000000005 [ 113.046844][ T1027] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 113.047566][ T1027] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff02d18978 [ 113.048066][ T1027] R13: 00000000686e420f R14: 0000000000499600 R15: 0000000000000000 | [ 113.228696][ T1028] ------------[ cut here ]------------ | [ 113.229095][ T1028] WARNING: CPU: 3 PID: 1028 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) | [ 113.229746][ T1028] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 113.230951][ T1028] Tainted: [W]=WARN [ 113.231196][ T1028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.231608][ T1028] 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) [ 113.231966][ T1028] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 113.233160][ T1028] RSP: 0018:ffffc90000867080 EFLAGS: 00010246 [ 113.233567][ T1028] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 113.234051][ T1028] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 113.234554][ T1028] RBP: ffffc90000867168 R08: 0000000000000000 R09: 0000000000000000 [ 113.235069][ T1028] R10: ffffc90000867198 R11: ffffffffacca8918 R12: 1ffff9200010ce14 [ 113.235552][ T1028] R13: 00000000000005dc R14: ffffc90000867198 R15: ffff888009a8af08 [ 113.236045][ T1028] FS: 00007fbb66099800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 113.236603][ T1028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.237235][ T1028] CR2: 00007f86dcae6d84 CR3: 0000000010921001 CR4: 0000000000772ef0 [ 113.237717][ T1028] PKRU: 55555554 [ 113.238134][ T1028] Call Trace: [ 113.238386][ T1028] [ 113.238553][ T1028] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.239043][ T1028] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 113.239367][ T1028] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 113.239920][ T1028] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 113.240256][ T1028] netif_set_mtu (net/core/dev.c:9652) [ 113.240596][ T1028] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.241086][ T1028] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 113.241536][ T1028] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.241936][ T1028] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.242390][ T1028] br_add_if (net/bridge/br_if.c:697) bridge [ 113.242876][ T1028] do_set_master (net/core/rtnetlink.c:2948) [ 113.243212][ T1028] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 113.243559][ T1028] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 113.243908][ T1028] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 113.244228][ T1028] ? __dev_get_by_name (net/core/dev.c:865) [ 113.244556][ T1028] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.244896][ T1028] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.245221][ T1028] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.245538][ T1028] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.245903][ T1028] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 113.246248][ T1028] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.246592][ T1028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.246948][ T1028] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.247279][ T1028] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.247604][ T1028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.247935][ T1028] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.248268][ T1028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.248595][ T1028] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.248949][ T1028] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.249273][ T1028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.249613][ T1028] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.249968][ T1028] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.250329][ T1028] ? 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) [ 113.250653][ T1028] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 113.250986][ T1028] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.251300][ T1028] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.251627][ T1028] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.251962][ T1028] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.252293][ T1028] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.252628][ T1028] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.252960][ T1028] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.253281][ T1028] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.253677][ T1028] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 113.254034][ T1028] ___sys_sendmsg (net/socket.c:2670) [ 113.254369][ T1028] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.254682][ T1028] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 113.255010][ T1028] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.255326][ T1028] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 113.255647][ T1028] ? __handle_mm_fault (mm/memory.c:6212) [ 113.255977][ T1028] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 113.256302][ T1028] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 113.256647][ T1028] __sys_sendmsg (net/socket.c:2700) [ 113.256974][ T1028] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.257292][ T1028] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 113.257630][ T1028] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 113.257968][ T1028] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.258292][ T1028] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.258620][ T1028] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.259019][ T1028] RIP: 0033:0x7fbb662661e7 [ 113.259345][ T1028] 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) [ 113.260530][ T1028] RSP: 002b:00007ffca924b348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.261031][ T1028] RAX: ffffffffffffffda RBX: 00007ffca924ba70 RCX: 00007fbb662661e7 [ 113.261523][ T1028] RDX: 0000000000000000 RSI: 00007ffca924b3b0 RDI: 0000000000000005 [ 113.262031][ T1028] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 113.262536][ T1028] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca924baa8 [ 113.263022][ T1028] R13: 00000000686e4210 R14: 0000000000499600 R15: 0000000000000000 | [ 113.410466][ T1031] ------------[ cut here ]------------ | [ 113.410824][ T1031] WARNING: CPU: 0 PID: 1031 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) | [ 113.411441][ T1031] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 113.412593][ T1031] Tainted: [W]=WARN [ 113.412846][ T1031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.413251][ T1031] 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) [ 113.413583][ T1031] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 113.414721][ T1031] RSP: 0018:ffffc900008a7080 EFLAGS: 00010246 [ 113.415129][ T1031] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 113.415602][ T1031] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 113.416080][ T1031] RBP: ffffc900008a7168 R08: 0000000000000000 R09: 0000000000000000 [ 113.416554][ T1031] R10: ffffc900008a7198 R11: ffffffffacca8918 R12: 1ffff92000114e14 [ 113.417060][ T1031] R13: 00000000000005dc R14: ffffc900008a7198 R15: ffff888009a8af08 [ 113.417538][ T1031] FS: 00007f6b46d59800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 113.418113][ T1031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.418518][ T1031] CR2: 00000000004a1738 CR3: 00000000098c0002 CR4: 0000000000772ef0 [ 113.419006][ T1031] PKRU: 55555554 [ 113.419245][ T1031] Call Trace: [ 113.419479][ T1031] [ 113.419645][ T1031] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.419981][ T1031] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 113.420318][ T1031] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 113.420740][ T1031] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 113.421092][ T1031] netif_set_mtu (net/core/dev.c:9652) [ 113.421434][ T1031] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.421789][ T1031] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 113.422264][ T1031] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.422522][ T1031] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.422991][ T1031] br_add_if (net/bridge/br_if.c:697) bridge [ 113.423375][ T1031] do_set_master (net/core/rtnetlink.c:2948) [ 113.423706][ T1031] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 113.424050][ T1031] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 113.424392][ T1031] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 113.424729][ T1031] ? __dev_get_by_name (net/core/dev.c:865) [ 113.425090][ T1031] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.425432][ T1031] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.425781][ T1031] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.426115][ T1031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.426473][ T1031] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 113.426832][ T1031] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.427170][ T1031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.427518][ T1031] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.427853][ T1031] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.428188][ T1031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.428519][ T1031] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.428868][ T1031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.429211][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.429552][ T1031] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.429893][ T1031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.430228][ T1031] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.430586][ T1031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.430929][ T1031] ? 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) [ 113.431273][ T1031] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 113.431608][ T1031] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.431961][ T1031] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.432312][ T1031] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.432654][ T1031] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.432995][ T1031] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.433340][ T1031] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.433683][ T1031] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.434024][ T1031] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.434454][ T1031] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 113.434803][ T1031] ___sys_sendmsg (net/socket.c:2670) [ 113.435151][ T1031] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.435486][ T1031] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 113.435836][ T1031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.436167][ T1031] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 113.436507][ T1031] ? __handle_mm_fault (mm/memory.c:6212) [ 113.436850][ T1031] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 113.437180][ T1031] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 113.437530][ T1031] __sys_sendmsg (net/socket.c:2700) [ 113.437873][ T1031] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.438212][ T1031] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 113.438565][ T1031] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 113.438910][ T1031] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.439249][ T1031] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.439580][ T1031] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.440002][ T1031] RIP: 0033:0x7f6b46f261e7 [ 113.440361][ T1031] 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) [ 113.441553][ T1031] RSP: 002b:00007ffe97a42138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.442063][ T1031] RAX: ffffffffffffffda RBX: 00007ffe97a42860 RCX: 00007f6b46f261e7 [ 113.442562][ T1031] RDX: 0000000000000000 RSI: 00007ffe97a421a0 RDI: 0000000000000005 [ 113.443084][ T1031] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 113.443575][ T1031] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe97a42898 [ 113.444051][ T1031] R13: 00000000686e4210 R14: 0000000000499600 R15: 0000000000000000 | [ 113.626666][ T1033] ------------[ cut here ]------------ | [ 113.627108][ T1033] WARNING: CPU: 1 PID: 1033 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 113.628002][ T1033] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 113.630602][ T1033] Tainted: [W]=WARN [ 113.631104][ T1033] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.631837][ T1033] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 113.632439][ T1033] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 113.634521][ T1033] RSP: 0018:ffffc900008a7080 EFLAGS: 00010246 [ 113.635046][ T1033] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 113.635560][ T1033] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 113.636041][ T1033] RBP: ffffc900008a7168 R08: 0000000000000000 R09: 0000000000000000 [ 113.636733][ T1033] R10: ffffc900008a7198 R11: ffffffffacca8918 R12: 1ffff92000114e14 [ 113.637238][ T1033] R13: 00000000000005dc R14: ffffc900008a7198 R15: ffff888009a8af08 [ 113.637720][ T1033] FS: 00007fe566d2d800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 113.638306][ T1033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.638711][ T1033] CR2: 00000000004a1738 CR3: 000000000fdff002 CR4: 0000000000772ef0 [ 113.639218][ T1033] PKRU: 55555554 [ 113.639458][ T1033] Call Trace: [ 113.639697][ T1033] [ 113.639874][ T1033] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.640396][ T1033] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 113.640974][ T1033] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 113.641655][ T1033] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 113.642249][ T1033] netif_set_mtu (net/core/dev.c:9652) [ 113.642846][ T1033] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.643449][ T1033] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 113.644270][ T1033] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.644710][ T1033] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.645513][ T1033] br_add_if (net/bridge/br_if.c:697) bridge [ 113.646179][ T1033] do_set_master (net/core/rtnetlink.c:2948) [ 113.646758][ T1033] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 113.647312][ T1033] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 113.647647][ T1033] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 113.647972][ T1033] ? __dev_get_by_name (net/core/dev.c:865) [ 113.648318][ T1033] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.648636][ T1033] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.648968][ T1033] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.649404][ T1033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.649847][ T1033] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 113.650190][ T1033] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.650523][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.650862][ T1033] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.651184][ T1033] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.651503][ T1033] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.651825][ T1033] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.652150][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.652492][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.652847][ T1033] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.653184][ T1033] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.653503][ T1033] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.654059][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.654635][ T1033] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 113.655207][ T1033] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 113.655814][ T1033] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.656393][ T1033] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.657002][ T1033] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.657585][ T1033] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.658172][ T1033] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.658788][ T1033] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.659373][ T1033] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.659967][ T1033] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.660683][ T1033] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 113.661099][ T1033] ___sys_sendmsg (net/socket.c:2670) [ 113.661443][ T1033] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.661790][ T1033] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 113.662118][ T1033] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.662663][ T1033] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 113.663003][ T1033] ? __handle_mm_fault (mm/memory.c:6212) [ 113.663330][ T1033] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 113.663649][ T1033] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 113.664001][ T1033] __sys_sendmsg (net/socket.c:2700) [ 113.664338][ T1033] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.664662][ T1033] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 113.665014][ T1033] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 113.665355][ T1033] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.665684][ T1033] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.666018][ T1033] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.666436][ T1033] RIP: 0033:0x7fe566efa1e7 [ 113.666788][ T1033] 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) [ 113.667952][ T1033] RSP: 002b:00007ffe7df7c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.668445][ T1033] RAX: ffffffffffffffda RBX: 00007ffe7df7c890 RCX: 00007fe566efa1e7 [ 113.668927][ T1033] RDX: 0000000000000000 RSI: 00007ffe7df7c1d0 RDI: 0000000000000005 [ 113.669421][ T1033] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 113.669905][ T1033] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe7df7c8c8 [ 113.670409][ T1033] R13: 00000000686e4210 R14: 0000000000499600 R15: 0000000000000000 | [ 113.837245][ T1035] ------------[ cut here ]------------ | [ 113.837596][ T1035] WARNING: CPU: 2 PID: 1035 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 113.838296][ T1035] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 113.839479][ T1035] Tainted: [W]=WARN [ 113.839738][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.840156][ T1035] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 113.840508][ T1035] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 113.841674][ T1035] RSP: 0018:ffffc900008b7080 EFLAGS: 00010246 [ 113.842101][ T1035] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 113.842591][ T1035] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 113.843087][ T1035] RBP: ffffc900008b7168 R08: 0000000000000000 R09: 0000000000000000 [ 113.843577][ T1035] R10: ffffc900008b7198 R11: ffffffffacca8918 R12: 1ffff92000116e14 [ 113.844070][ T1035] R13: 00000000000005dc R14: ffffc900008b7198 R15: ffff888009a8af08 [ 113.844560][ T1035] FS: 00007f6fc0011800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 113.845144][ T1035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.845564][ T1035] CR2: 00000000004a1738 CR3: 00000000102bb004 CR4: 0000000000772ef0 [ 113.846060][ T1035] PKRU: 55555554 [ 113.846313][ T1035] Call Trace: [ 113.846562][ T1035] [ 113.846742][ T1035] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 113.847104][ T1035] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 113.847445][ T1035] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 113.847873][ T1035] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 113.848219][ T1035] netif_set_mtu (net/core/dev.c:9652) [ 113.848566][ T1035] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 113.848929][ T1035] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 113.849395][ T1035] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 113.849650][ T1035] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 113.850110][ T1035] br_add_if (net/bridge/br_if.c:697) bridge [ 113.850499][ T1035] do_set_master (net/core/rtnetlink.c:2948) [ 113.850839][ T1035] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 113.851174][ T1035] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 113.851551][ T1035] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 113.851902][ T1035] ? __dev_get_by_name (net/core/dev.c:865) [ 113.852233][ T1035] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.852565][ T1035] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 113.852910][ T1035] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 113.853243][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.853583][ T1035] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 113.853942][ T1035] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 113.854291][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.854637][ T1035] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 113.854974][ T1035] ? __lock_release (kernel/locking/lockdep.c:5539) [ 113.855305][ T1035] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 113.855634][ T1035] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 113.855971][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.856308][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.856644][ T1035] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 113.856993][ T1035] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 113.857353][ T1035] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 113.857701][ T1035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 113.858037][ T1035] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 113.858367][ T1035] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 113.858700][ T1035] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 113.859051][ T1035] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 113.859387][ T1035] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 113.859725][ T1035] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 113.860068][ T1035] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 113.860449][ T1035] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 113.860796][ T1035] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 113.861123][ T1035] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 113.861536][ T1035] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 113.861880][ T1035] ___sys_sendmsg (net/socket.c:2670) [ 113.862212][ T1035] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 113.862546][ T1035] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 113.862892][ T1035] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 113.863219][ T1035] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 113.863553][ T1035] ? __handle_mm_fault (mm/memory.c:6212) [ 113.863890][ T1035] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 113.864215][ T1035] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 113.864557][ T1035] __sys_sendmsg (net/socket.c:2700) [ 113.864890][ T1035] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 113.865220][ T1035] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 113.865562][ T1035] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 113.865899][ T1035] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 113.866235][ T1035] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 113.866578][ T1035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 113.866996][ T1035] RIP: 0033:0x7f6fc01de1e7 [ 113.867337][ T1035] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 113.868497][ T1035] RSP: 002b:00007fff7861ac38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.869006][ T1035] RAX: ffffffffffffffda RBX: 00007fff7861b360 RCX: 00007f6fc01de1e7 [ 113.869493][ T1035] RDX: 0000000000000000 RSI: 00007fff7861aca0 RDI: 0000000000000005 [ 113.869986][ T1035] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 113.870485][ T1035] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff7861b398 [ 113.870984][ T1035] R13: 00000000686e4210 R14: 0000000000499600 R15: 0000000000000000 | [ 114.040736][ T1036] ------------[ cut here ]------------ | [ 114.041212][ T1036] WARNING: CPU: 1 PID: 1036 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) | [ 114.042031][ T1036] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 114.043365][ T1036] Tainted: [W]=WARN [ 114.043620][ T1036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.044181][ T1036] 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) [ 114.044525][ T1036] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 114.045909][ T1036] RSP: 0000:ffffc900008c7080 EFLAGS: 00010246 [ 114.046328][ T1036] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 114.046976][ T1036] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 114.047472][ T1036] RBP: ffffc900008c7168 R08: 0000000000000000 R09: 0000000000000000 [ 114.048110][ T1036] R10: ffffc900008c7198 R11: ffffffffacca8918 R12: 1ffff92000118e14 [ 114.048615][ T1036] R13: 00000000000005dc R14: ffffc900008c7198 R15: ffff888009a8af08 [ 114.049270][ T1036] FS: 00007f0b5c812800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 114.050014][ T1036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.050440][ T1036] CR2: 00007f4efceff1e4 CR3: 00000000102bb006 CR4: 0000000000772ef0 [ 114.050963][ T1036] PKRU: 55555554 [ 114.051215][ T1036] Call Trace: [ 114.051463][ T1036] [ 114.051637][ T1036] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.051989][ T1036] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 114.052324][ T1036] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 114.052735][ T1036] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 114.053073][ T1036] netif_set_mtu (net/core/dev.c:9652) [ 114.053405][ T1036] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.053744][ T1036] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 114.054252][ T1036] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.054504][ T1036] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.054963][ T1036] br_add_if (net/bridge/br_if.c:697) bridge [ 114.055347][ T1036] do_set_master (net/core/rtnetlink.c:2948) [ 114.055679][ T1036] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 114.056017][ T1036] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 114.056347][ T1036] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 114.056677][ T1036] ? __dev_get_by_name (net/core/dev.c:865) [ 114.057017][ T1036] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.057350][ T1036] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.057708][ T1036] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.058058][ T1036] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.058434][ T1036] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 114.058784][ T1036] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.059112][ T1036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.059453][ T1036] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.059780][ T1036] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.060102][ T1036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.060430][ T1036] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.060743][ T1036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.061075][ T1036] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.061403][ T1036] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.061719][ T1036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.062053][ T1036] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.062382][ T1036] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.062697][ T1036] ? 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) [ 114.063036][ T1036] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 114.063362][ T1036] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.063677][ T1036] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.064007][ T1036] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.064329][ T1036] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.064646][ T1036] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.064982][ T1036] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.065308][ T1036] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.065639][ T1036] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.066055][ T1036] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 114.066393][ T1036] ___sys_sendmsg (net/socket.c:2670) [ 114.066710][ T1036] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.067042][ T1036] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 114.067368][ T1036] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.067682][ T1036] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 114.068014][ T1036] ? __handle_mm_fault (mm/memory.c:6212) [ 114.068330][ T1036] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 114.068643][ T1036] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 114.068980][ T1036] __sys_sendmsg (net/socket.c:2700) [ 114.069298][ T1036] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.069612][ T1036] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 114.069972][ T1036] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 114.070311][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.070633][ T1036] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.070963][ T1036] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.071353][ T1036] RIP: 0033:0x7f0b5c9df1e7 [ 114.071682][ T1036] 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) [ 114.072847][ T1036] RSP: 002b:00007fff9ce8d578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.073330][ T1036] RAX: ffffffffffffffda RBX: 00007fff9ce8dca0 RCX: 00007f0b5c9df1e7 [ 114.073841][ T1036] RDX: 0000000000000000 RSI: 00007fff9ce8d5e0 RDI: 0000000000000005 [ 114.074349][ T1036] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 114.074833][ T1036] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff9ce8dcd8 [ 114.075306][ T1036] R13: 00000000686e4210 R14: 0000000000499600 R15: 0000000000000000 | [ 114.244731][ T1038] ------------[ cut here ]------------ | [ 114.245217][ T1038] WARNING: CPU: 0 PID: 1038 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 114.245923][ T1038] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 114.247163][ T1038] Tainted: [W]=WARN [ 114.247418][ T1038] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.247872][ T1038] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 114.248219][ T1038] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 114.249426][ T1038] RSP: 0018:ffffc900008d7080 EFLAGS: 00010246 [ 114.249889][ T1038] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 114.250484][ T1038] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 114.250972][ T1038] RBP: ffffc900008d7168 R08: 0000000000000000 R09: 0000000000000000 [ 114.251449][ T1038] R10: ffffc900008d7198 R11: ffffffffacca8918 R12: 1ffff9200011ae14 [ 114.251949][ T1038] R13: 00000000000005dc R14: ffffc900008d7198 R15: ffff888009a8af08 [ 114.252425][ T1038] FS: 00007f4c65ea7800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 114.252987][ T1038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.253385][ T1038] CR2: 00000000004a1738 CR3: 000000000c978003 CR4: 0000000000772ef0 [ 114.253873][ T1038] PKRU: 55555554 [ 114.254114][ T1038] Call Trace: [ 114.254353][ T1038] [ 114.254518][ T1038] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.254850][ T1038] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 114.255173][ T1038] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 114.255565][ T1038] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 114.255893][ T1038] netif_set_mtu (net/core/dev.c:9652) [ 114.256212][ T1038] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.256577][ T1038] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 114.257052][ T1038] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.257308][ T1038] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.257764][ T1038] br_add_if (net/bridge/br_if.c:697) bridge [ 114.258157][ T1038] do_set_master (net/core/rtnetlink.c:2948) [ 114.258494][ T1038] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 114.258856][ T1038] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 114.259198][ T1038] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 114.259526][ T1038] ? __dev_get_by_name (net/core/dev.c:865) [ 114.259865][ T1038] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.260217][ T1038] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.260584][ T1038] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.260907][ T1038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.261246][ T1038] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 114.261573][ T1038] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.261902][ T1038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.262231][ T1038] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.262549][ T1038] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.262877][ T1038] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.263196][ T1038] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.263517][ T1038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.263847][ T1038] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.264168][ T1038] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.264490][ T1038] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.264874][ T1038] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.265218][ T1038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.265543][ T1038] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 114.265884][ T1038] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 114.266222][ T1038] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.266624][ T1038] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.266962][ T1038] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.267286][ T1038] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.267601][ T1038] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.267934][ T1038] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.268254][ T1038] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.268573][ T1038] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.269000][ T1038] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 114.269325][ T1038] ___sys_sendmsg (net/socket.c:2670) [ 114.269642][ T1038] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.269963][ T1038] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 114.270302][ T1038] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.270646][ T1038] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 114.270985][ T1038] ? __handle_mm_fault (mm/memory.c:6212) [ 114.271303][ T1038] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 114.271629][ T1038] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 114.272012][ T1038] __sys_sendmsg (net/socket.c:2700) [ 114.272327][ T1038] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.272650][ T1038] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 114.272983][ T1038] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 114.273333][ T1038] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.274127][ T1038] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.274444][ T1038] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.275096][ T1038] RIP: 0033:0x7f4c660741e7 [ 114.275427][ T1038] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 114.276571][ T1038] RSP: 002b:00007fff0374cb58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.277059][ T1038] RAX: ffffffffffffffda RBX: 00007fff0374d280 RCX: 00007f4c660741e7 [ 114.278061][ T1038] RDX: 0000000000000000 RSI: 00007fff0374cbc0 RDI: 0000000000000005 [ 114.278537][ T1038] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 114.279023][ T1038] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff0374d2b8 [ 114.279738][ T1038] R13: 00000000686e4211 R14: 0000000000499600 R15: 0000000000000000 | [ 114.450994][ T1040] ------------[ cut here ]------------ | [ 114.451321][ T1040] WARNING: CPU: 3 PID: 1040 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 114.451968][ T1040] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 114.453121][ T1040] Tainted: [W]=WARN [ 114.453365][ T1040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.453776][ T1040] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 114.454106][ T1040] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 114.455259][ T1040] RSP: 0018:ffffc900008a7080 EFLAGS: 00010246 [ 114.455663][ T1040] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 114.456188][ T1040] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 114.456665][ T1040] RBP: ffffc900008a7168 R08: 0000000000000000 R09: 0000000000000000 [ 114.457154][ T1040] R10: ffffc900008a7198 R11: ffffffffacca8918 R12: 1ffff92000114e14 [ 114.457632][ T1040] R13: 00000000000005dc R14: ffffc900008a7198 R15: ffff888009a8af08 [ 114.458122][ T1040] FS: 00007f8b76b0b800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 114.458673][ T1040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.459080][ T1040] CR2: 00007fd53835e7c1 CR3: 000000001017e002 CR4: 0000000000772ef0 [ 114.459558][ T1040] PKRU: 55555554 [ 114.459809][ T1040] Call Trace: [ 114.460055][ T1040] [ 114.460220][ T1040] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.460564][ T1040] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 114.460897][ T1040] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 114.461336][ T1040] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 114.461661][ T1040] netif_set_mtu (net/core/dev.c:9652) [ 114.461999][ T1040] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.462333][ T1040] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 114.462793][ T1040] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.463037][ T1040] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.463476][ T1040] br_add_if (net/bridge/br_if.c:697) bridge [ 114.463847][ T1040] do_set_master (net/core/rtnetlink.c:2948) [ 114.464171][ T1040] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 114.464492][ T1040] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 114.465043][ T1040] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 114.465361][ T1040] ? __dev_get_by_name (net/core/dev.c:865) [ 114.465677][ T1040] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.466020][ T1040] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.466343][ T1040] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.466656][ T1040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.467026][ T1040] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 114.467386][ T1040] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.467728][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.468069][ T1040] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.468415][ T1040] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.468739][ T1040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.469073][ T1040] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.469390][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.469710][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.470055][ T1040] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.470433][ T1040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.470756][ T1040] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.471093][ T1040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.471415][ T1040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 114.471732][ T1040] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 114.472065][ T1040] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.472382][ T1040] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.472728][ T1040] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.473054][ T1040] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.473369][ T1040] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.473700][ T1040] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.474036][ T1040] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.474358][ T1040] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.474756][ T1040] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 114.475087][ T1040] ___sys_sendmsg (net/socket.c:2670) [ 114.475409][ T1040] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.475722][ T1040] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 114.476058][ T1040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.476373][ T1040] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 114.476698][ T1040] ? __handle_mm_fault (mm/memory.c:6212) [ 114.477022][ T1040] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 114.477337][ T1040] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 114.477668][ T1040] __sys_sendmsg (net/socket.c:2700) [ 114.477996][ T1040] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.478314][ T1040] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 114.478649][ T1040] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 114.478979][ T1040] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.479316][ T1040] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.479630][ T1040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.480035][ T1040] RIP: 0033:0x7f8b76cd81e7 [ 114.480378][ T1040] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 114.481553][ T1040] RSP: 002b:00007ffd5ae0a728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.482035][ T1040] RAX: ffffffffffffffda RBX: 00007ffd5ae0ae50 RCX: 00007f8b76cd81e7 [ 114.482537][ T1040] RDX: 0000000000000000 RSI: 00007ffd5ae0a790 RDI: 0000000000000005 [ 114.483026][ T1040] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 114.483508][ T1040] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5ae0ae88 [ 114.484018][ T1040] R13: 00000000686e4211 R14: 0000000000499600 R15: 0000000000000000 | [ 114.669146][ T1042] ------------[ cut here ]------------ | [ 114.669480][ T1042] WARNING: CPU: 1 PID: 1042 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) | [ 114.670146][ T1042] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 114.671329][ T1042] Tainted: [W]=WARN [ 114.671582][ T1042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.672003][ T1042] 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) [ 114.672331][ T1042] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 114.673475][ T1042] RSP: 0018:ffffc90000897080 EFLAGS: 00010246 [ 114.673897][ T1042] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 114.674373][ T1042] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 114.675029][ T1042] RBP: ffffc90000897168 R08: 0000000000000000 R09: 0000000000000000 [ 114.675519][ T1042] R10: ffffc90000897198 R11: ffffffffacca8918 R12: 1ffff92000112e14 [ 114.676150][ T1042] R13: 00000000000005dc R14: ffffc90000897198 R15: ffff888009a8af08 [ 114.676621][ T1042] FS: 00007ff223b67800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 114.677351][ T1042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.677749][ T1042] CR2: 00000000004e6f00 CR3: 0000000008c17002 CR4: 0000000000772ef0 [ 114.678402][ T1042] PKRU: 55555554 [ 114.678641][ T1042] Call Trace: [ 114.679029][ T1042] [ 114.679197][ T1042] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.679524][ T1042] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 114.679907][ T1042] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 114.680337][ T1042] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 114.680669][ T1042] netif_set_mtu (net/core/dev.c:9652) [ 114.680999][ T1042] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.681343][ T1042] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 114.681824][ T1042] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.682068][ T1042] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.682537][ T1042] br_add_if (net/bridge/br_if.c:697) bridge [ 114.682939][ T1042] do_set_master (net/core/rtnetlink.c:2948) [ 114.683298][ T1042] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 114.683625][ T1042] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 114.683958][ T1042] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 114.684283][ T1042] ? __dev_get_by_name (net/core/dev.c:865) [ 114.684603][ T1042] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.684932][ T1042] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.685269][ T1042] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.685594][ T1042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.685956][ T1042] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 114.686291][ T1042] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.686615][ T1042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.687298][ T1042] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.687612][ T1042] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.687944][ T1042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.688273][ T1042] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.688592][ T1042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.688919][ T1042] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.689242][ T1042] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.689576][ T1042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.689931][ T1042] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.690305][ T1042] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.690641][ T1042] ? 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) [ 114.690984][ T1042] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 114.691322][ T1042] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.691701][ T1042] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.692071][ T1042] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.692413][ T1042] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.692733][ T1042] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.693078][ T1042] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.693401][ T1042] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.693714][ T1042] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.694131][ T1042] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 114.694452][ T1042] ___sys_sendmsg (net/socket.c:2670) [ 114.694790][ T1042] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.695105][ T1042] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 114.695429][ T1042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.695743][ T1042] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 114.696077][ T1042] ? __handle_mm_fault (mm/memory.c:6212) [ 114.696393][ T1042] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 114.696710][ T1042] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 114.697052][ T1042] __sys_sendmsg (net/socket.c:2700) [ 114.697376][ T1042] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.697690][ T1042] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 114.698030][ T1042] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 114.698353][ T1042] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.698671][ T1042] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.698997][ T1042] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.699393][ T1042] RIP: 0033:0x7ff223d341e7 [ 114.699720][ T1042] 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) [ 114.700878][ T1042] RSP: 002b:00007ffe14f63978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.701386][ T1042] RAX: ffffffffffffffda RBX: 00007ffe14f640a0 RCX: 00007ff223d341e7 [ 114.701883][ T1042] RDX: 0000000000000000 RSI: 00007ffe14f639e0 RDI: 0000000000000005 [ 114.702362][ T1042] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 114.702846][ T1042] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe14f640d8 [ 114.703314][ T1042] R13: 00000000686e4211 R14: 0000000000499600 R15: 0000000000000000 | [ 114.888945][ T1044] ------------[ cut here ]------------ | [ 114.889354][ T1044] WARNING: CPU: 3 PID: 1044 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) | [ 114.890083][ T1044] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 114.891284][ T1044] Tainted: [W]=WARN [ 114.891526][ T1044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 114.891936][ T1044] 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) [ 114.892284][ T1044] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 114.893477][ T1044] RSP: 0018:ffffc900008a7080 EFLAGS: 00010246 [ 114.894105][ T1044] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 114.894899][ T1044] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 114.895740][ T1044] RBP: ffffc900008a7168 R08: 0000000000000000 R09: 0000000000000000 [ 114.896599][ T1044] R10: ffffc900008a7198 R11: ffffffffacca8918 R12: 1ffff92000114e14 [ 114.897464][ T1044] R13: 00000000000005dc R14: ffffc900008a7198 R15: ffff888009a8af08 [ 114.898323][ T1044] FS: 00007fef575ad800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 114.899346][ T1044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.900088][ T1044] CR2: 00007f4efceeee80 CR3: 000000000cbc0003 CR4: 0000000000772ef0 [ 114.900976][ T1044] PKRU: 55555554 [ 114.901397][ T1044] Call Trace: [ 114.901740][ T1044] [ 114.901989][ T1044] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 114.902540][ T1044] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 114.903092][ T1044] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 114.903792][ T1044] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 114.904364][ T1044] netif_set_mtu (net/core/dev.c:9652) [ 114.904971][ T1044] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 114.905576][ T1044] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 114.906355][ T1044] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 114.906789][ T1044] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 114.907560][ T1044] br_add_if (net/bridge/br_if.c:697) bridge [ 114.908217][ T1044] do_set_master (net/core/rtnetlink.c:2948) [ 114.908786][ T1044] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 114.909359][ T1044] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 114.909942][ T1044] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 114.910515][ T1044] ? __dev_get_by_name (net/core/dev.c:865) [ 114.911066][ T1044] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.911609][ T1044] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 114.912185][ T1044] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 114.912730][ T1044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.913296][ T1044] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 114.913866][ T1044] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 114.914425][ T1044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.915001][ T1044] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 114.915559][ T1044] ? __lock_release (kernel/locking/lockdep.c:5539) [ 114.916150][ T1044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 114.916727][ T1044] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 114.917317][ T1044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.917878][ T1044] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.918452][ T1044] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 114.919038][ T1044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 114.919609][ T1044] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 114.920185][ T1044] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 114.920814][ T1044] ? 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) [ 114.921381][ T1044] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 114.921973][ T1044] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 114.922519][ T1044] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 114.923093][ T1044] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 114.923625][ T1044] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 114.924201][ T1044] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 114.924790][ T1044] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 114.925354][ T1044] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 114.925917][ T1044] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 114.926611][ T1044] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 114.927167][ T1044] ___sys_sendmsg (net/socket.c:2670) [ 114.927711][ T1044] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 114.928256][ T1044] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 114.928828][ T1044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 114.929393][ T1044] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 114.929978][ T1044] ? __handle_mm_fault (mm/memory.c:6212) [ 114.930569][ T1044] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 114.931154][ T1044] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 114.931764][ T1044] __sys_sendmsg (net/socket.c:2700) [ 114.932351][ T1044] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 114.932935][ T1044] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 114.933524][ T1044] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 114.933986][ T1044] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 114.934345][ T1044] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 114.934673][ T1044] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 114.935077][ T1044] RIP: 0033:0x7fef5777a1e7 [ 114.935418][ T1044] 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) [ 114.936845][ T1044] RSP: 002b:00007ffdf3c630c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.937348][ T1044] RAX: ffffffffffffffda RBX: 00007ffdf3c637f0 RCX: 00007fef5777a1e7 [ 114.937832][ T1044] RDX: 0000000000000000 RSI: 00007ffdf3c63130 RDI: 0000000000000005 [ 114.938318][ T1044] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 114.938809][ T1044] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdf3c63828 [ 114.939299][ T1044] R13: 00000000686e4211 R14: 0000000000499600 R15: 0000000000000000 | [ 115.108655][ T1046] ------------[ cut here ]------------ | [ 115.109061][ T1046] WARNING: CPU: 3 PID: 1046 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) | [ 115.109694][ T1046] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 115.110896][ T1046] Tainted: [W]=WARN [ 115.111144][ T1046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.111544][ T1046] 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) [ 115.111881][ T1046] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 115.113026][ T1046] RSP: 0018:ffffc900008a7080 EFLAGS: 00010246 [ 115.113441][ T1046] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 115.113922][ T1046] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 115.114440][ T1046] RBP: ffffc900008a7168 R08: 0000000000000000 R09: 0000000000000000 [ 115.114935][ T1046] R10: ffffc900008a7198 R11: ffffffffacca8918 R12: 1ffff92000114e14 [ 115.115424][ T1046] R13: 00000000000005dc R14: ffffc900008a7198 R15: ffff888009a8af08 [ 115.115916][ T1046] FS: 00007f89261e9800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 115.116499][ T1046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.116917][ T1046] CR2: 00000000004a1738 CR3: 000000000f9a8006 CR4: 0000000000772ef0 [ 115.117403][ T1046] PKRU: 55555554 [ 115.117649][ T1046] Call Trace: [ 115.117901][ T1046] [ 115.118071][ T1046] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.118405][ T1046] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 115.118729][ T1046] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 115.119141][ T1046] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 115.119475][ T1046] netif_set_mtu (net/core/dev.c:9652) [ 115.119819][ T1046] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 115.120160][ T1046] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 115.120659][ T1046] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 115.120916][ T1046] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 115.121362][ T1046] br_add_if (net/bridge/br_if.c:697) bridge [ 115.121736][ T1046] do_set_master (net/core/rtnetlink.c:2948) [ 115.122069][ T1046] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 115.122409][ T1046] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 115.122745][ T1046] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 115.123071][ T1046] ? __dev_get_by_name (net/core/dev.c:865) [ 115.123398][ T1046] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.123760][ T1046] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.124088][ T1046] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.124413][ T1046] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.124743][ T1046] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 115.125082][ T1046] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.125420][ T1046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.125757][ T1046] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.126104][ T1046] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.126438][ T1046] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.126753][ T1046] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.127083][ T1046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.127406][ T1046] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.127728][ T1046] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.128050][ T1046] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.128371][ T1046] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.128701][ T1046] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.129037][ T1046] ? 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) [ 115.129356][ T1046] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 115.129676][ T1046] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.130007][ T1046] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.130370][ T1046] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.130715][ T1046] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.131046][ T1046] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.131379][ T1046] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.131704][ T1046] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.132033][ T1046] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.132456][ T1046] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 115.132794][ T1046] ___sys_sendmsg (net/socket.c:2670) [ 115.133257][ T1046] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.133576][ T1046] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 115.133925][ T1046] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.134264][ T1046] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 115.134589][ T1046] ? __handle_mm_fault (mm/memory.c:6212) [ 115.134943][ T1046] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 115.135278][ T1046] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 115.135639][ T1046] __sys_sendmsg (net/socket.c:2700) [ 115.135983][ T1046] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.136304][ T1046] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 115.136651][ T1046] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 115.137004][ T1046] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.137324][ T1046] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.137667][ T1046] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.138070][ T1046] RIP: 0033:0x7f89263b61e7 [ 115.138422][ T1046] 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) [ 115.139601][ T1046] RSP: 002b:00007ffdd0fac588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.140109][ T1046] RAX: ffffffffffffffda RBX: 00007ffdd0faccb0 RCX: 00007f89263b61e7 [ 115.140636][ T1046] RDX: 0000000000000000 RSI: 00007ffdd0fac5f0 RDI: 0000000000000005 [ 115.141150][ T1046] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 115.141627][ T1046] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdd0facce8 [ 115.142130][ T1046] R13: 00000000686e4211 R14: 0000000000499600 R15: 0000000000000000 | [ 115.287800][ T1049] ------------[ cut here ]------------ | [ 115.288134][ T1049] WARNING: CPU: 3 PID: 1049 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 115.288934][ T1049] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 115.290218][ T1049] Tainted: [W]=WARN [ 115.290484][ T1049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.290953][ T1049] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 115.291325][ T1049] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 115.292546][ T1049] RSP: 0018:ffffc90000887080 EFLAGS: 00010246 [ 115.292989][ T1049] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 115.293499][ T1049] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 115.294044][ T1049] RBP: ffffc90000887168 R08: 0000000000000000 R09: 0000000000000000 [ 115.294541][ T1049] R10: ffffc90000887198 R11: ffffffffacca8918 R12: 1ffff92000110e14 [ 115.295042][ T1049] R13: 00000000000005dc R14: ffffc90000887198 R15: ffff888009a8af08 [ 115.295517][ T1049] FS: 00007fc166866800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 115.296102][ T1049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.296497][ T1049] CR2: 00000000004a1738 CR3: 000000000c825004 CR4: 0000000000772ef0 [ 115.297002][ T1049] PKRU: 55555554 [ 115.297239][ T1049] Call Trace: [ 115.297473][ T1049] [ 115.297646][ T1049] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.298006][ T1049] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 115.298324][ T1049] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 115.298727][ T1049] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 115.299078][ T1049] netif_set_mtu (net/core/dev.c:9652) [ 115.299402][ T1049] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 115.299740][ T1049] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 115.300220][ T1049] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 115.300477][ T1049] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 115.300949][ T1049] br_add_if (net/bridge/br_if.c:697) bridge [ 115.301340][ T1049] do_set_master (net/core/rtnetlink.c:2948) [ 115.301694][ T1049] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 115.302058][ T1049] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 115.302383][ T1049] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 115.302696][ T1049] ? __dev_get_by_name (net/core/dev.c:865) [ 115.303033][ T1049] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.303350][ T1049] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.303672][ T1049] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.304034][ T1049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.304358][ T1049] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 115.304681][ T1049] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.305154][ T1049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.305744][ T1049] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.306316][ T1049] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.306904][ T1049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.307382][ T1049] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.307705][ T1049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.308066][ T1049] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.308390][ T1049] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.308716][ T1049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.309050][ T1049] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.309379][ T1049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.309719][ T1049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 115.310060][ T1049] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 115.310407][ T1049] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.310723][ T1049] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.311075][ T1049] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.311400][ T1049] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.311741][ T1049] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.312086][ T1049] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.312409][ T1049] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.313000][ T1049] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.313402][ T1049] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 115.313722][ T1049] ___sys_sendmsg (net/socket.c:2670) [ 115.314062][ T1049] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.314379][ T1049] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 115.314697][ T1049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.315035][ T1049] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 115.315366][ T1049] ? __handle_mm_fault (mm/memory.c:6212) [ 115.315939][ T1049] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 115.316256][ T1049] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 115.316824][ T1049] __sys_sendmsg (net/socket.c:2700) [ 115.317171][ T1049] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.317964][ T1049] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 115.318315][ T1049] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 115.318648][ T1049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.318996][ T1049] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.319562][ T1049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.320205][ T1049] RIP: 0033:0x7fc166a331e7 [ 115.320560][ T1049] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 115.322089][ T1049] RSP: 002b:00007ffd4e796ed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.322784][ T1049] RAX: ffffffffffffffda RBX: 00007ffd4e797600 RCX: 00007fc166a331e7 [ 115.323500][ T1049] RDX: 0000000000000000 RSI: 00007ffd4e796f40 RDI: 0000000000000005 [ 115.323981][ T1049] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 115.324449][ T1049] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd4e797638 [ 115.324967][ T1049] R13: 00000000686e4212 R14: 0000000000499600 R15: 0000000000000000 | [ 115.459812][ T1050] ------------[ cut here ]------------ | [ 115.460178][ T1050] WARNING: CPU: 2 PID: 1050 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) | [ 115.460971][ T1050] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 115.462141][ T1050] Tainted: [W]=WARN [ 115.462403][ T1050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.462824][ T1050] 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) [ 115.463165][ T1050] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 115.464341][ T1050] RSP: 0018:ffffc90000887080 EFLAGS: 00010246 [ 115.464776][ T1050] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 115.465270][ T1050] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 115.465760][ T1050] RBP: ffffc90000887168 R08: 0000000000000000 R09: 0000000000000000 [ 115.466257][ T1050] R10: ffffc90000887198 R11: ffffffffacca8918 R12: 1ffff92000110e14 [ 115.466745][ T1050] R13: 00000000000005dc R14: ffffc90000887198 R15: ffff888009a8af08 [ 115.467246][ T1050] FS: 00007f6b9fc30800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 115.467820][ T1050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.468229][ T1050] CR2: 00000000004a1738 CR3: 0000000010132003 CR4: 0000000000772ef0 [ 115.468730][ T1050] PKRU: 55555554 [ 115.469051][ T1050] Call Trace: [ 115.469466][ T1050] [ 115.469766][ T1050] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.470382][ T1050] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 115.470848][ T1050] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 115.471297][ T1050] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 115.471638][ T1050] netif_set_mtu (net/core/dev.c:9652) [ 115.471998][ T1050] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 115.472358][ T1050] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 115.472841][ T1050] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 115.473120][ T1050] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 115.473578][ T1050] br_add_if (net/bridge/br_if.c:697) bridge [ 115.474002][ T1050] do_set_master (net/core/rtnetlink.c:2948) [ 115.474337][ T1050] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 115.474671][ T1050] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 115.475032][ T1050] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 115.475362][ T1050] ? __dev_get_by_name (net/core/dev.c:865) [ 115.475694][ T1050] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.476063][ T1050] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.476465][ T1050] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.476823][ T1050] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.477196][ T1050] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 115.477565][ T1050] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.477946][ T1050] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.478313][ T1050] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.478662][ T1050] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.479096][ T1050] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.479456][ T1050] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.479820][ T1050] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.480182][ T1050] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.480568][ T1050] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.480954][ T1050] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.481307][ T1050] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.481676][ T1050] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.482070][ T1050] ? 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) [ 115.482438][ T1050] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 115.482818][ T1050] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.483195][ T1050] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.483558][ T1050] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.483934][ T1050] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.484281][ T1050] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.484647][ T1050] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.485042][ T1050] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.485391][ T1050] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.485839][ T1050] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 115.486220][ T1050] ___sys_sendmsg (net/socket.c:2670) [ 115.486573][ T1050] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.486966][ T1050] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 115.487321][ T1050] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.487670][ T1050] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 115.488040][ T1050] ? __handle_mm_fault (mm/memory.c:6212) [ 115.488390][ T1050] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 115.488741][ T1050] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 115.489124][ T1050] __sys_sendmsg (net/socket.c:2700) [ 115.489476][ T1050] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.489825][ T1050] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 115.490183][ T1050] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 115.490556][ T1050] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.490915][ T1050] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.491262][ T1050] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.491691][ T1050] RIP: 0033:0x7f6b9fdfd1e7 [ 115.492061][ T1050] 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) [ 115.493276][ T1050] RSP: 002b:00007fff22602ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.493798][ T1050] RAX: ffffffffffffffda RBX: 00007fff22603610 RCX: 00007f6b9fdfd1e7 [ 115.494312][ T1050] RDX: 0000000000000000 RSI: 00007fff22602f50 RDI: 0000000000000005 [ 115.494841][ T1050] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 115.495358][ T1050] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff22603648 [ 115.495886][ T1050] R13: 00000000686e4212 R14: 0000000000499600 R15: 0000000000000000 | [ 115.697430][ T1052] ------------[ cut here ]------------ | [ 115.698090][ T1052] WARNING: CPU: 2 PID: 1052 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) | [ 115.699290][ T1052] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 115.701374][ T1052] Tainted: [W]=WARN [ 115.701842][ T1052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.702533][ T1052] 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) [ 115.703176][ T1052] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 115.705260][ T1052] RSP: 0018:ffffc900008c7080 EFLAGS: 00010246 [ 115.706011][ T1052] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 115.706897][ T1052] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 115.707765][ T1052] RBP: ffffc900008c7168 R08: 0000000000000000 R09: 0000000000000000 [ 115.708660][ T1052] R10: ffffc900008c7198 R11: ffffffffacca8918 R12: 1ffff92000118e14 [ 115.709579][ T1052] R13: 00000000000005dc R14: ffffc900008c7198 R15: ffff888009a8af08 [ 115.710490][ T1052] FS: 00007f923f876800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 115.711521][ T1052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.712281][ T1052] CR2: 00000000004a1738 CR3: 0000000010132001 CR4: 0000000000772ef0 [ 115.713153][ T1052] PKRU: 55555554 [ 115.713589][ T1052] Call Trace: [ 115.714045][ T1052] [ 115.714359][ T1052] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.715012][ T1052] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 115.715616][ T1052] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 115.716357][ T1052] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 115.716959][ T1052] netif_set_mtu (net/core/dev.c:9652) [ 115.717556][ T1052] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 115.718185][ T1052] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 115.719024][ T1052] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 115.719511][ T1052] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 115.720376][ T1052] br_add_if (net/bridge/br_if.c:697) bridge [ 115.721077][ T1052] do_set_master (net/core/rtnetlink.c:2948) [ 115.721674][ T1052] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 115.722299][ T1052] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 115.722942][ T1052] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 115.723556][ T1052] ? __dev_get_by_name (net/core/dev.c:865) [ 115.724174][ T1052] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.724811][ T1052] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.725223][ T1052] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.725581][ T1052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.725964][ T1052] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 115.726324][ T1052] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.726763][ T1052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.727383][ T1052] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.727744][ T1052] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.728112][ T1052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.728461][ T1052] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.728835][ T1052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.729187][ T1052] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.729544][ T1052] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.729966][ T1052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.730336][ T1052] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.730706][ T1052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.731071][ T1052] ? 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) [ 115.731422][ T1052] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 115.731803][ T1052] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.732159][ T1052] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.732520][ T1052] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.732896][ T1052] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.733249][ T1052] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.733634][ T1052] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.734251][ T1052] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.734865][ T1052] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.735483][ T1052] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 115.735895][ T1052] ___sys_sendmsg (net/socket.c:2670) [ 115.736273][ T1052] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.736634][ T1052] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 115.737004][ T1052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.737351][ T1052] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 115.737750][ T1052] ? __handle_mm_fault (mm/memory.c:6212) [ 115.738132][ T1052] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 115.738489][ T1052] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 115.738890][ T1052] __sys_sendmsg (net/socket.c:2700) [ 115.739247][ T1052] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.739594][ T1052] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 115.739974][ T1052] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 115.740339][ T1052] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.740708][ T1052] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.741073][ T1052] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.741510][ T1052] RIP: 0033:0x7f923fa431e7 [ 115.741923][ T1052] 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) [ 115.743564][ T1052] RSP: 002b:00007ffee41253a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.744256][ T1052] RAX: ffffffffffffffda RBX: 00007ffee4125ad0 RCX: 00007f923fa431e7 [ 115.744800][ T1052] RDX: 0000000000000000 RSI: 00007ffee4125410 RDI: 0000000000000005 [ 115.745316][ T1052] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 115.745888][ T1052] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffee4125b08 [ 115.746419][ T1052] R13: 00000000686e4212 R14: 0000000000499600 R15: 0000000000000000 | [ 115.902294][ T1054] ------------[ cut here ]------------ | [ 115.902630][ T1054] WARNING: CPU: 2 PID: 1054 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 115.903359][ T1054] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 115.904810][ T1054] Tainted: [W]=WARN [ 115.905067][ T1054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.905481][ T1054] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 115.905834][ T1054] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 115.906977][ T1054] RSP: 0018:ffffc90000607080 EFLAGS: 00010246 [ 115.907411][ T1054] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 115.907982][ T1054] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 115.908476][ T1054] RBP: ffffc90000607168 R08: 0000000000000000 R09: 0000000000000000 [ 115.909015][ T1054] R10: ffffc90000607198 R11: ffffffffacca8918 R12: 1ffff920000c0e14 [ 115.909546][ T1054] R13: 00000000000005dc R14: ffffc90000607198 R15: ffff888009a8af08 [ 115.910037][ T1054] FS: 00007f77ad217800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 115.910624][ T1054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.911049][ T1054] CR2: 00000000004a1738 CR3: 0000000010132003 CR4: 0000000000772ef0 [ 115.911551][ T1054] PKRU: 55555554 [ 115.911813][ T1054] Call Trace: [ 115.912071][ T1054] [ 115.912251][ T1054] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 115.912594][ T1054] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 115.912986][ T1054] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 115.913399][ T1054] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 115.913738][ T1054] netif_set_mtu (net/core/dev.c:9652) [ 115.914087][ T1054] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 115.914435][ T1054] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 115.914904][ T1054] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 115.915166][ T1054] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 115.915614][ T1054] br_add_if (net/bridge/br_if.c:697) bridge [ 115.916002][ T1054] do_set_master (net/core/rtnetlink.c:2948) [ 115.916337][ T1054] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 115.916731][ T1054] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 115.917087][ T1054] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 115.917420][ T1054] ? __dev_get_by_name (net/core/dev.c:865) [ 115.917749][ T1054] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.918091][ T1054] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 115.918437][ T1054] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 115.918764][ T1054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.919116][ T1054] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 115.919455][ T1054] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 115.919801][ T1054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.920144][ T1054] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 115.920508][ T1054] ? __lock_release (kernel/locking/lockdep.c:5539) [ 115.920931][ T1054] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 115.921286][ T1054] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 115.921641][ T1054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.922023][ T1054] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.922387][ T1054] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 115.922789][ T1054] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 115.923137][ T1054] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 115.923507][ T1054] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 115.923864][ T1054] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 115.924201][ T1054] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 115.924552][ T1054] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 115.924913][ T1054] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 115.925274][ T1054] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 115.925625][ T1054] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 115.925983][ T1054] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 115.926340][ T1054] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 115.926723][ T1054] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 115.927093][ T1054] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 115.927527][ T1054] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 115.927897][ T1054] ___sys_sendmsg (net/socket.c:2670) [ 115.928247][ T1054] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 115.928594][ T1054] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 115.928970][ T1054] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 115.929319][ T1054] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 115.929674][ T1054] ? __handle_mm_fault (mm/memory.c:6212) [ 115.930055][ T1054] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 115.930438][ T1054] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 115.930861][ T1054] __sys_sendmsg (net/socket.c:2700) [ 115.931222][ T1054] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 115.931573][ T1054] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 115.931945][ T1054] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 115.932303][ T1054] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 115.932664][ T1054] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 115.933020][ T1054] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 115.933457][ T1054] RIP: 0033:0x7f77ad3e41e7 [ 115.933832][ T1054] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 115.935100][ T1054] RSP: 002b:00007ffc36c6c4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 115.935621][ T1054] RAX: ffffffffffffffda RBX: 00007ffc36c6cbf0 RCX: 00007f77ad3e41e7 [ 115.936139][ T1054] RDX: 0000000000000000 RSI: 00007ffc36c6c530 RDI: 0000000000000005 [ 115.936646][ T1054] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 115.937178][ T1054] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc36c6cc28 [ 115.937691][ T1054] R13: 00000000686e4212 R14: 0000000000499600 R15: 0000000000000000 | [ 116.107041][ T1057] ------------[ cut here ]------------ | [ 116.107378][ T1057] WARNING: CPU: 2 PID: 1057 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) | [ 116.108115][ T1057] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 116.109295][ T1057] Tainted: [W]=WARN [ 116.109547][ T1057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.109988][ T1057] 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) [ 116.110351][ T1057] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 116.111514][ T1057] RSP: 0018:ffffc90000917080 EFLAGS: 00010246 [ 116.111956][ T1057] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 116.112452][ T1057] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 116.112980][ T1057] RBP: ffffc90000917168 R08: 0000000000000000 R09: 0000000000000000 [ 116.113489][ T1057] R10: ffffc90000917198 R11: ffffffffacca8918 R12: 1ffff92000122e14 [ 116.113990][ T1057] R13: 00000000000005dc R14: ffffc90000917198 R15: ffff888009a8af08 [ 116.114478][ T1057] FS: 00007fb87b854800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 116.115050][ T1057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.115456][ T1057] CR2: 00000000004a1738 CR3: 000000000c9f4001 CR4: 0000000000772ef0 [ 116.115950][ T1057] PKRU: 55555554 [ 116.116198][ T1057] Call Trace: [ 116.116446][ T1057] [ 116.116622][ T1057] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.116970][ T1057] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 116.117306][ T1057] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 116.117720][ T1057] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 116.118060][ T1057] netif_set_mtu (net/core/dev.c:9652) [ 116.118394][ T1057] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 116.118766][ T1057] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 116.119243][ T1057] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 116.119495][ T1057] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 116.119956][ T1057] br_add_if (net/bridge/br_if.c:697) bridge [ 116.120351][ T1057] do_set_master (net/core/rtnetlink.c:2948) [ 116.120689][ T1057] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 116.121029][ T1057] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 116.121364][ T1057] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 116.121698][ T1057] ? __dev_get_by_name (net/core/dev.c:865) [ 116.122037][ T1057] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.122362][ T1057] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.122700][ T1057] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.123034][ T1057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.123371][ T1057] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 116.123708][ T1057] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.124050][ T1057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.124390][ T1057] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.124744][ T1057] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.125082][ T1057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.125421][ T1057] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.125749][ T1057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.126096][ T1057] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.126436][ T1057] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.126779][ T1057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.127120][ T1057] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.127476][ T1057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.127824][ T1057] ? 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) [ 116.128160][ T1057] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 116.128497][ T1057] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.128836][ T1057] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.129175][ T1057] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.129511][ T1057] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.129869][ T1057] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.130211][ T1057] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.130556][ T1057] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.130894][ T1057] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.131303][ T1057] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 116.131641][ T1057] ___sys_sendmsg (net/socket.c:2670) [ 116.131993][ T1057] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.132353][ T1057] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 116.132715][ T1057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.133076][ T1057] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 116.133440][ T1057] ? __handle_mm_fault (mm/memory.c:6212) [ 116.133781][ T1057] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 116.134107][ T1057] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 116.134741][ T1057] __sys_sendmsg (net/socket.c:2700) [ 116.135076][ T1057] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.135452][ T1057] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 116.135805][ T1057] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 116.136139][ T1057] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.136471][ T1057] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.136836][ T1057] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.137240][ T1057] RIP: 0033:0x7fb87ba211e7 [ 116.137606][ T1057] 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) [ 116.138818][ T1057] RSP: 002b:00007ffcfb644d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.139312][ T1057] RAX: ffffffffffffffda RBX: 00007ffcfb645490 RCX: 00007fb87ba211e7 [ 116.139810][ T1057] RDX: 0000000000000000 RSI: 00007ffcfb644dd0 RDI: 0000000000000005 [ 116.140317][ T1057] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 116.140822][ T1057] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcfb6454c8 [ 116.141310][ T1057] R13: 00000000686e4212 R14: 0000000000499600 R15: 0000000000000000 | [ 116.292881][ T1058] ------------[ cut here ]------------ | [ 116.293211][ T1058] WARNING: CPU: 0 PID: 1058 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 116.293924][ T1058] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 116.295098][ T1058] Tainted: [W]=WARN [ 116.295349][ T1058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.295791][ T1058] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 116.296123][ T1058] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 116.297269][ T1058] RSP: 0018:ffffc900008a7080 EFLAGS: 00010246 [ 116.297686][ T1058] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 116.298173][ T1058] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 116.298650][ T1058] RBP: ffffc900008a7168 R08: 0000000000000000 R09: 0000000000000000 [ 116.299144][ T1058] R10: ffffc900008a7198 R11: ffffffffacca8918 R12: 1ffff92000114e14 [ 116.299643][ T1058] R13: 00000000000005dc R14: ffffc900008a7198 R15: ffff888009a8af08 [ 116.300137][ T1058] FS: 00007f2d252b3800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 116.300723][ T1058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.301130][ T1058] CR2: 00000000004a1738 CR3: 00000000092ad005 CR4: 0000000000772ef0 [ 116.301653][ T1058] PKRU: 55555554 [ 116.301900][ T1058] Call Trace: [ 116.302151][ T1058] [ 116.302320][ T1058] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.302652][ T1058] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 116.302986][ T1058] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 116.303394][ T1058] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 116.303746][ T1058] netif_set_mtu (net/core/dev.c:9652) [ 116.304077][ T1058] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 116.304423][ T1058] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 116.304910][ T1058] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 116.305152][ T1058] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 116.305604][ T1058] br_add_if (net/bridge/br_if.c:697) bridge [ 116.305988][ T1058] do_set_master (net/core/rtnetlink.c:2948) [ 116.306321][ T1058] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 116.306656][ T1058] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 116.306991][ T1058] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 116.307313][ T1058] ? __dev_get_by_name (net/core/dev.c:865) [ 116.307664][ T1058] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.308008][ T1058] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.308337][ T1058] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.308658][ T1058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.309014][ T1058] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 116.309359][ T1058] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.309698][ T1058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.310046][ T1058] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.310382][ T1058] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.310714][ T1058] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.311048][ T1058] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.311371][ T1058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.311748][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.312096][ T1058] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.312428][ T1058] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.312761][ T1058] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.313102][ T1058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.313416][ T1058] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 116.313758][ T1058] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 116.314103][ T1058] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.314433][ T1058] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.314766][ T1058] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.315110][ T1058] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.315442][ T1058] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.315821][ T1058] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.316160][ T1058] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.316490][ T1058] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.316915][ T1058] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 116.317262][ T1058] ___sys_sendmsg (net/socket.c:2670) [ 116.317593][ T1058] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.317929][ T1058] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 116.318264][ T1058] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.318591][ T1058] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 116.318935][ T1058] ? __handle_mm_fault (mm/memory.c:6212) [ 116.319272][ T1058] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 116.319602][ T1058] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 116.319985][ T1058] __sys_sendmsg (net/socket.c:2700) [ 116.320341][ T1058] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.320684][ T1058] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 116.321040][ T1058] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 116.321375][ T1058] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.321715][ T1058] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.322064][ T1058] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.322486][ T1058] RIP: 0033:0x7f2d254801e7 [ 116.322832][ T1058] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 116.324058][ T1058] RSP: 002b:00007fff7ba72de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.324572][ T1058] RAX: ffffffffffffffda RBX: 00007fff7ba73510 RCX: 00007f2d254801e7 [ 116.325086][ T1058] RDX: 0000000000000000 RSI: 00007fff7ba72e50 RDI: 0000000000000005 [ 116.325598][ T1058] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 116.326113][ T1058] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff7ba73548 [ 116.326623][ T1058] R13: 00000000686e4213 R14: 0000000000499600 R15: 0000000000000000 | [ 116.556209][ T1060] ------------[ cut here ]------------ | [ 116.556551][ T1060] WARNING: CPU: 3 PID: 1060 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) | [ 116.557269][ T1060] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 116.558422][ T1060] Tainted: [W]=WARN [ 116.558662][ T1060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.559069][ T1060] 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) [ 116.559402][ T1060] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 116.560562][ T1060] RSP: 0018:ffffc90000917080 EFLAGS: 00010246 [ 116.560973][ T1060] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 116.561455][ T1060] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 116.561942][ T1060] RBP: ffffc90000917168 R08: 0000000000000000 R09: 0000000000000000 [ 116.562448][ T1060] R10: ffffc90000917198 R11: ffffffffacca8918 R12: 1ffff92000122e14 [ 116.562939][ T1060] R13: 00000000000005dc R14: ffffc90000917198 R15: ffff888009a8af08 [ 116.563426][ T1060] FS: 00007fc6e5254800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 116.563998][ T1060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.564416][ T1060] CR2: 00000000004a1738 CR3: 000000000e0ec003 CR4: 0000000000772ef0 [ 116.564920][ T1060] PKRU: 55555554 [ 116.565160][ T1060] Call Trace: [ 116.565401][ T1060] [ 116.565567][ T1060] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.565901][ T1060] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 116.566233][ T1060] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 116.566639][ T1060] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 116.566967][ T1060] netif_set_mtu (net/core/dev.c:9652) [ 116.567291][ T1060] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 116.567623][ T1060] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 116.568081][ T1060] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 116.568328][ T1060] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 116.568776][ T1060] br_add_if (net/bridge/br_if.c:697) bridge [ 116.569141][ T1060] do_set_master (net/core/rtnetlink.c:2948) [ 116.569471][ T1060] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 116.569805][ T1060] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 116.570133][ T1060] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 116.570467][ T1060] ? __dev_get_by_name (net/core/dev.c:865) [ 116.570802][ T1060] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.571124][ T1060] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.571451][ T1060] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.571782][ T1060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.572112][ T1060] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 116.572439][ T1060] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.572762][ T1060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.573095][ T1060] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.573422][ T1060] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.573744][ T1060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.574067][ T1060] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.574392][ T1060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.574712][ T1060] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.575044][ T1060] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.575375][ T1060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.575694][ T1060] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.576041][ T1060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.576361][ T1060] ? 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) [ 116.576684][ T1060] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 116.577014][ T1060] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.577339][ T1060] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.577672][ T1060] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.578008][ T1060] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.578330][ T1060] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.578659][ T1060] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.578993][ T1060] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.579316][ T1060] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.579718][ T1060] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 116.580057][ T1060] ___sys_sendmsg (net/socket.c:2670) [ 116.580397][ T1060] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.580714][ T1060] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 116.581046][ T1060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.581363][ T1060] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 116.581688][ T1060] ? __handle_mm_fault (mm/memory.c:6212) [ 116.582021][ T1060] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 116.582344][ T1060] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 116.582679][ T1060] __sys_sendmsg (net/socket.c:2700) [ 116.582999][ T1060] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.583324][ T1060] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 116.583647][ T1060] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 116.583976][ T1060] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.584300][ T1060] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.584623][ T1060] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.585035][ T1060] RIP: 0033:0x7fc6e54211e7 [ 116.585367][ T1060] 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) [ 116.586525][ T1060] RSP: 002b:00007fff05200978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.587027][ T1060] RAX: ffffffffffffffda RBX: 00007fff052010a0 RCX: 00007fc6e54211e7 [ 116.587509][ T1060] RDX: 0000000000000000 RSI: 00007fff052009e0 RDI: 0000000000000005 [ 116.588008][ T1060] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 116.588481][ T1060] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff052010d8 [ 116.588967][ T1060] R13: 00000000686e4213 R14: 0000000000499600 R15: 0000000000000000 | [ 116.762359][ T1062] ------------[ cut here ]------------ | [ 116.762679][ T1062] WARNING: CPU: 3 PID: 1062 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 116.763395][ T1062] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 116.764546][ T1062] Tainted: [W]=WARN [ 116.764803][ T1062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.765198][ T1062] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 116.765524][ T1062] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 116.766674][ T1062] RSP: 0018:ffffc90000507080 EFLAGS: 00010246 [ 116.767096][ T1062] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 116.767642][ T1062] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 116.768150][ T1062] RBP: ffffc90000507168 R08: 0000000000000000 R09: 0000000000000000 [ 116.768652][ T1062] R10: ffffc90000507198 R11: ffffffffacca8918 R12: 1ffff920000a0e14 [ 116.769167][ T1062] R13: 00000000000005dc R14: ffffc90000507198 R15: ffff888009a8af08 [ 116.769677][ T1062] FS: 00007f9aeef28800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 116.770262][ T1062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.770676][ T1062] CR2: 00000000004a1738 CR3: 000000000e0ec006 CR4: 0000000000772ef0 [ 116.771166][ T1062] PKRU: 55555554 [ 116.771410][ T1062] Call Trace: [ 116.771650][ T1062] [ 116.771822][ T1062] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.772150][ T1062] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 116.772477][ T1062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 116.772891][ T1062] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 116.773212][ T1062] netif_set_mtu (net/core/dev.c:9652) [ 116.773536][ T1062] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 116.773873][ T1062] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 116.774326][ T1062] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 116.774565][ T1062] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 116.775012][ T1062] br_add_if (net/bridge/br_if.c:697) bridge [ 116.775392][ T1062] do_set_master (net/core/rtnetlink.c:2948) [ 116.775722][ T1062] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 116.776053][ T1062] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 116.776384][ T1062] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 116.776706][ T1062] ? __dev_get_by_name (net/core/dev.c:865) [ 116.777032][ T1062] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.777358][ T1062] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.777712][ T1062] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.778032][ T1062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.778354][ T1062] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 116.778680][ T1062] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.779007][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.779335][ T1062] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.779652][ T1062] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.779978][ T1062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.780303][ T1062] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.780625][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.780955][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.781280][ T1062] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.781604][ T1062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.781937][ T1062] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.782274][ T1062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.782592][ T1062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 116.782921][ T1062] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 116.783246][ T1062] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.783565][ T1062] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.783902][ T1062] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.784223][ T1062] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.784573][ T1062] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.784935][ T1062] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.785264][ T1062] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.785582][ T1062] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.785991][ T1062] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 116.786314][ T1062] ___sys_sendmsg (net/socket.c:2670) [ 116.786633][ T1062] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.786954][ T1062] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 116.787275][ T1062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.787587][ T1062] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 116.787917][ T1062] ? __handle_mm_fault (mm/memory.c:6212) [ 116.788237][ T1062] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 116.788557][ T1062] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 116.788896][ T1062] __sys_sendmsg (net/socket.c:2700) [ 116.789214][ T1062] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.789532][ T1062] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 116.789865][ T1062] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 116.790185][ T1062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.790519][ T1062] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.790846][ T1062] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.791239][ T1062] RIP: 0033:0x7f9aef0f51e7 [ 116.791566][ T1062] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 116.792703][ T1062] RSP: 002b:00007ffea6445e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.793191][ T1062] RAX: ffffffffffffffda RBX: 00007ffea64465b0 RCX: 00007f9aef0f51e7 [ 116.793668][ T1062] RDX: 0000000000000000 RSI: 00007ffea6445ef0 RDI: 0000000000000005 [ 116.794154][ T1062] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 116.794646][ T1062] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea64465e8 [ 116.795137][ T1062] R13: 00000000686e4213 R14: 0000000000499600 R15: 0000000000000000 | [ 116.936145][ T1064] ------------[ cut here ]------------ | [ 116.936479][ T1064] WARNING: CPU: 3 PID: 1064 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) | [ 116.937165][ T1064] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 116.938385][ T1064] Tainted: [W]=WARN [ 116.938642][ T1064] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 116.939077][ T1064] 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) [ 116.939446][ T1064] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 116.940683][ T1064] RSP: 0018:ffffc90000567080 EFLAGS: 00010246 [ 116.941111][ T1064] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 116.941623][ T1064] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 116.942133][ T1064] RBP: ffffc90000567168 R08: 0000000000000000 R09: 0000000000000000 [ 116.942640][ T1064] R10: ffffc90000567198 R11: ffffffffacca8918 R12: 1ffff920000ace14 [ 116.943130][ T1064] R13: 00000000000005dc R14: ffffc90000567198 R15: ffff888009a8af08 [ 116.943639][ T1064] FS: 00007f3c13cb2800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 116.944225][ T1064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.944627][ T1064] CR2: 00000000004a1738 CR3: 000000000e0ec003 CR4: 0000000000772ef0 [ 116.945113][ T1064] PKRU: 55555554 [ 116.945351][ T1064] Call Trace: [ 116.945589][ T1064] [ 116.945756][ T1064] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 116.946097][ T1064] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 116.946424][ T1064] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 116.946845][ T1064] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 116.947176][ T1064] netif_set_mtu (net/core/dev.c:9652) [ 116.947501][ T1064] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 116.947853][ T1064] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 116.948316][ T1064] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 116.948560][ T1064] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 116.949023][ T1064] br_add_if (net/bridge/br_if.c:697) bridge [ 116.949411][ T1064] do_set_master (net/core/rtnetlink.c:2948) [ 116.949741][ T1064] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 116.950095][ T1064] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 116.950460][ T1064] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 116.950798][ T1064] ? __dev_get_by_name (net/core/dev.c:865) [ 116.951131][ T1064] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.951484][ T1064] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 116.951853][ T1064] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 116.952188][ T1064] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.952515][ T1064] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 116.952869][ T1064] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 116.953212][ T1064] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.953554][ T1064] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 116.953899][ T1064] ? __lock_release (kernel/locking/lockdep.c:5539) [ 116.954247][ T1064] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 116.954580][ T1064] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 116.954919][ T1064] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.955253][ T1064] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.955597][ T1064] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 116.955958][ T1064] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 116.956295][ T1064] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 116.956669][ T1064] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 116.957017][ T1064] ? 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) [ 116.957341][ T1064] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 116.957719][ T1064] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 116.958065][ T1064] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 116.958415][ T1064] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 116.958739][ T1064] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 116.959076][ T1064] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 116.959411][ T1064] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 116.959748][ T1064] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 116.960081][ T1064] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 116.960505][ T1064] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 116.960855][ T1064] ___sys_sendmsg (net/socket.c:2670) [ 116.961177][ T1064] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 116.961500][ T1064] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 116.961837][ T1064] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 116.962181][ T1064] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 116.962506][ T1064] ? __handle_mm_fault (mm/memory.c:6212) [ 116.962844][ T1064] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 116.963176][ T1064] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 116.963513][ T1064] __sys_sendmsg (net/socket.c:2700) [ 116.963848][ T1064] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 116.964173][ T1064] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 116.964503][ T1064] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 116.964851][ T1064] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 116.965176][ T1064] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 116.965496][ T1064] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 116.965926][ T1064] RIP: 0033:0x7f3c13e7f1e7 [ 116.966265][ T1064] 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) [ 116.967399][ T1064] RSP: 002b:00007ffef05da788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.967892][ T1064] RAX: ffffffffffffffda RBX: 00007ffef05daeb0 RCX: 00007f3c13e7f1e7 [ 116.968380][ T1064] RDX: 0000000000000000 RSI: 00007ffef05da7f0 RDI: 0000000000000005 [ 116.968869][ T1064] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 116.969345][ T1064] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffef05daee8 [ 116.969830][ T1064] R13: 00000000686e4213 R14: 0000000000499600 R15: 0000000000000000 | [ 117.131098][ T1066] ------------[ cut here ]------------ | [ 117.131453][ T1066] WARNING: CPU: 2 PID: 1066 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 117.132209][ T1066] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 117.133436][ T1066] Tainted: [W]=WARN [ 117.133699][ T1066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 117.134133][ T1066] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 117.134487][ T1066] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 117.135682][ T1066] RSP: 0018:ffffc90000507080 EFLAGS: 00010246 [ 117.136121][ T1066] RAX: 0000000000000000 RBX: ffff888009a8a000 RCX: 0000000000000001 [ 117.136623][ T1066] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 117.137141][ T1066] RBP: ffffc90000507168 R08: 0000000000000000 R09: 0000000000000000 [ 117.137646][ T1066] R10: ffffc90000507198 R11: ffffffffacca8918 R12: 1ffff920000a0e14 [ 117.138162][ T1066] R13: 00000000000005dc R14: ffffc90000507198 R15: ffff888009a8af08 [ 117.138667][ T1066] FS: 00007f79ddc3f800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 117.139265][ T1066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.139688][ T1066] CR2: 00000000004a1738 CR3: 000000000e0ec004 CR4: 0000000000772ef0 [ 117.140206][ T1066] PKRU: 55555554 [ 117.140480][ T1066] Call Trace: [ 117.140740][ T1066] [ 117.140933][ T1066] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 117.141288][ T1066] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 117.141639][ T1066] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 117.142074][ T1066] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 117.142419][ T1066] netif_set_mtu (net/core/dev.c:9652) [ 117.142764][ T1066] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 117.143124][ T1066] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 117.143607][ T1066] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 117.143881][ T1066] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 117.144358][ T1066] br_add_if (net/bridge/br_if.c:697) bridge [ 117.144755][ T1066] do_set_master (net/core/rtnetlink.c:2948) [ 117.145111][ T1066] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 117.145469][ T1066] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 117.145837][ T1066] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 117.146180][ T1066] ? __dev_get_by_name (net/core/dev.c:865) [ 117.146529][ T1066] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.146893][ T1066] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 117.147248][ T1066] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 117.147593][ T1066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.147958][ T1066] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 117.148311][ T1066] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 117.148670][ T1066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.149037][ T1066] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 117.149385][ T1066] ? __lock_release (kernel/locking/lockdep.c:5539) [ 117.149740][ T1066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 117.150112][ T1066] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 117.150475][ T1066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.150845][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.151199][ T1066] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 117.151550][ T1066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 117.151910][ T1066] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 117.152268][ T1066] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 117.152611][ T1066] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 117.152979][ T1066] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 117.153333][ T1066] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 117.153682][ T1066] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 117.154051][ T1066] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 117.154409][ T1066] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 117.154761][ T1066] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 117.155130][ T1066] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 117.155488][ T1066] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 117.155844][ T1066] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 117.156278][ T1066] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 117.156630][ T1066] ___sys_sendmsg (net/socket.c:2670) [ 117.156991][ T1066] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 117.157339][ T1066] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 117.157688][ T1066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 117.158046][ T1066] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 117.158412][ T1066] ? __handle_mm_fault (mm/memory.c:6212) [ 117.158764][ T1066] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 117.159131][ T1066] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 117.159507][ T1066] __sys_sendmsg (net/socket.c:2700) [ 117.159874][ T1066] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 117.160223][ T1066] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 117.160605][ T1066] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 117.160982][ T1066] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 117.161341][ T1066] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 117.161694][ T1066] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 117.162136][ T1066] RIP: 0033:0x7f79dde0c1e7 [ 117.162492][ T1066] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 117.163707][ T1066] RSP: 002b:00007ffc87ab36c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 117.164235][ T1066] RAX: ffffffffffffffda RBX: 00007ffc87ab3df0 RCX: 00007f79dde0c1e7 [ 117.164751][ T1066] RDX: 0000000000000000 RSI: 00007ffc87ab3730 RDI: 0000000000000005 [ 117.165277][ T1066] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 117.165801][ T1066] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc87ab3e28 [ 117.166333][ T1066] R13: 00000000686e4213 R14: 0000000000499600 R15: 0000000000000000 | [ 152.620856][ T1288] ------------[ cut here ]------------ | [ 152.621224][ T1288] WARNING: CPU: 2 PID: 1288 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) | [ 152.622191][ T1288] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 152.623439][ T1288] Tainted: [W]=WARN [ 152.623708][ T1288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 152.624146][ T1288] 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) [ 152.624512][ T1288] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 152.625763][ T1288] RSP: 0018:ffffc90000ee7080 EFLAGS: 00010246 [ 152.626232][ T1288] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 152.626754][ T1288] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 152.627285][ T1288] RBP: ffffc90000ee7168 R08: 0000000000000000 R09: 0000000000000000 [ 152.627808][ T1288] R10: ffffc90000ee7198 R11: ffffffffacca8918 R12: 1ffff920001dce14 [ 152.628346][ T1288] R13: 00000000000005dc R14: ffffc90000ee7198 R15: ffff888010702f08 [ 152.628873][ T1288] FS: 00007f9218dd7800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 152.629486][ T1288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 152.629953][ T1288] CR2: 0000000000406141 CR3: 000000000b831002 CR4: 0000000000772ef0 [ 152.630488][ T1288] PKRU: 55555554 [ 152.630752][ T1288] Call Trace: [ 152.631027][ T1288] [ 152.631215][ T1288] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 152.631573][ T1288] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 152.631936][ T1288] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 152.632377][ T1288] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 152.632734][ T1288] netif_set_mtu (net/core/dev.c:9652) [ 152.633113][ T1288] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 152.633507][ T1288] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 152.634324][ T1288] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 152.634800][ T1288] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 152.635575][ T1288] br_add_if (net/bridge/br_if.c:697) bridge [ 152.636269][ T1288] do_set_master (net/core/rtnetlink.c:2948) [ 152.636863][ T1288] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 152.637404][ T1288] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 152.638011][ T1288] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 152.638581][ T1288] ? __dev_get_by_name (net/core/dev.c:865) [ 152.639183][ T1288] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 152.639764][ T1288] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 152.640356][ T1288] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 152.640935][ T1288] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 152.641504][ T1288] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 152.642100][ T1288] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 152.642658][ T1288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 152.643229][ T1288] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 152.643707][ T1288] ? __lock_release (kernel/locking/lockdep.c:5539) [ 152.644256][ T1288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 152.644823][ T1288] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 152.645385][ T1288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 152.645993][ T1288] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 152.646596][ T1288] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 152.647227][ T1288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 152.647834][ T1288] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 152.648438][ T1288] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 152.649044][ T1288] ? 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) [ 152.649636][ T1288] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 152.650303][ T1288] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 152.650921][ T1288] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 152.651527][ T1288] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 152.652157][ T1288] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 152.652750][ T1288] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 152.653383][ T1288] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 152.654012][ T1288] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 152.654595][ T1288] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 152.655311][ T1288] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 152.655899][ T1288] ___sys_sendmsg (net/socket.c:2670) [ 152.656482][ T1288] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 152.657082][ T1288] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 152.657664][ T1288] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 152.658283][ T1288] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 152.658887][ T1288] ? __handle_mm_fault (mm/memory.c:6212) [ 152.659452][ T1288] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 152.660025][ T1288] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 152.660645][ T1288] __sys_sendmsg (net/socket.c:2700) [ 152.661258][ T1288] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 152.661859][ T1288] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 152.662464][ T1288] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 152.663060][ T1288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 152.663637][ T1288] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 152.664242][ T1288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 152.664966][ T1288] RIP: 0033:0x7f9218fa41e7 [ 152.665568][ T1288] 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) [ 152.667632][ T1288] RSP: 002b:00007ffcc24bfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.668520][ T1288] RAX: ffffffffffffffda RBX: 00007ffcc24c03a0 RCX: 00007f9218fa41e7 [ 152.669399][ T1288] RDX: 0000000000000000 RSI: 00007ffcc24bfce0 RDI: 0000000000000005 [ 152.670299][ T1288] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 152.671185][ T1288] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc24c03d8 [ 152.672062][ T1288] R13: 00000000686e4237 R14: 0000000000499600 R15: 0000000000000000 | [ 152.877152][ T1289] ------------[ cut here ]------------ | [ 152.877516][ T1289] WARNING: CPU: 0 PID: 1289 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) | [ 152.878220][ T1289] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 152.879538][ T1289] Tainted: [W]=WARN [ 152.879822][ T1289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 152.880266][ T1289] 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) [ 152.880658][ T1289] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 152.881891][ T1289] RSP: 0018:ffffc90000c97080 EFLAGS: 00010246 [ 152.882339][ T1289] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 152.882866][ T1289] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 152.883372][ T1289] RBP: ffffc90000c97168 R08: 0000000000000000 R09: 0000000000000000 [ 152.883898][ T1289] R10: ffffc90000c97198 R11: ffffffffacca8918 R12: 1ffff92000192e14 [ 152.884402][ T1289] R13: 00000000000005dc R14: ffffc90000c97198 R15: ffff888010702f08 [ 152.884910][ T1289] FS: 00007fbd046d8800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 152.885520][ T1289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 152.885946][ T1289] CR2: 00000000004a1738 CR3: 000000000211a006 CR4: 0000000000772ef0 [ 152.886453][ T1289] PKRU: 55555554 [ 152.886724][ T1289] Call Trace: [ 152.886989][ T1289] [ 152.887161][ T1289] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 152.887499][ T1289] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 152.887859][ T1289] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 152.888304][ T1289] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 152.888640][ T1289] netif_set_mtu (net/core/dev.c:9652) [ 152.888993][ T1289] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 152.889352][ T1289] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 152.889850][ T1289] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 152.890113][ T1289] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 152.890579][ T1289] br_add_if (net/bridge/br_if.c:697) bridge [ 152.890992][ T1289] do_set_master (net/core/rtnetlink.c:2948) [ 152.891346][ T1289] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 152.891695][ T1289] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 152.892041][ T1289] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 152.892374][ T1289] ? __dev_get_by_name (net/core/dev.c:865) [ 152.892731][ T1289] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 152.893146][ T1289] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 152.893479][ T1289] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 152.893809][ T1289] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 152.894158][ T1289] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 152.894493][ T1289] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 152.894848][ T1289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 152.895188][ T1289] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 152.895505][ T1289] ? __lock_release (kernel/locking/lockdep.c:5539) [ 152.895859][ T1289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 152.896182][ T1289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 152.896504][ T1289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 152.896839][ T1289] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 152.897190][ T1289] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 152.897515][ T1289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 152.897848][ T1289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 152.898180][ T1289] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 152.898504][ T1289] ? 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) [ 152.898857][ T1289] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 152.899187][ T1289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 152.899514][ T1289] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 152.899860][ T1289] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 152.900212][ T1289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 152.900597][ T1289] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 152.900941][ T1289] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 152.901272][ T1289] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 152.901592][ T1289] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 152.902007][ T1289] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 152.902336][ T1289] ___sys_sendmsg (net/socket.c:2670) [ 152.902656][ T1289] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 152.902989][ T1289] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 152.903311][ T1289] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 152.903628][ T1289] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 152.903979][ T1289] ? __handle_mm_fault (mm/memory.c:6212) [ 152.904301][ T1289] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 152.904621][ T1289] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 152.904984][ T1289] __sys_sendmsg (net/socket.c:2700) [ 152.905311][ T1289] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 152.905627][ T1289] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 152.905967][ T1289] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 152.906294][ T1289] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 152.906621][ T1289] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 152.906952][ T1289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 152.907350][ T1289] RIP: 0033:0x7fbd048a51e7 [ 152.907683][ T1289] 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) [ 152.908844][ T1289] RSP: 002b:00007fffad595578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 152.909335][ T1289] RAX: ffffffffffffffda RBX: 00007fffad595ca0 RCX: 00007fbd048a51e7 [ 152.909833][ T1289] RDX: 0000000000000000 RSI: 00007fffad5955e0 RDI: 0000000000000005 [ 152.910328][ T1289] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 152.910821][ T1289] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffad595cd8 [ 152.911305][ T1289] R13: 00000000686e4237 R14: 0000000000499600 R15: 0000000000000000 | [ 153.059809][ T1292] ------------[ cut here ]------------ | [ 153.060236][ T1292] WARNING: CPU: 2 PID: 1292 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) | [ 153.060923][ T1292] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 153.062149][ T1292] Tainted: [W]=WARN [ 153.062419][ T1292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 153.062863][ T1292] 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) [ 153.063230][ T1292] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 153.064454][ T1292] RSP: 0018:ffffc90000ee7080 EFLAGS: 00010246 [ 153.064913][ T1292] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 153.065433][ T1292] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 153.065969][ T1292] RBP: ffffc90000ee7168 R08: 0000000000000000 R09: 0000000000000000 [ 153.066496][ T1292] R10: ffffc90000ee7198 R11: ffffffffacca8918 R12: 1ffff920001dce14 [ 153.067032][ T1292] R13: 00000000000005dc R14: ffffc90000ee7198 R15: ffff888010702f08 [ 153.067558][ T1292] FS: 00007fa4928a6800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 153.068151][ T1292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 153.068577][ T1292] CR2: 00000000004a1738 CR3: 00000000050c3001 CR4: 0000000000772ef0 [ 153.069084][ T1292] PKRU: 55555554 [ 153.069338][ T1292] Call Trace: [ 153.069589][ T1292] [ 153.069781][ T1292] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 153.070125][ T1292] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 153.070472][ T1292] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 153.070894][ T1292] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 153.071245][ T1292] netif_set_mtu (net/core/dev.c:9652) [ 153.071592][ T1292] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 153.071964][ T1292] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 153.072441][ T1292] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 153.072711][ T1292] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 153.073199][ T1292] br_add_if (net/bridge/br_if.c:697) bridge [ 153.073591][ T1292] do_set_master (net/core/rtnetlink.c:2948) [ 153.073948][ T1292] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 153.074288][ T1292] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 153.074633][ T1292] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 153.074981][ T1292] ? __dev_get_by_name (net/core/dev.c:865) [ 153.075327][ T1292] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 153.075706][ T1292] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 153.076077][ T1292] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 153.076424][ T1292] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 153.076809][ T1292] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 153.077184][ T1292] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 153.077545][ T1292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 153.077924][ T1292] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 153.078279][ T1292] ? __lock_release (kernel/locking/lockdep.c:5539) [ 153.078634][ T1292] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 153.079004][ T1292] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 153.079363][ T1292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 153.079717][ T1292] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 153.080096][ T1292] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 153.080473][ T1292] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 153.080852][ T1292] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 153.081225][ T1292] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 153.081581][ T1292] ? 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) [ 153.081958][ T1292] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 153.082319][ T1292] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 153.082667][ T1292] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 153.083023][ T1292] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 153.083394][ T1292] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 153.083762][ T1292] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 153.084150][ T1292] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 153.084502][ T1292] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 153.084872][ T1292] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 153.085307][ T1292] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 153.085681][ T1292] ___sys_sendmsg (net/socket.c:2670) [ 153.086045][ T1292] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 153.086396][ T1292] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 153.086748][ T1292] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 153.087110][ T1292] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 153.087466][ T1292] ? __handle_mm_fault (mm/memory.c:6212) [ 153.087823][ T1292] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 153.088170][ T1292] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 153.088539][ T1292] __sys_sendmsg (net/socket.c:2700) [ 153.088905][ T1292] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 153.089256][ T1292] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 153.089614][ T1292] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 153.089978][ T1292] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 153.090348][ T1292] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 153.090712][ T1292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 153.091167][ T1292] RIP: 0033:0x7fa492a731e7 [ 153.091531][ T1292] 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) [ 153.092760][ T1292] RSP: 002b:00007ffe34f55258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.093271][ T1292] RAX: ffffffffffffffda RBX: 00007ffe34f55980 RCX: 00007fa492a731e7 [ 153.093779][ T1292] RDX: 0000000000000000 RSI: 00007ffe34f552c0 RDI: 0000000000000005 [ 153.094272][ T1292] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 153.094777][ T1292] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe34f559b8 [ 153.095511][ T1292] R13: 00000000686e4237 R14: 0000000000499600 R15: 0000000000000000 | [ 153.275440][ T1295] ------------[ cut here ]------------ | [ 153.275816][ T1295] WARNING: CPU: 0 PID: 1295 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) | [ 153.276518][ T1295] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 153.277780][ T1295] Tainted: [W]=WARN [ 153.278050][ T1295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 153.278478][ T1295] 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) [ 153.278846][ T1295] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 153.280105][ T1295] RSP: 0000:ffffc90000b97080 EFLAGS: 00010246 [ 153.280565][ T1295] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 153.281099][ T1295] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 153.281642][ T1295] RBP: ffffc90000b97168 R08: 0000000000000000 R09: 0000000000000000 [ 153.282155][ T1295] R10: ffffc90000b97198 R11: ffffffffacca8918 R12: 1ffff92000172e14 [ 153.282658][ T1295] R13: 00000000000005dc R14: ffffc90000b97198 R15: ffff888010702f08 [ 153.283175][ T1295] FS: 00007fc16f4d2800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 153.283812][ T1295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 153.284258][ T1295] CR2: 00007f4efced0420 CR3: 00000000090bb002 CR4: 0000000000772ef0 [ 153.284797][ T1295] PKRU: 55555554 [ 153.285059][ T1295] Call Trace: [ 153.285323][ T1295] [ 153.285511][ T1295] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 153.285883][ T1295] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 153.286234][ T1295] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 153.286673][ T1295] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 153.287036][ T1295] netif_set_mtu (net/core/dev.c:9652) [ 153.287392][ T1295] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 153.287753][ T1295] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 153.288262][ T1295] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 153.288531][ T1295] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 153.289025][ T1295] br_add_if (net/bridge/br_if.c:697) bridge [ 153.289421][ T1295] do_set_master (net/core/rtnetlink.c:2948) [ 153.289781][ T1295] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 153.290132][ T1295] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 153.290487][ T1295] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 153.290849][ T1295] ? __dev_get_by_name (net/core/dev.c:865) [ 153.291200][ T1295] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 153.291549][ T1295] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 153.291917][ T1295] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 153.292269][ T1295] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 153.292621][ T1295] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 153.292992][ T1295] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 153.293352][ T1295] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 153.293712][ T1295] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 153.294073][ T1295] ? __lock_release (kernel/locking/lockdep.c:5539) [ 153.294422][ T1295] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 153.294781][ T1295] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 153.295132][ T1295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 153.295487][ T1295] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 153.295858][ T1295] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 153.296209][ T1295] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 153.296565][ T1295] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 153.296940][ T1295] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 153.297294][ T1295] ? 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) [ 153.297650][ T1295] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 153.298014][ T1295] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 153.298374][ T1295] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 153.298735][ T1295] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 153.299097][ T1295] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 153.299449][ T1295] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 153.299816][ T1295] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 153.300175][ T1295] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 153.300535][ T1295] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 153.300983][ T1295] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 153.301341][ T1295] ___sys_sendmsg (net/socket.c:2670) [ 153.301677][ T1295] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 153.302017][ T1295] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 153.302348][ T1295] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 153.302683][ T1295] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 153.303034][ T1295] ? __handle_mm_fault (mm/memory.c:6212) [ 153.303372][ T1295] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 153.303717][ T1295] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 153.304091][ T1295] __sys_sendmsg (net/socket.c:2700) [ 153.304440][ T1295] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 153.304796][ T1295] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 153.305152][ T1295] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 153.305513][ T1295] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 153.305877][ T1295] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 153.306229][ T1295] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 153.306668][ T1295] RIP: 0033:0x7fc16f69f1e7 [ 153.307038][ T1295] 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) [ 153.308305][ T1295] RSP: 002b:00007fffa12eb5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.308846][ T1295] RAX: ffffffffffffffda RBX: 00007fffa12ebcd0 RCX: 00007fc16f69f1e7 [ 153.309378][ T1295] RDX: 0000000000000000 RSI: 00007fffa12eb610 RDI: 0000000000000005 [ 153.309891][ T1295] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 153.310405][ T1295] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffa12ebd08 [ 153.310918][ T1295] R13: 00000000686e4238 R14: 0000000000499600 R15: 0000000000000000 | [ 153.504287][ T1298] ------------[ cut here ]------------ | [ 153.504740][ T1298] WARNING: CPU: 1 PID: 1298 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) | [ 153.505625][ T1298] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 153.507238][ T1298] Tainted: [W]=WARN [ 153.507572][ T1298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 153.508221][ T1298] 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) [ 153.508607][ T1298] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 153.509893][ T1298] RSP: 0018:ffffc90000f27080 EFLAGS: 00010246 [ 153.510420][ T1298] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 153.511048][ T1298] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 153.511631][ T1298] RBP: ffffc90000f27168 R08: 0000000000000000 R09: 0000000000000000 [ 153.512255][ T1298] R10: ffffc90000f27198 R11: ffffffffacca8918 R12: 1ffff920001e4e14 [ 153.512859][ T1298] R13: 00000000000005dc R14: ffffc90000f27198 R15: ffff888010702f08 [ 153.513574][ T1298] FS: 00007fc453505800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 153.514190][ T1298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 153.514613][ T1298] CR2: 00007f4efceeee80 CR3: 0000000010905003 CR4: 0000000000772ef0 [ 153.515241][ T1298] PKRU: 55555554 [ 153.515554][ T1298] Call Trace: [ 153.515817][ T1298] [ 153.516006][ T1298] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 153.516418][ T1298] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 153.516788][ T1298] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 153.517300][ T1298] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 153.517725][ T1298] netif_set_mtu (net/core/dev.c:9652) [ 153.518189][ T1298] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 153.518536][ T1298] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 153.519112][ T1298] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 153.519419][ T1298] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 153.519936][ T1298] br_add_if (net/bridge/br_if.c:697) bridge [ 153.520432][ T1298] do_set_master (net/core/rtnetlink.c:2948) [ 153.520918][ T1298] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 153.521505][ T1298] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 153.521911][ T1298] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 153.522353][ T1298] ? __dev_get_by_name (net/core/dev.c:865) [ 153.522686][ T1298] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 153.523093][ T1298] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 153.523491][ T1298] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 153.523889][ T1298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 153.524298][ T1298] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 153.524734][ T1298] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 153.525113][ T1298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 153.525455][ T1298] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 153.525874][ T1298] ? __lock_release (kernel/locking/lockdep.c:5539) [ 153.526286][ T1298] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 153.526681][ T1298] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 153.527220][ T1298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 153.527709][ T1298] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 153.528158][ T1298] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 153.528492][ T1298] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 153.528890][ T1298] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 153.529456][ T1298] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 153.529883][ T1298] ? 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) [ 153.530268][ T1298] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 153.530631][ T1298] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 153.530990][ T1298] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 153.531424][ T1298] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 153.531841][ T1298] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 153.532207][ T1298] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 153.532628][ T1298] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 153.533058][ T1298] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 153.533476][ T1298] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 153.534019][ T1298] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 153.534408][ T1298] ___sys_sendmsg (net/socket.c:2670) [ 153.534814][ T1298] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 153.535210][ T1298] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 153.535545][ T1298] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 153.535990][ T1298] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 153.536331][ T1298] ? __handle_mm_fault (mm/memory.c:6212) [ 153.536661][ T1298] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 153.537197][ T1298] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 153.537798][ T1298] __sys_sendmsg (net/socket.c:2700) [ 153.538151][ T1298] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 153.538503][ T1298] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 153.538950][ T1298] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 153.539361][ T1298] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 153.539755][ T1298] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 153.540172][ T1298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 153.540594][ T1298] RIP: 0033:0x7fc4536d21e7 [ 153.540955][ T1298] 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) [ 153.542339][ T1298] RSP: 002b:00007ffca30be6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.542883][ T1298] RAX: ffffffffffffffda RBX: 00007ffca30bede0 RCX: 00007fc4536d21e7 [ 153.543478][ T1298] RDX: 0000000000000000 RSI: 00007ffca30be720 RDI: 0000000000000005 [ 153.544067][ T1298] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 153.544624][ T1298] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca30bee18 [ 153.545426][ T1298] R13: 00000000686e4238 R14: 0000000000499600 R15: 0000000000000000 | [ 153.752381][ T1300] ------------[ cut here ]------------ | [ 153.752728][ T1300] WARNING: CPU: 3 PID: 1300 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) | [ 153.753750][ T1300] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 153.754971][ T1300] Tainted: [W]=WARN [ 153.755229][ T1300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 153.755650][ T1300] 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) [ 153.756000][ T1300] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 153.757206][ T1300] RSP: 0018:ffffc90000f37080 EFLAGS: 00010246 [ 153.757635][ T1300] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 153.758152][ T1300] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 153.758657][ T1300] RBP: ffffc90000f37168 R08: 0000000000000000 R09: 0000000000000000 [ 153.759167][ T1300] R10: ffffc90000f37198 R11: ffffffffacca8918 R12: 1ffff920001e6e14 [ 153.759649][ T1300] R13: 00000000000005dc R14: ffffc90000f37198 R15: ffff888010702f08 [ 153.760151][ T1300] FS: 00007f44c96ee800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 153.760760][ T1300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 153.761190][ T1300] CR2: 00000000004a1738 CR3: 000000000c35c006 CR4: 0000000000772ef0 [ 153.761691][ T1300] PKRU: 55555554 [ 153.761945][ T1300] Call Trace: [ 153.762194][ T1300] [ 153.762364][ T1300] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 153.762702][ T1300] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 153.763044][ T1300] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 153.763461][ T1300] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 153.763806][ T1300] netif_set_mtu (net/core/dev.c:9652) [ 153.764137][ T1300] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 153.764478][ T1300] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 153.764949][ T1300] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 153.765203][ T1300] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 153.765650][ T1300] br_add_if (net/bridge/br_if.c:697) bridge [ 153.766043][ T1300] do_set_master (net/core/rtnetlink.c:2948) [ 153.766376][ T1300] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 153.766709][ T1300] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 153.767050][ T1300] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 153.767379][ T1300] ? __dev_get_by_name (net/core/dev.c:865) [ 153.767712][ T1300] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 153.768050][ T1300] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 153.768395][ T1300] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 153.768724][ T1300] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 153.769072][ T1300] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 153.769422][ T1300] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 153.769756][ T1300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 153.770103][ T1300] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 153.770446][ T1300] ? __lock_release (kernel/locking/lockdep.c:5539) [ 153.770790][ T1300] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 153.771131][ T1300] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 153.771469][ T1300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 153.771820][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 153.772166][ T1300] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 153.772511][ T1300] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 153.772856][ T1300] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 153.773202][ T1300] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 153.773535][ T1300] ? 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) [ 153.773885][ T1300] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 153.774233][ T1300] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 153.774568][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 153.774918][ T1300] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 153.775256][ T1300] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 153.775596][ T1300] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 153.775941][ T1300] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 153.776278][ T1300] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 153.776640][ T1300] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 153.777075][ T1300] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 153.777420][ T1300] ___sys_sendmsg (net/socket.c:2670) [ 153.777757][ T1300] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 153.778099][ T1300] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 153.778442][ T1300] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 153.778788][ T1300] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 153.779128][ T1300] ? __handle_mm_fault (mm/memory.c:6212) [ 153.779466][ T1300] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 153.779810][ T1300] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 153.780155][ T1300] __sys_sendmsg (net/socket.c:2700) [ 153.780506][ T1300] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 153.780846][ T1300] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 153.781199][ T1300] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 153.781532][ T1300] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 153.781879][ T1300] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 153.782221][ T1300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 153.782742][ T1300] RIP: 0033:0x7f44c98bb1e7 [ 153.783120][ T1300] 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) [ 153.784361][ T1300] RSP: 002b:00007fff3ce7edb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.784884][ T1300] RAX: ffffffffffffffda RBX: 00007fff3ce7f4e0 RCX: 00007f44c98bb1e7 [ 153.785388][ T1300] RDX: 0000000000000000 RSI: 00007fff3ce7ee20 RDI: 0000000000000005 [ 153.785928][ T1300] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 153.786501][ T1300] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff3ce7f518 [ 153.787170][ T1300] R13: 00000000686e4238 R14: 0000000000499600 R15: 0000000000000000 | [ 153.955834][ T1301] ------------[ cut here ]------------ | [ 153.956190][ T1301] WARNING: CPU: 2 PID: 1301 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 153.956884][ T1301] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 153.958100][ T1301] Tainted: [W]=WARN [ 153.958363][ T1301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 153.958797][ T1301] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 153.959146][ T1301] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 153.960340][ T1301] RSP: 0018:ffffc90000f27080 EFLAGS: 00010246 [ 153.960792][ T1301] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 153.961298][ T1301] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 153.961815][ T1301] RBP: ffffc90000f27168 R08: 0000000000000000 R09: 0000000000000000 [ 153.962321][ T1301] R10: ffffc90000f27198 R11: ffffffffacca8918 R12: 1ffff920001e4e14 [ 153.962840][ T1301] R13: 00000000000005dc R14: ffffc90000f27198 R15: ffff888010702f08 [ 153.963387][ T1301] FS: 00007f4511429800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 153.963982][ T1301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 153.964410][ T1301] CR2: 00007f4efcd29a00 CR3: 000000000ac27002 CR4: 0000000000772ef0 [ 153.964928][ T1301] PKRU: 55555554 [ 153.965193][ T1301] Call Trace: [ 153.965453][ T1301] [ 153.965636][ T1301] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 153.965996][ T1301] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 153.966344][ T1301] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 153.966777][ T1301] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 153.967125][ T1301] netif_set_mtu (net/core/dev.c:9652) [ 153.967476][ T1301] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 153.967847][ T1301] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 153.968317][ T1301] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 153.968584][ T1301] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 153.969061][ T1301] br_add_if (net/bridge/br_if.c:697) bridge [ 153.969452][ T1301] do_set_master (net/core/rtnetlink.c:2948) [ 153.969803][ T1301] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 153.970153][ T1301] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 153.970509][ T1301] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 153.970855][ T1301] ? __dev_get_by_name (net/core/dev.c:865) [ 153.971198][ T1301] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 153.971543][ T1301] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 153.971900][ T1301] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 153.972243][ T1301] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 153.972603][ T1301] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 153.972964][ T1301] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 153.973312][ T1301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 153.973669][ T1301] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 153.974026][ T1301] ? __lock_release (kernel/locking/lockdep.c:5539) [ 153.974369][ T1301] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 153.974711][ T1301] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 153.975071][ T1301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 153.975433][ T1301] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 153.975789][ T1301] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 153.976135][ T1301] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 153.976477][ T1301] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 153.976840][ T1301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 153.977187][ T1301] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 153.977537][ T1301] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 153.977889][ T1301] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 153.978233][ T1301] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 153.978580][ T1301] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 153.978936][ T1301] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 153.979282][ T1301] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 153.979643][ T1301] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 153.979998][ T1301] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 153.980348][ T1301] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 153.980787][ T1301] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 153.981141][ T1301] ___sys_sendmsg (net/socket.c:2670) [ 153.981489][ T1301] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 153.981845][ T1301] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 153.982194][ T1301] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 153.982531][ T1301] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 153.982890][ T1301] ? __handle_mm_fault (mm/memory.c:6212) [ 153.983235][ T1301] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 153.983574][ T1301] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 153.983942][ T1301] __sys_sendmsg (net/socket.c:2700) [ 153.984294][ T1301] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 153.984640][ T1301] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 153.984999][ T1301] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 153.985349][ T1301] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 153.985694][ T1301] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 153.986050][ T1301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 153.986487][ T1301] RIP: 0033:0x7f45115f61e7 [ 153.986850][ T1301] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 153.988061][ T1301] RSP: 002b:00007ffc4d0ae168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 153.988574][ T1301] RAX: ffffffffffffffda RBX: 00007ffc4d0ae890 RCX: 00007f45115f61e7 [ 153.989108][ T1301] RDX: 0000000000000000 RSI: 00007ffc4d0ae1d0 RDI: 0000000000000005 [ 153.989614][ T1301] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 153.990140][ T1301] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4d0ae8c8 [ 153.990674][ T1301] R13: 00000000686e4238 R14: 0000000000499600 R15: 0000000000000000 | [ 154.132704][ T1303] ------------[ cut here ]------------ | [ 154.133106][ T1303] WARNING: CPU: 2 PID: 1303 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 154.133833][ T1303] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 154.135227][ T1303] Tainted: [W]=WARN [ 154.135495][ T1303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 154.135942][ T1303] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 154.136298][ T1303] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 154.137508][ T1303] RSP: 0000:ffffc90000c97080 EFLAGS: 00010246 [ 154.137966][ T1303] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 154.138486][ T1303] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 154.138999][ T1303] RBP: ffffc90000c97168 R08: 0000000000000000 R09: 0000000000000000 [ 154.139558][ T1303] R10: ffffc90000c97198 R11: ffffffffacca8918 R12: 1ffff92000192e14 [ 154.140150][ T1303] R13: 00000000000005dc R14: ffffc90000c97198 R15: ffff888010702f08 [ 154.140743][ T1303] FS: 00007f5b102ed800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 154.141389][ T1303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 154.141837][ T1303] CR2: 00007f4efceeee80 CR3: 000000000ac27004 CR4: 0000000000772ef0 [ 154.142432][ T1303] PKRU: 55555554 [ 154.142720][ T1303] Call Trace: [ 154.143006][ T1303] [ 154.143189][ T1303] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 154.143534][ T1303] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 154.143898][ T1303] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 154.144315][ T1303] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 154.144673][ T1303] netif_set_mtu (net/core/dev.c:9652) [ 154.145021][ T1303] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 154.145369][ T1303] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 154.145859][ T1303] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 154.146123][ T1303] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 154.146634][ T1303] br_add_if (net/bridge/br_if.c:697) bridge [ 154.147121][ T1303] do_set_master (net/core/rtnetlink.c:2948) [ 154.147472][ T1303] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 154.147850][ T1303] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 154.148200][ T1303] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 154.148535][ T1303] ? __dev_get_by_name (net/core/dev.c:865) [ 154.148899][ T1303] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 154.149236][ T1303] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 154.149574][ T1303] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 154.149964][ T1303] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 154.150320][ T1303] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 154.150723][ T1303] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 154.151083][ T1303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 154.151433][ T1303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 154.151790][ T1303] ? __lock_release (kernel/locking/lockdep.c:5539) [ 154.152135][ T1303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 154.152479][ T1303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 154.152845][ T1303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 154.153185][ T1303] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 154.153527][ T1303] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 154.153894][ T1303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 154.154304][ T1303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 154.154730][ T1303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 154.155149][ T1303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 154.155561][ T1303] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 154.155990][ T1303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 154.156366][ T1303] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 154.156763][ T1303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 154.157277][ T1303] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 154.157898][ T1303] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 154.158495][ T1303] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 154.159101][ T1303] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 154.160005][ T1303] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 154.160647][ T1303] ___sys_sendmsg (net/socket.c:2670) [ 154.161270][ T1303] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 154.161886][ T1303] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 154.164623][ T1303] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 154.165243][ T1303] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 154.165636][ T1303] ? __handle_mm_fault (mm/memory.c:6212) [ 154.166212][ T1303] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 154.166629][ T1303] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 154.167358][ T1303] __sys_sendmsg (net/socket.c:2700) [ 154.167837][ T1303] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 154.168177][ T1303] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 154.168525][ T1303] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 154.168916][ T1303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 154.169262][ T1303] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 154.169871][ T1303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 154.170297][ T1303] RIP: 0033:0x7f5b104ba1e7 [ 154.170650][ T1303] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 154.172230][ T1303] RSP: 002b:00007fff706b5e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.173895][ T1303] RAX: ffffffffffffffda RBX: 00007fff706b65b0 RCX: 00007f5b104ba1e7 [ 154.174962][ T1303] RDX: 0000000000000000 RSI: 00007fff706b5ef0 RDI: 0000000000000005 [ 154.175557][ T1303] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 154.176123][ T1303] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff706b65e8 [ 154.177095][ T1303] R13: 00000000686e4238 R14: 0000000000499600 R15: 0000000000000000 | [ 154.338716][ T1306] ------------[ cut here ]------------ | [ 154.339077][ T1306] WARNING: CPU: 0 PID: 1306 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 154.339725][ T1306] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 154.340934][ T1306] Tainted: [W]=WARN [ 154.341178][ T1306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 154.341593][ T1306] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 154.341940][ T1306] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 154.343098][ T1306] RSP: 0000:ffffc90000f57080 EFLAGS: 00010246 [ 154.343507][ T1306] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 154.344002][ T1306] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 154.344492][ T1306] RBP: ffffc90000f57168 R08: 0000000000000000 R09: 0000000000000000 [ 154.344984][ T1306] R10: ffffc90000f57198 R11: ffffffffacca8918 R12: 1ffff920001eae14 [ 154.345497][ T1306] R13: 00000000000005dc R14: ffffc90000f57198 R15: ffff888010702f08 [ 154.345987][ T1306] FS: 00007faae4611800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 154.346559][ T1306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 154.346977][ T1306] CR2: 00007f4efceeee80 CR3: 000000000e13b003 CR4: 0000000000772ef0 [ 154.347465][ T1306] PKRU: 55555554 [ 154.347707][ T1306] Call Trace: [ 154.347958][ T1306] [ 154.348128][ T1306] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 154.348457][ T1306] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 154.348794][ T1306] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 154.349202][ T1306] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 154.349526][ T1306] netif_set_mtu (net/core/dev.c:9652) [ 154.349859][ T1306] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 154.350200][ T1306] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 154.350693][ T1306] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 154.350958][ T1306] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 154.351412][ T1306] br_add_if (net/bridge/br_if.c:697) bridge [ 154.351799][ T1306] do_set_master (net/core/rtnetlink.c:2948) [ 154.352128][ T1306] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 154.352458][ T1306] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 154.352797][ T1306] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 154.353120][ T1306] ? __dev_get_by_name (net/core/dev.c:865) [ 154.353445][ T1306] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 154.353780][ T1306] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 154.354111][ T1306] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 154.354428][ T1306] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 154.354762][ T1306] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 154.355125][ T1306] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 154.355462][ T1306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 154.355813][ T1306] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 154.356136][ T1306] ? __lock_release (kernel/locking/lockdep.c:5539) [ 154.356463][ T1306] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 154.356794][ T1306] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 154.357124][ T1306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 154.357451][ T1306] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 154.357791][ T1306] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 154.358152][ T1306] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 154.358481][ T1306] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 154.358821][ T1306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 154.359142][ T1306] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 154.359462][ T1306] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 154.359796][ T1306] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 154.360124][ T1306] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 154.360464][ T1306] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 154.360803][ T1306] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 154.361124][ T1306] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 154.361458][ T1306] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 154.361800][ T1306] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 154.362126][ T1306] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 154.362537][ T1306] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 154.362873][ T1306] ___sys_sendmsg (net/socket.c:2670) [ 154.363202][ T1306] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 154.363526][ T1306] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 154.363865][ T1306] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 154.364185][ T1306] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 154.364512][ T1306] ? __handle_mm_fault (mm/memory.c:6212) [ 154.364866][ T1306] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 154.365190][ T1306] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 154.365534][ T1306] __sys_sendmsg (net/socket.c:2700) [ 154.365866][ T1306] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 154.366194][ T1306] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 154.366537][ T1306] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 154.366875][ T1306] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 154.367212][ T1306] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 154.367542][ T1306] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 154.367959][ T1306] RIP: 0033:0x7faae47de1e7 [ 154.368295][ T1306] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 154.369466][ T1306] RSP: 002b:00007ffd92c59548 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.369961][ T1306] RAX: ffffffffffffffda RBX: 00007ffd92c59c70 RCX: 00007faae47de1e7 [ 154.370458][ T1306] RDX: 0000000000000000 RSI: 00007ffd92c595b0 RDI: 0000000000000005 [ 154.370949][ T1306] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 154.371443][ T1306] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd92c59ca8 [ 154.371943][ T1306] R13: 00000000686e4239 R14: 0000000000499600 R15: 0000000000000000 | [ 154.538643][ T1307] ------------[ cut here ]------------ | [ 154.539014][ T1307] WARNING: CPU: 3 PID: 1307 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 154.539676][ T1307] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 154.540892][ T1307] Tainted: [W]=WARN [ 154.541158][ T1307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 154.541580][ T1307] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 154.541935][ T1307] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 154.543142][ T1307] RSP: 0018:ffffc90000f67080 EFLAGS: 00010246 [ 154.543552][ T1307] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 154.544039][ T1307] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 154.544523][ T1307] RBP: ffffc90000f67168 R08: 0000000000000000 R09: 0000000000000000 [ 154.545043][ T1307] R10: ffffc90000f67198 R11: ffffffffacca8918 R12: 1ffff920001ece14 [ 154.545536][ T1307] R13: 00000000000005dc R14: ffffc90000f67198 R15: ffff888010702f08 [ 154.546040][ T1307] FS: 00007f48be490800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 154.546599][ T1307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 154.547012][ T1307] CR2: 00000000004a1738 CR3: 000000000c388004 CR4: 0000000000772ef0 [ 154.547501][ T1307] PKRU: 55555554 [ 154.547741][ T1307] Call Trace: [ 154.547992][ T1307] [ 154.548159][ T1307] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 154.548527][ T1307] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 154.548864][ T1307] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 154.549259][ T1307] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 154.549585][ T1307] netif_set_mtu (net/core/dev.c:9652) [ 154.549915][ T1307] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 154.550264][ T1307] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 154.550744][ T1307] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 154.551008][ T1307] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 154.551462][ T1307] br_add_if (net/bridge/br_if.c:697) bridge [ 154.551864][ T1307] do_set_master (net/core/rtnetlink.c:2948) [ 154.552200][ T1307] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 154.552547][ T1307] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 154.552879][ T1307] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 154.553199][ T1307] ? __dev_get_by_name (net/core/dev.c:865) [ 154.553515][ T1307] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 154.553843][ T1307] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 154.554171][ T1307] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 154.554502][ T1307] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 154.554875][ T1307] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 154.555208][ T1307] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 154.555528][ T1307] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 154.555876][ T1307] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 154.556204][ T1307] ? __lock_release (kernel/locking/lockdep.c:5539) [ 154.556553][ T1307] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 154.556900][ T1307] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 154.557259][ T1307] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 154.557589][ T1307] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 154.557927][ T1307] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 154.558254][ T1307] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 154.558577][ T1307] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 154.558921][ T1307] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 154.559240][ T1307] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 154.559561][ T1307] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 154.559896][ T1307] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 154.560224][ T1307] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 154.560563][ T1307] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 154.560905][ T1307] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 154.561248][ T1307] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 154.561601][ T1307] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 154.561956][ T1307] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 154.562296][ T1307] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 154.562712][ T1307] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 154.563075][ T1307] ___sys_sendmsg (net/socket.c:2670) [ 154.563417][ T1307] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 154.563751][ T1307] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 154.564109][ T1307] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 154.564454][ T1307] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 154.564811][ T1307] ? __handle_mm_fault (mm/memory.c:6212) [ 154.565152][ T1307] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 154.565491][ T1307] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 154.565869][ T1307] __sys_sendmsg (net/socket.c:2700) [ 154.566196][ T1307] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 154.566518][ T1307] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 154.566849][ T1307] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 154.567177][ T1307] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 154.567500][ T1307] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 154.567850][ T1307] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 154.568251][ T1307] RIP: 0033:0x7f48be65d1e7 [ 154.568590][ T1307] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 154.569807][ T1307] RSP: 002b:00007ffc820c4b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.570308][ T1307] RAX: ffffffffffffffda RBX: 00007ffc820c52b0 RCX: 00007f48be65d1e7 [ 154.570810][ T1307] RDX: 0000000000000000 RSI: 00007ffc820c4bf0 RDI: 0000000000000005 [ 154.571334][ T1307] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 154.571824][ T1307] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc820c52e8 [ 154.572363][ T1307] R13: 00000000686e4239 R14: 0000000000499600 R15: 0000000000000000 | [ 154.741623][ T1309] ------------[ cut here ]------------ | [ 154.742003][ T1309] WARNING: CPU: 0 PID: 1309 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) | [ 154.742667][ T1309] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 154.744035][ T1309] Tainted: [W]=WARN [ 154.744296][ T1309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 154.744695][ T1309] 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) [ 154.745032][ T1309] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 154.746182][ T1309] RSP: 0018:ffffc90000e17080 EFLAGS: 00010246 [ 154.746595][ T1309] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 154.747086][ T1309] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 154.747678][ T1309] RBP: ffffc90000e17168 R08: 0000000000000000 R09: 0000000000000000 [ 154.748170][ T1309] R10: ffffc90000e17198 R11: ffffffffacca8918 R12: 1ffff920001c2e14 [ 154.748662][ T1309] R13: 00000000000005dc R14: ffffc90000e17198 R15: ffff888010702f08 [ 154.749154][ T1309] FS: 00007f8975f2a800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 154.749715][ T1309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 154.750133][ T1309] CR2: 00000000004a1738 CR3: 0000000005009005 CR4: 0000000000772ef0 [ 154.750638][ T1309] PKRU: 55555554 [ 154.750887][ T1309] Call Trace: [ 154.751131][ T1309] [ 154.751299][ T1309] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 154.751622][ T1309] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 154.751957][ T1309] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 154.752359][ T1309] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 154.752683][ T1309] netif_set_mtu (net/core/dev.c:9652) [ 154.753020][ T1309] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 154.753359][ T1309] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 154.753811][ T1309] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 154.754057][ T1309] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 154.754497][ T1309] br_add_if (net/bridge/br_if.c:697) bridge [ 154.754882][ T1309] do_set_master (net/core/rtnetlink.c:2948) [ 154.755204][ T1309] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 154.755532][ T1309] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 154.755868][ T1309] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 154.756187][ T1309] ? __dev_get_by_name (net/core/dev.c:865) [ 154.756513][ T1309] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 154.756845][ T1309] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 154.757174][ T1309] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 154.757585][ T1309] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 154.757930][ T1309] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 154.758262][ T1309] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 154.758592][ T1309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 154.758938][ T1309] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 154.759260][ T1309] ? __lock_release (kernel/locking/lockdep.c:5539) [ 154.759582][ T1309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 154.759913][ T1309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 154.760240][ T1309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 154.760576][ T1309] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 154.760912][ T1309] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 154.761236][ T1309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 154.761558][ T1309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 154.761903][ T1309] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 154.762226][ T1309] ? 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) [ 154.762554][ T1309] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 154.762889][ T1309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 154.763209][ T1309] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 154.763536][ T1309] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 154.763870][ T1309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 154.764192][ T1309] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 154.764523][ T1309] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 154.764884][ T1309] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 154.765210][ T1309] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 154.765622][ T1309] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 154.765968][ T1309] ___sys_sendmsg (net/socket.c:2670) [ 154.766383][ T1309] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 154.766703][ T1309] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 154.767041][ T1309] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 154.767365][ T1309] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 154.767692][ T1309] ? __handle_mm_fault (mm/memory.c:6212) [ 154.768024][ T1309] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 154.768345][ T1309] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 154.768689][ T1309] __sys_sendmsg (net/socket.c:2700) [ 154.769021][ T1309] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 154.769342][ T1309] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 154.769671][ T1309] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 154.770007][ T1309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 154.770342][ T1309] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 154.770670][ T1309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 154.771080][ T1309] RIP: 0033:0x7f89760f71e7 [ 154.771413][ T1309] 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) [ 154.772572][ T1309] RSP: 002b:00007fffe1e80f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.773064][ T1309] RAX: ffffffffffffffda RBX: 00007fffe1e81690 RCX: 00007f89760f71e7 [ 154.773543][ T1309] RDX: 0000000000000000 RSI: 00007fffe1e80fd0 RDI: 0000000000000005 [ 154.774022][ T1309] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 154.774504][ T1309] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe1e816c8 [ 154.774995][ T1309] R13: 00000000686e4239 R14: 0000000000499600 R15: 0000000000000000 | [ 154.949968][ T1312] ------------[ cut here ]------------ | [ 154.950322][ T1312] WARNING: CPU: 3 PID: 1312 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 154.951222][ T1312] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 154.952472][ T1312] Tainted: [W]=WARN [ 154.952723][ T1312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 154.953147][ T1312] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 154.953510][ T1312] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 154.954699][ T1312] RSP: 0018:ffffc90000f67080 EFLAGS: 00010246 [ 154.955124][ T1312] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 154.955641][ T1312] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 154.956142][ T1312] RBP: ffffc90000f67168 R08: 0000000000000000 R09: 0000000000000000 [ 154.956652][ T1312] R10: ffffc90000f67198 R11: ffffffffacca8918 R12: 1ffff920001ece14 [ 154.957150][ T1312] R13: 00000000000005dc R14: ffffc90000f67198 R15: ffff888010702f08 [ 154.957660][ T1312] FS: 00007fd12fb8f800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 154.958278][ T1312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 154.958699][ T1312] CR2: 00000000004a1738 CR3: 000000000b9dd003 CR4: 0000000000772ef0 [ 154.959189][ T1312] PKRU: 55555554 [ 154.959444][ T1312] Call Trace: [ 154.959686][ T1312] [ 154.959863][ T1312] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 154.960196][ T1312] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 154.960560][ T1312] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 154.960996][ T1312] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 154.961314][ T1312] netif_set_mtu (net/core/dev.c:9652) [ 154.961648][ T1312] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 154.961984][ T1312] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 154.962446][ T1312] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 154.962697][ T1312] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 154.963145][ T1312] br_add_if (net/bridge/br_if.c:697) bridge [ 154.963518][ T1312] do_set_master (net/core/rtnetlink.c:2948) [ 154.963846][ T1312] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 154.964167][ T1312] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 154.964491][ T1312] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 154.964831][ T1312] ? __dev_get_by_name (net/core/dev.c:865) [ 154.965150][ T1312] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 154.965467][ T1312] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 154.965828][ T1312] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 154.966140][ T1312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 154.966459][ T1312] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 154.966807][ T1312] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 154.967127][ T1312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 154.967458][ T1312] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 154.967792][ T1312] ? __lock_release (kernel/locking/lockdep.c:5539) [ 154.968117][ T1312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 154.968429][ T1312] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 154.968761][ T1312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 154.969099][ T1312] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 154.969419][ T1312] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 154.969757][ T1312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 154.970081][ T1312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 154.970460][ T1312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 154.970802][ T1312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 154.971140][ T1312] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 154.971461][ T1312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 154.971796][ T1312] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 154.972122][ T1312] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 154.972445][ T1312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 154.972785][ T1312] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 154.973113][ T1312] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 154.973433][ T1312] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 154.973758][ T1312] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 154.974393][ T1312] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 154.974722][ T1312] ___sys_sendmsg (net/socket.c:2670) [ 154.975063][ T1312] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 154.975376][ T1312] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 154.976171][ T1312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 154.976488][ T1312] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 154.976838][ T1312] ? __handle_mm_fault (mm/memory.c:6212) [ 154.977169][ T1312] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 154.977488][ T1312] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 154.977838][ T1312] __sys_sendmsg (net/socket.c:2700) [ 154.978191][ T1312] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 154.978505][ T1312] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 154.978841][ T1312] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 154.979168][ T1312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 154.979750][ T1312] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 154.980103][ T1312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 154.980517][ T1312] RIP: 0033:0x7fd12fd5c1e7 [ 154.980859][ T1312] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 154.982032][ T1312] RSP: 002b:00007ffc4b6c1f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 154.982755][ T1312] RAX: ffffffffffffffda RBX: 00007ffc4b6c2680 RCX: 00007fd12fd5c1e7 [ 154.983256][ T1312] RDX: 0000000000000000 RSI: 00007ffc4b6c1fc0 RDI: 0000000000000005 [ 154.983736][ T1312] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 154.984223][ T1312] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4b6c26b8 [ 154.984704][ T1312] R13: 00000000686e4239 R14: 0000000000499600 R15: 0000000000000000 | [ 155.163831][ T1313] ------------[ cut here ]------------ | [ 155.164165][ T1313] WARNING: CPU: 0 PID: 1313 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) | [ 155.164818][ T1313] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 155.165995][ T1313] Tainted: [W]=WARN [ 155.166243][ T1313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 155.166649][ T1313] 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) [ 155.166997][ T1313] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 155.168154][ T1313] RSP: 0018:ffffc90000d87080 EFLAGS: 00010246 [ 155.168568][ T1313] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 155.169062][ T1313] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 155.169553][ T1313] RBP: ffffc90000d87168 R08: 0000000000000000 R09: 0000000000000000 [ 155.170041][ T1313] R10: ffffc90000d87198 R11: ffffffffacca8918 R12: 1ffff920001b0e14 [ 155.170536][ T1313] R13: 00000000000005dc R14: ffffc90000d87198 R15: ffff888010702f08 [ 155.171033][ T1313] FS: 00007f1b81cc8800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 155.171600][ T1313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.172016][ T1313] CR2: 00005555ef086f28 CR3: 000000000b9dd002 CR4: 0000000000772ef0 [ 155.172505][ T1313] PKRU: 55555554 [ 155.172747][ T1313] Call Trace: [ 155.172997][ T1313] [ 155.173165][ T1313] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 155.173497][ T1313] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 155.173831][ T1313] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 155.174232][ T1313] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 155.174563][ T1313] netif_set_mtu (net/core/dev.c:9652) [ 155.174898][ T1313] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 155.175241][ T1313] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 155.175698][ T1313] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 155.175959][ T1313] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 155.176411][ T1313] br_add_if (net/bridge/br_if.c:697) bridge [ 155.176793][ T1313] do_set_master (net/core/rtnetlink.c:2948) [ 155.177123][ T1313] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 155.177446][ T1313] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 155.177805][ T1313] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 155.178174][ T1313] ? __dev_get_by_name (net/core/dev.c:865) [ 155.178518][ T1313] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 155.178888][ T1313] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 155.179228][ T1313] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 155.179566][ T1313] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 155.179916][ T1313] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 155.180267][ T1313] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 155.180633][ T1313] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 155.180983][ T1313] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 155.181326][ T1313] ? __lock_release (kernel/locking/lockdep.c:5539) [ 155.181661][ T1313] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 155.182008][ T1313] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 155.182348][ T1313] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 155.182687][ T1313] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 155.183032][ T1313] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 155.183377][ T1313] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 155.183727][ T1313] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 155.184090][ T1313] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 155.184425][ T1313] ? 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) [ 155.184753][ T1313] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 155.185111][ T1313] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 155.185455][ T1313] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 155.185800][ T1313] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 155.186145][ T1313] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 155.186477][ T1313] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 155.186852][ T1313] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 155.187203][ T1313] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 155.187529][ T1313] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 155.187965][ T1313] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 155.188309][ T1313] ___sys_sendmsg (net/socket.c:2670) [ 155.188653][ T1313] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 155.188994][ T1313] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 155.189344][ T1313] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 155.189667][ T1313] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 155.190029][ T1313] ? __handle_mm_fault (mm/memory.c:6212) [ 155.190385][ T1313] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 155.190717][ T1313] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 155.191071][ T1313] __sys_sendmsg (net/socket.c:2700) [ 155.191414][ T1313] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 155.191761][ T1313] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 155.192117][ T1313] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 155.192457][ T1313] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 155.192787][ T1313] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 155.193132][ T1313] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 155.193559][ T1313] RIP: 0033:0x7f1b81e951e7 [ 155.193915][ T1313] 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) [ 155.195117][ T1313] RSP: 002b:00007ffca1acc978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.195620][ T1313] RAX: ffffffffffffffda RBX: 00007ffca1acd0a0 RCX: 00007f1b81e951e7 [ 155.196121][ T1313] RDX: 0000000000000000 RSI: 00007ffca1acc9e0 RDI: 0000000000000005 [ 155.196640][ T1313] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 155.197143][ T1313] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca1acd0d8 [ 155.197627][ T1313] R13: 00000000686e4239 R14: 0000000000499600 R15: 0000000000000000 | [ 155.384328][ T1316] ------------[ cut here ]------------ | [ 155.384667][ T1316] WARNING: CPU: 0 PID: 1316 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) | [ 155.385675][ T1316] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 155.386893][ T1316] Tainted: [W]=WARN [ 155.387150][ T1316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 155.387565][ T1316] 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) [ 155.387921][ T1316] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 155.389297][ T1316] RSP: 0018:ffffc90000e17080 EFLAGS: 00010246 [ 155.389724][ T1316] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 155.390237][ T1316] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 155.390757][ T1316] RBP: ffffc90000e17168 R08: 0000000000000000 R09: 0000000000000000 [ 155.391270][ T1316] R10: ffffc90000e17198 R11: ffffffffacca8918 R12: 1ffff920001c2e14 [ 155.391788][ T1316] R13: 00000000000005dc R14: ffffc90000e17198 R15: ffff888010702f08 [ 155.392296][ T1316] FS: 00007fdf5457b800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 155.392896][ T1316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.393309][ T1316] CR2: 00000000004a1738 CR3: 000000000917e004 CR4: 0000000000772ef0 [ 155.393833][ T1316] PKRU: 55555554 [ 155.394092][ T1316] Call Trace: [ 155.394343][ T1316] [ 155.394518][ T1316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 155.394874][ T1316] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 155.395217][ T1316] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 155.395633][ T1316] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 155.395987][ T1316] netif_set_mtu (net/core/dev.c:9652) [ 155.396326][ T1316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 155.396683][ T1316] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 155.397172][ T1316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 155.397428][ T1316] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 155.397895][ T1316] br_add_if (net/bridge/br_if.c:697) bridge [ 155.398283][ T1316] do_set_master (net/core/rtnetlink.c:2948) [ 155.398623][ T1316] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 155.398976][ T1316] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 155.399316][ T1316] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 155.399651][ T1316] ? __dev_get_by_name (net/core/dev.c:865) [ 155.399992][ T1316] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 155.400344][ T1316] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 155.400699][ T1316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 155.401044][ T1316] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 155.401390][ T1316] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 155.401742][ T1316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 155.402097][ T1316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 155.402449][ T1316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 155.402793][ T1316] ? __lock_release (kernel/locking/lockdep.c:5539) [ 155.403139][ T1316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 155.403478][ T1316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 155.403826][ T1316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 155.404170][ T1316] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 155.404512][ T1316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 155.404859][ T1316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 155.405197][ T1316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 155.405553][ T1316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 155.405898][ T1316] ? 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) [ 155.406243][ T1316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 155.406591][ T1316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 155.406937][ T1316] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 155.407279][ T1316] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 155.407621][ T1316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 155.407973][ T1316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 155.408317][ T1316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 155.408661][ T1316] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 155.409007][ T1316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 155.409432][ T1316] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 155.409787][ T1316] ___sys_sendmsg (net/socket.c:2670) [ 155.410136][ T1316] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 155.410584][ T1316] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 155.410933][ T1316] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 155.411273][ T1316] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 155.411618][ T1316] ? __handle_mm_fault (mm/memory.c:6212) [ 155.411964][ T1316] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 155.412305][ T1316] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 155.412657][ T1316] __sys_sendmsg (net/socket.c:2700) [ 155.413013][ T1316] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 155.413354][ T1316] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 155.413706][ T1316] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 155.414058][ T1316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 155.414402][ T1316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 155.414745][ T1316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 155.415169][ T1316] RIP: 0033:0x7fdf547481e7 [ 155.415524][ T1316] 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) [ 155.416734][ T1316] RSP: 002b:00007fffbc5a7028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.417255][ T1316] RAX: ffffffffffffffda RBX: 00007fffbc5a7750 RCX: 00007fdf547481e7 [ 155.417766][ T1316] RDX: 0000000000000000 RSI: 00007fffbc5a7090 RDI: 0000000000000005 [ 155.418281][ T1316] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 155.418795][ T1316] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffbc5a7788 [ 155.419297][ T1316] R13: 00000000686e423a R14: 0000000000499600 R15: 0000000000000000 | [ 155.575230][ T1317] ------------[ cut here ]------------ | [ 155.575574][ T1317] WARNING: CPU: 1 PID: 1317 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) | [ 155.577266][ T1317] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 155.578489][ T1317] Tainted: [W]=WARN [ 155.578731][ T1317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 155.579144][ T1317] 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) [ 155.579471][ T1317] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 155.580627][ T1317] RSP: 0018:ffffc90000d87080 EFLAGS: 00010246 [ 155.581040][ T1317] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 155.581516][ T1317] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 155.582001][ T1317] RBP: ffffc90000d87168 R08: 0000000000000000 R09: 0000000000000000 [ 155.582499][ T1317] R10: ffffc90000d87198 R11: ffffffffacca8918 R12: 1ffff920001b0e14 [ 155.583046][ T1317] R13: 00000000000005dc R14: ffffc90000d87198 R15: ffff888010702f08 [ 155.583521][ T1317] FS: 00007fc0bf11d800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 155.584092][ T1317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.584502][ T1317] CR2: 00000000004a1738 CR3: 000000000a564006 CR4: 0000000000772ef0 [ 155.584997][ T1317] PKRU: 55555554 [ 155.585246][ T1317] Call Trace: [ 155.585493][ T1317] [ 155.585661][ T1317] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 155.586001][ T1317] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 155.586322][ T1317] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 155.586714][ T1317] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 155.587049][ T1317] netif_set_mtu (net/core/dev.c:9652) [ 155.587366][ T1317] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 155.587693][ T1317] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 155.588159][ T1317] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 155.588402][ T1317] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 155.588846][ T1317] br_add_if (net/bridge/br_if.c:697) bridge [ 155.589221][ T1317] do_set_master (net/core/rtnetlink.c:2948) [ 155.589537][ T1317] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 155.589872][ T1317] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 155.590193][ T1317] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 155.590518][ T1317] ? __dev_get_by_name (net/core/dev.c:865) [ 155.590849][ T1317] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 155.591168][ T1317] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 155.591492][ T1317] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 155.591820][ T1317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 155.592149][ T1317] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 155.592474][ T1317] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 155.592810][ T1317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 155.593144][ T1317] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 155.593459][ T1317] ? __lock_release (kernel/locking/lockdep.c:5539) [ 155.593797][ T1317] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 155.594120][ T1317] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 155.594434][ T1317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 155.594752][ T1317] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 155.595103][ T1317] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 155.595437][ T1317] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 155.595782][ T1317] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 155.596122][ T1317] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 155.596436][ T1317] ? 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) [ 155.596755][ T1317] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 155.597100][ T1317] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 155.597424][ T1317] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 155.597747][ T1317] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 155.598095][ T1317] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 155.598417][ T1317] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 155.598745][ T1317] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 155.599084][ T1317] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 155.599399][ T1317] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 155.599812][ T1317] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 155.600141][ T1317] ___sys_sendmsg (net/socket.c:2670) [ 155.600483][ T1317] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 155.600813][ T1317] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 155.601142][ T1317] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 155.601456][ T1317] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 155.601792][ T1317] ? __handle_mm_fault (mm/memory.c:6212) [ 155.602110][ T1317] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 155.602430][ T1317] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 155.602763][ T1317] __sys_sendmsg (net/socket.c:2700) [ 155.603111][ T1317] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 155.603442][ T1317] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 155.603797][ T1317] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 155.604139][ T1317] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 155.604464][ T1317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 155.604810][ T1317] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 155.605224][ T1317] RIP: 0033:0x7fc0bf2ea1e7 [ 155.605568][ T1317] 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) [ 155.606789][ T1317] RSP: 002b:00007ffc41689788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.607294][ T1317] RAX: ffffffffffffffda RBX: 00007ffc41689eb0 RCX: 00007fc0bf2ea1e7 [ 155.607809][ T1317] RDX: 0000000000000000 RSI: 00007ffc416897f0 RDI: 0000000000000005 [ 155.608324][ T1317] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 155.608831][ T1317] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc41689ee8 [ 155.609337][ T1317] R13: 00000000686e423a R14: 0000000000499600 R15: 0000000000000000 | [ 155.742827][ T1319] ------------[ cut here ]------------ | [ 155.743164][ T1319] WARNING: CPU: 3 PID: 1319 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 155.743877][ T1319] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 155.745138][ T1319] Tainted: [W]=WARN [ 155.745414][ T1319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 155.745875][ T1319] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 155.746227][ T1319] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 155.747487][ T1319] RSP: 0018:ffffc90000e17080 EFLAGS: 00010246 [ 155.747942][ T1319] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 155.748464][ T1319] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 155.748978][ T1319] RBP: ffffc90000e17168 R08: 0000000000000000 R09: 0000000000000000 [ 155.749483][ T1319] R10: ffffc90000e17198 R11: ffffffffacca8918 R12: 1ffff920001c2e14 [ 155.749997][ T1319] R13: 00000000000005dc R14: ffffc90000e17198 R15: ffff888010702f08 [ 155.750524][ T1319] FS: 00007f4ff554c800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 155.751149][ T1319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.751566][ T1319] CR2: 00000000004a1738 CR3: 000000000fc31005 CR4: 0000000000772ef0 [ 155.752075][ T1319] PKRU: 55555554 [ 155.752322][ T1319] Call Trace: [ 155.752566][ T1319] [ 155.752736][ T1319] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 155.753091][ T1319] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 155.753436][ T1319] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 155.753865][ T1319] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 155.754215][ T1319] netif_set_mtu (net/core/dev.c:9652) [ 155.754566][ T1319] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 155.754933][ T1319] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 155.755416][ T1319] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 155.755671][ T1319] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 155.756182][ T1319] br_add_if (net/bridge/br_if.c:697) bridge [ 155.756577][ T1319] do_set_master (net/core/rtnetlink.c:2948) [ 155.756941][ T1319] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 155.757314][ T1319] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 155.757666][ T1319] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 155.758016][ T1319] ? __dev_get_by_name (net/core/dev.c:865) [ 155.758356][ T1319] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 155.758688][ T1319] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 155.759033][ T1319] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 155.759385][ T1319] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 155.759732][ T1319] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 155.760113][ T1319] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 155.760464][ T1319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 155.760822][ T1319] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 155.761150][ T1319] ? __lock_release (kernel/locking/lockdep.c:5539) [ 155.761489][ T1319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 155.761845][ T1319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 155.762192][ T1319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 155.762539][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 155.762895][ T1319] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 155.763235][ T1319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 155.763567][ T1319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 155.763919][ T1319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 155.764266][ T1319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 155.764612][ T1319] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 155.764980][ T1319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 155.765350][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 155.765710][ T1319] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 155.766057][ T1319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 155.766402][ T1319] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 155.766754][ T1319] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 155.767097][ T1319] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 155.767431][ T1319] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 155.767859][ T1319] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 155.768220][ T1319] ___sys_sendmsg (net/socket.c:2670) [ 155.768562][ T1319] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 155.768928][ T1319] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 155.769272][ T1319] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 155.769638][ T1319] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 155.769991][ T1319] ? __handle_mm_fault (mm/memory.c:6212) [ 155.770344][ T1319] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 155.770665][ T1319] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 155.771044][ T1319] __sys_sendmsg (net/socket.c:2700) [ 155.771395][ T1319] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 155.771746][ T1319] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 155.772122][ T1319] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 155.772461][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 155.772811][ T1319] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 155.773146][ T1319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 155.773561][ T1319] RIP: 0033:0x7f4ff57191e7 [ 155.773914][ T1319] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 155.775109][ T1319] RSP: 002b:00007ffd61197e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.775609][ T1319] RAX: ffffffffffffffda RBX: 00007ffd61198570 RCX: 00007f4ff57191e7 [ 155.776136][ T1319] RDX: 0000000000000000 RSI: 00007ffd61197eb0 RDI: 0000000000000005 [ 155.776635][ T1319] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 155.777149][ T1319] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd611985a8 [ 155.777668][ T1319] R13: 00000000686e423a R14: 0000000000499600 R15: 0000000000000000 | [ 155.958295][ T1322] ------------[ cut here ]------------ | [ 155.958628][ T1322] WARNING: CPU: 3 PID: 1322 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) | [ 155.959325][ T1322] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 155.960484][ T1322] Tainted: [W]=WARN [ 155.960723][ T1322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 155.961152][ T1322] 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) [ 155.961490][ T1322] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 155.962658][ T1322] RSP: 0018:ffffc90000f57080 EFLAGS: 00010246 [ 155.963073][ T1322] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 155.963602][ T1322] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 155.964119][ T1322] RBP: ffffc90000f57168 R08: 0000000000000000 R09: 0000000000000000 [ 155.964629][ T1322] R10: ffffc90000f57198 R11: ffffffffacca8918 R12: 1ffff920001eae14 [ 155.965130][ T1322] R13: 00000000000005dc R14: ffffc90000f57198 R15: ffff888010702f08 [ 155.965622][ T1322] FS: 00007fa8f056b800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 155.966208][ T1322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.966608][ T1322] CR2: 00000000004a1738 CR3: 000000000e27f003 CR4: 0000000000772ef0 [ 155.967090][ T1322] PKRU: 55555554 [ 155.967329][ T1322] Call Trace: [ 155.967564][ T1322] [ 155.967737][ T1322] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 155.968097][ T1322] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 155.968422][ T1322] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 155.968826][ T1322] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 155.969147][ T1322] netif_set_mtu (net/core/dev.c:9652) [ 155.969491][ T1322] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 155.969851][ T1322] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 155.970320][ T1322] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 155.970566][ T1322] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 155.971013][ T1322] br_add_if (net/bridge/br_if.c:697) bridge [ 155.971414][ T1322] do_set_master (net/core/rtnetlink.c:2948) [ 155.971752][ T1322] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 155.972095][ T1322] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 155.972438][ T1322] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 155.972784][ T1322] ? __dev_get_by_name (net/core/dev.c:865) [ 155.973118][ T1322] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 155.973465][ T1322] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 155.973804][ T1322] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 155.974130][ T1322] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 155.974455][ T1322] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 155.974794][ T1322] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 155.975116][ T1322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 155.975457][ T1322] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 155.975781][ T1322] ? __lock_release (kernel/locking/lockdep.c:5539) [ 155.976103][ T1322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 155.976553][ T1322] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 155.977121][ T1322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 155.977665][ T1322] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 155.978229][ T1322] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 155.978788][ T1322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 155.979330][ T1322] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 155.979911][ T1322] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 155.980456][ T1322] ? 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) [ 155.981013][ T1322] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 155.981560][ T1322] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 155.982114][ T1322] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 155.982663][ T1322] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 155.983216][ T1322] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 155.983759][ T1322] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 155.984349][ T1322] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 155.984915][ T1322] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 155.985474][ T1322] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 155.986172][ T1322] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 155.986730][ T1322] ___sys_sendmsg (net/socket.c:2670) [ 155.987313][ T1322] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 155.987884][ T1322] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 155.988467][ T1322] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 155.989046][ T1322] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 155.989577][ T1322] ? __handle_mm_fault (mm/memory.c:6212) [ 155.990174][ T1322] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 155.990751][ T1322] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 155.991397][ T1322] __sys_sendmsg (net/socket.c:2700) [ 155.991983][ T1322] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 155.992529][ T1322] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 155.993115][ T1322] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 155.993698][ T1322] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 155.994289][ T1322] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 155.994880][ T1322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 155.995603][ T1322] RIP: 0033:0x7fa8f07381e7 [ 155.996210][ T1322] 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) [ 155.998268][ T1322] RSP: 002b:00007ffc8c22f208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 155.999175][ T1322] RAX: ffffffffffffffda RBX: 00007ffc8c22f930 RCX: 00007fa8f07381e7 [ 156.000044][ T1322] RDX: 0000000000000000 RSI: 00007ffc8c22f270 RDI: 0000000000000005 [ 156.000917][ T1322] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 156.001782][ T1322] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc8c22f968 [ 156.002637][ T1322] R13: 00000000686e423a R14: 0000000000499600 R15: 0000000000000000 | [ 156.174986][ T1323] ------------[ cut here ]------------ | [ 156.175343][ T1323] WARNING: CPU: 2 PID: 1323 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 156.175997][ T1323] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 156.177249][ T1323] Tainted: [W]=WARN [ 156.177511][ T1323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 156.177967][ T1323] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 156.178341][ T1323] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 156.179509][ T1323] RSP: 0000:ffffc90000e17080 EFLAGS: 00010246 [ 156.179964][ T1323] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 156.180500][ T1323] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 156.181048][ T1323] RBP: ffffc90000e17168 R08: 0000000000000000 R09: 0000000000000000 [ 156.181563][ T1323] R10: ffffc90000e17198 R11: ffffffffacca8918 R12: 1ffff920001c2e14 [ 156.182083][ T1323] R13: 00000000000005dc R14: ffffc90000e17198 R15: ffff888010702f08 [ 156.182594][ T1323] FS: 00007fd54f544800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 156.183213][ T1323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 156.183648][ T1323] CR2: 00007f4efcd7fae0 CR3: 0000000004c7d001 CR4: 0000000000772ef0 [ 156.184180][ T1323] PKRU: 55555554 [ 156.184478][ T1323] Call Trace: [ 156.184766][ T1323] [ 156.184974][ T1323] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 156.185331][ T1323] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 156.185686][ T1323] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 156.186119][ T1323] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 156.186477][ T1323] netif_set_mtu (net/core/dev.c:9652) [ 156.186839][ T1323] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 156.187209][ T1323] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 156.187739][ T1323] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 156.188036][ T1323] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 156.188527][ T1323] br_add_if (net/bridge/br_if.c:697) bridge [ 156.188941][ T1323] do_set_master (net/core/rtnetlink.c:2948) [ 156.189282][ T1323] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 156.189635][ T1323] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 156.189996][ T1323] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 156.190351][ T1323] ? __dev_get_by_name (net/core/dev.c:865) [ 156.190703][ T1323] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.191078][ T1323] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.191440][ T1323] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 156.191820][ T1323] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.192183][ T1323] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 156.192555][ T1323] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 156.192926][ T1323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.193287][ T1323] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 156.193628][ T1323] ? __lock_release (kernel/locking/lockdep.c:5539) [ 156.193992][ T1323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.194326][ T1323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 156.194655][ T1323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.195050][ T1323] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.195630][ T1323] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 156.196208][ T1323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.196783][ T1323] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 156.197312][ T1323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 156.197857][ T1323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 156.198434][ T1323] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 156.199011][ T1323] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 156.199645][ T1323] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.200249][ T1323] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 156.200914][ T1323] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 156.201531][ T1323] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 156.202178][ T1323] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 156.202809][ T1323] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 156.203398][ T1323] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 156.204179][ T1323] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 156.204814][ T1323] ___sys_sendmsg (net/socket.c:2670) [ 156.205427][ T1323] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 156.206048][ T1323] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 156.206657][ T1323] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.207265][ T1323] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 156.207793][ T1323] ? __handle_mm_fault (mm/memory.c:6212) [ 156.208153][ T1323] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 156.208549][ T1323] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 156.208993][ T1323] __sys_sendmsg (net/socket.c:2700) [ 156.209345][ T1323] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 156.209705][ T1323] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 156.210076][ T1323] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 156.210493][ T1323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 156.210870][ T1323] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 156.211235][ T1323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 156.211681][ T1323] RIP: 0033:0x7fd54f7111e7 [ 156.212062][ T1323] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 156.213290][ T1323] RSP: 002b:00007fff354e6d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.214124][ T1323] RAX: ffffffffffffffda RBX: 00007fff354e7440 RCX: 00007fd54f7111e7 [ 156.215064][ T1323] RDX: 0000000000000000 RSI: 00007fff354e6d80 RDI: 0000000000000005 [ 156.215994][ T1323] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 156.216941][ T1323] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff354e7478 [ 156.217884][ T1323] R13: 00000000686e423a R14: 0000000000499600 R15: 0000000000000000 | [ 156.384917][ T1326] ------------[ cut here ]------------ | [ 156.385300][ T1326] WARNING: CPU: 2 PID: 1326 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 156.386117][ T1326] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 156.387448][ T1326] Tainted: [W]=WARN [ 156.387732][ T1326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 156.388202][ T1326] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 156.388600][ T1326] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 156.389885][ T1326] RSP: 0018:ffffc90000f57080 EFLAGS: 00010246 [ 156.390369][ T1326] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 156.390940][ T1326] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 156.391514][ T1326] RBP: ffffc90000f57168 R08: 0000000000000000 R09: 0000000000000000 [ 156.392077][ T1326] R10: ffffc90000f57198 R11: ffffffffacca8918 R12: 1ffff920001eae14 [ 156.392616][ T1326] R13: 00000000000005dc R14: ffffc90000f57198 R15: ffff888010702f08 [ 156.393181][ T1326] FS: 00007f2ff6e36800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 156.393830][ T1326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 156.394288][ T1326] CR2: 00000000004a1738 CR3: 000000000c9e9001 CR4: 0000000000772ef0 [ 156.394872][ T1326] PKRU: 55555554 [ 156.395144][ T1326] Call Trace: [ 156.395411][ T1326] [ 156.395652][ T1326] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 156.396057][ T1326] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 156.396444][ T1326] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 156.396911][ T1326] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 156.397286][ T1326] netif_set_mtu (net/core/dev.c:9652) [ 156.397664][ T1326] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 156.398055][ T1326] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 156.398571][ T1326] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 156.398867][ T1326] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 156.399383][ T1326] br_add_if (net/bridge/br_if.c:697) bridge [ 156.399819][ T1326] do_set_master (net/core/rtnetlink.c:2948) [ 156.400200][ T1326] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 156.400595][ T1326] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 156.401020][ T1326] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 156.401402][ T1326] ? __dev_get_by_name (net/core/dev.c:865) [ 156.401782][ T1326] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.402171][ T1326] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.402603][ T1326] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 156.402951][ T1326] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.403287][ T1326] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 156.403632][ T1326] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 156.403976][ T1326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.404322][ T1326] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 156.404654][ T1326] ? __lock_release (kernel/locking/lockdep.c:5539) [ 156.404992][ T1326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.405324][ T1326] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 156.405663][ T1326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.406013][ T1326] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.406351][ T1326] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 156.406689][ T1326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.407031][ T1326] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 156.407389][ T1326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 156.407734][ T1326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 156.408078][ T1326] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 156.408420][ T1326] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 156.408751][ T1326] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.409095][ T1326] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 156.409432][ T1326] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 156.409777][ T1326] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 156.410171][ T1326] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 156.410540][ T1326] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 156.410897][ T1326] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 156.411329][ T1326] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 156.411689][ T1326] ___sys_sendmsg (net/socket.c:2670) [ 156.412063][ T1326] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 156.412432][ T1326] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 156.412790][ T1326] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.413143][ T1326] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 156.413482][ T1326] ? __handle_mm_fault (mm/memory.c:6212) [ 156.413818][ T1326] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 156.414155][ T1326] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 156.414502][ T1326] __sys_sendmsg (net/socket.c:2700) [ 156.414839][ T1326] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 156.415178][ T1326] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 156.415548][ T1326] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 156.415890][ T1326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 156.416225][ T1326] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 156.416559][ T1326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 156.416977][ T1326] RIP: 0033:0x7f2ff70031e7 [ 156.417323][ T1326] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 156.418477][ T1326] RSP: 002b:00007fff94cabc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.419014][ T1326] RAX: ffffffffffffffda RBX: 00007fff94cac390 RCX: 00007f2ff70031e7 [ 156.419551][ T1326] RDX: 0000000000000000 RSI: 00007fff94cabcd0 RDI: 0000000000000005 [ 156.420076][ T1326] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 156.420587][ T1326] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff94cac3c8 [ 156.421117][ T1326] R13: 00000000686e423b R14: 0000000000499600 R15: 0000000000000000 | [ 156.622993][ T1328] ------------[ cut here ]------------ | [ 156.623334][ T1328] WARNING: CPU: 0 PID: 1328 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 156.624060][ T1328] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 156.625274][ T1328] Tainted: [W]=WARN [ 156.625535][ T1328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 156.625958][ T1328] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 156.626297][ T1328] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 156.627471][ T1328] RSP: 0018:ffffc90000f37080 EFLAGS: 00010246 [ 156.627877][ T1328] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 156.628357][ T1328] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 156.628835][ T1328] RBP: ffffc90000f37168 R08: 0000000000000000 R09: 0000000000000000 [ 156.629309][ T1328] R10: ffffc90000f37198 R11: ffffffffacca8918 R12: 1ffff920001e6e14 [ 156.629790][ T1328] R13: 00000000000005dc R14: ffffc90000f37198 R15: ffff888010702f08 [ 156.630264][ T1328] FS: 00007fa3203ba800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 156.630839][ T1328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 156.631256][ T1328] CR2: 00000000004a1738 CR3: 0000000004c3b004 CR4: 0000000000772ef0 [ 156.631749][ T1328] PKRU: 55555554 [ 156.632001][ T1328] Call Trace: [ 156.632241][ T1328] [ 156.632407][ T1328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 156.632733][ T1328] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 156.633069][ T1328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 156.633474][ T1328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 156.633808][ T1328] netif_set_mtu (net/core/dev.c:9652) [ 156.634129][ T1328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 156.634458][ T1328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 156.634913][ T1328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 156.635158][ T1328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 156.635592][ T1328] br_add_if (net/bridge/br_if.c:697) bridge [ 156.635968][ T1328] do_set_master (net/core/rtnetlink.c:2948) [ 156.636291][ T1328] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 156.636616][ T1328] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 156.636947][ T1328] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 156.637264][ T1328] ? __dev_get_by_name (net/core/dev.c:865) [ 156.637585][ T1328] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.637910][ T1328] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.638233][ T1328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 156.638545][ T1328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.638879][ T1328] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 156.639216][ T1328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 156.639540][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.639883][ T1328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 156.640207][ T1328] ? __lock_release (kernel/locking/lockdep.c:5539) [ 156.640539][ T1328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.640864][ T1328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 156.641182][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.641503][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.641833][ T1328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 156.642151][ T1328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.642472][ T1328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 156.642807][ T1328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 156.643127][ T1328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 156.643447][ T1328] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 156.643765][ T1328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 156.644092][ T1328] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.644414][ T1328] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 156.644731][ T1328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 156.645065][ T1328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 156.645387][ T1328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 156.645715][ T1328] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 156.646038][ T1328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 156.646443][ T1328] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 156.646764][ T1328] ___sys_sendmsg (net/socket.c:2670) [ 156.647101][ T1328] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 156.647416][ T1328] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 156.647734][ T1328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.648061][ T1328] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 156.648394][ T1328] ? __handle_mm_fault (mm/memory.c:6212) [ 156.648709][ T1328] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 156.649043][ T1328] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 156.649380][ T1328] __sys_sendmsg (net/socket.c:2700) [ 156.649696][ T1328] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 156.650044][ T1328] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 156.650378][ T1328] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 156.650696][ T1328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 156.651026][ T1328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 156.651344][ T1328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 156.651730][ T1328] RIP: 0033:0x7fa3205871e7 [ 156.652071][ T1328] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 156.653204][ T1328] RSP: 002b:00007ffe5d5ae008 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.653678][ T1328] RAX: ffffffffffffffda RBX: 00007ffe5d5ae730 RCX: 00007fa3205871e7 [ 156.654171][ T1328] RDX: 0000000000000000 RSI: 00007ffe5d5ae070 RDI: 0000000000000005 [ 156.654717][ T1328] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 156.655210][ T1328] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe5d5ae768 [ 156.655680][ T1328] R13: 00000000686e423b R14: 0000000000499600 R15: 0000000000000000 | [ 156.815122][ T1329] ------------[ cut here ]------------ | [ 156.815465][ T1329] WARNING: CPU: 0 PID: 1329 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 156.816192][ T1329] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 156.817428][ T1329] Tainted: [W]=WARN [ 156.817686][ T1329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 156.818119][ T1329] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 156.818467][ T1329] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 156.819708][ T1329] RSP: 0018:ffffc90000fa7080 EFLAGS: 00010246 [ 156.820142][ T1329] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 156.820683][ T1329] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 156.821195][ T1329] RBP: ffffc90000fa7168 R08: 0000000000000000 R09: 0000000000000000 [ 156.821740][ T1329] R10: ffffc90000fa7198 R11: ffffffffacca8918 R12: 1ffff920001f4e14 [ 156.822277][ T1329] R13: 00000000000005dc R14: ffffc90000fa7198 R15: ffff888010702f08 [ 156.822806][ T1329] FS: 00007ffa3e031800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 156.823423][ T1329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 156.823847][ T1329] CR2: 00000000004a1738 CR3: 0000000010168003 CR4: 0000000000772ef0 [ 156.824369][ T1329] PKRU: 55555554 [ 156.824632][ T1329] Call Trace: [ 156.824906][ T1329] [ 156.825085][ T1329] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 156.825473][ T1329] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 156.825857][ T1329] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 156.826304][ T1329] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 156.826653][ T1329] netif_set_mtu (net/core/dev.c:9652) [ 156.827042][ T1329] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 156.827386][ T1329] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 156.827894][ T1329] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 156.828171][ T1329] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 156.828647][ T1329] br_add_if (net/bridge/br_if.c:697) bridge [ 156.829075][ T1329] do_set_master (net/core/rtnetlink.c:2948) [ 156.829427][ T1329] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 156.829793][ T1329] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 156.830152][ T1329] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 156.830564][ T1329] ? __dev_get_by_name (net/core/dev.c:865) [ 156.830946][ T1329] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.831314][ T1329] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 156.831667][ T1329] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 156.832027][ T1329] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.832393][ T1329] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 156.832747][ T1329] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 156.833114][ T1329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.833467][ T1329] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 156.833837][ T1329] ? __lock_release (kernel/locking/lockdep.c:5539) [ 156.834184][ T1329] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 156.834576][ T1329] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 156.834957][ T1329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.835314][ T1329] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.835663][ T1329] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 156.836029][ T1329] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 156.836377][ T1329] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 156.836733][ T1329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 156.837115][ T1329] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 156.837476][ T1329] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 156.837828][ T1329] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 156.838191][ T1329] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 156.838572][ T1329] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 156.838926][ T1329] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 156.839280][ T1329] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 156.839632][ T1329] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 156.839989][ T1329] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 156.840339][ T1329] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 156.840766][ T1329] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 156.841121][ T1329] ___sys_sendmsg (net/socket.c:2670) [ 156.841463][ T1329] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 156.841809][ T1329] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 156.842175][ T1329] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 156.842583][ T1329] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 156.842944][ T1329] ? __handle_mm_fault (mm/memory.c:6212) [ 156.843283][ T1329] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 156.843634][ T1329] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 156.843985][ T1329] __sys_sendmsg (net/socket.c:2700) [ 156.844310][ T1329] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 156.844634][ T1329] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 156.845009][ T1329] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 156.845346][ T1329] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 156.845699][ T1329] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 156.846042][ T1329] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 156.846433][ T1329] RIP: 0033:0x7ffa3e1fe1e7 [ 156.846781][ T1329] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 156.847993][ T1329] RSP: 002b:00007fffffa52aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 156.848480][ T1329] RAX: ffffffffffffffda RBX: 00007fffffa531d0 RCX: 00007ffa3e1fe1e7 [ 156.848966][ T1329] RDX: 0000000000000000 RSI: 00007fffffa52b10 RDI: 0000000000000005 [ 156.849444][ T1329] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 156.849935][ T1329] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffffa53208 [ 156.850441][ T1329] R13: 00000000686e423b R14: 0000000000499600 R15: 0000000000000000 | [ 157.038065][ T1331] ------------[ cut here ]------------ | [ 157.038388][ T1331] WARNING: CPU: 0 PID: 1331 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 157.039023][ T1331] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 157.040186][ T1331] Tainted: [W]=WARN [ 157.040452][ T1331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 157.040888][ T1331] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 157.041221][ T1331] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 157.042415][ T1331] RSP: 0018:ffffc90000d87080 EFLAGS: 00010246 [ 157.042837][ T1331] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 157.043314][ T1331] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 157.043810][ T1331] RBP: ffffc90000d87168 R08: 0000000000000000 R09: 0000000000000000 [ 157.044290][ T1331] R10: ffffc90000d87198 R11: ffffffffacca8918 R12: 1ffff920001b0e14 [ 157.044784][ T1331] R13: 00000000000005dc R14: ffffc90000d87198 R15: ffff888010702f08 [ 157.045270][ T1331] FS: 00007f5fa05d7800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 157.045843][ T1331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.046252][ T1331] CR2: 00000000004a1738 CR3: 0000000010168006 CR4: 0000000000772ef0 [ 157.046750][ T1331] PKRU: 55555554 [ 157.047013][ T1331] Call Trace: [ 157.047259][ T1331] [ 157.047425][ T1331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 157.047757][ T1331] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 157.048102][ T1331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 157.048513][ T1331] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 157.048852][ T1331] netif_set_mtu (net/core/dev.c:9652) [ 157.049178][ T1331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 157.049507][ T1331] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 157.049975][ T1331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 157.050218][ T1331] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 157.050681][ T1331] br_add_if (net/bridge/br_if.c:697) bridge [ 157.051073][ T1331] do_set_master (net/core/rtnetlink.c:2948) [ 157.051393][ T1331] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 157.051721][ T1331] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 157.052072][ T1331] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 157.052392][ T1331] ? __dev_get_by_name (net/core/dev.c:865) [ 157.052722][ T1331] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.053049][ T1331] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.053378][ T1331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 157.053691][ T1331] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.054019][ T1331] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 157.054360][ T1331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 157.054682][ T1331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.055018][ T1331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 157.055351][ T1331] ? __lock_release (kernel/locking/lockdep.c:5539) [ 157.055668][ T1331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.055997][ T1331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 157.056315][ T1331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.056643][ T1331] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.056979][ T1331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 157.057302][ T1331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.057624][ T1331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 157.057971][ T1331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 157.058289][ T1331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 157.058613][ T1331] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 157.058945][ T1331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 157.059266][ T1331] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.059594][ T1331] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 157.059927][ T1331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 157.060245][ T1331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 157.060601][ T1331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 157.060937][ T1331] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 157.061285][ T1331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 157.061724][ T1331] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 157.062067][ T1331] ___sys_sendmsg (net/socket.c:2670) [ 157.062395][ T1331] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 157.062718][ T1331] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 157.063042][ T1331] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.063358][ T1331] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 157.063679][ T1331] ? __handle_mm_fault (mm/memory.c:6212) [ 157.064008][ T1331] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 157.064324][ T1331] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 157.064661][ T1331] __sys_sendmsg (net/socket.c:2700) [ 157.064998][ T1331] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 157.065319][ T1331] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 157.065647][ T1331] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 157.065986][ T1331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 157.066357][ T1331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 157.066728][ T1331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 157.067171][ T1331] RIP: 0033:0x7f5fa07a41e7 [ 157.067536][ T1331] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 157.068718][ T1331] RSP: 002b:00007ffd9b3915f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.069216][ T1331] RAX: ffffffffffffffda RBX: 00007ffd9b391d20 RCX: 00007f5fa07a41e7 [ 157.069697][ T1331] RDX: 0000000000000000 RSI: 00007ffd9b391660 RDI: 0000000000000005 [ 157.070187][ T1331] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 157.070709][ T1331] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd9b391d58 [ 157.071211][ T1331] R13: 00000000686e423b R14: 0000000000499600 R15: 0000000000000000 | [ 157.220150][ T1334] ------------[ cut here ]------------ | [ 157.220532][ T1334] WARNING: CPU: 2 PID: 1334 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 157.221291][ T1334] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 157.222622][ T1334] Tainted: [W]=WARN [ 157.222911][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 157.223368][ T1334] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 157.223751][ T1334] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 157.225037][ T1334] RSP: 0018:ffffc90000f57080 EFLAGS: 00010246 [ 157.225497][ T1334] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 157.226050][ T1334] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 157.226598][ T1334] RBP: ffffc90000f57168 R08: 0000000000000000 R09: 0000000000000000 [ 157.227161][ T1334] R10: ffffc90000f57198 R11: ffffffffacca8918 R12: 1ffff920001eae14 [ 157.227714][ T1334] R13: 00000000000005dc R14: ffffc90000f57198 R15: ffff888010702f08 [ 157.228271][ T1334] FS: 00007f893f0ef800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 157.228905][ T1334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.229352][ T1334] CR2: 00005555ef079118 CR3: 000000000926d005 CR4: 0000000000772ef0 [ 157.229912][ T1334] PKRU: 55555554 [ 157.230191][ T1334] Call Trace: [ 157.230513][ T1334] [ 157.230713][ T1334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 157.231104][ T1334] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 157.231471][ T1334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 157.231932][ T1334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 157.232301][ T1334] netif_set_mtu (net/core/dev.c:9652) [ 157.232656][ T1334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 157.233034][ T1334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 157.233525][ T1334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 157.233808][ T1334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 157.234294][ T1334] br_add_if (net/bridge/br_if.c:697) bridge [ 157.234706][ T1334] do_set_master (net/core/rtnetlink.c:2948) [ 157.235084][ T1334] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 157.235464][ T1334] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 157.235840][ T1334] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 157.236199][ T1334] ? __dev_get_by_name (net/core/dev.c:865) [ 157.236558][ T1334] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.236928][ T1334] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.237295][ T1334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 157.237651][ T1334] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.238021][ T1334] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 157.238383][ T1334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 157.238749][ T1334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.239135][ T1334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 157.239494][ T1334] ? __lock_release (kernel/locking/lockdep.c:5539) [ 157.239870][ T1334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.240234][ T1334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 157.240607][ T1334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.240986][ T1334] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.241359][ T1334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 157.241718][ T1334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.242089][ T1334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 157.242462][ T1334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 157.242862][ T1334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 157.243238][ T1334] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 157.243613][ T1334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 157.243987][ T1334] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.244360][ T1334] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 157.244730][ T1334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 157.245109][ T1334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 157.245489][ T1334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 157.245881][ T1334] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 157.246250][ T1334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 157.246720][ T1334] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 157.247093][ T1334] ___sys_sendmsg (net/socket.c:2670) [ 157.247434][ T1334] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 157.247788][ T1334] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 157.248140][ T1334] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.248488][ T1334] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 157.248865][ T1334] ? __handle_mm_fault (mm/memory.c:6212) [ 157.249214][ T1334] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 157.249556][ T1334] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 157.249949][ T1334] __sys_sendmsg (net/socket.c:2700) [ 157.250315][ T1334] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 157.250702][ T1334] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 157.251085][ T1334] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 157.251434][ T1334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 157.251798][ T1334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 157.252147][ T1334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 157.252572][ T1334] RIP: 0033:0x7f893f2bc1e7 [ 157.252941][ T1334] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 157.254173][ T1334] RSP: 002b:00007ffd1faeb1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.254685][ T1334] RAX: ffffffffffffffda RBX: 00007ffd1faeb8d0 RCX: 00007f893f2bc1e7 [ 157.255214][ T1334] RDX: 0000000000000000 RSI: 00007ffd1faeb210 RDI: 0000000000000005 [ 157.255731][ T1334] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 157.256251][ T1334] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1faeb908 [ 157.256761][ T1334] R13: 00000000686e423c R14: 0000000000499600 R15: 0000000000000000 | [ 157.432730][ T1336] ------------[ cut here ]------------ | [ 157.433175][ T1336] WARNING: CPU: 2 PID: 1336 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 157.433870][ T1336] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 157.435108][ T1336] Tainted: [W]=WARN [ 157.435377][ T1336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 157.435815][ T1336] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 157.436171][ T1336] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 157.437410][ T1336] RSP: 0018:ffffc90000f57080 EFLAGS: 00010246 [ 157.437880][ T1336] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 157.438405][ T1336] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 157.438932][ T1336] RBP: ffffc90000f57168 R08: 0000000000000000 R09: 0000000000000000 [ 157.439464][ T1336] R10: ffffc90000f57198 R11: ffffffffacca8918 R12: 1ffff920001eae14 [ 157.440004][ T1336] R13: 00000000000005dc R14: ffffc90000f57198 R15: ffff888010702f08 [ 157.440632][ T1336] FS: 00007f99e69d1800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 157.441230][ T1336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.441652][ T1336] CR2: 00000000004a1738 CR3: 000000000cb78004 CR4: 0000000000772ef0 [ 157.442159][ T1336] PKRU: 55555554 [ 157.442418][ T1336] Call Trace: [ 157.442686][ T1336] [ 157.442893][ T1336] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 157.443242][ T1336] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 157.443585][ T1336] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 157.444004][ T1336] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 157.444349][ T1336] netif_set_mtu (net/core/dev.c:9652) [ 157.444687][ T1336] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 157.445057][ T1336] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 157.445524][ T1336] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 157.445794][ T1336] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 157.446251][ T1336] br_add_if (net/bridge/br_if.c:697) bridge [ 157.446633][ T1336] do_set_master (net/core/rtnetlink.c:2948) [ 157.446975][ T1336] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 157.447315][ T1336] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 157.447650][ T1336] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 157.448003][ T1336] ? __dev_get_by_name (net/core/dev.c:865) [ 157.448347][ T1336] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.448681][ T1336] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.449196][ T1336] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 157.449537][ T1336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.449885][ T1336] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 157.450230][ T1336] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 157.450612][ T1336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.450967][ T1336] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 157.451296][ T1336] ? __lock_release (kernel/locking/lockdep.c:5539) [ 157.451638][ T1336] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.451974][ T1336] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 157.452310][ T1336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.452667][ T1336] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.453014][ T1336] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 157.453348][ T1336] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.453689][ T1336] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 157.454042][ T1336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 157.454376][ T1336] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 157.454713][ T1336] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 157.455058][ T1336] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 157.455392][ T1336] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.455728][ T1336] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 157.456072][ T1336] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 157.456423][ T1336] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 157.456781][ T1336] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 157.457124][ T1336] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 157.457459][ T1336] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 157.457927][ T1336] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 157.458294][ T1336] ___sys_sendmsg (net/socket.c:2670) [ 157.458658][ T1336] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 157.459015][ T1336] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 157.459379][ T1336] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.459730][ T1336] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 157.460088][ T1336] ? __handle_mm_fault (mm/memory.c:6212) [ 157.460470][ T1336] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 157.460842][ T1336] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 157.461229][ T1336] __sys_sendmsg (net/socket.c:2700) [ 157.461583][ T1336] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 157.461956][ T1336] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 157.462317][ T1336] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 157.462675][ T1336] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 157.463045][ T1336] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 157.463392][ T1336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 157.463831][ T1336] RIP: 0033:0x7f99e6b9e1e7 [ 157.464214][ T1336] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 157.465444][ T1336] RSP: 002b:00007ffda450a648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.465969][ T1336] RAX: ffffffffffffffda RBX: 00007ffda450ad70 RCX: 00007f99e6b9e1e7 [ 157.466487][ T1336] RDX: 0000000000000000 RSI: 00007ffda450a6b0 RDI: 0000000000000005 [ 157.467013][ T1336] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 157.467524][ T1336] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda450ada8 [ 157.468049][ T1336] R13: 00000000686e423c R14: 0000000000499600 R15: 0000000000000000 | [ 157.632020][ T1338] ------------[ cut here ]------------ | [ 157.632363][ T1338] WARNING: CPU: 0 PID: 1338 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 157.633046][ T1338] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 157.634335][ T1338] Tainted: [W]=WARN [ 157.634634][ T1338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 157.635065][ T1338] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 157.635535][ T1338] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 157.636859][ T1338] RSP: 0018:ffffc90000fb7080 EFLAGS: 00010246 [ 157.637293][ T1338] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 157.637804][ T1338] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 157.638339][ T1338] RBP: ffffc90000fb7168 R08: 0000000000000000 R09: 0000000000000000 [ 157.638839][ T1338] R10: ffffc90000fb7198 R11: ffffffffacca8918 R12: 1ffff920001f6e14 [ 157.639351][ T1338] R13: 00000000000005dc R14: ffffc90000fb7198 R15: ffff888010702f08 [ 157.639854][ T1338] FS: 00007f9e0c9b4800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 157.640583][ T1338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.641037][ T1338] CR2: 00000000004a1738 CR3: 0000000004ec9004 CR4: 0000000000772ef0 [ 157.641591][ T1338] PKRU: 55555554 [ 157.641863][ T1338] Call Trace: [ 157.642105][ T1338] [ 157.642272][ T1338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 157.642602][ T1338] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 157.642937][ T1338] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 157.643362][ T1338] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 157.643689][ T1338] netif_set_mtu (net/core/dev.c:9652) [ 157.644037][ T1338] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 157.644390][ T1338] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 157.644869][ T1338] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 157.645124][ T1338] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 157.645606][ T1338] br_add_if (net/bridge/br_if.c:697) bridge [ 157.645992][ T1338] do_set_master (net/core/rtnetlink.c:2948) [ 157.646336][ T1338] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 157.646672][ T1338] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 157.647008][ T1338] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 157.647357][ T1338] ? __dev_get_by_name (net/core/dev.c:865) [ 157.647703][ T1338] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.648043][ T1338] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.648439][ T1338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 157.648814][ T1338] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.649183][ T1338] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 157.649682][ T1338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 157.650033][ T1338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.650396][ T1338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 157.650716][ T1338] ? __lock_release (kernel/locking/lockdep.c:5539) [ 157.651152][ T1338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.651507][ T1338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 157.651850][ T1338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.652194][ T1338] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.652651][ T1338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 157.652993][ T1338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.653394][ T1338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 157.653744][ T1338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 157.654078][ T1338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 157.654416][ T1338] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 157.654850][ T1338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 157.655192][ T1338] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.655596][ T1338] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 157.655978][ T1338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 157.656366][ T1338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 157.656701][ T1338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 157.657042][ T1338] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 157.657433][ T1338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 157.657861][ T1338] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 157.658205][ T1338] ___sys_sendmsg (net/socket.c:2670) [ 157.658565][ T1338] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 157.658918][ T1338] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 157.659269][ T1338] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.659600][ T1338] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 157.659952][ T1338] ? __handle_mm_fault (mm/memory.c:6212) [ 157.660335][ T1338] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 157.660683][ T1338] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 157.661051][ T1338] __sys_sendmsg (net/socket.c:2700) [ 157.661394][ T1338] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 157.661730][ T1338] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 157.662079][ T1338] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 157.662409][ T1338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 157.662732][ T1338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 157.663072][ T1338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 157.663507][ T1338] RIP: 0033:0x7f9e0cb811e7 [ 157.663867][ T1338] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 157.665375][ T1338] RSP: 002b:00007fffb1c871c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.666190][ T1338] RAX: ffffffffffffffda RBX: 00007fffb1c878f0 RCX: 00007f9e0cb811e7 [ 157.667023][ T1338] RDX: 0000000000000000 RSI: 00007fffb1c87230 RDI: 0000000000000005 [ 157.667896][ T1338] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 157.668747][ T1338] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb1c87928 [ 157.669616][ T1338] R13: 00000000686e423c R14: 0000000000499600 R15: 0000000000000000 | [ 157.830795][ T1340] ------------[ cut here ]------------ | [ 157.831144][ T1340] WARNING: CPU: 2 PID: 1340 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 157.831910][ T1340] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 157.833149][ T1340] Tainted: [W]=WARN [ 157.833415][ T1340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 157.833862][ T1340] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 157.834227][ T1340] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 157.835422][ T1340] RSP: 0018:ffffc90000fb7080 EFLAGS: 00010246 [ 157.835867][ T1340] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 157.836391][ T1340] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 157.836905][ T1340] RBP: ffffc90000fb7168 R08: 0000000000000000 R09: 0000000000000000 [ 157.837416][ T1340] R10: ffffc90000fb7198 R11: ffffffffacca8918 R12: 1ffff920001f6e14 [ 157.837943][ T1340] R13: 00000000000005dc R14: ffffc90000fb7198 R15: ffff888010702f08 [ 157.838459][ T1340] FS: 00007ff15401b800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 157.839070][ T1340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.839497][ T1340] CR2: 00000000004a1738 CR3: 000000000ca57004 CR4: 0000000000772ef0 [ 157.840015][ T1340] PKRU: 55555554 [ 157.840280][ T1340] Call Trace: [ 157.840552][ T1340] [ 157.840741][ T1340] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 157.841106][ T1340] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 157.841461][ T1340] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 157.841900][ T1340] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 157.842256][ T1340] netif_set_mtu (net/core/dev.c:9652) [ 157.842614][ T1340] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 157.842985][ T1340] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 157.843489][ T1340] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 157.843787][ T1340] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 157.844273][ T1340] br_add_if (net/bridge/br_if.c:697) bridge [ 157.844683][ T1340] do_set_master (net/core/rtnetlink.c:2948) [ 157.845048][ T1340] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 157.845401][ T1340] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 157.845754][ T1340] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 157.846114][ T1340] ? __dev_get_by_name (net/core/dev.c:865) [ 157.846459][ T1340] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.846814][ T1340] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 157.847179][ T1340] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 157.847525][ T1340] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.847885][ T1340] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 157.848246][ T1340] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 157.848600][ T1340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.848970][ T1340] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 157.849316][ T1340] ? __lock_release (kernel/locking/lockdep.c:5539) [ 157.849670][ T1340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 157.850026][ T1340] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 157.850400][ T1340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.850751][ T1340] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.851112][ T1340] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 157.851464][ T1340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 157.851822][ T1340] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 157.852182][ T1340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 157.852532][ T1340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 157.852897][ T1340] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 157.853251][ T1340] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 157.853599][ T1340] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 157.853960][ T1340] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 157.854310][ T1340] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 157.854657][ T1340] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 157.855027][ T1340] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 157.855414][ T1340] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 157.855784][ T1340] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 157.856228][ T1340] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 157.856589][ T1340] ___sys_sendmsg (net/socket.c:2670) [ 157.856951][ T1340] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 157.857305][ T1340] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 157.857652][ T1340] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 157.858012][ T1340] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 157.858369][ T1340] ? __handle_mm_fault (mm/memory.c:6212) [ 157.858724][ T1340] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 157.859080][ T1340] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 157.859455][ T1340] __sys_sendmsg (net/socket.c:2700) [ 157.859813][ T1340] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 157.860166][ T1340] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 157.860545][ T1340] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 157.860907][ T1340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 157.861261][ T1340] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 157.861615][ T1340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 157.862063][ T1340] RIP: 0033:0x7ff1541e81e7 [ 157.862430][ T1340] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 157.863659][ T1340] RSP: 002b:00007ffcf2df1108 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 157.864190][ T1340] RAX: ffffffffffffffda RBX: 00007ffcf2df1830 RCX: 00007ff1541e81e7 [ 157.864702][ T1340] RDX: 0000000000000000 RSI: 00007ffcf2df1170 RDI: 0000000000000005 [ 157.865235][ T1340] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 157.865755][ T1340] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcf2df1868 [ 157.866280][ T1340] R13: 00000000686e423c R14: 0000000000499600 R15: 0000000000000000 | [ 158.005964][ T1341] ------------[ cut here ]------------ | [ 158.006353][ T1341] WARNING: CPU: 2 PID: 1341 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 158.007158][ T1341] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 158.008486][ T1341] Tainted: [W]=WARN [ 158.008783][ T1341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 158.009235][ T1341] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 158.009621][ T1341] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 158.010874][ T1341] RSP: 0018:ffffc90000fb7080 EFLAGS: 00010246 [ 158.011332][ T1341] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 158.011864][ T1341] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 158.012377][ T1341] RBP: ffffc90000fb7168 R08: 0000000000000000 R09: 0000000000000000 [ 158.012922][ T1341] R10: ffffc90000fb7198 R11: ffffffffacca8918 R12: 1ffff920001f6e14 [ 158.013452][ T1341] R13: 00000000000005dc R14: ffffc90000fb7198 R15: ffff888010702f08 [ 158.013986][ T1341] FS: 00007f81e9fb1800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 158.014590][ T1341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.015033][ T1341] CR2: 00007f81ea17e1d0 CR3: 0000000010904001 CR4: 0000000000772ef0 [ 158.015576][ T1341] PKRU: 55555554 [ 158.015855][ T1341] Call Trace: [ 158.016134][ T1341] [ 158.016329][ T1341] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 158.016690][ T1341] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 158.017067][ T1341] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 158.017512][ T1341] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 158.017873][ T1341] netif_set_mtu (net/core/dev.c:9652) [ 158.018248][ T1341] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 158.018861][ T1341] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 158.019570][ T1341] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 158.020087][ T1341] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 158.020572][ T1341] br_add_if (net/bridge/br_if.c:697) bridge [ 158.021214][ T1341] do_set_master (net/core/rtnetlink.c:2948) [ 158.021585][ T1341] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 158.021959][ T1341] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 158.022322][ T1341] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 158.022913][ T1341] ? __dev_get_by_name (net/core/dev.c:865) [ 158.023265][ T1341] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.023613][ T1341] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.023984][ T1341] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 158.024328][ T1341] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.025150][ T1341] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 158.025514][ T1341] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 158.025887][ T1341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.026254][ T1341] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 158.026601][ T1341] ? __lock_release (kernel/locking/lockdep.c:5539) [ 158.026957][ T1341] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.027311][ T1341] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 158.027655][ T1341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.028240][ T1341] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.028599][ T1341] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 158.028957][ T1341] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.029322][ T1341] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 158.029930][ T1341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 158.030283][ T1341] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 158.030654][ T1341] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 158.031016][ T1341] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 158.031588][ T1341] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.031950][ T1341] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 158.032300][ T1341] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 158.032651][ T1341] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 158.033242][ T1341] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 158.033609][ T1341] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 158.033963][ T1341] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 158.034394][ T1341] ___sys_sendmsg (net/socket.c:2670) [ 158.034984][ T1341] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 158.035341][ T1341] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 158.035686][ T1341] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 158.036064][ T1341] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 158.036664][ T1341] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.037034][ T1341] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 158.037392][ T1341] __sys_sendmsg (net/socket.c:2700) [ 158.037751][ T1341] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 158.038120][ T1341] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 158.038491][ T1341] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 158.038863][ T1341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 158.039289][ T1341] RIP: 0033:0x7f81ea17e1e7 [ 158.039652][ T1341] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 158.041146][ T1341] RSP: 002b:00007fff9b2c48b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.041684][ T1341] RAX: ffffffffffffffda RBX: 00007fff9b2c4fe0 RCX: 00007f81ea17e1e7 [ 158.042239][ T1341] RDX: 0000000000000000 RSI: 00007fff9b2c4920 RDI: 0000000000000005 [ 158.043043][ T1341] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 158.043587][ T1341] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff9b2c5018 [ 158.044139][ T1341] R13: 00000000686e423c R14: 0000000000499600 R15: 0000000000000000 | [ 158.225934][ T1343] ------------[ cut here ]------------ | [ 158.226290][ T1343] WARNING: CPU: 0 PID: 1343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 158.227297][ T1343] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 158.228763][ T1343] Tainted: [W]=WARN [ 158.229078][ T1343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 158.229483][ T1343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 158.229841][ T1343] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 158.231214][ T1343] RSP: 0018:ffffc90000fb7080 EFLAGS: 00010246 [ 158.231676][ T1343] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 158.232299][ T1343] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 158.232980][ T1343] RBP: ffffc90000fb7168 R08: 0000000000000000 R09: 0000000000000000 [ 158.233465][ T1343] R10: ffffc90000fb7198 R11: ffffffffacca8918 R12: 1ffff920001f6e14 [ 158.233986][ T1343] R13: 00000000000005dc R14: ffffc90000fb7198 R15: ffff888010702f08 [ 158.234472][ T1343] FS: 00007f2d89381800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 158.235067][ T1343] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.235479][ T1343] CR2: 00007f2d895955c0 CR3: 000000000e112002 CR4: 0000000000772ef0 [ 158.236008][ T1343] PKRU: 55555554 [ 158.236254][ T1343] Call Trace: [ 158.236496][ T1343] [ 158.236739][ T1343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 158.237118][ T1343] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 158.237449][ T1343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 158.237875][ T1343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 158.238205][ T1343] netif_set_mtu (net/core/dev.c:9652) [ 158.238529][ T1343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 158.238882][ T1343] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 158.239342][ T1343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 158.239615][ T1343] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 158.240090][ T1343] br_add_if (net/bridge/br_if.c:697) bridge [ 158.240479][ T1343] do_set_master (net/core/rtnetlink.c:2948) [ 158.240864][ T1343] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 158.241215][ T1343] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 158.241573][ T1343] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 158.241908][ T1343] ? __dev_get_by_name (net/core/dev.c:865) [ 158.242243][ T1343] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.242574][ T1343] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.242927][ T1343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 158.243261][ T1343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.243606][ T1343] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 158.243984][ T1343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 158.244322][ T1343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.244678][ T1343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 158.245010][ T1343] ? __lock_release (kernel/locking/lockdep.c:5539) [ 158.245336][ T1343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.245662][ T1343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 158.246012][ T1343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.246346][ T1343] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.246694][ T1343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 158.247041][ T1343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.247387][ T1343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 158.247801][ T1343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 158.248134][ T1343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 158.248459][ T1343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 158.248799][ T1343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 158.249154][ T1343] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.249520][ T1343] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 158.249865][ T1343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 158.250193][ T1343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 158.250538][ T1343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 158.250878][ T1343] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 158.251206][ T1343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 158.251643][ T1343] ___sys_sendmsg (net/socket.c:2670) [ 158.252001][ T1343] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 158.252330][ T1343] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 158.252664][ T1343] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.252997][ T1343] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 158.253342][ T1343] ? __handle_mm_fault (mm/memory.c:6212) [ 158.253672][ T1343] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 158.254017][ T1343] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 158.254368][ T1343] __sys_sendmsg (net/socket.c:2700) [ 158.254695][ T1343] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 158.255039][ T1343] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 158.255467][ T1343] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 158.255919][ T1343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 158.256331][ T1343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 158.256686][ T1343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 158.257157][ T1343] RIP: 0033:0x7f2d8954e1e7 [ 158.257536][ T1343] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 158.258808][ T1343] RSP: 002b:00007ffc4434fc18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.259359][ T1343] RAX: ffffffffffffffda RBX: 00007ffc44350340 RCX: 00007f2d8954e1e7 [ 158.259924][ T1343] RDX: 0000000000000000 RSI: 00007ffc4434fc80 RDI: 0000000000000005 [ 158.260490][ T1343] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 158.261108][ T1343] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc44350378 [ 158.261709][ T1343] R13: 00000000686e423d R14: 0000000000499600 R15: 0000000000000000 | [ 158.447159][ T1345] ------------[ cut here ]------------ | [ 158.447513][ T1345] WARNING: CPU: 3 PID: 1345 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 158.448269][ T1345] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 158.449504][ T1345] Tainted: [W]=WARN [ 158.449761][ T1345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 158.450332][ T1345] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 158.450692][ T1345] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 158.451932][ T1345] RSP: 0018:ffffc90000f77080 EFLAGS: 00010246 [ 158.452377][ T1345] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 158.452871][ T1345] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 158.453360][ T1345] RBP: ffffc90000f77168 R08: 0000000000000000 R09: 0000000000000000 [ 158.453865][ T1345] R10: ffffc90000f77198 R11: ffffffffacca8918 R12: 1ffff920001eee14 [ 158.454396][ T1345] R13: 00000000000005dc R14: ffffc90000f77198 R15: ffff888010702f08 [ 158.454914][ T1345] FS: 00007f383b35b800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 158.455512][ T1345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.455949][ T1345] CR2: 00000000004a1738 CR3: 000000000e112006 CR4: 0000000000772ef0 [ 158.456487][ T1345] PKRU: 55555554 [ 158.456734][ T1345] Call Trace: [ 158.457012][ T1345] [ 158.457186][ T1345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 158.457542][ T1345] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 158.457884][ T1345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 158.458291][ T1345] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 158.458620][ T1345] netif_set_mtu (net/core/dev.c:9652) [ 158.458958][ T1345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 158.459301][ T1345] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 158.459764][ T1345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 158.460038][ T1345] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 158.460508][ T1345] br_add_if (net/bridge/br_if.c:697) bridge [ 158.460899][ T1345] do_set_master (net/core/rtnetlink.c:2948) [ 158.461233][ T1345] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 158.461563][ T1345] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 158.461899][ T1345] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 158.462225][ T1345] ? __dev_get_by_name (net/core/dev.c:865) [ 158.462551][ T1345] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.462883][ T1345] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.463216][ T1345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 158.463537][ T1345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.463879][ T1345] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 158.464221][ T1345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 158.464552][ T1345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.464926][ T1345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 158.465247][ T1345] ? __lock_release (kernel/locking/lockdep.c:5539) [ 158.465574][ T1345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.465910][ T1345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 158.466240][ T1345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.466573][ T1345] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.466913][ T1345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 158.467240][ T1345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.467565][ T1345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 158.467908][ T1345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 158.468230][ T1345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 158.468588][ T1345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 158.468992][ T1345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 158.469329][ T1345] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.469668][ T1345] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 158.470032][ T1345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 158.470393][ T1345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 158.470732][ T1345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 158.471089][ T1345] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 158.471419][ T1345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 158.471837][ T1345] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 158.472188][ T1345] ___sys_sendmsg (net/socket.c:2670) [ 158.472526][ T1345] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 158.472864][ T1345] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 158.473211][ T1345] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.473537][ T1345] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 158.473876][ T1345] ? __handle_mm_fault (mm/memory.c:6212) [ 158.474220][ T1345] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 158.474564][ T1345] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 158.474943][ T1345] __sys_sendmsg (net/socket.c:2700) [ 158.475278][ T1345] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 158.475601][ T1345] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 158.475974][ T1345] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 158.476301][ T1345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 158.476632][ T1345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 158.476985][ T1345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 158.477397][ T1345] RIP: 0033:0x7f383b5281e7 [ 158.477741][ T1345] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 158.478941][ T1345] RSP: 002b:00007fffb56cd7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.479455][ T1345] RAX: ffffffffffffffda RBX: 00007fffb56cded0 RCX: 00007f383b5281e7 [ 158.479970][ T1345] RDX: 0000000000000000 RSI: 00007fffb56cd810 RDI: 0000000000000005 [ 158.480483][ T1345] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 158.480975][ T1345] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffb56cdf08 [ 158.481474][ T1345] R13: 00000000686e423d R14: 0000000000499600 R15: 0000000000000000 | [ 158.673974][ T1347] ------------[ cut here ]------------ | [ 158.674323][ T1347] WARNING: CPU: 3 PID: 1347 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 158.675057][ T1347] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 158.676279][ T1347] Tainted: [W]=WARN [ 158.676524][ T1347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 158.676941][ T1347] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 158.677289][ T1347] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 158.678463][ T1347] RSP: 0018:ffffc90000fe7080 EFLAGS: 00010246 [ 158.678886][ T1347] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 158.679376][ T1347] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 158.679870][ T1347] RBP: ffffc90000fe7168 R08: 0000000000000000 R09: 0000000000000000 [ 158.680359][ T1347] R10: ffffc90000fe7198 R11: ffffffffacca8918 R12: 1ffff920001fce14 [ 158.680861][ T1347] R13: 00000000000005dc R14: ffffc90000fe7198 R15: ffff888010702f08 [ 158.681348][ T1347] FS: 00007f94d5132800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 158.681942][ T1347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.682358][ T1347] CR2: 00000000004a1738 CR3: 0000000009936003 CR4: 0000000000772ef0 [ 158.682854][ T1347] PKRU: 55555554 [ 158.683105][ T1347] Call Trace: [ 158.683345][ T1347] [ 158.683513][ T1347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 158.683876][ T1347] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 158.684221][ T1347] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 158.684638][ T1347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 158.684983][ T1347] netif_set_mtu (net/core/dev.c:9652) [ 158.685316][ T1347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 158.685656][ T1347] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 158.686126][ T1347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 158.686373][ T1347] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 158.686823][ T1347] br_add_if (net/bridge/br_if.c:697) bridge [ 158.687207][ T1347] do_set_master (net/core/rtnetlink.c:2948) [ 158.687534][ T1347] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 158.687899][ T1347] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 158.688233][ T1347] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 158.688557][ T1347] ? __dev_get_by_name (net/core/dev.c:865) [ 158.688888][ T1347] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.689230][ T1347] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.689577][ T1347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 158.689919][ T1347] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.690251][ T1347] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 158.690604][ T1347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 158.690941][ T1347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.691287][ T1347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 158.691611][ T1347] ? __lock_release (kernel/locking/lockdep.c:5539) [ 158.691953][ T1347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.692278][ T1347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 158.692604][ T1347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.692946][ T1347] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.693277][ T1347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 158.693620][ T1347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.693963][ T1347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 158.694323][ T1347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 158.694672][ T1347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 158.695023][ T1347] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 158.695366][ T1347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 158.695699][ T1347] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.696064][ T1347] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 158.696417][ T1347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 158.696753][ T1347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 158.697123][ T1347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 158.697483][ T1347] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 158.697825][ T1347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 158.698251][ T1347] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 158.698615][ T1347] ___sys_sendmsg (net/socket.c:2670) [ 158.698965][ T1347] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 158.699308][ T1347] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 158.699644][ T1347] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.699989][ T1347] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 158.700324][ T1347] ? __handle_mm_fault (mm/memory.c:6212) [ 158.700647][ T1347] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 158.700974][ T1347] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 158.701308][ T1347] __sys_sendmsg (net/socket.c:2700) [ 158.701627][ T1347] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 158.701953][ T1347] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 158.702282][ T1347] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 158.702613][ T1347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 158.702941][ T1347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 158.703264][ T1347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 158.703656][ T1347] RIP: 0033:0x7f94d52ff1e7 [ 158.703993][ T1347] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 158.705172][ T1347] RSP: 002b:00007ffe6eae9558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.705661][ T1347] RAX: ffffffffffffffda RBX: 00007ffe6eae9c80 RCX: 00007f94d52ff1e7 [ 158.706158][ T1347] RDX: 0000000000000000 RSI: 00007ffe6eae95c0 RDI: 0000000000000005 [ 158.706648][ T1347] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 158.707140][ T1347] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe6eae9cb8 [ 158.707620][ T1347] R13: 00000000686e423d R14: 0000000000499600 R15: 0000000000000000 | [ 158.903994][ T1349] ------------[ cut here ]------------ | [ 158.904315][ T1349] WARNING: CPU: 3 PID: 1349 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 158.905062][ T1349] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 158.906289][ T1349] Tainted: [W]=WARN [ 158.906531][ T1349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 158.906945][ T1349] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 158.907306][ T1349] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 158.908511][ T1349] RSP: 0018:ffffc90001007080 EFLAGS: 00010246 [ 158.908947][ T1349] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 158.909450][ T1349] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 158.909942][ T1349] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000 [ 158.910449][ T1349] R10: ffffc90001007198 R11: ffffffffacca8918 R12: 1ffff92000200e14 [ 158.910939][ T1349] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff888010702f08 [ 158.911437][ T1349] FS: 00007f6faa8c0800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 158.912021][ T1349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 158.912452][ T1349] CR2: 00000000004a1738 CR3: 0000000004f3c001 CR4: 0000000000772ef0 [ 158.912949][ T1349] PKRU: 55555554 [ 158.913203][ T1349] Call Trace: [ 158.913460][ T1349] [ 158.913636][ T1349] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 158.913982][ T1349] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 158.914341][ T1349] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 158.914754][ T1349] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 158.915110][ T1349] netif_set_mtu (net/core/dev.c:9652) [ 158.915460][ T1349] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 158.915814][ T1349] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 158.916293][ T1349] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 158.916549][ T1349] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 158.917014][ T1349] br_add_if (net/bridge/br_if.c:697) bridge [ 158.917410][ T1349] do_set_master (net/core/rtnetlink.c:2948) [ 158.917740][ T1349] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 158.918112][ T1349] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 158.918453][ T1349] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 158.918783][ T1349] ? __dev_get_by_name (net/core/dev.c:865) [ 158.919104][ T1349] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.919444][ T1349] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 158.919784][ T1349] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 158.920108][ T1349] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.920460][ T1349] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 158.920817][ T1349] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 158.921146][ T1349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.921492][ T1349] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 158.921824][ T1349] ? __lock_release (kernel/locking/lockdep.c:5539) [ 158.922166][ T1349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 158.922507][ T1349] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 158.922842][ T1349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.923177][ T1349] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.923513][ T1349] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 158.923845][ T1349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 158.924166][ T1349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 158.924515][ T1349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 158.924843][ T1349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 158.925176][ T1349] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 158.925539][ T1349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 158.925873][ T1349] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 158.926210][ T1349] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 158.926539][ T1349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 158.926871][ T1349] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 158.927230][ T1349] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 158.927555][ T1349] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 158.927881][ T1349] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 158.928291][ T1349] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 158.928647][ T1349] ___sys_sendmsg (net/socket.c:2670) [ 158.928976][ T1349] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 158.929295][ T1349] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 158.929621][ T1349] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 158.929952][ T1349] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 158.930301][ T1349] ? __handle_mm_fault (mm/memory.c:6212) [ 158.930646][ T1349] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 158.930982][ T1349] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 158.931322][ T1349] __sys_sendmsg (net/socket.c:2700) [ 158.931677][ T1349] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 158.932010][ T1349] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 158.932334][ T1349] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 158.932685][ T1349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 158.933017][ T1349] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 158.933341][ T1349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 158.933749][ T1349] RIP: 0033:0x7f6faaa8d1e7 [ 158.934104][ T1349] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 158.935304][ T1349] RSP: 002b:00007ffd604ebaa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 158.935875][ T1349] RAX: ffffffffffffffda RBX: 00007ffd604ec1d0 RCX: 00007f6faaa8d1e7 [ 158.936365][ T1349] RDX: 0000000000000000 RSI: 00007ffd604ebb10 RDI: 0000000000000005 [ 158.936877][ T1349] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 158.937372][ T1349] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd604ec208 [ 158.937857][ T1349] R13: 00000000686e423d R14: 0000000000499600 R15: 0000000000000000 | [ 159.081981][ T1351] ------------[ cut here ]------------ | [ 159.082360][ T1351] WARNING: CPU: 2 PID: 1351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 159.083163][ T1351] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 159.084451][ T1351] Tainted: [W]=WARN [ 159.084730][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 159.085191][ T1351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 159.085567][ T1351] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 159.086823][ T1351] RSP: 0018:ffffc90000f67080 EFLAGS: 00010246 [ 159.087274][ T1351] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 159.087792][ T1351] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 159.088315][ T1351] RBP: ffffc90000f67168 R08: 0000000000000000 R09: 0000000000000000 [ 159.088864][ T1351] R10: ffffc90000f67198 R11: ffffffffacca8918 R12: 1ffff920001ece14 [ 159.089395][ T1351] R13: 00000000000005dc R14: ffffc90000f67198 R15: ffff888010702f08 [ 159.089938][ T1351] FS: 00007fe841b33800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 159.090575][ T1351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 159.091036][ T1351] CR2: 00000000004a1738 CR3: 000000000adf0005 CR4: 0000000000772ef0 [ 159.091577][ T1351] PKRU: 55555554 [ 159.091859][ T1351] Call Trace: [ 159.092127][ T1351] [ 159.092326][ T1351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 159.092694][ T1351] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 159.093091][ T1351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 159.093524][ T1351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 159.093889][ T1351] netif_set_mtu (net/core/dev.c:9652) [ 159.094248][ T1351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 159.094604][ T1351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 159.095123][ T1351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 159.095403][ T1351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 159.095911][ T1351] br_add_if (net/bridge/br_if.c:697) bridge [ 159.096331][ T1351] do_set_master (net/core/rtnetlink.c:2948) [ 159.096697][ T1351] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 159.097074][ T1351] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 159.097440][ T1351] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 159.097808][ T1351] ? __dev_get_by_name (net/core/dev.c:865) [ 159.098173][ T1351] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.098561][ T1351] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.098944][ T1351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 159.099311][ T1351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.099689][ T1351] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 159.100073][ T1351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 159.100450][ T1351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.100833][ T1351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 159.101189][ T1351] ? __lock_release (kernel/locking/lockdep.c:5539) [ 159.101552][ T1351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.101921][ T1351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 159.102289][ T1351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.102662][ T1351] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.103046][ T1351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 159.103420][ T1351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.103805][ T1351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 159.104186][ T1351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 159.104546][ T1351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 159.104930][ T1351] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 159.105304][ T1351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 159.105679][ T1351] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.106068][ T1351] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 159.106447][ T1351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 159.106818][ T1351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 159.107190][ T1351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 159.107563][ T1351] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 159.107945][ T1351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 159.108402][ T1351] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 159.108782][ T1351] ___sys_sendmsg (net/socket.c:2670) [ 159.109157][ T1351] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 159.109523][ T1351] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 159.109903][ T1351] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.110272][ T1351] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 159.110671][ T1351] ? __handle_mm_fault (mm/memory.c:6212) [ 159.111063][ T1351] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 159.111434][ T1351] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 159.111839][ T1351] __sys_sendmsg (net/socket.c:2700) [ 159.112241][ T1351] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 159.112611][ T1351] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 159.112983][ T1351] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 159.113355][ T1351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 159.113712][ T1351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 159.114093][ T1351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 159.114542][ T1351] RIP: 0033:0x7fe841d001e7 [ 159.114932][ T1351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 159.116260][ T1351] RSP: 002b:00007ffeb9322c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.116855][ T1351] RAX: ffffffffffffffda RBX: 00007ffeb9323390 RCX: 00007fe841d001e7 [ 159.117419][ T1351] RDX: 0000000000000000 RSI: 00007ffeb9322cd0 RDI: 0000000000000005 [ 159.117970][ T1351] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 159.118518][ T1351] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeb93233c8 [ 159.119072][ T1351] R13: 00000000686e423d R14: 0000000000499600 R15: 0000000000000000 | [ 159.564555][ T1357] ------------[ cut here ]------------ | [ 159.564933][ T1357] WARNING: CPU: 1 PID: 1357 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 159.565605][ T1357] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 159.566829][ T1357] Tainted: [W]=WARN [ 159.567085][ T1357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 159.567509][ T1357] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 159.568019][ T1357] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 159.569365][ T1357] RSP: 0018:ffffc90001037080 EFLAGS: 00010246 [ 159.569960][ T1357] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 159.570468][ T1357] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 159.571127][ T1357] RBP: ffffc90001037168 R08: 0000000000000000 R09: 0000000000000000 [ 159.571603][ T1357] R10: ffffc90001037198 R11: ffffffffacca8918 R12: 1ffff92000206e14 [ 159.572133][ T1357] R13: 00000000000005dc R14: ffffc90001037198 R15: ffff88800a68af08 [ 159.572625][ T1357] FS: 00007faa9dacd800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 159.573209][ T1357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 159.573614][ T1357] CR2: 00000000004a1738 CR3: 00000000051ac002 CR4: 0000000000772ef0 [ 159.574110][ T1357] PKRU: 55555554 [ 159.574357][ T1357] Call Trace: [ 159.574603][ T1357] [ 159.574789][ T1357] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 159.575125][ T1357] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 159.575444][ T1357] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 159.575877][ T1357] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 159.576200][ T1357] netif_set_mtu (net/core/dev.c:9652) [ 159.576517][ T1357] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 159.576869][ T1357] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 159.577332][ T1357] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 159.577575][ T1357] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 159.578035][ T1357] br_add_if (net/bridge/br_if.c:697) bridge [ 159.578400][ T1357] do_set_master (net/core/rtnetlink.c:2948) [ 159.578732][ T1357] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 159.579074][ T1357] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 159.579402][ T1357] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 159.579718][ T1357] ? __dev_get_by_name (net/core/dev.c:865) [ 159.580052][ T1357] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.580393][ T1357] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.580738][ T1357] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 159.581081][ T1357] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.581418][ T1357] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 159.581752][ T1357] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 159.582100][ T1357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.582436][ T1357] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 159.582759][ T1357] ? __lock_release (kernel/locking/lockdep.c:5539) [ 159.583109][ T1357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.583433][ T1357] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 159.583759][ T1357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.584101][ T1357] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.584440][ T1357] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 159.584764][ T1357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.585120][ T1357] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 159.585462][ T1357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 159.585804][ T1357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 159.586135][ T1357] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 159.586458][ T1357] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 159.586800][ T1357] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.587127][ T1357] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 159.587447][ T1357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 159.587796][ T1357] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 159.588132][ T1357] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 159.588457][ T1357] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 159.588802][ T1357] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 159.589205][ T1357] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 159.589535][ T1357] ___sys_sendmsg (net/socket.c:2670) [ 159.589872][ T1357] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 159.590196][ T1357] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 159.590535][ T1357] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.590864][ T1357] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 159.591193][ T1357] ? __handle_mm_fault (mm/memory.c:6212) [ 159.591527][ T1357] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 159.591851][ T1357] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 159.592185][ T1357] __sys_sendmsg (net/socket.c:2700) [ 159.592502][ T1357] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 159.592826][ T1357] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 159.593153][ T1357] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 159.593472][ T1357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 159.593808][ T1357] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 159.594130][ T1357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 159.594523][ T1357] RIP: 0033:0x7faa9dc9a1e7 [ 159.594863][ T1357] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 159.596024][ T1357] RSP: 002b:00007ffea8f9f0d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.596524][ T1357] RAX: ffffffffffffffda RBX: 00007ffea8f9f800 RCX: 00007faa9dc9a1e7 [ 159.597047][ T1357] RDX: 0000000000000000 RSI: 00007ffea8f9f140 RDI: 0000000000000005 [ 159.597537][ T1357] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 159.598040][ T1357] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea8f9f838 [ 159.598546][ T1357] R13: 00000000686e423e R14: 0000000000499600 R15: 0000000000000000 | [ 159.811100][ T1359] ------------[ cut here ]------------ | [ 159.811466][ T1359] WARNING: CPU: 2 PID: 1359 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 159.812753][ T1359] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 159.814042][ T1359] Tainted: [W]=WARN [ 159.814322][ T1359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 159.814818][ T1359] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 159.815202][ T1359] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 159.816504][ T1359] RSP: 0018:ffffc90001047080 EFLAGS: 00010246 [ 159.816971][ T1359] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 159.817516][ T1359] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 159.818068][ T1359] RBP: ffffc90001047168 R08: 0000000000000000 R09: 0000000000000000 [ 159.818739][ T1359] R10: ffffc90001047198 R11: ffffffffacca8918 R12: 1ffff92000208e14 [ 159.819283][ T1359] R13: 00000000000005dc R14: ffffc90001047198 R15: ffff88800a68af08 [ 159.819807][ T1359] FS: 00007feee3903800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 159.820421][ T1359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 159.820859][ T1359] CR2: 00007f4efcd29a00 CR3: 0000000004d09003 CR4: 0000000000772ef0 [ 159.821381][ T1359] PKRU: 55555554 [ 159.821642][ T1359] Call Trace: [ 159.821921][ T1359] [ 159.822108][ T1359] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 159.822462][ T1359] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 159.822820][ T1359] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 159.823253][ T1359] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 159.823599][ T1359] netif_set_mtu (net/core/dev.c:9652) [ 159.823958][ T1359] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 159.824320][ T1359] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 159.824823][ T1359] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 159.825094][ T1359] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 159.825564][ T1359] br_add_if (net/bridge/br_if.c:697) bridge [ 159.825971][ T1359] do_set_master (net/core/rtnetlink.c:2948) [ 159.826325][ T1359] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 159.826689][ T1359] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 159.827046][ T1359] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 159.827390][ T1359] ? __dev_get_by_name (net/core/dev.c:865) [ 159.827731][ T1359] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.828080][ T1359] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 159.828428][ T1359] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 159.828780][ T1359] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.829134][ T1359] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 159.829492][ T1359] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 159.829854][ T1359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.830210][ T1359] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 159.830566][ T1359] ? __lock_release (kernel/locking/lockdep.c:5539) [ 159.830928][ T1359] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 159.831272][ T1359] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 159.831620][ T1359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.832000][ T1359] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.832359][ T1359] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 159.832710][ T1359] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 159.833078][ T1359] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 159.833450][ T1359] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 159.833808][ T1359] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 159.834168][ T1359] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 159.834524][ T1359] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 159.834879][ T1359] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 159.835227][ T1359] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 159.835579][ T1359] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 159.835941][ T1359] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 159.836296][ T1359] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 159.836651][ T1359] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 159.837060][ T1359] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 159.837548][ T1359] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 159.837931][ T1359] ___sys_sendmsg (net/socket.c:2670) [ 159.838290][ T1359] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 159.838638][ T1359] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 159.838999][ T1359] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 159.839351][ T1359] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 159.839705][ T1359] ? __handle_mm_fault (mm/memory.c:6212) [ 159.840062][ T1359] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 159.840442][ T1359] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 159.840828][ T1359] __sys_sendmsg (net/socket.c:2700) [ 159.841185][ T1359] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 159.841537][ T1359] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 159.841974][ T1359] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 159.842354][ T1359] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 159.842713][ T1359] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 159.843073][ T1359] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 159.843505][ T1359] RIP: 0033:0x7feee3ad01e7 [ 159.843878][ T1359] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 159.845100][ T1359] RSP: 002b:00007fff20141028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 159.845639][ T1359] RAX: ffffffffffffffda RBX: 00007fff20141750 RCX: 00007feee3ad01e7 [ 159.846181][ T1359] RDX: 0000000000000000 RSI: 00007fff20141090 RDI: 0000000000000005 [ 159.846706][ T1359] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 159.847231][ T1359] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff20141788 [ 159.847766][ T1359] R13: 00000000686e423e R14: 0000000000499600 R15: 0000000000000000 | [ 160.032247][ T1360] ------------[ cut here ]------------ | [ 160.032724][ T1360] WARNING: CPU: 1 PID: 1360 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 160.033566][ T1360] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 160.035308][ T1360] Tainted: [W]=WARN [ 160.035656][ T1360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.036333][ T1360] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 160.036748][ T1360] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 160.038243][ T1360] RSP: 0018:ffffc90001027080 EFLAGS: 00010246 [ 160.038959][ T1360] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 160.039462][ T1360] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 160.040154][ T1360] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000 [ 160.040674][ T1360] R10: ffffc90001027198 R11: ffffffffacca8918 R12: 1ffff92000204e14 [ 160.041178][ T1360] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff88800a68af08 [ 160.041704][ T1360] FS: 00007fdc136fd800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 160.042293][ T1360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 160.042857][ T1360] CR2: 00000000004a1738 CR3: 0000000005f1a003 CR4: 0000000000772ef0 [ 160.043349][ T1360] PKRU: 55555554 [ 160.043608][ T1360] Call Trace: [ 160.043864][ T1360] [ 160.044033][ T1360] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 160.044368][ T1360] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 160.044706][ T1360] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 160.045125][ T1360] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 160.045477][ T1360] netif_set_mtu (net/core/dev.c:9652) [ 160.045880][ T1360] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 160.046216][ T1360] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 160.046704][ T1360] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 160.046965][ T1360] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 160.047406][ T1360] br_add_if (net/bridge/br_if.c:697) bridge [ 160.047797][ T1360] do_set_master (net/core/rtnetlink.c:2948) [ 160.048128][ T1360] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 160.048467][ T1360] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 160.048806][ T1360] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 160.049142][ T1360] ? __dev_get_by_name (net/core/dev.c:865) [ 160.049500][ T1360] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.049953][ T1360] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.050286][ T1360] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 160.050686][ T1360] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.051023][ T1360] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 160.051461][ T1360] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 160.051839][ T1360] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.052172][ T1360] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 160.052548][ T1360] ? __lock_release (kernel/locking/lockdep.c:5539) [ 160.052956][ T1360] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.053315][ T1360] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 160.053741][ T1360] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.054083][ T1360] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.054410][ T1360] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 160.054852][ T1360] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.055249][ T1360] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 160.055631][ T1360] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 160.056016][ T1360] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 160.056336][ T1360] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 160.056665][ T1360] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 160.056991][ T1360] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.057316][ T1360] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 160.057653][ T1360] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 160.057993][ T1360] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 160.058409][ T1360] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 160.058760][ T1360] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 160.059106][ T1360] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 160.059533][ T1360] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 160.059965][ T1360] ___sys_sendmsg (net/socket.c:2670) [ 160.060360][ T1360] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 160.060706][ T1360] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 160.061135][ T1360] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.061566][ T1360] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 160.061962][ T1360] ? __handle_mm_fault (mm/memory.c:6212) [ 160.062283][ T1360] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 160.062695][ T1360] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 160.063064][ T1360] __sys_sendmsg (net/socket.c:2700) [ 160.063396][ T1360] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 160.063719][ T1360] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 160.064150][ T1360] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 160.064554][ T1360] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 160.064905][ T1360] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 160.065374][ T1360] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 160.065869][ T1360] RIP: 0033:0x7fdc138ca1e7 [ 160.066205][ T1360] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 160.067489][ T1360] RSP: 002b:00007ffd4f3f6968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.068144][ T1360] RAX: ffffffffffffffda RBX: 00007ffd4f3f7090 RCX: 00007fdc138ca1e7 [ 160.068744][ T1360] RDX: 0000000000000000 RSI: 00007ffd4f3f69d0 RDI: 0000000000000005 [ 160.069335][ T1360] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 160.069831][ T1360] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd4f3f70c8 [ 160.070403][ T1360] R13: 00000000686e423e R14: 0000000000499600 R15: 0000000000000000 | [ 160.215260][ T1362] ------------[ cut here ]------------ | [ 160.215598][ T1362] WARNING: CPU: 3 PID: 1362 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 160.216281][ T1362] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 160.217480][ T1362] Tainted: [W]=WARN [ 160.217732][ T1362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.218155][ T1362] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 160.218495][ T1362] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 160.219695][ T1362] RSP: 0018:ffffc90001027080 EFLAGS: 00010246 [ 160.220125][ T1362] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 160.220637][ T1362] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 160.221144][ T1362] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000 [ 160.221638][ T1362] R10: ffffc90001027198 R11: ffffffffacca8918 R12: 1ffff92000204e14 [ 160.222137][ T1362] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff88800a68af08 [ 160.222634][ T1362] FS: 00007fe1e707c800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 160.223228][ T1362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 160.223649][ T1362] CR2: 00000000004a1738 CR3: 0000000005f1a003 CR4: 0000000000772ef0 [ 160.224157][ T1362] PKRU: 55555554 [ 160.224405][ T1362] Call Trace: [ 160.224662][ T1362] [ 160.224850][ T1362] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 160.225206][ T1362] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 160.225550][ T1362] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 160.225972][ T1362] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 160.226307][ T1362] netif_set_mtu (net/core/dev.c:9652) [ 160.226645][ T1362] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 160.227008][ T1362] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 160.227483][ T1362] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 160.227737][ T1362] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 160.228204][ T1362] br_add_if (net/bridge/br_if.c:697) bridge [ 160.228585][ T1362] do_set_master (net/core/rtnetlink.c:2948) [ 160.228926][ T1362] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 160.229264][ T1362] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 160.229605][ T1362] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 160.229942][ T1362] ? __dev_get_by_name (net/core/dev.c:865) [ 160.230279][ T1362] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.230628][ T1362] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.230971][ T1362] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 160.231298][ T1362] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.231637][ T1362] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 160.231995][ T1362] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 160.232334][ T1362] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.232678][ T1362] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 160.233018][ T1362] ? __lock_release (kernel/locking/lockdep.c:5539) [ 160.233359][ T1362] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.233688][ T1362] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 160.234030][ T1362] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.234368][ T1362] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.234713][ T1362] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 160.235051][ T1362] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.235383][ T1362] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 160.235722][ T1362] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 160.236072][ T1362] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 160.236410][ T1362] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 160.236743][ T1362] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 160.237089][ T1362] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.237428][ T1362] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 160.237762][ T1362] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 160.238099][ T1362] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 160.238435][ T1362] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 160.238803][ T1362] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 160.239138][ T1362] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 160.239554][ T1362] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 160.239910][ T1362] ___sys_sendmsg (net/socket.c:2670) [ 160.240246][ T1362] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 160.240592][ T1362] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 160.240954][ T1362] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.241295][ T1362] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 160.241632][ T1362] ? __handle_mm_fault (mm/memory.c:6212) [ 160.241988][ T1362] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 160.242347][ T1362] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 160.242695][ T1362] __sys_sendmsg (net/socket.c:2700) [ 160.243052][ T1362] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 160.243383][ T1362] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 160.243972][ T1362] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 160.244312][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 160.244658][ T1362] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 160.245009][ T1362] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 160.245423][ T1362] RIP: 0033:0x7fe1e72491e7 [ 160.245764][ T1362] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 160.246997][ T1362] RSP: 002b:00007ffc6a75c478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.247512][ T1362] RAX: ffffffffffffffda RBX: 00007ffc6a75cba0 RCX: 00007fe1e72491e7 [ 160.248030][ T1362] RDX: 0000000000000000 RSI: 00007ffc6a75c4e0 RDI: 0000000000000005 [ 160.249019][ T1362] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 160.249526][ T1362] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6a75cbd8 [ 160.250041][ T1362] R13: 00000000686e423f R14: 0000000000499600 R15: 0000000000000000 | [ 160.400939][ T1364] ------------[ cut here ]------------ | [ 160.401266][ T1364] WARNING: CPU: 0 PID: 1364 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 160.402012][ T1364] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 160.403275][ T1364] Tainted: [W]=WARN [ 160.403567][ T1364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.404109][ T1364] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 160.404547][ T1364] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 160.406173][ T1364] RSP: 0018:ffffc90001027080 EFLAGS: 00010246 [ 160.406676][ T1364] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 160.407220][ T1364] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 160.407755][ T1364] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000 [ 160.408270][ T1364] R10: ffffc90001027198 R11: ffffffffacca8918 R12: 1ffff92000204e14 [ 160.408836][ T1364] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff88800a68af08 [ 160.409357][ T1364] FS: 00007fc3af1a2800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 160.409965][ T1364] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 160.410400][ T1364] CR2: 00005555ef079118 CR3: 00000000056cb001 CR4: 0000000000772ef0 [ 160.410937][ T1364] PKRU: 55555554 [ 160.411199][ T1364] Call Trace: [ 160.411488][ T1364] [ 160.411660][ T1364] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 160.412016][ T1364] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 160.412344][ T1364] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 160.412808][ T1364] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 160.413227][ T1364] netif_set_mtu (net/core/dev.c:9652) [ 160.413652][ T1364] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 160.414148][ T1364] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 160.414698][ T1364] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 160.415050][ T1364] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 160.415602][ T1364] br_add_if (net/bridge/br_if.c:697) bridge [ 160.416125][ T1364] do_set_master (net/core/rtnetlink.c:2948) [ 160.416583][ T1364] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 160.417046][ T1364] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 160.417611][ T1364] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 160.418167][ T1364] ? __dev_get_by_name (net/core/dev.c:865) [ 160.418666][ T1364] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.419101][ T1364] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.419504][ T1364] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 160.419984][ T1364] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.420399][ T1364] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 160.420826][ T1364] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 160.421263][ T1364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.421745][ T1364] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 160.422202][ T1364] ? __lock_release (kernel/locking/lockdep.c:5539) [ 160.422544][ T1364] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.422871][ T1364] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 160.423253][ T1364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.423818][ T1364] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.424266][ T1364] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 160.424642][ T1364] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.424979][ T1364] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 160.425464][ T1364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 160.425917][ T1364] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 160.426292][ T1364] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 160.426616][ T1364] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 160.427002][ T1364] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.427429][ T1364] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 160.427761][ T1364] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 160.428093][ T1364] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 160.428438][ T1364] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 160.428959][ T1364] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 160.429378][ T1364] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 160.429831][ T1364] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 160.430419][ T1364] ___sys_sendmsg (net/socket.c:2670) [ 160.431022][ T1364] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 160.431461][ T1364] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 160.431906][ T1364] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.432249][ T1364] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 160.432695][ T1364] ? __handle_mm_fault (mm/memory.c:6212) [ 160.433109][ T1364] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 160.433441][ T1364] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 160.433830][ T1364] __sys_sendmsg (net/socket.c:2700) [ 160.434254][ T1364] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 160.434709][ T1364] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 160.435073][ T1364] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 160.435555][ T1364] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 160.436062][ T1364] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 160.436566][ T1364] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 160.437191][ T1364] RIP: 0033:0x7fc3af36f1e7 [ 160.437525][ T1364] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 160.439186][ T1364] RSP: 002b:00007ffd3b153288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.439952][ T1364] RAX: ffffffffffffffda RBX: 00007ffd3b1539b0 RCX: 00007fc3af36f1e7 [ 160.440540][ T1364] RDX: 0000000000000000 RSI: 00007ffd3b1532f0 RDI: 0000000000000005 [ 160.441309][ T1364] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 160.441835][ T1364] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd3b1539e8 [ 160.442650][ T1364] R13: 00000000686e423f R14: 0000000000499600 R15: 0000000000000000 | [ 160.615839][ T1366] ------------[ cut here ]------------ | [ 160.616184][ T1366] WARNING: CPU: 2 PID: 1366 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 160.616858][ T1366] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 160.618183][ T1366] Tainted: [W]=WARN [ 160.618582][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.619143][ T1366] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 160.619598][ T1366] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 160.620765][ T1366] RSP: 0018:ffffc90001027080 EFLAGS: 00010246 [ 160.621187][ T1366] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 160.621675][ T1366] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 160.622185][ T1366] RBP: ffffc90001027168 R08: 0000000000000000 R09: 0000000000000000 [ 160.622692][ T1366] R10: ffffc90001027198 R11: ffffffffacca8918 R12: 1ffff92000204e14 [ 160.623210][ T1366] R13: 00000000000005dc R14: ffffc90001027198 R15: ffff88800a68af08 [ 160.623730][ T1366] FS: 00007f21c4ff8800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 160.624338][ T1366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 160.624763][ T1366] CR2: 00000000004a1738 CR3: 000000000a7c2004 CR4: 0000000000772ef0 [ 160.625284][ T1366] PKRU: 55555554 [ 160.625536][ T1366] Call Trace: [ 160.625794][ T1366] [ 160.625970][ T1366] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 160.626308][ T1366] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 160.626635][ T1366] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 160.627055][ T1366] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 160.627396][ T1366] netif_set_mtu (net/core/dev.c:9652) [ 160.627730][ T1366] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 160.628083][ T1366] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 160.628537][ T1366] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 160.628812][ T1366] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 160.629267][ T1366] br_add_if (net/bridge/br_if.c:697) bridge [ 160.629645][ T1366] do_set_master (net/core/rtnetlink.c:2948) [ 160.630002][ T1366] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 160.630356][ T1366] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 160.630692][ T1366] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 160.631056][ T1366] ? __dev_get_by_name (net/core/dev.c:865) [ 160.631398][ T1366] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.631729][ T1366] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.632078][ T1366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 160.632404][ T1366] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.632744][ T1366] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 160.633127][ T1366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 160.633487][ T1366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.633845][ T1366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 160.634184][ T1366] ? __lock_release (kernel/locking/lockdep.c:5539) [ 160.634531][ T1366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.634869][ T1366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 160.635203][ T1366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.635534][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.635880][ T1366] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 160.636223][ T1366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.636556][ T1366] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 160.636924][ T1366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 160.637253][ T1366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 160.637593][ T1366] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 160.637939][ T1366] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 160.638278][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.638617][ T1366] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 160.638957][ T1366] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 160.639288][ T1366] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 160.639623][ T1366] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 160.639970][ T1366] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 160.640315][ T1366] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 160.640732][ T1366] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 160.641108][ T1366] ___sys_sendmsg (net/socket.c:2670) [ 160.641444][ T1366] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 160.641837][ T1366] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 160.642229][ T1366] ? irqentry_exit (kernel/entry/common.c:311) [ 160.642559][ T1366] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 160.642917][ T1366] ? __handle_mm_fault (mm/memory.c:6212) [ 160.643248][ T1366] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 160.643610][ T1366] __sys_sendmsg (net/socket.c:2700) [ 160.643949][ T1366] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 160.644281][ T1366] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 160.644623][ T1366] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 160.644971][ T1366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 160.645305][ T1366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 160.645636][ T1366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 160.646051][ T1366] RIP: 0033:0x7f21c51c51e7 [ 160.646394][ T1366] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 160.647533][ T1366] RSP: 002b:00007ffd1034f118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.648040][ T1366] RAX: ffffffffffffffda RBX: 00007ffd1034f840 RCX: 00007f21c51c51e7 [ 160.648538][ T1366] RDX: 0000000000000000 RSI: 00007ffd1034f180 RDI: 0000000000000005 [ 160.649035][ T1366] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 160.649549][ T1366] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd1034f878 [ 160.650045][ T1366] R13: 00000000686e423f R14: 0000000000499600 R15: 0000000000000000 | [ 160.830118][ T1369] ------------[ cut here ]------------ | [ 160.830450][ T1369] WARNING: CPU: 3 PID: 1369 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 160.831413][ T1369] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 160.832556][ T1369] Tainted: [W]=WARN [ 160.832805][ T1369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.833206][ T1369] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 160.833532][ T1369] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 160.834681][ T1369] RSP: 0018:ffffc90000fa7080 EFLAGS: 00010246 [ 160.835092][ T1369] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 160.835570][ T1369] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 160.836051][ T1369] RBP: ffffc90000fa7168 R08: 0000000000000000 R09: 0000000000000000 [ 160.836524][ T1369] R10: ffffc90000fa7198 R11: ffffffffacca8918 R12: 1ffff920001f4e14 [ 160.837005][ T1369] R13: 00000000000005dc R14: ffffc90000fa7198 R15: ffff88800a68af08 [ 160.837476][ T1369] FS: 00007f7eee51a800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 160.838033][ T1369] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 160.838438][ T1369] CR2: 00007f4efce18840 CR3: 000000000ac94001 CR4: 0000000000772ef0 [ 160.838921][ T1369] PKRU: 55555554 [ 160.839158][ T1369] Call Trace: [ 160.839395][ T1369] [ 160.839559][ T1369] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 160.839895][ T1369] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 160.840218][ T1369] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 160.840635][ T1369] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 160.840967][ T1369] netif_set_mtu (net/core/dev.c:9652) [ 160.841286][ T1369] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 160.841615][ T1369] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 160.842072][ T1369] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 160.842338][ T1369] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 160.843102][ T1369] br_add_if (net/bridge/br_if.c:697) bridge [ 160.843750][ T1369] do_set_master (net/core/rtnetlink.c:2948) [ 160.844329][ T1369] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 160.844898][ T1369] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 160.845461][ T1369] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 160.846033][ T1369] ? __dev_get_by_name (net/core/dev.c:865) [ 160.846591][ T1369] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.847146][ T1369] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 160.847703][ T1369] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 160.848275][ T1369] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.848851][ T1369] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 160.849421][ T1369] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 160.849996][ T1369] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.850570][ T1369] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 160.851052][ T1369] ? __lock_release (kernel/locking/lockdep.c:5539) [ 160.851580][ T1369] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 160.852108][ T1369] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 160.852643][ T1369] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.853202][ T1369] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.853796][ T1369] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 160.854363][ T1369] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 160.854710][ T1369] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 160.855056][ T1369] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 160.855393][ T1369] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 160.855717][ T1369] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 160.856048][ T1369] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 160.856381][ T1369] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 160.856699][ T1369] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 160.857029][ T1369] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 160.857357][ T1369] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 160.857687][ T1369] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 160.858018][ T1369] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 160.858342][ T1369] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 160.858740][ T1369] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 160.859072][ T1369] ___sys_sendmsg (net/socket.c:2670) [ 160.859406][ T1369] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 160.859723][ T1369] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 160.860056][ T1369] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 160.860403][ T1369] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 160.860729][ T1369] ? __handle_mm_fault (mm/memory.c:6212) [ 160.861069][ T1369] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 160.861440][ T1369] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 160.861787][ T1369] __sys_sendmsg (net/socket.c:2700) [ 160.862108][ T1369] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 160.862445][ T1369] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 160.862782][ T1369] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 160.863104][ T1369] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 160.863431][ T1369] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 160.863747][ T1369] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 160.864146][ T1369] RIP: 0033:0x7f7eee6e71e7 [ 160.864484][ T1369] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 160.865630][ T1369] RSP: 002b:00007ffcc2312bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 160.866109][ T1369] RAX: ffffffffffffffda RBX: 00007ffcc23132f0 RCX: 00007f7eee6e71e7 [ 160.866866][ T1369] RDX: 0000000000000000 RSI: 00007ffcc2312c30 RDI: 0000000000000005 [ 160.867638][ T1369] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 160.868390][ T1369] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc2313328 [ 160.869254][ T1369] R13: 00000000686e423f R14: 0000000000499600 R15: 0000000000000000 | [ 161.076808][ T1371] ------------[ cut here ]------------ | [ 161.077153][ T1371] WARNING: CPU: 0 PID: 1371 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 161.077869][ T1371] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 161.079052][ T1371] Tainted: [W]=WARN [ 161.079294][ T1371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.079702][ T1371] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 161.080078][ T1371] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 161.081278][ T1371] RSP: 0018:ffffc90000f67080 EFLAGS: 00010246 [ 161.081695][ T1371] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 161.082203][ T1371] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 161.082672][ T1371] RBP: ffffc90000f67168 R08: 0000000000000000 R09: 0000000000000000 [ 161.083158][ T1371] R10: ffffc90000f67198 R11: ffffffffacca8918 R12: 1ffff920001ece14 [ 161.083623][ T1371] R13: 00000000000005dc R14: ffffc90000f67198 R15: ffff88800a68af08 [ 161.084120][ T1371] FS: 00007f51eaee3800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 161.084696][ T1371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.085124][ T1371] CR2: 00000000004a1738 CR3: 00000000029ef001 CR4: 0000000000772ef0 [ 161.085607][ T1371] PKRU: 55555554 [ 161.085850][ T1371] Call Trace: [ 161.086088][ T1371] [ 161.086264][ T1371] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 161.086589][ T1371] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 161.086939][ T1371] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 161.087377][ T1371] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 161.087716][ T1371] netif_set_mtu (net/core/dev.c:9652) [ 161.088059][ T1371] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 161.088399][ T1371] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 161.088854][ T1371] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 161.089094][ T1371] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 161.089528][ T1371] br_add_if (net/bridge/br_if.c:697) bridge [ 161.089922][ T1371] do_set_master (net/core/rtnetlink.c:2948) [ 161.090238][ T1371] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 161.090580][ T1371] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 161.090927][ T1371] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 161.091247][ T1371] ? __dev_get_by_name (net/core/dev.c:865) [ 161.091566][ T1371] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.091897][ T1371] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.092246][ T1371] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 161.092573][ T1371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.092922][ T1371] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 161.093284][ T1371] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 161.093622][ T1371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.093972][ T1371] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 161.094295][ T1371] ? __lock_release (kernel/locking/lockdep.c:5539) [ 161.094639][ T1371] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.094994][ T1371] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 161.095345][ T1371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.095709][ T1371] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.096061][ T1371] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 161.096395][ T1371] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.096727][ T1371] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 161.097092][ T1371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 161.097434][ T1371] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 161.097780][ T1371] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 161.098129][ T1371] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 161.098470][ T1371] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.098801][ T1371] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 161.099125][ T1371] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 161.099453][ T1371] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 161.099786][ T1371] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 161.100112][ T1371] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 161.100443][ T1371] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 161.100857][ T1371] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 161.101200][ T1371] ___sys_sendmsg (net/socket.c:2670) [ 161.101514][ T1371] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 161.101844][ T1371] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 161.102180][ T1371] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.102503][ T1371] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 161.102839][ T1371] ? __handle_mm_fault (mm/memory.c:6212) [ 161.103178][ T1371] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 161.103505][ T1371] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 161.103869][ T1371] __sys_sendmsg (net/socket.c:2700) [ 161.104197][ T1371] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 161.104512][ T1371] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 161.104868][ T1371] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 161.105210][ T1371] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 161.105547][ T1371] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 161.105882][ T1371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 161.106296][ T1371] RIP: 0033:0x7f51eb0b01e7 [ 161.106633][ T1371] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 161.107862][ T1371] RSP: 002b:00007ffc033fff88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.108395][ T1371] RAX: ffffffffffffffda RBX: 00007ffc034006b0 RCX: 00007f51eb0b01e7 [ 161.108939][ T1371] RDX: 0000000000000000 RSI: 00007ffc033ffff0 RDI: 0000000000000005 [ 161.109467][ T1371] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 161.110013][ T1371] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc034006e8 [ 161.110536][ T1371] R13: 00000000686e423f R14: 0000000000499600 R15: 0000000000000000 | [ 161.272966][ T1372] ------------[ cut here ]------------ | [ 161.273298][ T1372] WARNING: CPU: 0 PID: 1372 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 161.273999][ T1372] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 161.275205][ T1372] Tainted: [W]=WARN [ 161.275483][ T1372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.275915][ T1372] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 161.276255][ T1372] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 161.277470][ T1372] RSP: 0018:ffffc90001057080 EFLAGS: 00010246 [ 161.277908][ T1372] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 161.278399][ T1372] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 161.278883][ T1372] RBP: ffffc90001057168 R08: 0000000000000000 R09: 0000000000000000 [ 161.279351][ T1372] R10: ffffc90001057198 R11: ffffffffacca8918 R12: 1ffff9200020ae14 [ 161.279856][ T1372] R13: 00000000000005dc R14: ffffc90001057198 R15: ffff88800a68af08 [ 161.280381][ T1372] FS: 00007fd2fa4d6800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 161.280977][ T1372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.281392][ T1372] CR2: 00000000004a1738 CR3: 00000000029ef003 CR4: 0000000000772ef0 [ 161.281899][ T1372] PKRU: 55555554 [ 161.282267][ T1372] Call Trace: [ 161.282526][ T1372] [ 161.282696][ T1372] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 161.283047][ T1372] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 161.283366][ T1372] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 161.283805][ T1372] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 161.284144][ T1372] netif_set_mtu (net/core/dev.c:9652) [ 161.284483][ T1372] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 161.284828][ T1372] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 161.285317][ T1372] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 161.285558][ T1372] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 161.286024][ T1372] br_add_if (net/bridge/br_if.c:697) bridge [ 161.286430][ T1372] do_set_master (net/core/rtnetlink.c:2948) [ 161.286794][ T1372] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 161.287128][ T1372] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 161.287481][ T1372] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 161.287841][ T1372] ? __dev_get_by_name (net/core/dev.c:865) [ 161.288165][ T1372] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.288493][ T1372] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.288841][ T1372] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 161.289189][ T1372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.289533][ T1372] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 161.289887][ T1372] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 161.290230][ T1372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.290582][ T1372] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 161.290944][ T1372] ? __lock_release (kernel/locking/lockdep.c:5539) [ 161.291326][ T1372] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.291644][ T1372] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 161.291996][ T1372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.292330][ T1372] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.292669][ T1372] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 161.292995][ T1372] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.293340][ T1372] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 161.293693][ T1372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 161.294019][ T1372] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 161.294361][ T1372] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 161.294682][ T1372] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 161.295032][ T1372] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.295362][ T1372] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 161.295712][ T1372] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 161.296043][ T1372] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 161.296403][ T1372] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 161.296755][ T1372] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 161.297103][ T1372] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 161.297546][ T1372] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 161.297892][ T1372] ___sys_sendmsg (net/socket.c:2670) [ 161.298234][ T1372] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 161.298578][ T1372] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 161.298918][ T1372] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.299240][ T1372] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 161.299571][ T1372] ? __handle_mm_fault (mm/memory.c:6212) [ 161.299913][ T1372] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 161.300253][ T1372] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 161.300629][ T1372] __sys_sendmsg (net/socket.c:2700) [ 161.300971][ T1372] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 161.301305][ T1372] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 161.301662][ T1372] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 161.302003][ T1372] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 161.302329][ T1372] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 161.302658][ T1372] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 161.303066][ T1372] RIP: 0033:0x7fd2fa6a31e7 [ 161.303399][ T1372] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 161.304612][ T1372] RSP: 002b:00007ffc925f5148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.305142][ T1372] RAX: ffffffffffffffda RBX: 00007ffc925f5870 RCX: 00007fd2fa6a31e7 [ 161.305634][ T1372] RDX: 0000000000000000 RSI: 00007ffc925f51b0 RDI: 0000000000000005 [ 161.306113][ T1372] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 161.306628][ T1372] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc925f58a8 [ 161.307124][ T1372] R13: 00000000686e4240 R14: 0000000000499600 R15: 0000000000000000 | [ 161.470909][ T1374] ------------[ cut here ]------------ | [ 161.471251][ T1374] WARNING: CPU: 2 PID: 1374 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 161.472026][ T1374] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 161.473235][ T1374] Tainted: [W]=WARN [ 161.473496][ T1374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.473924][ T1374] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 161.474274][ T1374] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 161.475455][ T1374] RSP: 0000:ffffc90000f67080 EFLAGS: 00010246 [ 161.475888][ T1374] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 161.476381][ T1374] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 161.476891][ T1374] RBP: ffffc90000f67168 R08: 0000000000000000 R09: 0000000000000000 [ 161.477400][ T1374] R10: ffffc90000f67198 R11: ffffffffacca8918 R12: 1ffff920001ece14 [ 161.477920][ T1374] R13: 00000000000005dc R14: ffffc90000f67198 R15: ffff88800a68af08 [ 161.478427][ T1374] FS: 00007f1238b62800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 161.479015][ T1374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.479434][ T1374] CR2: 00007f4efcd082a0 CR3: 00000000029ef001 CR4: 0000000000772ef0 [ 161.479946][ T1374] PKRU: 55555554 [ 161.480205][ T1374] Call Trace: [ 161.480487][ T1374] [ 161.480668][ T1374] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 161.481026][ T1374] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 161.481364][ T1374] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 161.481793][ T1374] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 161.482133][ T1374] netif_set_mtu (net/core/dev.c:9652) [ 161.482470][ T1374] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 161.482834][ T1374] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 161.483306][ T1374] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 161.483567][ T1374] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 161.484030][ T1374] br_add_if (net/bridge/br_if.c:697) bridge [ 161.484415][ T1374] do_set_master (net/core/rtnetlink.c:2948) [ 161.484752][ T1374] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 161.485114][ T1374] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 161.485454][ T1374] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 161.485808][ T1374] ? __dev_get_by_name (net/core/dev.c:865) [ 161.486143][ T1374] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.486485][ T1374] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.486847][ T1374] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 161.487178][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.487514][ T1374] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 161.487866][ T1374] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 161.488209][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.488553][ T1374] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 161.488936][ T1374] ? __lock_release (kernel/locking/lockdep.c:5539) [ 161.489280][ T1374] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.489626][ T1374] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 161.489981][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.490334][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.490678][ T1374] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 161.491027][ T1374] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.491372][ T1374] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 161.491717][ T1374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 161.492074][ T1374] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 161.492423][ T1374] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 161.492764][ T1374] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 161.493109][ T1374] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.493455][ T1374] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 161.493818][ T1374] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 161.494159][ T1374] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 161.494501][ T1374] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 161.494854][ T1374] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 161.495194][ T1374] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 161.495619][ T1374] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 161.495983][ T1374] ___sys_sendmsg (net/socket.c:2670) [ 161.496327][ T1374] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 161.496668][ T1374] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 161.497037][ T1374] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.497380][ T1374] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 161.497728][ T1374] ? __handle_mm_fault (mm/memory.c:6212) [ 161.498075][ T1374] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 161.498418][ T1374] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 161.498782][ T1374] __sys_sendmsg (net/socket.c:2700) [ 161.499130][ T1374] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 161.499471][ T1374] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 161.499824][ T1374] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 161.500160][ T1374] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 161.500508][ T1374] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 161.500853][ T1374] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 161.501265][ T1374] RIP: 0033:0x7f1238d2f1e7 [ 161.501609][ T1374] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 161.502790][ T1374] RSP: 002b:00007ffd6b357fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.503290][ T1374] RAX: ffffffffffffffda RBX: 00007ffd6b3586e0 RCX: 00007f1238d2f1e7 [ 161.503788][ T1374] RDX: 0000000000000000 RSI: 00007ffd6b358020 RDI: 0000000000000005 [ 161.504282][ T1374] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 161.504779][ T1374] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd6b358718 [ 161.505266][ T1374] R13: 00000000686e4240 R14: 0000000000499600 R15: 0000000000000000 | [ 161.662924][ T1376] ------------[ cut here ]------------ | [ 161.663281][ T1376] WARNING: CPU: 2 PID: 1376 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 161.663996][ T1376] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 161.665242][ T1376] Tainted: [W]=WARN [ 161.665510][ T1376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.666020][ T1376] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 161.666389][ T1376] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 161.667597][ T1376] RSP: 0018:ffffc90000f67080 EFLAGS: 00010246 [ 161.668050][ T1376] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 161.668571][ T1376] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 161.669108][ T1376] RBP: ffffc90000f67168 R08: 0000000000000000 R09: 0000000000000000 [ 161.669637][ T1376] R10: ffffc90000f67198 R11: ffffffffacca8918 R12: 1ffff920001ece14 [ 161.670180][ T1376] R13: 00000000000005dc R14: ffffc90000f67198 R15: ffff88800a68af08 [ 161.670693][ T1376] FS: 00007fa7cc53b800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 161.671284][ T1376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.671701][ T1376] CR2: 00007fa7cc74f5c0 CR3: 000000000f90c005 CR4: 0000000000772ef0 [ 161.672218][ T1376] PKRU: 55555554 [ 161.672479][ T1376] Call Trace: [ 161.672741][ T1376] [ 161.672945][ T1376] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 161.673309][ T1376] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 161.673658][ T1376] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 161.674090][ T1376] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 161.674430][ T1376] netif_set_mtu (net/core/dev.c:9652) [ 161.674779][ T1376] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 161.675131][ T1376] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 161.675593][ T1376] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 161.675866][ T1376] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 161.676330][ T1376] br_add_if (net/bridge/br_if.c:697) bridge [ 161.676711][ T1376] do_set_master (net/core/rtnetlink.c:2948) [ 161.677061][ T1376] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 161.677400][ T1376] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 161.677740][ T1376] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 161.678132][ T1376] ? __dev_get_by_name (net/core/dev.c:865) [ 161.678476][ T1376] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.678822][ T1376] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.679167][ T1376] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 161.679498][ T1376] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.679860][ T1376] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 161.680207][ T1376] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 161.680568][ T1376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.680938][ T1376] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 161.681270][ T1376] ? __lock_release (kernel/locking/lockdep.c:5539) [ 161.681606][ T1376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.681954][ T1376] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 161.682290][ T1376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.682634][ T1376] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.682989][ T1376] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 161.683331][ T1376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.683685][ T1376] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 161.684053][ T1376] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 161.684393][ T1376] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 161.684727][ T1376] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 161.685077][ T1376] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 161.685424][ T1376] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.685762][ T1376] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 161.686127][ T1376] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 161.686468][ T1376] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 161.686823][ T1376] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 161.687199][ T1376] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 161.687558][ T1376] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 161.687992][ T1376] ___sys_sendmsg (net/socket.c:2670) [ 161.688339][ T1376] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 161.688689][ T1376] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 161.689041][ T1376] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 161.689374][ T1376] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 161.689709][ T1376] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.690062][ T1376] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 161.690415][ T1376] __sys_sendmsg (net/socket.c:2700) [ 161.690746][ T1376] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 161.691105][ T1376] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 161.691441][ T1376] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 161.691790][ T1376] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 161.692202][ T1376] RIP: 0033:0x7fa7cc7081e7 [ 161.692545][ T1376] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 161.693705][ T1376] RSP: 002b:00007fff4db05a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.694209][ T1376] RAX: ffffffffffffffda RBX: 00007fff4db06140 RCX: 00007fa7cc7081e7 [ 161.694707][ T1376] RDX: 0000000000000000 RSI: 00007fff4db05a80 RDI: 0000000000000005 [ 161.695211][ T1376] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 161.695708][ T1376] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff4db06178 [ 161.696257][ T1376] R13: 00000000686e4240 R14: 0000000000499600 R15: 0000000000000000 | [ 161.843821][ T1378] ------------[ cut here ]------------ | [ 161.844189][ T1378] WARNING: CPU: 2 PID: 1378 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 161.846672][ T1378] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 161.848081][ T1378] Tainted: [W]=WARN [ 161.848342][ T1378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.848758][ T1378] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 161.849119][ T1378] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 161.850358][ T1378] RSP: 0018:ffffc90001007080 EFLAGS: 00010246 [ 161.850799][ T1378] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 161.851309][ T1378] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 161.851818][ T1378] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000 [ 161.852308][ T1378] R10: ffffc90001007198 R11: ffffffffacca8918 R12: 1ffff92000200e14 [ 161.852816][ T1378] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff88800a68af08 [ 161.853323][ T1378] FS: 00007f1792d9e800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 161.853904][ T1378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.854321][ T1378] CR2: 00000000004a1738 CR3: 000000000bb07002 CR4: 0000000000772ef0 [ 161.854835][ T1378] PKRU: 55555554 [ 161.855088][ T1378] Call Trace: [ 161.855342][ T1378] [ 161.855518][ T1378] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 161.855875][ T1378] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 161.856216][ T1378] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 161.856626][ T1378] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 161.856978][ T1378] netif_set_mtu (net/core/dev.c:9652) [ 161.857320][ T1378] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 161.857673][ T1378] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 161.858343][ T1378] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 161.858608][ T1378] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 161.859124][ T1378] br_add_if (net/bridge/br_if.c:697) bridge [ 161.859508][ T1378] do_set_master (net/core/rtnetlink.c:2948) [ 161.859881][ T1378] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 161.860232][ T1378] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 161.860594][ T1378] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 161.860954][ T1378] ? __dev_get_by_name (net/core/dev.c:865) [ 161.861291][ T1378] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.861628][ T1378] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 161.862001][ T1378] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 161.862331][ T1378] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.862697][ T1378] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 161.863075][ T1378] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 161.863423][ T1378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.863826][ T1378] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 161.864166][ T1378] ? __lock_release (kernel/locking/lockdep.c:5539) [ 161.864510][ T1378] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 161.864856][ T1378] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 161.865192][ T1378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.865529][ T1378] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.865941][ T1378] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 161.866287][ T1378] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 161.866626][ T1378] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 161.866983][ T1378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 161.867315][ T1378] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 161.867662][ T1378] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 161.868011][ T1378] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 161.868354][ T1378] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 161.868693][ T1378] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 161.869039][ T1378] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 161.869376][ T1378] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 161.869723][ T1378] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 161.870074][ T1378] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 161.870431][ T1378] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 161.870873][ T1378] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 161.871213][ T1378] ___sys_sendmsg (net/socket.c:2670) [ 161.871551][ T1378] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 161.871895][ T1378] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 161.872236][ T1378] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 161.872569][ T1378] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 161.872928][ T1378] ? __handle_mm_fault (mm/memory.c:6212) [ 161.873270][ T1378] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 161.873606][ T1378] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 161.873969][ T1378] __sys_sendmsg (net/socket.c:2700) [ 161.874306][ T1378] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 161.874639][ T1378] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 161.875005][ T1378] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 161.875350][ T1378] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 161.875689][ T1378] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 161.876041][ T1378] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 161.876458][ T1378] RIP: 0033:0x7f1792f6b1e7 [ 161.876899][ T1378] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 161.878074][ T1378] RSP: 002b:00007ffcce294d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 161.878580][ T1378] RAX: ffffffffffffffda RBX: 00007ffcce295480 RCX: 00007f1792f6b1e7 [ 161.879095][ T1378] RDX: 0000000000000000 RSI: 00007ffcce294dc0 RDI: 0000000000000005 [ 161.879594][ T1378] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 161.880104][ T1378] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcce2954b8 [ 161.880610][ T1378] R13: 00000000686e4240 R14: 0000000000499600 R15: 0000000000000000 | [ 162.035574][ T1380] ------------[ cut here ]------------ | [ 162.035958][ T1380] WARNING: CPU: 2 PID: 1380 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 162.036623][ T1380] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 162.037823][ T1380] Tainted: [W]=WARN [ 162.038082][ T1380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.038498][ T1380] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 162.038859][ T1380] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 162.040026][ T1380] RSP: 0018:ffffc90001007080 EFLAGS: 00010246 [ 162.040464][ T1380] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 162.040967][ T1380] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 162.041464][ T1380] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000 [ 162.041975][ T1380] R10: ffffc90001007198 R11: ffffffffacca8918 R12: 1ffff92000200e14 [ 162.042466][ T1380] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff88800a68af08 [ 162.042974][ T1380] FS: 00007f11218cb800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 162.043601][ T1380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.044052][ T1380] CR2: 00007fc30cdebd11 CR3: 0000000010913003 CR4: 0000000000772ef0 [ 162.044551][ T1380] PKRU: 55555554 [ 162.044816][ T1380] Call Trace: [ 162.045070][ T1380] [ 162.045253][ T1380] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 162.045601][ T1380] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 162.045949][ T1380] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 162.046374][ T1380] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 162.046719][ T1380] netif_set_mtu (net/core/dev.c:9652) [ 162.047091][ T1380] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 162.047462][ T1380] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 162.047940][ T1380] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 162.048215][ T1380] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 162.048690][ T1380] br_add_if (net/bridge/br_if.c:697) bridge [ 162.049101][ T1380] do_set_master (net/core/rtnetlink.c:2948) [ 162.049460][ T1380] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 162.049825][ T1380] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 162.050184][ T1380] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 162.050548][ T1380] ? __dev_get_by_name (net/core/dev.c:865) [ 162.050905][ T1380] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.051259][ T1380] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.051622][ T1380] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 162.051980][ T1380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.052344][ T1380] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 162.052705][ T1380] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 162.053084][ T1380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.053477][ T1380] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 162.053850][ T1380] ? __lock_release (kernel/locking/lockdep.c:5539) [ 162.054214][ T1380] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.054553][ T1380] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 162.054902][ T1380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.055247][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.055597][ T1380] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 162.055949][ T1380] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.056289][ T1380] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 162.056648][ T1380] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 162.056991][ T1380] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 162.057342][ T1380] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 162.057681][ T1380] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 162.058022][ T1380] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.058372][ T1380] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 162.058725][ T1380] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 162.059075][ T1380] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 162.059425][ T1380] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 162.059763][ T1380] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 162.060116][ T1380] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 162.060551][ T1380] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 162.060902][ T1380] ___sys_sendmsg (net/socket.c:2670) [ 162.061236][ T1380] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 162.061571][ T1380] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 162.061917][ T1380] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.062259][ T1380] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 162.062618][ T1380] ? __handle_mm_fault (mm/memory.c:6212) [ 162.062985][ T1380] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 162.063335][ T1380] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 162.063701][ T1380] __sys_sendmsg (net/socket.c:2700) [ 162.064064][ T1380] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 162.064431][ T1380] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 162.064803][ T1380] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 162.065157][ T1380] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 162.065507][ T1380] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 162.065959][ T1380] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 162.066491][ T1380] RIP: 0033:0x7f1121a981e7 [ 162.066902][ T1380] Code: Unable to access opcode bytes at 0x7f1121a981bd. Code starting with the faulting instruction =========================================== [ 162.067329][ T1380] RSP: 002b:00007ffc6e5305a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.067861][ T1380] RAX: ffffffffffffffda RBX: 00007ffc6e530cd0 RCX: 00007f1121a981e7 [ 162.068360][ T1380] RDX: 0000000000000000 RSI: 00007ffc6e530610 RDI: 0000000000000005 [ 162.068882][ T1380] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 162.069379][ T1380] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6e530d08 [ 162.069904][ T1380] R13: 00000000686e4240 R14: 0000000000499600 R15: 0000000000000000 | [ 162.241978][ T1382] ------------[ cut here ]------------ | [ 162.242303][ T1382] WARNING: CPU: 3 PID: 1382 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 162.242952][ T1382] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 162.244120][ T1382] Tainted: [W]=WARN [ 162.244361][ T1382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.244761][ T1382] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 162.245101][ T1382] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 162.247850][ T1382] RSP: 0018:ffffc90001007080 EFLAGS: 00010246 [ 162.248261][ T1382] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 162.248740][ T1382] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 162.249392][ T1382] RBP: ffffc90001007168 R08: 0000000000000000 R09: 0000000000000000 [ 162.250041][ T1382] R10: ffffc90001007198 R11: ffffffffacca8918 R12: 1ffff92000200e14 [ 162.250525][ T1382] R13: 00000000000005dc R14: ffffc90001007198 R15: ffff88800a68af08 [ 162.251005][ T1382] FS: 00007f39db478800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 162.251581][ T1382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.251994][ T1382] CR2: 00007f4efced1b20 CR3: 0000000004cea002 CR4: 0000000000772ef0 [ 162.252462][ T1382] PKRU: 55555554 [ 162.252711][ T1382] Call Trace: [ 162.252961][ T1382] [ 162.253127][ T1382] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 162.253452][ T1382] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 162.253777][ T1382] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 162.254196][ T1382] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 162.254518][ T1382] netif_set_mtu (net/core/dev.c:9652) [ 162.254846][ T1382] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 162.255186][ T1382] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 162.255639][ T1382] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 162.255891][ T1382] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 162.256350][ T1382] br_add_if (net/bridge/br_if.c:697) bridge [ 162.256728][ T1382] do_set_master (net/core/rtnetlink.c:2948) [ 162.257064][ T1382] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 162.257388][ T1382] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 162.257726][ T1382] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 162.258061][ T1382] ? __dev_get_by_name (net/core/dev.c:865) [ 162.258399][ T1382] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.258730][ T1382] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.259075][ T1382] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 162.259403][ T1382] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.259757][ T1382] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 162.260113][ T1382] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 162.260474][ T1382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.260832][ T1382] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 162.261169][ T1382] ? __lock_release (kernel/locking/lockdep.c:5539) [ 162.261516][ T1382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.261852][ T1382] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 162.262184][ T1382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.262520][ T1382] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.262874][ T1382] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 162.263211][ T1382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.263554][ T1382] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 162.263903][ T1382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 162.264238][ T1382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 162.264595][ T1382] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 162.264939][ T1382] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 162.265280][ T1382] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.265616][ T1382] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 162.265956][ T1382] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 162.266303][ T1382] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 162.266645][ T1382] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 162.266991][ T1382] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 162.267308][ T1382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 162.267726][ T1382] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 162.268060][ T1382] ___sys_sendmsg (net/socket.c:2670) [ 162.268382][ T1382] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 162.268697][ T1382] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 162.269028][ T1382] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.269363][ T1382] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 162.269694][ T1382] ? __handle_mm_fault (mm/memory.c:6212) [ 162.270027][ T1382] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 162.270361][ T1382] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 162.270726][ T1382] __sys_sendmsg (net/socket.c:2700) [ 162.271079][ T1382] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 162.271396][ T1382] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 162.271735][ T1382] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 162.272066][ T1382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 162.272388][ T1382] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 162.272712][ T1382] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 162.273126][ T1382] RIP: 0033:0x7f39db6451e7 [ 162.273475][ T1382] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 162.274674][ T1382] RSP: 002b:00007ffc5eaf4828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.275174][ T1382] RAX: ffffffffffffffda RBX: 00007ffc5eaf4f50 RCX: 00007f39db6451e7 [ 162.275678][ T1382] RDX: 0000000000000000 RSI: 00007ffc5eaf4890 RDI: 0000000000000005 [ 162.276184][ T1382] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 162.276673][ T1382] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc5eaf4f88 [ 162.277233][ T1382] R13: 00000000686e4241 R14: 0000000000499600 R15: 0000000000000000 | [ 162.437586][ T1384] ------------[ cut here ]------------ | [ 162.437960][ T1384] WARNING: CPU: 3 PID: 1384 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 162.438643][ T1384] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 162.439824][ T1384] Tainted: [W]=WARN [ 162.440066][ T1384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.440474][ T1384] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 162.440809][ T1384] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 162.441969][ T1384] RSP: 0018:ffffc90001077080 EFLAGS: 00010246 [ 162.442395][ T1384] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 162.442882][ T1384] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 162.443362][ T1384] RBP: ffffc90001077168 R08: 0000000000000000 R09: 0000000000000000 [ 162.443842][ T1384] R10: ffffc90001077198 R11: ffffffffacca8918 R12: 1ffff9200020ee14 [ 162.444322][ T1384] R13: 00000000000005dc R14: ffffc90001077198 R15: ffff88800a68af08 [ 162.444801][ T1384] FS: 00007f234e7a5800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 162.445350][ T1384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.445741][ T1384] CR2: 00000000004a1738 CR3: 000000000291c005 CR4: 0000000000772ef0 [ 162.446226][ T1384] PKRU: 55555554 [ 162.446467][ T1384] Call Trace: [ 162.446704][ T1384] [ 162.446876][ T1384] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 162.447203][ T1384] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 162.447534][ T1384] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 162.447934][ T1384] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 162.448250][ T1384] netif_set_mtu (net/core/dev.c:9652) [ 162.448571][ T1384] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 162.448939][ T1384] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 162.449404][ T1384] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 162.449648][ T1384] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 162.450095][ T1384] br_add_if (net/bridge/br_if.c:697) bridge [ 162.450472][ T1384] do_set_master (net/core/rtnetlink.c:2948) [ 162.450801][ T1384] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 162.451132][ T1384] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 162.451462][ T1384] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 162.451793][ T1384] ? __dev_get_by_name (net/core/dev.c:865) [ 162.452125][ T1384] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.452443][ T1384] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.452777][ T1384] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 162.453089][ T1384] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.453413][ T1384] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 162.453736][ T1384] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 162.454067][ T1384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.454398][ T1384] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 162.454720][ T1384] ? __lock_release (kernel/locking/lockdep.c:5539) [ 162.455051][ T1384] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.455385][ T1384] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 162.455707][ T1384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.456040][ T1384] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.456363][ T1384] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 162.456681][ T1384] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.457024][ T1384] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 162.457352][ T1384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 162.457671][ T1384] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 162.458006][ T1384] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 162.458337][ T1384] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 162.458656][ T1384] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.458990][ T1384] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 162.459339][ T1384] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 162.459659][ T1384] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 162.459998][ T1384] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 162.460328][ T1384] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 162.460650][ T1384] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 162.461056][ T1384] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 162.461382][ T1384] ___sys_sendmsg (net/socket.c:2670) [ 162.461706][ T1384] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 162.462034][ T1384] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 162.462358][ T1384] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.462676][ T1384] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 162.463011][ T1384] ? __handle_mm_fault (mm/memory.c:6212) [ 162.463331][ T1384] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 162.463650][ T1384] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 162.463991][ T1384] __sys_sendmsg (net/socket.c:2700) [ 162.464313][ T1384] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 162.464649][ T1384] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 162.464999][ T1384] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 162.465321][ T1384] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 162.465640][ T1384] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 162.465976][ T1384] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 162.466375][ T1384] RIP: 0033:0x7f234e9721e7 [ 162.466706][ T1384] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 162.467855][ T1384] RSP: 002b:00007ffd6c4b8bc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.468334][ T1384] RAX: ffffffffffffffda RBX: 00007ffd6c4b92f0 RCX: 00007f234e9721e7 [ 162.468820][ T1384] RDX: 0000000000000000 RSI: 00007ffd6c4b8c30 RDI: 0000000000000005 [ 162.469296][ T1384] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 162.469803][ T1384] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd6c4b9328 [ 162.470277][ T1384] R13: 00000000686e4241 R14: 0000000000499600 R15: 0000000000000000 | [ 162.644711][ T1387] ------------[ cut here ]------------ | [ 162.645097][ T1387] WARNING: CPU: 0 PID: 1387 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 162.645750][ T1387] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 162.646979][ T1387] Tainted: [W]=WARN [ 162.647267][ T1387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.647687][ T1387] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 162.648070][ T1387] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 162.649299][ T1387] RSP: 0018:ffffc90001017080 EFLAGS: 00010246 [ 162.649721][ T1387] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 162.650256][ T1387] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 162.650790][ T1387] RBP: ffffc90001017168 R08: 0000000000000000 R09: 0000000000000000 [ 162.651330][ T1387] R10: ffffc90001017198 R11: ffffffffacca8918 R12: 1ffff92000202e14 [ 162.651841][ T1387] R13: 00000000000005dc R14: ffffc90001017198 R15: ffff88800a68af08 [ 162.652565][ T1387] FS: 00007f040f038800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 162.653172][ T1387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.653600][ T1387] CR2: 00000000004a1738 CR3: 000000000966e004 CR4: 0000000000772ef0 [ 162.654112][ T1387] PKRU: 55555554 [ 162.654364][ T1387] Call Trace: [ 162.654611][ T1387] [ 162.654809][ T1387] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 162.655223][ T1387] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 162.655558][ T1387] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 162.655977][ T1387] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 162.656323][ T1387] netif_set_mtu (net/core/dev.c:9652) [ 162.656663][ T1387] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 162.657018][ T1387] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 162.657507][ T1387] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 162.657787][ T1387] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 162.658273][ T1387] br_add_if (net/bridge/br_if.c:697) bridge [ 162.658687][ T1387] do_set_master (net/core/rtnetlink.c:2948) [ 162.659037][ T1387] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 162.659383][ T1387] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 162.659708][ T1387] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 162.660039][ T1387] ? __dev_get_by_name (net/core/dev.c:865) [ 162.660392][ T1387] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.660737][ T1387] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.661078][ T1387] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 162.661397][ T1387] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.661753][ T1387] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 162.662106][ T1387] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 162.662449][ T1387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.662804][ T1387] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 162.663165][ T1387] ? __lock_release (kernel/locking/lockdep.c:5539) [ 162.663507][ T1387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.663849][ T1387] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 162.664185][ T1387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.664523][ T1387] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.664872][ T1387] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 162.665211][ T1387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.665544][ T1387] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 162.665903][ T1387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 162.666231][ T1387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 162.666565][ T1387] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 162.666908][ T1387] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 162.667274][ T1387] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.667613][ T1387] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 162.667967][ T1387] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 162.668304][ T1387] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 162.668641][ T1387] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 162.668984][ T1387] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 162.669314][ T1387] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 162.669733][ T1387] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 162.670087][ T1387] ___sys_sendmsg (net/socket.c:2670) [ 162.670440][ T1387] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 162.670780][ T1387] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 162.671139][ T1387] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.671483][ T1387] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 162.671827][ T1387] ? __handle_mm_fault (mm/memory.c:6212) [ 162.672168][ T1387] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 162.672494][ T1387] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 162.672852][ T1387] __sys_sendmsg (net/socket.c:2700) [ 162.673186][ T1387] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 162.673519][ T1387] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 162.673868][ T1387] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 162.674201][ T1387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 162.674544][ T1387] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 162.674887][ T1387] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 162.675331][ T1387] RIP: 0033:0x7f040f2051e7 [ 162.675675][ T1387] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 162.676874][ T1387] RSP: 002b:00007ffc73923c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.677387][ T1387] RAX: ffffffffffffffda RBX: 00007ffc739243c0 RCX: 00007f040f2051e7 [ 162.677894][ T1387] RDX: 0000000000000000 RSI: 00007ffc73923d00 RDI: 0000000000000005 [ 162.678392][ T1387] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 162.678899][ T1387] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc739243f8 [ 162.679426][ T1387] R13: 00000000686e4241 R14: 0000000000499600 R15: 0000000000000000 | [ 162.904375][ T1388] ------------[ cut here ]------------ | [ 162.906941][ T1388] WARNING: CPU: 1 PID: 1388 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 162.908294][ T1388] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 162.910327][ T1388] Tainted: [W]=WARN [ 162.910756][ T1388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.911448][ T1388] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 162.912059][ T1388] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 162.914041][ T1388] RSP: 0018:ffffc90000f67080 EFLAGS: 00010246 [ 162.914745][ T1388] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 162.915583][ T1388] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 162.916348][ T1388] RBP: ffffc90000f67168 R08: 0000000000000000 R09: 0000000000000000 [ 162.917132][ T1388] R10: ffffc90000f67198 R11: ffffffffacca8918 R12: 1ffff920001ece14 [ 162.917901][ T1388] R13: 00000000000005dc R14: ffffc90000f67198 R15: ffff88800a68af08 [ 162.918635][ T1388] FS: 00007f1c768f1800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 162.919580][ T1388] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.920313][ T1388] CR2: 00007f1c76b055c0 CR3: 0000000009457003 CR4: 0000000000772ef0 [ 162.921212][ T1388] PKRU: 55555554 [ 162.921640][ T1388] Call Trace: [ 162.922103][ T1388] [ 162.922390][ T1388] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 162.922994][ T1388] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 162.923575][ T1388] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 162.924272][ T1388] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 162.924872][ T1388] netif_set_mtu (net/core/dev.c:9652) [ 162.925459][ T1388] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 162.926091][ T1388] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 162.926911][ T1388] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 162.927391][ T1388] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 162.928227][ T1388] br_add_if (net/bridge/br_if.c:697) bridge [ 162.928917][ T1388] do_set_master (net/core/rtnetlink.c:2948) [ 162.929500][ T1388] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 162.930111][ T1388] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 162.930547][ T1388] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 162.930894][ T1388] ? __dev_get_by_name (net/core/dev.c:865) [ 162.931228][ T1388] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.931561][ T1388] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 162.931923][ T1388] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 162.932261][ T1388] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 162.932602][ T1388] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 162.932964][ T1388] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 162.933303][ T1388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.933649][ T1388] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 162.933998][ T1388] ? __lock_release (kernel/locking/lockdep.c:5539) [ 162.934332][ T1388] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 162.934674][ T1388] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 162.935020][ T1388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.935362][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.935710][ T1388] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 162.936061][ T1388] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 162.936398][ T1388] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 162.936750][ T1388] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 162.937091][ T1388] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 162.937425][ T1388] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 162.937761][ T1388] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 162.938106][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.938448][ T1388] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 162.938792][ T1388] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 162.939127][ T1388] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 162.939470][ T1388] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 162.939821][ T1388] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 162.940155][ T1388] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 162.940591][ T1388] ___sys_sendmsg (net/socket.c:2670) [ 162.940934][ T1388] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 162.941272][ T1388] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 162.941627][ T1388] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 162.941976][ T1388] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 162.942297][ T1388] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 162.942619][ T1388] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 162.942946][ T1388] __sys_sendmsg (net/socket.c:2700) [ 162.943267][ T1388] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 162.943593][ T1388] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 162.943931][ T1388] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 162.944249][ T1388] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 162.944639][ T1388] RIP: 0033:0x7f1c76abe1e7 [ 162.944980][ T1388] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 162.946111][ T1388] RSP: 002b:00007fff3095a308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.946583][ T1388] RAX: ffffffffffffffda RBX: 00007fff3095aa30 RCX: 00007f1c76abe1e7 [ 162.947067][ T1388] RDX: 0000000000000000 RSI: 00007fff3095a370 RDI: 0000000000000005 [ 162.947536][ T1388] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 162.948025][ T1388] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff3095aa68 [ 162.948500][ T1388] R13: 00000000686e4241 R14: 0000000000499600 R15: 0000000000000000 | [ 163.118214][ T1391] ------------[ cut here ]------------ | [ 163.118534][ T1391] WARNING: CPU: 3 PID: 1391 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 163.119212][ T1391] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 163.120387][ T1391] Tainted: [W]=WARN [ 163.120636][ T1391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 163.121061][ T1391] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 163.121397][ T1391] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 163.122574][ T1391] RSP: 0018:ffffc90001057080 EFLAGS: 00010246 [ 163.122984][ T1391] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 163.123472][ T1391] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 163.123980][ T1391] RBP: ffffc90001057168 R08: 0000000000000000 R09: 0000000000000000 [ 163.124465][ T1391] R10: ffffc90001057198 R11: ffffffffacca8918 R12: 1ffff9200020ae14 [ 163.124952][ T1391] R13: 00000000000005dc R14: ffffc90001057198 R15: ffff88800a68af08 [ 163.125464][ T1391] FS: 00007f42915f2800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 163.126039][ T1391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.126448][ T1391] CR2: 00000000004a1738 CR3: 000000000bbf3004 CR4: 0000000000772ef0 [ 163.126941][ T1391] PKRU: 55555554 [ 163.127179][ T1391] Call Trace: [ 163.127441][ T1391] [ 163.127605][ T1391] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 163.127943][ T1391] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 163.128267][ T1391] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 163.128661][ T1391] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.128997][ T1391] netif_set_mtu (net/core/dev.c:9652) [ 163.129328][ T1391] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 163.129659][ T1391] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 163.130113][ T1391] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 163.130371][ T1391] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 163.130818][ T1391] br_add_if (net/bridge/br_if.c:697) bridge [ 163.131180][ T1391] do_set_master (net/core/rtnetlink.c:2948) [ 163.131501][ T1391] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 163.131826][ T1391] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 163.132154][ T1391] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 163.132473][ T1391] ? __dev_get_by_name (net/core/dev.c:865) [ 163.132802][ T1391] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.133125][ T1391] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.133451][ T1391] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 163.133775][ T1391] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.134095][ T1391] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 163.134424][ T1391] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 163.134744][ T1391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.135083][ T1391] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 163.135406][ T1391] ? __lock_release (kernel/locking/lockdep.c:5539) [ 163.135737][ T1391] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.136065][ T1391] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 163.136386][ T1391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.136714][ T1391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.137045][ T1391] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 163.137361][ T1391] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.137681][ T1391] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 163.138021][ T1391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 163.138345][ T1391] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 163.138665][ T1391] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 163.138995][ T1391] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 163.139549][ T1391] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.140107][ T1391] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 163.140440][ T1391] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 163.140757][ T1391] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 163.141092][ T1391] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 163.141415][ T1391] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 163.141727][ T1391] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 163.142167][ T1391] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 163.142497][ T1391] ___sys_sendmsg (net/socket.c:2670) [ 163.143065][ T1391] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 163.143383][ T1391] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 163.143744][ T1391] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.144088][ T1391] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 163.144436][ T1391] ? __handle_mm_fault (mm/memory.c:6212) [ 163.144777][ T1391] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 163.145144][ T1391] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 163.145720][ T1391] __sys_sendmsg (net/socket.c:2700) [ 163.146058][ T1391] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 163.146394][ T1391] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 163.146738][ T1391] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 163.147326][ T1391] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 163.147656][ T1391] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 163.147992][ T1391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 163.148866][ T1391] RIP: 0033:0x7f42917bf1e7 [ 163.149203][ T1391] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 163.150634][ T1391] RSP: 002b:00007fffe7657018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.151138][ T1391] RAX: ffffffffffffffda RBX: 00007fffe7657740 RCX: 00007f42917bf1e7 [ 163.151638][ T1391] RDX: 0000000000000000 RSI: 00007fffe7657080 RDI: 0000000000000005 [ 163.152147][ T1391] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 163.152644][ T1391] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe7657778 [ 163.153191][ T1391] R13: 00000000686e4241 R14: 0000000000499600 R15: 0000000000000000 | [ 163.307084][ T1392] ------------[ cut here ]------------ | [ 163.307401][ T1392] WARNING: CPU: 1 PID: 1392 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 163.308218][ T1392] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 163.309358][ T1392] Tainted: [W]=WARN [ 163.309596][ T1392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 163.310010][ T1392] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 163.310344][ T1392] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 163.311470][ T1392] RSP: 0018:ffffc90001077080 EFLAGS: 00010246 [ 163.311881][ T1392] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 163.312350][ T1392] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 163.312831][ T1392] RBP: ffffc90001077168 R08: 0000000000000000 R09: 0000000000000000 [ 163.313306][ T1392] R10: ffffc90001077198 R11: ffffffffacca8918 R12: 1ffff9200020ee14 [ 163.313785][ T1392] R13: 00000000000005dc R14: ffffc90001077198 R15: ffff88800a68af08 [ 163.314254][ T1392] FS: 00007fcc5e13f800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 163.314817][ T1392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.315217][ T1392] CR2: 00000000004a1738 CR3: 0000000010218005 CR4: 0000000000772ef0 [ 163.315687][ T1392] PKRU: 55555554 [ 163.315931][ T1392] Call Trace: [ 163.316167][ T1392] [ 163.316329][ T1392] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 163.316648][ T1392] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 163.316974][ T1392] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 163.317367][ T1392] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.317682][ T1392] netif_set_mtu (net/core/dev.c:9652) [ 163.318002][ T1392] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 163.318332][ T1392] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 163.318795][ T1392] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 163.319040][ T1392] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 163.319469][ T1392] br_add_if (net/bridge/br_if.c:697) bridge [ 163.319839][ T1392] do_set_master (net/core/rtnetlink.c:2948) [ 163.320153][ T1392] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 163.320482][ T1392] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 163.320806][ T1392] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 163.321120][ T1392] ? __dev_get_by_name (net/core/dev.c:865) [ 163.321442][ T1392] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.321759][ T1392] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.322090][ T1392] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 163.322409][ T1392] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.322729][ T1392] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 163.323061][ T1392] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 163.323383][ T1392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.323708][ T1392] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 163.324026][ T1392] ? __lock_release (kernel/locking/lockdep.c:5539) [ 163.324347][ T1392] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.324658][ T1392] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 163.325037][ T1392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.325378][ T1392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.325724][ T1392] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 163.326054][ T1392] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.326370][ T1392] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 163.326709][ T1392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 163.327026][ T1392] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 163.327344][ T1392] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 163.327664][ T1392] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 163.327986][ T1392] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.328308][ T1392] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 163.328629][ T1392] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 163.328951][ T1392] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 163.329295][ T1392] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 163.329625][ T1392] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 163.329957][ T1392] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 163.330363][ T1392] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 163.330690][ T1392] ___sys_sendmsg (net/socket.c:2670) [ 163.331031][ T1392] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 163.331356][ T1392] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 163.331676][ T1392] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.332011][ T1392] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 163.332338][ T1392] ? __handle_mm_fault (mm/memory.c:6212) [ 163.332662][ T1392] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 163.332994][ T1392] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 163.333325][ T1392] __sys_sendmsg (net/socket.c:2700) [ 163.333639][ T1392] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 163.333968][ T1392] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 163.334293][ T1392] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 163.334612][ T1392] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 163.334939][ T1392] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 163.335257][ T1392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 163.335649][ T1392] RIP: 0033:0x7fcc5e30c1e7 [ 163.335992][ T1392] Code: Unable to access opcode bytes at 0x7fcc5e30c1bd. Code starting with the faulting instruction =========================================== [ 163.336402][ T1392] RSP: 002b:00007ffea7085778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.336881][ T1392] RAX: ffffffffffffffda RBX: 00007ffea7085ea0 RCX: 00007fcc5e30c1e7 [ 163.337354][ T1392] RDX: 0000000000000000 RSI: 00007ffea70857e0 RDI: 0000000000000005 [ 163.337829][ T1392] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 163.338306][ T1392] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea7085ed8 [ 163.338796][ T1392] R13: 00000000686e4242 R14: 0000000000499600 R15: 0000000000000000 | [ 163.483039][ T1394] ------------[ cut here ]------------ | [ 163.483361][ T1394] WARNING: CPU: 0 PID: 1394 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 163.484070][ T1394] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 163.485241][ T1394] Tainted: [W]=WARN [ 163.485511][ T1394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 163.485940][ T1394] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 163.486301][ T1394] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 163.487505][ T1394] RSP: 0018:ffffc90000f67080 EFLAGS: 00010246 [ 163.487940][ T1394] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 163.488435][ T1394] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 163.488949][ T1394] RBP: ffffc90000f67168 R08: 0000000000000000 R09: 0000000000000000 [ 163.489446][ T1394] R10: ffffc90000f67198 R11: ffffffffacca8918 R12: 1ffff920001ece14 [ 163.489936][ T1394] R13: 00000000000005dc R14: ffffc90000f67198 R15: ffff88800a68af08 [ 163.490471][ T1394] FS: 00007f170d97d800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 163.491061][ T1394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.491471][ T1394] CR2: 00000000004a1738 CR3: 0000000008711001 CR4: 0000000000772ef0 [ 163.491962][ T1394] PKRU: 55555554 [ 163.492207][ T1394] Call Trace: [ 163.492450][ T1394] [ 163.492618][ T1394] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 163.492966][ T1394] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 163.493294][ T1394] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 163.493709][ T1394] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.494048][ T1394] netif_set_mtu (net/core/dev.c:9652) [ 163.494393][ T1394] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 163.494731][ T1394] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 163.495202][ T1394] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 163.495449][ T1394] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 163.495902][ T1394] br_add_if (net/bridge/br_if.c:697) bridge [ 163.496278][ T1394] do_set_master (net/core/rtnetlink.c:2948) [ 163.496602][ T1394] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 163.496941][ T1394] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 163.497274][ T1394] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 163.497596][ T1394] ? __dev_get_by_name (net/core/dev.c:865) [ 163.497929][ T1394] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.498254][ T1394] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.498584][ T1394] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 163.498917][ T1394] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.499249][ T1394] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 163.499600][ T1394] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 163.499948][ T1394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.500286][ T1394] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 163.500624][ T1394] ? __lock_release (kernel/locking/lockdep.c:5539) [ 163.500958][ T1394] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.501281][ T1394] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 163.501606][ T1394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.501944][ T1394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.502275][ T1394] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 163.502611][ T1394] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.502945][ T1394] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 163.503277][ T1394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 163.503614][ T1394] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 163.503954][ T1394] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 163.504282][ T1394] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 163.504621][ T1394] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.504965][ T1394] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 163.505296][ T1394] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 163.505626][ T1394] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 163.505967][ T1394] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 163.506297][ T1394] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 163.506620][ T1394] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 163.507032][ T1394] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 163.507362][ T1394] ___sys_sendmsg (net/socket.c:2670) [ 163.507690][ T1394] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 163.508024][ T1394] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 163.508363][ T1394] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.508686][ T1394] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 163.509029][ T1394] ? __handle_mm_fault (mm/memory.c:6212) [ 163.509358][ T1394] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 163.509689][ T1394] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 163.510045][ T1394] __sys_sendmsg (net/socket.c:2700) [ 163.510391][ T1394] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 163.510732][ T1394] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 163.511086][ T1394] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 163.511421][ T1394] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 163.511755][ T1394] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 163.512092][ T1394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 163.512507][ T1394] RIP: 0033:0x7f170db4a1e7 [ 163.512859][ T1394] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 163.514040][ T1394] RSP: 002b:00007ffc2bb1e048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.514531][ T1394] RAX: ffffffffffffffda RBX: 00007ffc2bb1e770 RCX: 00007f170db4a1e7 [ 163.515032][ T1394] RDX: 0000000000000000 RSI: 00007ffc2bb1e0b0 RDI: 0000000000000005 [ 163.515516][ T1394] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 163.516014][ T1394] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc2bb1e7a8 [ 163.516503][ T1394] R13: 00000000686e4242 R14: 0000000000499600 R15: 0000000000000000 | [ 163.679110][ T1396] ------------[ cut here ]------------ | [ 163.679450][ T1396] WARNING: CPU: 2 PID: 1396 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 163.680168][ T1396] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 163.681379][ T1396] Tainted: [W]=WARN [ 163.681640][ T1396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 163.682072][ T1396] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 163.682439][ T1396] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 163.683616][ T1396] RSP: 0018:ffffc90001097080 EFLAGS: 00010246 [ 163.684120][ T1396] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 163.684626][ T1396] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 163.685131][ T1396] RBP: ffffc90001097168 R08: 0000000000000000 R09: 0000000000000000 [ 163.685625][ T1396] R10: ffffc90001097198 R11: ffffffffacca8918 R12: 1ffff92000212e14 [ 163.686131][ T1396] R13: 00000000000005dc R14: ffffc90001097198 R15: ffff88800a68af08 [ 163.686624][ T1396] FS: 00007fb380f72800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 163.687201][ T1396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.687616][ T1396] CR2: 00007fff0f4eeff8 CR3: 000000000e274001 CR4: 0000000000772ef0 [ 163.688171][ T1396] PKRU: 55555554 [ 163.688433][ T1396] Call Trace: [ 163.688687][ T1396] [ 163.688878][ T1396] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 163.689226][ T1396] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 163.689563][ T1396] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 163.689988][ T1396] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.690346][ T1396] netif_set_mtu (net/core/dev.c:9652) [ 163.690689][ T1396] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 163.691054][ T1396] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 163.691529][ T1396] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 163.691802][ T1396] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 163.692305][ T1396] br_add_if (net/bridge/br_if.c:697) bridge [ 163.692697][ T1396] do_set_master (net/core/rtnetlink.c:2948) [ 163.693050][ T1396] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 163.693394][ T1396] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 163.693730][ T1396] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 163.694073][ T1396] ? __dev_get_by_name (net/core/dev.c:865) [ 163.694409][ T1396] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.694746][ T1396] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.695094][ T1396] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 163.695439][ T1396] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.695794][ T1396] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 163.696180][ T1396] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 163.696525][ T1396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.696889][ T1396] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 163.697221][ T1396] ? __lock_release (kernel/locking/lockdep.c:5539) [ 163.697558][ T1396] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.697900][ T1396] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 163.698237][ T1396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.698581][ T1396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.698941][ T1396] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 163.699284][ T1396] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.699620][ T1396] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 163.700023][ T1396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 163.700379][ T1396] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 163.700720][ T1396] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 163.701069][ T1396] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 163.701421][ T1396] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.701766][ T1396] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 163.702125][ T1396] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 163.702473][ T1396] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 163.702826][ T1396] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 163.703172][ T1396] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 163.703511][ T1396] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 163.703967][ T1396] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 163.704314][ T1396] ___sys_sendmsg (net/socket.c:2670) [ 163.704652][ T1396] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 163.705000][ T1396] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 163.705341][ T1396] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.705686][ T1396] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 163.706041][ T1396] ? __handle_mm_fault (mm/memory.c:6212) [ 163.706383][ T1396] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 163.706722][ T1396] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 163.707094][ T1396] __sys_sendmsg (net/socket.c:2700) [ 163.707429][ T1396] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 163.707784][ T1396] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 163.708181][ T1396] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 163.708535][ T1396] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 163.708890][ T1396] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 163.709230][ T1396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 163.709647][ T1396] RIP: 0033:0x7fb38113f1e7 [ 163.710003][ T1396] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 163.711182][ T1396] RSP: 002b:00007ffe581b27a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.712211][ T1396] RAX: ffffffffffffffda RBX: 00007ffe581b2ed0 RCX: 00007fb38113f1e7 [ 163.712720][ T1396] RDX: 0000000000000000 RSI: 00007ffe581b2810 RDI: 0000000000000005 [ 163.713466][ T1396] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 163.713968][ T1396] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe581b2f08 [ 163.714462][ T1396] R13: 00000000686e4242 R14: 0000000000499600 R15: 0000000000000000 | [ 163.867501][ T1399] ------------[ cut here ]------------ | [ 163.868359][ T1399] WARNING: CPU: 3 PID: 1399 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 163.869087][ T1399] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 163.870377][ T1399] Tainted: [W]=WARN [ 163.870683][ T1399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 163.871140][ T1399] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 163.871517][ T1399] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 163.872810][ T1399] RSP: 0018:ffffc90001087080 EFLAGS: 00010246 [ 163.873232][ T1399] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 163.873709][ T1399] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 163.874189][ T1399] RBP: ffffc90001087168 R08: 0000000000000000 R09: 0000000000000000 [ 163.874670][ T1399] R10: ffffc90001087198 R11: ffffffffacca8918 R12: 1ffff92000210e14 [ 163.875155][ T1399] R13: 00000000000005dc R14: ffffc90001087198 R15: ffff88800a68af08 [ 163.875628][ T1399] FS: 00007f07e9ac2800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 163.876188][ T1399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.876585][ T1399] CR2: 00000000004a1738 CR3: 000000000f9e2003 CR4: 0000000000772ef0 [ 163.877070][ T1399] PKRU: 55555554 [ 163.877312][ T1399] Call Trace: [ 163.877552][ T1399] [ 163.877724][ T1399] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 163.878060][ T1399] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 163.878383][ T1399] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 163.878782][ T1399] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 163.879100][ T1399] netif_set_mtu (net/core/dev.c:9652) [ 163.879422][ T1399] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 163.879749][ T1399] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 163.880196][ T1399] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 163.880458][ T1399] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 163.880901][ T1399] br_add_if (net/bridge/br_if.c:697) bridge [ 163.881272][ T1399] do_set_master (net/core/rtnetlink.c:2948) [ 163.881590][ T1399] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 163.881919][ T1399] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 163.882259][ T1399] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 163.882582][ T1399] ? __dev_get_by_name (net/core/dev.c:865) [ 163.882928][ T1399] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.883250][ T1399] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 163.883570][ T1399] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 163.883900][ T1399] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.884229][ T1399] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 163.884568][ T1399] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 163.884905][ T1399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.885251][ T1399] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 163.885590][ T1399] ? __lock_release (kernel/locking/lockdep.c:5539) [ 163.885943][ T1399] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 163.886286][ T1399] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 163.886628][ T1399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.886977][ T1399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.887328][ T1399] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 163.887663][ T1399] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 163.888003][ T1399] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 163.888354][ T1399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 163.888689][ T1399] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 163.889034][ T1399] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 163.889379][ T1399] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 163.889715][ T1399] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 163.890059][ T1399] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 163.890411][ T1399] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 163.890736][ T1399] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 163.891090][ T1399] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 163.891429][ T1399] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 163.891760][ T1399] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 163.892186][ T1399] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 163.892540][ T1399] ___sys_sendmsg (net/socket.c:2670) [ 163.892886][ T1399] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 163.893232][ T1399] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 163.893577][ T1399] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 163.893923][ T1399] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 163.894290][ T1399] ? __handle_mm_fault (mm/memory.c:6212) [ 163.894630][ T1399] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 163.894971][ T1399] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 163.895329][ T1399] __sys_sendmsg (net/socket.c:2700) [ 163.895680][ T1399] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 163.896025][ T1399] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 163.896368][ T1399] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 163.896712][ T1399] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 163.897085][ T1399] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 163.897441][ T1399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 163.897871][ T1399] RIP: 0033:0x7f07e9c8f1e7 [ 163.898238][ T1399] Code: Unable to access opcode bytes at 0x7f07e9c8f1bd. Code starting with the faulting instruction =========================================== [ 163.898672][ T1399] RSP: 002b:00007ffe4263b608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 163.899201][ T1399] RAX: ffffffffffffffda RBX: 00007ffe4263bd30 RCX: 00007f07e9c8f1e7 [ 163.899705][ T1399] RDX: 0000000000000000 RSI: 00007ffe4263b670 RDI: 0000000000000005 [ 163.900207][ T1399] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 163.900719][ T1399] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe4263bd68 [ 163.901233][ T1399] R13: 00000000686e4242 R14: 0000000000499600 R15: 0000000000000000 | [ 164.071376][ T1401] ------------[ cut here ]------------ | [ 164.071717][ T1401] WARNING: CPU: 2 PID: 1401 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 164.072432][ T1401] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 164.073634][ T1401] Tainted: [W]=WARN [ 164.073909][ T1401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.074323][ T1401] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 164.074672][ T1401] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 164.075878][ T1401] RSP: 0000:ffffc90001087080 EFLAGS: 00010246 [ 164.076298][ T1401] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 164.076801][ T1401] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 164.077300][ T1401] RBP: ffffc90001087168 R08: 0000000000000000 R09: 0000000000000000 [ 164.077805][ T1401] R10: ffffc90001087198 R11: ffffffffacca8918 R12: 1ffff92000210e14 [ 164.078299][ T1401] R13: 00000000000005dc R14: ffffc90001087198 R15: ffff88800a68af08 [ 164.078804][ T1401] FS: 00007f0546c75800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 164.079433][ T1401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.079869][ T1401] CR2: 00007f4efcef65a0 CR3: 000000000f9ae001 CR4: 0000000000772ef0 [ 164.080375][ T1401] PKRU: 55555554 [ 164.080635][ T1401] Call Trace: [ 164.080902][ T1401] [ 164.081084][ T1401] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 164.081430][ T1401] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 164.081789][ T1401] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 164.082209][ T1401] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 164.082549][ T1401] netif_set_mtu (net/core/dev.c:9652) [ 164.082900][ T1401] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 164.083280][ T1401] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 164.083749][ T1401] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 164.084023][ T1401] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 164.084475][ T1401] br_add_if (net/bridge/br_if.c:697) bridge [ 164.084873][ T1401] do_set_master (net/core/rtnetlink.c:2948) [ 164.085212][ T1401] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 164.085561][ T1401] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 164.085926][ T1401] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 164.086269][ T1401] ? __dev_get_by_name (net/core/dev.c:865) [ 164.086604][ T1401] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.086952][ T1401] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.087327][ T1401] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.087666][ T1401] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.088022][ T1401] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 164.088368][ T1401] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.088713][ T1401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.089074][ T1401] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.089407][ T1401] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.089745][ T1401] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.090096][ T1401] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.090454][ T1401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.090813][ T1401] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.091158][ T1401] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.091533][ T1401] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.091897][ T1401] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.092264][ T1401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.092611][ T1401] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 164.092977][ T1401] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.093321][ T1401] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.093664][ T1401] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.094020][ T1401] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.094364][ T1401] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.094706][ T1401] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.095076][ T1401] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.095482][ T1401] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.095849][ T1401] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.096290][ T1401] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 164.096651][ T1401] ___sys_sendmsg (net/socket.c:2670) [ 164.097017][ T1401] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.097373][ T1401] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 164.097732][ T1401] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.098092][ T1401] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 164.098450][ T1401] ? __handle_mm_fault (mm/memory.c:6212) [ 164.098812][ T1401] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 164.099168][ T1401] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 164.099567][ T1401] __sys_sendmsg (net/socket.c:2700) [ 164.099939][ T1401] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.100303][ T1401] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 164.100677][ T1401] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 164.101050][ T1401] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.101405][ T1401] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.101759][ T1401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.102209][ T1401] RIP: 0033:0x7f0546e421e7 [ 164.102584][ T1401] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 164.103862][ T1401] RSP: 002b:00007ffd71e210b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.104374][ T1401] RAX: ffffffffffffffda RBX: 00007ffd71e217e0 RCX: 00007f0546e421e7 [ 164.104889][ T1401] RDX: 0000000000000000 RSI: 00007ffd71e21120 RDI: 0000000000000005 [ 164.105383][ T1401] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 164.105892][ T1401] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd71e21818 [ 164.106386][ T1401] R13: 00000000686e4242 R14: 0000000000499600 R15: 0000000000000000 | [ 164.270189][ T1403] ------------[ cut here ]------------ | [ 164.270533][ T1403] WARNING: CPU: 0 PID: 1403 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 164.271571][ T1403] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 164.272764][ T1403] Tainted: [W]=WARN [ 164.273025][ T1403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.273435][ T1403] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 164.273786][ T1403] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 164.274975][ T1403] RSP: 0018:ffffc900010b7080 EFLAGS: 00010246 [ 164.275397][ T1403] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 164.275901][ T1403] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 164.276399][ T1403] RBP: ffffc900010b7168 R08: 0000000000000000 R09: 0000000000000000 [ 164.276909][ T1403] R10: ffffc900010b7198 R11: ffffffffacca8918 R12: 1ffff92000216e14 [ 164.277466][ T1403] R13: 00000000000005dc R14: ffffc900010b7198 R15: ffff88800a68af08 [ 164.278000][ T1403] FS: 00007fc001bc1800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 164.278598][ T1403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.279061][ T1403] CR2: 00000000004a1738 CR3: 0000000013257001 CR4: 0000000000772ef0 [ 164.279579][ T1403] PKRU: 55555554 [ 164.279840][ T1403] Call Trace: [ 164.280100][ T1403] [ 164.280279][ T1403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 164.280653][ T1403] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 164.281034][ T1403] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 164.281463][ T1403] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 164.281831][ T1403] netif_set_mtu (net/core/dev.c:9652) [ 164.282172][ T1403] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 164.282547][ T1403] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 164.283033][ T1403] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 164.283336][ T1403] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 164.283804][ T1403] br_add_if (net/bridge/br_if.c:697) bridge [ 164.284205][ T1403] do_set_master (net/core/rtnetlink.c:2948) [ 164.284544][ T1403] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 164.284890][ T1403] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 164.285275][ T1403] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 164.285621][ T1403] ? __dev_get_by_name (net/core/dev.c:865) [ 164.285967][ T1403] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.286308][ T1403] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.286682][ T1403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.287049][ T1403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.287422][ T1403] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 164.287799][ T1403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.288147][ T1403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.288501][ T1403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.288854][ T1403] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.289216][ T1403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.289567][ T1403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.289943][ T1403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.290306][ T1403] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.290673][ T1403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.291030][ T1403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.291385][ T1403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.291740][ T1403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.292078][ T1403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 164.292413][ T1403] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.292783][ T1403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.293126][ T1403] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.293492][ T1403] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.293861][ T1403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.294200][ T1403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.294546][ T1403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.294898][ T1403] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.295234][ T1403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.295657][ T1403] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 164.296017][ T1403] ___sys_sendmsg (net/socket.c:2670) [ 164.296377][ T1403] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.296725][ T1403] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 164.297086][ T1403] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.297422][ T1403] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 164.297775][ T1403] ? __handle_mm_fault (mm/memory.c:6212) [ 164.298110][ T1403] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 164.298444][ T1403] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 164.298804][ T1403] __sys_sendmsg (net/socket.c:2700) [ 164.299140][ T1403] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.299478][ T1403] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 164.299864][ T1403] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 164.300205][ T1403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.300568][ T1403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.300916][ T1403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.301355][ T1403] RIP: 0033:0x7fc001d8e1e7 [ 164.301714][ T1403] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 164.302932][ T1403] RSP: 002b:00007ffeef37dca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.303473][ T1403] RAX: ffffffffffffffda RBX: 00007ffeef37e3d0 RCX: 00007fc001d8e1e7 [ 164.303987][ T1403] RDX: 0000000000000000 RSI: 00007ffeef37dd10 RDI: 0000000000000005 [ 164.304503][ T1403] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 164.305012][ T1403] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeef37e408 [ 164.305534][ T1403] R13: 00000000686e4243 R14: 0000000000499600 R15: 0000000000000000 | [ 164.477353][ T1405] ------------[ cut here ]------------ | [ 164.477673][ T1405] WARNING: CPU: 0 PID: 1405 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 164.478383][ T1405] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 164.479605][ T1405] Tainted: [W]=WARN [ 164.479872][ T1405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.480288][ T1405] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 164.480677][ T1405] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 164.481861][ T1405] RSP: 0018:ffffc900010c7080 EFLAGS: 00010246 [ 164.482288][ T1405] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 164.482759][ T1405] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 164.483252][ T1405] RBP: ffffc900010c7168 R08: 0000000000000000 R09: 0000000000000000 [ 164.483726][ T1405] R10: ffffc900010c7198 R11: ffffffffacca8918 R12: 1ffff92000218e14 [ 164.484202][ T1405] R13: 00000000000005dc R14: ffffc900010c7198 R15: ffff88800a68af08 [ 164.484675][ T1405] FS: 00007f4f0efd9800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 164.485244][ T1405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.485658][ T1405] CR2: 00000000004a1738 CR3: 0000000013257005 CR4: 0000000000772ef0 [ 164.486147][ T1405] PKRU: 55555554 [ 164.486384][ T1405] Call Trace: [ 164.486630][ T1405] [ 164.486806][ T1405] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 164.487138][ T1405] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 164.487457][ T1405] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 164.487878][ T1405] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 164.488194][ T1405] netif_set_mtu (net/core/dev.c:9652) [ 164.488508][ T1405] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 164.488862][ T1405] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 164.489319][ T1405] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 164.489559][ T1405] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 164.490000][ T1405] br_add_if (net/bridge/br_if.c:697) bridge [ 164.490380][ T1405] do_set_master (net/core/rtnetlink.c:2948) [ 164.490703][ T1405] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 164.491034][ T1405] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 164.491356][ T1405] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 164.491674][ T1405] ? __dev_get_by_name (net/core/dev.c:865) [ 164.492020][ T1405] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.492337][ T1405] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.492667][ T1405] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.493001][ T1405] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.493323][ T1405] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 164.493703][ T1405] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.494035][ T1405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.494362][ T1405] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.494675][ T1405] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.495008][ T1405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.495330][ T1405] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.495651][ T1405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.496009][ T1405] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.496343][ T1405] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.496667][ T1405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.496998][ T1405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.497329][ T1405] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.497646][ T1405] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 164.497985][ T1405] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.498319][ T1405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.498639][ T1405] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.498973][ T1405] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.499299][ T1405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.499623][ T1405] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.499968][ T1405] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.500290][ T1405] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.500646][ T1405] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.501111][ T1405] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 164.501472][ T1405] ___sys_sendmsg (net/socket.c:2670) [ 164.501826][ T1405] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.502144][ T1405] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 164.502484][ T1405] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.502807][ T1405] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 164.503152][ T1405] ? __handle_mm_fault (mm/memory.c:6212) [ 164.503470][ T1405] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 164.503794][ T1405] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 164.504147][ T1405] __sys_sendmsg (net/socket.c:2700) [ 164.504467][ T1405] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.504796][ T1405] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 164.505139][ T1405] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 164.505459][ T1405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.505789][ T1405] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.506103][ T1405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.506524][ T1405] RIP: 0033:0x7f4f0f1a61e7 [ 164.506858][ T1405] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 164.508011][ T1405] RSP: 002b:00007fff2c4fe6f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.508500][ T1405] RAX: ffffffffffffffda RBX: 00007fff2c4fee20 RCX: 00007f4f0f1a61e7 [ 164.509000][ T1405] RDX: 0000000000000000 RSI: 00007fff2c4fe760 RDI: 0000000000000005 [ 164.509471][ T1405] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 164.509954][ T1405] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff2c4fee58 [ 164.510446][ T1405] R13: 00000000686e4243 R14: 0000000000499600 R15: 0000000000000000 | [ 164.669975][ T1407] ------------[ cut here ]------------ | [ 164.670325][ T1407] WARNING: CPU: 2 PID: 1407 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 164.671055][ T1407] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 164.672227][ T1407] Tainted: [W]=WARN [ 164.672481][ T1407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.672901][ T1407] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 164.673254][ T1407] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 164.674405][ T1407] RSP: 0018:ffffc900010c7080 EFLAGS: 00010246 [ 164.674861][ T1407] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 164.675357][ T1407] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 164.675852][ T1407] RBP: ffffc900010c7168 R08: 0000000000000000 R09: 0000000000000000 [ 164.676343][ T1407] R10: ffffc900010c7198 R11: ffffffffacca8918 R12: 1ffff92000218e14 [ 164.676840][ T1407] R13: 00000000000005dc R14: ffffc900010c7198 R15: ffff88800a68af08 [ 164.677332][ T1407] FS: 00007ff4ec41c800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 164.677925][ T1407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.678350][ T1407] CR2: 00000000004a1738 CR3: 0000000013257004 CR4: 0000000000772ef0 [ 164.678859][ T1407] PKRU: 55555554 [ 164.679114][ T1407] Call Trace: [ 164.679367][ T1407] [ 164.679543][ T1407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 164.679892][ T1407] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 164.680236][ T1407] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 164.680690][ T1407] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 164.681040][ T1407] netif_set_mtu (net/core/dev.c:9652) [ 164.681382][ T1407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 164.681722][ T1407] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 164.682196][ T1407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 164.682461][ T1407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 164.682922][ T1407] br_add_if (net/bridge/br_if.c:697) bridge [ 164.683295][ T1407] do_set_master (net/core/rtnetlink.c:2948) [ 164.683631][ T1407] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 164.683984][ T1407] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 164.684322][ T1407] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 164.684654][ T1407] ? __dev_get_by_name (net/core/dev.c:865) [ 164.684989][ T1407] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.685325][ T1407] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.685662][ T1407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.685999][ T1407] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.686340][ T1407] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 164.686676][ T1407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.687027][ T1407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.687384][ T1407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.687720][ T1407] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.688063][ T1407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.688405][ T1407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.688760][ T1407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.689106][ T1407] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.689441][ T1407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.689783][ T1407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.690127][ T1407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.690492][ T1407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.690839][ T1407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 164.691180][ T1407] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.691519][ T1407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.691866][ T1407] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.692206][ T1407] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.692540][ T1407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.692887][ T1407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.693228][ T1407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.693565][ T1407] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.693921][ T1407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.694351][ T1407] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 164.694688][ T1407] ___sys_sendmsg (net/socket.c:2670) [ 164.695071][ T1407] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.695422][ T1407] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 164.695759][ T1407] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.696102][ T1407] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 164.696440][ T1407] ? __handle_mm_fault (mm/memory.c:6212) [ 164.696777][ T1407] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 164.697113][ T1407] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 164.697461][ T1407] __sys_sendmsg (net/socket.c:2700) [ 164.697807][ T1407] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.698138][ T1407] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 164.698473][ T1407] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 164.698815][ T1407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.699148][ T1407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.699484][ T1407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.699900][ T1407] RIP: 0033:0x7ff4ec5e91e7 [ 164.700244][ T1407] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 164.701400][ T1407] RSP: 002b:00007ffd4fa43058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.701903][ T1407] RAX: ffffffffffffffda RBX: 00007ffd4fa43780 RCX: 00007ff4ec5e91e7 [ 164.702394][ T1407] RDX: 0000000000000000 RSI: 00007ffd4fa430c0 RDI: 0000000000000005 [ 164.702890][ T1407] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 164.703376][ T1407] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd4fa437b8 [ 164.703872][ T1407] R13: 00000000686e4243 R14: 0000000000499600 R15: 0000000000000000 | [ 164.900101][ T1409] ------------[ cut here ]------------ | [ 164.900666][ T1409] WARNING: CPU: 3 PID: 1409 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 164.901781][ T1409] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 164.903800][ T1409] Tainted: [W]=WARN [ 164.904241][ T1409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.904975][ T1409] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 164.905566][ T1409] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 164.907598][ T1409] RSP: 0018:ffffc900010d7080 EFLAGS: 00010246 [ 164.908347][ T1409] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 164.909174][ T1409] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 164.910024][ T1409] RBP: ffffc900010d7168 R08: 0000000000000000 R09: 0000000000000000 [ 164.910893][ T1409] R10: ffffc900010d7198 R11: ffffffffacca8918 R12: 1ffff9200021ae14 [ 164.911745][ T1409] R13: 00000000000005dc R14: ffffc900010d7198 R15: ffff88800a68af08 [ 164.912612][ T1409] FS: 00007f405cbb1800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 164.913643][ T1409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.914382][ T1409] CR2: 00000000004a1738 CR3: 0000000004c24006 CR4: 0000000000772ef0 [ 164.915245][ T1409] PKRU: 55555554 [ 164.915673][ T1409] Call Trace: [ 164.916106][ T1409] [ 164.916400][ T1409] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 164.917060][ T1409] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 164.917618][ T1409] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 164.918357][ T1409] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 164.918942][ T1409] netif_set_mtu (net/core/dev.c:9652) [ 164.919508][ T1409] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 164.920110][ T1409] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 164.920929][ T1409] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 164.921364][ T1409] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 164.922162][ T1409] br_add_if (net/bridge/br_if.c:697) bridge [ 164.922829][ T1409] do_set_master (net/core/rtnetlink.c:2948) [ 164.923400][ T1409] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 164.924000][ T1409] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 164.924586][ T1409] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 164.925159][ T1409] ? __dev_get_by_name (net/core/dev.c:865) [ 164.925720][ T1409] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.926299][ T1409] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 164.926899][ T1409] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 164.927468][ T1409] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.928067][ T1409] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 164.928666][ T1409] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 164.929263][ T1409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.929882][ T1409] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 164.930484][ T1409] ? __lock_release (kernel/locking/lockdep.c:5539) [ 164.930892][ T1409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 164.931263][ T1409] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 164.931625][ T1409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.932002][ T1409] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.932382][ T1409] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 164.932745][ T1409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 164.933119][ T1409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 164.933503][ T1409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 164.933883][ T1409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 164.934251][ T1409] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 164.934618][ T1409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 164.934985][ T1409] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 164.935347][ T1409] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 164.935708][ T1409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 164.936088][ T1409] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 164.936455][ T1409] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 164.936834][ T1409] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 164.937191][ T1409] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 164.937655][ T1409] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 164.938031][ T1409] ___sys_sendmsg (net/socket.c:2670) [ 164.938394][ T1409] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 164.938746][ T1409] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 164.939115][ T1409] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 164.939479][ T1409] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 164.939850][ T1409] ? __handle_mm_fault (mm/memory.c:6212) [ 164.940205][ T1409] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 164.940585][ T1409] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 164.940975][ T1409] __sys_sendmsg (net/socket.c:2700) [ 164.941339][ T1409] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 164.941713][ T1409] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 164.942105][ T1409] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 164.942477][ T1409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 164.942853][ T1409] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 164.943225][ T1409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 164.943699][ T1409] RIP: 0033:0x7f405cd7e1e7 [ 164.944082][ T1409] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 164.945380][ T1409] RSP: 002b:00007ffceb373b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 164.945942][ T1409] RAX: ffffffffffffffda RBX: 00007ffceb3742b0 RCX: 00007f405cd7e1e7 [ 164.946478][ T1409] RDX: 0000000000000000 RSI: 00007ffceb373bf0 RDI: 0000000000000005 [ 164.947033][ T1409] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 164.947568][ T1409] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffceb3742e8 [ 164.948143][ T1409] R13: 00000000686e4243 R14: 0000000000499600 R15: 0000000000000000 | [ 165.096261][ T1411] ------------[ cut here ]------------ | [ 165.096631][ T1411] WARNING: CPU: 3 PID: 1411 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 165.097477][ T1411] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 165.098794][ T1411] Tainted: [W]=WARN [ 165.099069][ T1411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.099523][ T1411] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 165.099907][ T1411] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.101255][ T1411] RSP: 0018:ffffc900010f7080 EFLAGS: 00010246 [ 165.101714][ T1411] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 165.102274][ T1411] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 165.102840][ T1411] RBP: ffffc900010f7168 R08: 0000000000000000 R09: 0000000000000000 [ 165.103407][ T1411] R10: ffffc900010f7198 R11: ffffffffacca8918 R12: 1ffff9200021ee14 [ 165.103974][ T1411] R13: 00000000000005dc R14: ffffc900010f7198 R15: ffff88800a68af08 [ 165.104534][ T1411] FS: 00007f10fdb5d800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 165.105195][ T1411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.105657][ T1411] CR2: 00000000004a1738 CR3: 00000000055d4003 CR4: 0000000000772ef0 [ 165.106228][ T1411] PKRU: 55555554 [ 165.106498][ T1411] Call Trace: [ 165.106768][ T1411] [ 165.106977][ T1411] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.107354][ T1411] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 165.107716][ T1411] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 165.108184][ T1411] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 165.108560][ T1411] netif_set_mtu (net/core/dev.c:9652) [ 165.108927][ T1411] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.109301][ T1411] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 165.109808][ T1411] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.110084][ T1411] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.110589][ T1411] br_add_if (net/bridge/br_if.c:697) bridge [ 165.111009][ T1411] do_set_master (net/core/rtnetlink.c:2948) [ 165.111388][ T1411] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 165.111756][ T1411] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 165.112129][ T1411] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 165.112499][ T1411] ? __dev_get_by_name (net/core/dev.c:865) [ 165.112884][ T1411] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.113245][ T1411] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.113612][ T1411] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.113990][ T1411] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.114369][ T1411] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 165.114739][ T1411] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.115119][ T1411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.115579][ T1411] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.116069][ T1411] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.116499][ T1411] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.116884][ T1411] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.117255][ T1411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.117616][ T1411] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.118001][ T1411] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.118371][ T1411] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.118734][ T1411] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.119131][ T1411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.119504][ T1411] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 165.119877][ T1411] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.120239][ T1411] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.120612][ T1411] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.120987][ T1411] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.121347][ T1411] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.121709][ T1411] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.122100][ T1411] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.122500][ T1411] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.122867][ T1411] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.123328][ T1411] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 165.123702][ T1411] ___sys_sendmsg (net/socket.c:2670) [ 165.124089][ T1411] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.124446][ T1411] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 165.124832][ T1411] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.125187][ T1411] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 165.125547][ T1411] ? __handle_mm_fault (mm/memory.c:6212) [ 165.125912][ T1411] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 165.126265][ T1411] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 165.126635][ T1411] __sys_sendmsg (net/socket.c:2700) [ 165.127007][ T1411] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.127367][ T1411] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 165.127729][ T1411] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 165.128102][ T1411] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.128461][ T1411] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.128833][ T1411] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.129278][ T1411] RIP: 0033:0x7f10fdd2a1e7 [ 165.129645][ T1411] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 165.130931][ T1411] RSP: 002b:00007ffd16318b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.131468][ T1411] RAX: ffffffffffffffda RBX: 00007ffd16319270 RCX: 00007f10fdd2a1e7 [ 165.132006][ T1411] RDX: 0000000000000000 RSI: 00007ffd16318bb0 RDI: 0000000000000005 [ 165.132542][ T1411] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 165.133088][ T1411] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd163192a8 [ 165.133614][ T1411] R13: 00000000686e4243 R14: 0000000000499600 R15: 0000000000000000 | [ 165.295637][ T1413] ------------[ cut here ]------------ | [ 165.296050][ T1413] WARNING: CPU: 0 PID: 1413 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 165.296692][ T1413] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 165.297876][ T1413] Tainted: [W]=WARN [ 165.298123][ T1413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.298558][ T1413] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 165.298910][ T1413] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.300094][ T1413] RSP: 0018:ffffc900010f7080 EFLAGS: 00010246 [ 165.300512][ T1413] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 165.300995][ T1413] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 165.301486][ T1413] RBP: ffffc900010f7168 R08: 0000000000000000 R09: 0000000000000000 [ 165.301973][ T1413] R10: ffffc900010f7198 R11: ffffffffacca8918 R12: 1ffff9200021ee14 [ 165.302475][ T1413] R13: 00000000000005dc R14: ffffc900010f7198 R15: ffff88800a68af08 [ 165.302967][ T1413] FS: 00007fbd5315d800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 165.303529][ T1413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.303939][ T1413] CR2: 00000000004a1738 CR3: 000000000e0f9005 CR4: 0000000000772ef0 [ 165.304445][ T1413] PKRU: 55555554 [ 165.304690][ T1413] Call Trace: [ 165.304937][ T1413] [ 165.305104][ T1413] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.305433][ T1413] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 165.305751][ T1413] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 165.306158][ T1413] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 165.306481][ T1413] netif_set_mtu (net/core/dev.c:9652) [ 165.306817][ T1413] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.307148][ T1413] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 165.307601][ T1413] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.307854][ T1413] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.308316][ T1413] br_add_if (net/bridge/br_if.c:697) bridge [ 165.308685][ T1413] do_set_master (net/core/rtnetlink.c:2948) [ 165.309038][ T1413] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 165.309368][ T1413] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 165.309706][ T1413] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 165.310027][ T1413] ? __dev_get_by_name (net/core/dev.c:865) [ 165.310386][ T1413] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.310722][ T1413] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.311054][ T1413] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.311376][ T1413] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.311710][ T1413] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 165.312047][ T1413] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.312404][ T1413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.312736][ T1413] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.313064][ T1413] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.313389][ T1413] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.313707][ T1413] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.314038][ T1413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.314361][ T1413] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.314679][ T1413] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.315007][ T1413] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.315561][ T1413] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.315894][ T1413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.316211][ T1413] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 165.316690][ T1413] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.317025][ T1413] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.317341][ T1413] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.317909][ T1413] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.318229][ T1413] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.318554][ T1413] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.318887][ T1413] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.319208][ T1413] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.319531][ T1413] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.319941][ T1413] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 165.320285][ T1413] ___sys_sendmsg (net/socket.c:2670) [ 165.320631][ T1413] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.320961][ T1413] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 165.321281][ T1413] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.321598][ T1413] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 165.322409][ T1413] ? __handle_mm_fault (mm/memory.c:6212) [ 165.322731][ T1413] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 165.323073][ T1413] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 165.323414][ T1413] __sys_sendmsg (net/socket.c:2700) [ 165.324216][ T1413] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.324812][ T1413] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 165.325138][ T1413] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 165.325460][ T1413] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.325794][ T1413] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.326340][ T1413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.326984][ T1413] RIP: 0033:0x7fbd5332a1e7 [ 165.327320][ T1413] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 165.328974][ T1413] RSP: 002b:00007ffc5d6f2338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.329701][ T1413] RAX: ffffffffffffffda RBX: 00007ffc5d6f2a60 RCX: 00007fbd5332a1e7 [ 165.330183][ T1413] RDX: 0000000000000000 RSI: 00007ffc5d6f23a0 RDI: 0000000000000005 [ 165.330677][ T1413] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 165.331164][ T1413] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc5d6f2a98 [ 165.331644][ T1413] R13: 00000000686e4244 R14: 0000000000499600 R15: 0000000000000000 | [ 165.502196][ T1416] ------------[ cut here ]------------ | [ 165.502577][ T1416] WARNING: CPU: 2 PID: 1416 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 165.503343][ T1416] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 165.504626][ T1416] Tainted: [W]=WARN [ 165.504927][ T1416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.505358][ T1416] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 165.505732][ T1416] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.506993][ T1416] RSP: 0018:ffffc900010e7080 EFLAGS: 00010246 [ 165.507450][ T1416] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 165.508012][ T1416] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 165.508511][ T1416] RBP: ffffc900010e7168 R08: 0000000000000000 R09: 0000000000000000 [ 165.509014][ T1416] R10: ffffc900010e7198 R11: ffffffffacca8918 R12: 1ffff9200021ce14 [ 165.509512][ T1416] R13: 00000000000005dc R14: ffffc900010e7198 R15: ffff88800a68af08 [ 165.510008][ T1416] FS: 00007fcd041dd800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 165.510580][ T1416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.511009][ T1416] CR2: 00000000004a1738 CR3: 0000000004d41006 CR4: 0000000000772ef0 [ 165.511503][ T1416] PKRU: 55555554 [ 165.511756][ T1416] Call Trace: [ 165.512021][ T1416] [ 165.512215][ T1416] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.512564][ T1416] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 165.512911][ T1416] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 165.513325][ T1416] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 165.513658][ T1416] netif_set_mtu (net/core/dev.c:9652) [ 165.514006][ T1416] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.514353][ T1416] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 165.514820][ T1416] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.515079][ T1416] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.515529][ T1416] br_add_if (net/bridge/br_if.c:697) bridge [ 165.515937][ T1416] do_set_master (net/core/rtnetlink.c:2948) [ 165.516280][ T1416] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 165.516619][ T1416] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 165.516990][ T1416] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 165.517326][ T1416] ? __dev_get_by_name (net/core/dev.c:865) [ 165.517651][ T1416] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.518010][ T1416] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.518356][ T1416] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.518684][ T1416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.519036][ T1416] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 165.519375][ T1416] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.519717][ T1416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.520075][ T1416] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.520491][ T1416] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.520860][ T1416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.521211][ T1416] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.521559][ T1416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.521927][ T1416] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.522296][ T1416] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.522636][ T1416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.522979][ T1416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.523354][ T1416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.523710][ T1416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 165.524071][ T1416] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.524428][ T1416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.524786][ T1416] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.525142][ T1416] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.525492][ T1416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.525852][ T1416] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.526206][ T1416] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.526564][ T1416] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.526952][ T1416] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.527415][ T1416] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 165.527803][ T1416] ___sys_sendmsg (net/socket.c:2670) [ 165.528150][ T1416] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.528594][ T1416] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 165.528980][ T1416] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.529428][ T1416] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 165.529831][ T1416] ? __handle_mm_fault (mm/memory.c:6212) [ 165.530180][ T1416] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 165.530540][ T1416] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 165.530914][ T1416] __sys_sendmsg (net/socket.c:2700) [ 165.531260][ T1416] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.531605][ T1416] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 165.531973][ T1416] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 165.532326][ T1416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.532682][ T1416] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.533044][ T1416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.533477][ T1416] RIP: 0033:0x7fcd043aa1e7 [ 165.533851][ T1416] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 165.535063][ T1416] RSP: 002b:00007fff3ea1bfb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.535601][ T1416] RAX: ffffffffffffffda RBX: 00007fff3ea1c6e0 RCX: 00007fcd043aa1e7 [ 165.536123][ T1416] RDX: 0000000000000000 RSI: 00007fff3ea1c020 RDI: 0000000000000005 [ 165.536645][ T1416] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 165.537181][ T1416] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff3ea1c718 [ 165.537704][ T1416] R13: 00000000686e4244 R14: 0000000000499600 R15: 0000000000000000 | [ 165.713071][ T1417] ------------[ cut here ]------------ | [ 165.713401][ T1417] WARNING: CPU: 3 PID: 1417 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 165.714141][ T1417] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 165.715352][ T1417] Tainted: [W]=WARN [ 165.715604][ T1417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.716030][ T1417] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 165.716357][ T1417] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.717495][ T1417] RSP: 0018:ffffc90001127080 EFLAGS: 00010246 [ 165.717909][ T1417] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 165.718387][ T1417] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 165.718878][ T1417] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000 [ 165.719355][ T1417] R10: ffffc90001127198 R11: ffffffffacca8918 R12: 1ffff92000224e14 [ 165.719844][ T1417] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff88800a68af08 [ 165.720351][ T1417] FS: 00007faa74691800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 165.720944][ T1417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.721357][ T1417] CR2: 00007f61c6c24270 CR3: 0000000004d41005 CR4: 0000000000772ef0 [ 165.721844][ T1417] PKRU: 55555554 [ 165.722085][ T1417] Call Trace: [ 165.722323][ T1417] [ 165.722493][ T1417] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.722826][ T1417] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 165.723147][ T1417] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 165.723551][ T1417] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 165.723883][ T1417] netif_set_mtu (net/core/dev.c:9652) [ 165.724203][ T1417] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.724541][ T1417] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 165.725007][ T1417] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.725271][ T1417] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.725712][ T1417] br_add_if (net/bridge/br_if.c:697) bridge [ 165.726101][ T1417] do_set_master (net/core/rtnetlink.c:2948) [ 165.726441][ T1417] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 165.726785][ T1417] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 165.727125][ T1417] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 165.727454][ T1417] ? __dev_get_by_name (net/core/dev.c:865) [ 165.727801][ T1417] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.728129][ T1417] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.728455][ T1417] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.728786][ T1417] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.729122][ T1417] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 165.729453][ T1417] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.729802][ T1417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.730143][ T1417] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.730491][ T1417] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.730836][ T1417] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.731167][ T1417] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.731487][ T1417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.731832][ T1417] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.732157][ T1417] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.732475][ T1417] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.732803][ T1417] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.733130][ T1417] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.733443][ T1417] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 165.733766][ T1417] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.734095][ T1417] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.734417][ T1417] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.734740][ T1417] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.735079][ T1417] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.735398][ T1417] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.735720][ T1417] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.736049][ T1417] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.736382][ T1417] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.736819][ T1417] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 165.737171][ T1417] ___sys_sendmsg (net/socket.c:2670) [ 165.737500][ T1417] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.737836][ T1417] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 165.738167][ T1417] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.738482][ T1417] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 165.738813][ T1417] ? __handle_mm_fault (mm/memory.c:6212) [ 165.739138][ T1417] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 165.739467][ T1417] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 165.739816][ T1417] __sys_sendmsg (net/socket.c:2700) [ 165.740136][ T1417] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.740497][ T1417] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 165.740869][ T1417] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 165.741190][ T1417] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.741516][ T1417] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.741846][ T1417] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.742259][ T1417] RIP: 0033:0x7faa7485e1e7 [ 165.742583][ T1417] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 165.743747][ T1417] RSP: 002b:00007ffc60bce3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.744256][ T1417] RAX: ffffffffffffffda RBX: 00007ffc60bcead0 RCX: 00007faa7485e1e7 [ 165.744731][ T1417] RDX: 0000000000000000 RSI: 00007ffc60bce410 RDI: 0000000000000005 [ 165.745212][ T1417] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 165.745696][ T1417] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc60bceb08 [ 165.746182][ T1417] R13: 00000000686e4244 R14: 0000000000499600 R15: 0000000000000000 | [ 165.895351][ T1419] ------------[ cut here ]------------ | [ 165.895725][ T1419] WARNING: CPU: 0 PID: 1419 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 165.896601][ T1419] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 165.898284][ T1419] Tainted: [W]=WARN [ 165.898622][ T1419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 165.899090][ T1419] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 165.899506][ T1419] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 165.900739][ T1419] RSP: 0018:ffffc90001127080 EFLAGS: 00010246 [ 165.901276][ T1419] RAX: 0000000000000000 RBX: ffff88800a68a000 RCX: 0000000000000001 [ 165.901931][ T1419] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 165.902623][ T1419] RBP: ffffc90001127168 R08: 0000000000000000 R09: 0000000000000000 [ 165.903231][ T1419] R10: ffffc90001127198 R11: ffffffffacca8918 R12: 1ffff92000224e14 [ 165.903820][ T1419] R13: 00000000000005dc R14: ffffc90001127198 R15: ffff88800a68af08 [ 165.904385][ T1419] FS: 00007eff4475d800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 165.904966][ T1419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.905405][ T1419] CR2: 00000000004a1738 CR3: 000000000a562002 CR4: 0000000000772ef0 [ 165.906006][ T1419] PKRU: 55555554 [ 165.906291][ T1419] Call Trace: [ 165.906644][ T1419] [ 165.906855][ T1419] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 165.907271][ T1419] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 165.907755][ T1419] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 165.908218][ T1419] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 165.908595][ T1419] netif_set_mtu (net/core/dev.c:9652) [ 165.908933][ T1419] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 165.909265][ T1419] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 165.909885][ T1419] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 165.910180][ T1419] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 165.910795][ T1419] br_add_if (net/bridge/br_if.c:697) bridge [ 165.911193][ T1419] do_set_master (net/core/rtnetlink.c:2948) [ 165.911576][ T1419] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [ 165.912027][ T1419] rtnl_newlink_create (net/core/rtnetlink.c:3840) [ 165.912347][ T1419] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [ 165.912678][ T1419] ? __dev_get_by_name (net/core/dev.c:865) [ 165.913012][ T1419] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.913330][ T1419] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [ 165.913667][ T1419] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 165.913995][ T1419] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.914313][ T1419] __rtnl_newlink (net/core/rtnetlink.c:3942) [ 165.914664][ T1419] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 165.915001][ T1419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.915330][ T1419] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 165.915701][ T1419] ? __lock_release (kernel/locking/lockdep.c:5539) [ 165.916034][ T1419] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 165.916353][ T1419] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 165.916685][ T1419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.917026][ T1419] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.917354][ T1419] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 165.917692][ T1419] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 165.918030][ T1419] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 165.918373][ T1419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 165.918733][ T1419] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 165.919094][ T1419] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 165.919413][ T1419] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 165.919740][ T1419] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 165.920077][ T1419] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 165.920420][ T1419] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 165.920757][ T1419] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 165.921098][ T1419] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 165.921417][ T1419] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 165.921742][ T1419] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 165.922155][ T1419] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [ 165.922571][ T1419] ___sys_sendmsg (net/socket.c:2670) [ 165.922939][ T1419] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 165.923260][ T1419] ? __pfx_handle_pte_fault (mm/memory.c:6026) [ 165.923716][ T1419] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [ 165.924059][ T1419] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [ 165.924381][ T1419] ? __handle_mm_fault (mm/memory.c:6212) [ 165.924837][ T1419] ? __pfx___handle_mm_fault (mm/memory.c:6121) [ 165.925189][ T1419] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [ 165.925655][ T1419] __sys_sendmsg (net/socket.c:2700) [ 165.926063][ T1419] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 165.926541][ T1419] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [ 165.926982][ T1419] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [ 165.927366][ T1419] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 165.927748][ T1419] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 165.928101][ T1419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 165.928600][ T1419] RIP: 0033:0x7eff4492a1e7 [ 165.928962][ T1419] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 165.930328][ T1419] RSP: 002b:00007ffe5bb740f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 165.930962][ T1419] RAX: ffffffffffffffda RBX: 00007ffe5bb74820 RCX: 00007eff4492a1e7 [ 165.931481][ T1419] RDX: 0000000000000000 RSI: 00007ffe5bb74160 RDI: 0000000000000005 [ 165.932062][ T1419] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 165.932553][ T1419] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe5bb74858 [ 165.933045][ T1419] R13: 00000000686e4244 R14: 0000000000499600 R15: 0000000000000000 | [ 425.902614][T18027] ------------[ cut here ]------------ | [425.902969][T18027] WARNING: CPU: 3 PID: 18027 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) | [ 425.903619][T18027] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 425.905366][T18027] Tainted: [W]=WARN [ 425.905621][T18027] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [425.906041][T18027] 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) [ 425.906382][T18027] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 425.907562][T18027] RSP: 0018:ffffc90008c07080 EFLAGS: 00010246 [ 425.907988][T18027] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 425.908484][T18027] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 425.908993][T18027] RBP: ffffc90008c07168 R08: 0000000000000000 R09: 0000000000000000 [ 425.909488][T18027] R10: ffffc90008c07198 R11: ffffffffacca8918 R12: 1ffff92001180e14 [ 425.909996][T18027] R13: 00000000000005dc R14: ffffc90008c07198 R15: ffff888010702f08 [ 425.910490][T18027] FS: 00007f35b4475800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 425.911088][T18027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 425.911498][T18027] CR2: 00007f4efcd082a0 CR3: 0000000012b1e005 CR4: 0000000000772ef0 [ 425.912019][T18027] PKRU: 55555554 [ 425.912268][T18027] Call Trace: [ 425.912515][T18027] [425.912689][T18027] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [425.913039][T18027] ? mark_held_locks (kernel/locking/lockdep.c:4328) [425.913376][T18027] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [425.913798][T18027] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [425.914131][T18027] netif_set_mtu (net/core/dev.c:9652) [425.914470][T18027] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [425.914818][T18027] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [425.915281][T18027] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [425.915533][T18027] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [425.915995][T18027] br_add_if (net/bridge/br_if.c:697) bridge [425.916375][T18027] do_set_master (net/core/rtnetlink.c:2948) [425.916708][T18027] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [425.917051][T18027] rtnl_newlink_create (net/core/rtnetlink.c:3840) [425.917389][T18027] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [425.917713][T18027] ? __dev_get_by_name (net/core/dev.c:865) [425.918052][T18027] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [425.918383][T18027] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [425.918720][T18027] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [425.919054][T18027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [425.919391][T18027] __rtnl_newlink (net/core/rtnetlink.c:3942) [425.919733][T18027] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [425.920075][T18027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [425.920417][T18027] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [425.920751][T18027] ? __lock_release (kernel/locking/lockdep.c:5539) [425.921090][T18027] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [425.921419][T18027] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [425.921749][T18027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [425.922093][T18027] ? __lock_acquire (kernel/locking/lockdep.c:5240) [425.922427][T18027] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [425.922758][T18027] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [425.923101][T18027] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [425.923443][T18027] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [425.923779][T18027] ? 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) [425.924114][T18027] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [425.924445][T18027] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [425.924786][T18027] ? __lock_acquire (kernel/locking/lockdep.c:5240) [425.925142][T18027] netlink_sendmsg (net/netlink/af_netlink.c:1896) [425.925484][T18027] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [425.925826][T18027] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [425.926170][T18027] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [425.926502][T18027] ? __pfx_____sys_sendmsg (net/socket.c:2560) [425.926848][T18027] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [425.927262][T18027] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [425.927597][T18027] ___sys_sendmsg (net/socket.c:2670) [425.927937][T18027] ? __pfx____sys_sendmsg (net/socket.c:2657) [425.928265][T18027] ? __pfx_handle_pte_fault (mm/memory.c:6026) [425.928599][T18027] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [425.928942][T18027] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [425.929280][T18027] ? __handle_mm_fault (mm/memory.c:6212) [425.929611][T18027] ? __pfx___handle_mm_fault (mm/memory.c:6121) [425.929946][T18027] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [425.930293][T18027] __sys_sendmsg (net/socket.c:2700) [425.930631][T18027] ? __pfx___sys_sendmsg (net/socket.c:2685) [425.930974][T18027] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [425.931315][T18027] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [425.931650][T18027] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [425.931993][T18027] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [425.932322][T18027] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 425.932731][T18027] RIP: 0033:0x7f35b46421e7 [ 425.933085][T18027] 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) [ 425.934273][T18027] RSP: 002b:00007ffdd811fd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 425.934765][T18027] RAX: ffffffffffffffda RBX: 00007ffdd81204c0 RCX: 00007f35b46421e7 [ 425.935276][T18027] RDX: 0000000000000000 RSI: 00007ffdd811fe00 RDI: 0000000000000005 [ 425.935783][T18027] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 425.936275][T18027] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdd81204f8 [ 425.936765][T18027] R13: 00000000686e4348 R14: 0000000000499600 R15: 0000000000000000 | [ 426.149245][T18028] ------------[ cut here ]------------ | [426.149570][T18028] WARNING: CPU: 0 PID: 18028 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) | [ 426.150529][T18028] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 426.151743][T18028] Tainted: [W]=WARN [ 426.152004][T18028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [426.152416][T18028] 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) [ 426.152756][T18028] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 426.153950][T18028] RSP: 0018:ffffc90009017080 EFLAGS: 00010246 [ 426.154372][T18028] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 426.154874][T18028] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 426.155367][T18028] RBP: ffffc90009017168 R08: 0000000000000000 R09: 0000000000000000 [ 426.155867][T18028] R10: ffffc90009017198 R11: ffffffffacca8918 R12: 1ffff92001202e14 [ 426.156365][T18028] R13: 00000000000005dc R14: ffffc90009017198 R15: ffff888010702f08 [ 426.156867][T18028] FS: 00007f4889132800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 426.157448][T18028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 426.157870][T18028] CR2: 00000000004a1738 CR3: 0000000012b1e003 CR4: 0000000000772ef0 [ 426.158378][T18028] PKRU: 55555554 [ 426.158624][T18028] Call Trace: [ 426.158880][T18028] [426.159059][T18028] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [426.159402][T18028] ? mark_held_locks (kernel/locking/lockdep.c:4328) [426.159739][T18028] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [426.160160][T18028] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [426.160490][T18028] netif_set_mtu (net/core/dev.c:9652) [426.160851][T18028] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [426.161192][T18028] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [426.161660][T18028] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [426.161920][T18028] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [426.162370][T18028] br_add_if (net/bridge/br_if.c:697) bridge [426.162748][T18028] do_set_master (net/core/rtnetlink.c:2948) [426.163091][T18028] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [426.163425][T18028] rtnl_newlink_create (net/core/rtnetlink.c:3840) [426.163760][T18028] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [426.164095][T18028] ? __dev_get_by_name (net/core/dev.c:865) [426.164428][T18028] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [426.164760][T18028] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [426.165108][T18028] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [426.165438][T18028] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [426.165783][T18028] __rtnl_newlink (net/core/rtnetlink.c:3942) [426.166129][T18028] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [426.166468][T18028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [426.166819][T18028] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [426.167152][T18028] ? __lock_release (kernel/locking/lockdep.c:5539) [426.167487][T18028] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [426.167825][T18028] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [426.168156][T18028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [426.168496][T18028] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.168845][T18028] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [426.169176][T18028] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [426.169506][T18028] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [426.169868][T18028] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [426.170200][T18028] ? 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) [426.170534][T18028] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [426.170895][T18028] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [426.171233][T18028] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.171567][T18028] netlink_sendmsg (net/netlink/af_netlink.c:1896) [426.171916][T18028] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [426.172272][T18028] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [426.172867][T18028] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [426.173434][T18028] ? __pfx_____sys_sendmsg (net/socket.c:2560) [426.174023][T18028] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [426.174751][T18028] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [426.175370][T18028] ___sys_sendmsg (net/socket.c:2670) [426.175975][T18028] ? __pfx____sys_sendmsg (net/socket.c:2657) [426.176561][T18028] ? __pfx_handle_pte_fault (mm/memory.c:6026) [426.177164][T18028] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [426.177749][T18028] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [426.178347][T18028] ? __handle_mm_fault (mm/memory.c:6212) [426.178942][T18028] ? __pfx___handle_mm_fault (mm/memory.c:6121) [426.179524][T18028] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [426.180153][T18028] __sys_sendmsg (net/socket.c:2700) [426.180759][T18028] ? __pfx___sys_sendmsg (net/socket.c:2685) [426.181336][T18028] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [426.181728][T18028] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [426.182080][T18028] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [426.182446][T18028] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [426.182796][T18028] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 426.183224][T18028] RIP: 0033:0x7f48892ff1e7 [ 426.183566][T18028] 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) [ 426.185011][T18028] RSP: 002b:00007ffe976ab748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 426.185524][T18028] RAX: ffffffffffffffda RBX: 00007ffe976abe70 RCX: 00007f48892ff1e7 [ 426.186028][T18028] RDX: 0000000000000000 RSI: 00007ffe976ab7b0 RDI: 0000000000000005 [ 426.186569][T18028] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 426.187070][T18028] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe976abea8 [ 426.187828][T18028] R13: 00000000686e4348 R14: 0000000000499600 R15: 0000000000000000 | [ 426.339713][T18031] ------------[ cut here ]------------ | [426.340078][T18031] WARNING: CPU: 2 PID: 18031 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) | [ 426.340781][T18031] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 426.342001][T18031] Tainted: [W]=WARN [ 426.342290][T18031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [426.342715][T18031] 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) [ 426.343075][T18031] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 426.344386][T18031] RSP: 0018:ffffc90009017080 EFLAGS: 00010246 [ 426.344834][T18031] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 426.345349][T18031] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 426.345872][T18031] RBP: ffffc90009017168 R08: 0000000000000000 R09: 0000000000000000 [ 426.346429][T18031] R10: ffffc90009017198 R11: ffffffffacca8918 R12: 1ffff92001202e14 [ 426.346947][T18031] R13: 00000000000005dc R14: ffffc90009017198 R15: ffff888010702f08 [ 426.347465][T18031] FS: 00007fb5690d2800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 426.348076][T18031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 426.348518][T18031] CR2: 00007f6f2e669d84 CR3: 0000000013569004 CR4: 0000000000772ef0 [ 426.349030][T18031] PKRU: 55555554 [ 426.349304][T18031] Call Trace: [ 426.349564][T18031] [426.349748][T18031] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [426.350112][T18031] ? mark_held_locks (kernel/locking/lockdep.c:4328) [426.350497][T18031] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [426.350963][T18031] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [426.351427][T18031] netif_set_mtu (net/core/dev.c:9652) [426.351801][T18031] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [426.352170][T18031] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [426.352674][T18031] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [426.352953][T18031] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [426.353436][T18031] br_add_if (net/bridge/br_if.c:697) bridge [426.353871][T18031] do_set_master (net/core/rtnetlink.c:2948) [426.354243][T18031] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [426.354663][T18031] rtnl_newlink_create (net/core/rtnetlink.c:3840) [426.355058][T18031] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [426.355508][T18031] ? __dev_get_by_name (net/core/dev.c:865) [426.355931][T18031] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [426.356352][T18031] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [426.356791][T18031] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [426.357248][T18031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [426.357696][T18031] __rtnl_newlink (net/core/rtnetlink.c:3942) [426.358128][T18031] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [426.358600][T18031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [426.359000][T18031] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [426.359365][T18031] ? __lock_release (kernel/locking/lockdep.c:5539) [426.359715][T18031] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [426.360063][T18031] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [426.360440][T18031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [426.360818][T18031] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.361180][T18031] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [426.361521][T18031] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [426.361874][T18031] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [426.362296][T18031] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [426.362873][T18031] ? 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) [426.363456][T18031] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [426.364093][T18031] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [426.364698][T18031] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.365329][T18031] netlink_sendmsg (net/netlink/af_netlink.c:1896) [426.365960][T18031] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [426.366536][T18031] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [426.367190][T18031] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [426.367822][T18031] ? __pfx_____sys_sendmsg (net/socket.c:2560) [426.368425][T18031] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [426.369189][T18031] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [426.369820][T18031] ___sys_sendmsg (net/socket.c:2670) [426.370411][T18031] ? __pfx____sys_sendmsg (net/socket.c:2657) [426.371015][T18031] ? __pfx_handle_pte_fault (mm/memory.c:6026) [426.371400][T18031] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [426.371751][T18031] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [426.372115][T18031] ? __handle_mm_fault (mm/memory.c:6212) [426.372485][T18031] ? __pfx___handle_mm_fault (mm/memory.c:6121) [426.372835][T18031] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [426.373209][T18031] __sys_sendmsg (net/socket.c:2700) [426.373578][T18031] ? __pfx___sys_sendmsg (net/socket.c:2685) [426.373928][T18031] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [426.374299][T18031] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [426.374641][T18031] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [426.375015][T18031] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [426.375413][T18031] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 426.375870][T18031] RIP: 0033:0x7fb56929f1e7 [ 426.376253][T18031] 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) [ 426.377453][T18031] RSP: 002b:00007ffdaf611668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 426.377966][T18031] RAX: ffffffffffffffda RBX: 00007ffdaf611d90 RCX: 00007fb56929f1e7 [ 426.378503][T18031] RDX: 0000000000000000 RSI: 00007ffdaf6116d0 RDI: 0000000000000005 [ 426.379033][T18031] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 426.379871][T18031] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdaf611dc8 [ 426.380802][T18031] R13: 00000000686e4349 R14: 0000000000499600 R15: 0000000000000000 | [ 426.546001][T18034] ------------[ cut here ]------------ | [426.546340][T18034] WARNING: CPU: 0 PID: 18034 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) | [ 426.547037][T18034] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 426.548279][T18034] Tainted: [W]=WARN [ 426.548546][T18034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [426.548983][T18034] 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) [ 426.549344][T18034] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 426.550598][T18034] RSP: 0018:ffffc90008637080 EFLAGS: 00010246 [ 426.551055][T18034] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 426.551565][T18034] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 426.552085][T18034] RBP: ffffc90008637168 R08: 0000000000000000 R09: 0000000000000000 [ 426.552609][T18034] R10: ffffc90008637198 R11: ffffffffacca8918 R12: 1ffff920010c6e14 [ 426.553132][T18034] R13: 00000000000005dc R14: ffffc90008637198 R15: ffff888010702f08 [ 426.553640][T18034] FS: 00007fbe2fd97800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 426.554253][T18034] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 426.554670][T18034] CR2: 00007f4efcae57b0 CR3: 000000001288d006 CR4: 0000000000772ef0 [ 426.555189][T18034] PKRU: 55555554 [ 426.555445][T18034] Call Trace: [ 426.555702][T18034] [426.555886][T18034] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [426.556234][T18034] ? mark_held_locks (kernel/locking/lockdep.c:4328) [426.556580][T18034] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [426.557020][T18034] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [426.557362][T18034] netif_set_mtu (net/core/dev.c:9652) [426.557693][T18034] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [426.558056][T18034] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [426.558534][T18034] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [426.558802][T18034] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [426.559266][T18034] br_add_if (net/bridge/br_if.c:697) bridge [426.559659][T18034] do_set_master (net/core/rtnetlink.c:2948) [426.560010][T18034] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [426.560351][T18034] rtnl_newlink_create (net/core/rtnetlink.c:3840) [426.560701][T18034] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [426.561049][T18034] ? __dev_get_by_name (net/core/dev.c:865) [426.561390][T18034] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [426.561726][T18034] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [426.562088][T18034] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [426.562420][T18034] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [426.562763][T18034] __rtnl_newlink (net/core/rtnetlink.c:3942) [426.563121][T18034] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [426.563463][T18034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [426.563823][T18034] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [426.564160][T18034] ? __lock_release (kernel/locking/lockdep.c:5539) [426.564515][T18034] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [426.564871][T18034] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [426.565208][T18034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [426.565554][T18034] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.565906][T18034] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [426.566244][T18034] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [426.566585][T18034] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [426.566951][T18034] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [426.567288][T18034] ? 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) [426.567627][T18034] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [426.567983][T18034] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [426.568322][T18034] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.568664][T18034] netlink_sendmsg (net/netlink/af_netlink.c:1896) [426.569019][T18034] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [426.569368][T18034] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [426.569720][T18034] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [426.570073][T18034] ? __pfx_____sys_sendmsg (net/socket.c:2560) [426.570411][T18034] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [426.570852][T18034] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [426.571197][T18034] ___sys_sendmsg (net/socket.c:2670) [426.571537][T18034] ? __pfx____sys_sendmsg (net/socket.c:2657) [426.571893][T18034] ? __pfx_handle_pte_fault (mm/memory.c:6026) [426.572234][T18034] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [426.572573][T18034] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [426.572939][T18034] ? __handle_mm_fault (mm/memory.c:6212) [426.573274][T18034] ? __pfx___handle_mm_fault (mm/memory.c:6121) [426.573611][T18034] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [426.573984][T18034] __sys_sendmsg (net/socket.c:2700) [426.574329][T18034] ? __pfx___sys_sendmsg (net/socket.c:2685) [426.574667][T18034] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [426.575022][T18034] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [426.575371][T18034] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [426.575713][T18034] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [426.576068][T18034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 426.576488][T18034] RIP: 0033:0x7fbe2ff641e7 [ 426.576869][T18034] 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) [ 426.578075][T18034] RSP: 002b:00007ffca7f561b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 426.578624][T18034] RAX: ffffffffffffffda RBX: 00007ffca7f568e0 RCX: 00007fbe2ff641e7 [ 426.579156][T18034] RDX: 0000000000000000 RSI: 00007ffca7f56220 RDI: 0000000000000005 [ 426.579661][T18034] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 426.580202][T18034] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffca7f56918 [ 426.580717][T18034] R13: 00000000686e4349 R14: 0000000000499600 R15: 0000000000000000 | [ 426.758028][T18036] ------------[ cut here ]------------ | [426.758363][T18036] WARNING: CPU: 1 PID: 18036 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) | [ 426.759196][T18036] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 426.760560][T18036] Tainted: [W]=WARN [ 426.760993][T18036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [426.761437][T18036] 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) [ 426.761979][T18036] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 426.763323][T18036] RSP: 0018:ffffc900090b7080 EFLAGS: 00010246 [ 426.763752][T18036] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 426.764401][T18036] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 426.764950][T18036] RBP: ffffc900090b7168 R08: 0000000000000000 R09: 0000000000000000 [ 426.765477][T18036] R10: ffffc900090b7198 R11: ffffffffacca8918 R12: 1ffff92001216e14 [ 426.765995][T18036] R13: 00000000000005dc R14: ffffc900090b7198 R15: ffff888010702f08 [ 426.766505][T18036] FS: 00007f15139e4800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 426.767102][T18036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 426.767518][T18036] CR2: 00000000004a1738 CR3: 000000000965f005 CR4: 0000000000772ef0 [ 426.768036][T18036] PKRU: 55555554 [ 426.768296][T18036] Call Trace: [ 426.768547][T18036] [426.768724][T18036] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [426.769106][T18036] ? mark_held_locks (kernel/locking/lockdep.c:4328) [426.769443][T18036] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [426.769869][T18036] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [426.770214][T18036] netif_set_mtu (net/core/dev.c:9652) [426.770550][T18036] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [426.770928][T18036] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [426.771400][T18036] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [426.771660][T18036] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [426.772125][T18036] br_add_if (net/bridge/br_if.c:697) bridge [426.772509][T18036] do_set_master (net/core/rtnetlink.c:2948) [426.772861][T18036] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [426.773227][T18036] rtnl_newlink_create (net/core/rtnetlink.c:3840) [426.773564][T18036] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [426.773903][T18036] ? __dev_get_by_name (net/core/dev.c:865) [426.774236][T18036] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [426.774565][T18036] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [426.774909][T18036] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [426.775232][T18036] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [426.775565][T18036] __rtnl_newlink (net/core/rtnetlink.c:3942) [426.775917][T18036] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [426.776257][T18036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [426.776597][T18036] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [426.776931][T18036] ? __lock_release (kernel/locking/lockdep.c:5539) [426.777291][T18036] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [426.777621][T18036] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [426.777963][T18036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [426.778294][T18036] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.778632][T18036] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [426.778970][T18036] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [426.779303][T18036] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [426.779653][T18036] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [426.780005][T18036] ? 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) [426.780334][T18036] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [426.780685][T18036] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [426.781081][T18036] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.781420][T18036] netlink_sendmsg (net/netlink/af_netlink.c:1896) [426.781762][T18036] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [426.782112][T18036] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [426.782455][T18036] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [426.782807][T18036] ? __pfx_____sys_sendmsg (net/socket.c:2560) [426.783139][T18036] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [426.783573][T18036] ___sys_sendmsg (net/socket.c:2670) [426.783916][T18036] ? __pfx____sys_sendmsg (net/socket.c:2657) [426.784242][T18036] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.784567][T18036] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [426.784912][T18036] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [426.785275][T18036] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [426.785614][T18036] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.785965][T18036] ? find_held_lock (kernel/locking/lockdep.c:5353) [426.786298][T18036] __sys_sendmsg (net/socket.c:2700) [426.786626][T18036] ? __pfx___sys_sendmsg (net/socket.c:2685) [426.786973][T18036] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:638 ./include/linux/cpumask.h:1197 ./include/trace/events/preemptirq.h:40) [426.787397][T18036] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [426.787733][T18036] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [426.788080][T18036] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 426.788488][T18036] RIP: 0033:0x7f1513bb11e7 [ 426.788839][T18036] 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) [ 426.790069][T18036] RSP: 002b:00007fff49c26d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 426.790587][T18036] RAX: ffffffffffffffda RBX: 00007fff49c27440 RCX: 00007f1513bb11e7 [ 426.791102][T18036] RDX: 0000000000000000 RSI: 00007fff49c26d80 RDI: 0000000000000005 [ 426.791594][T18036] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 426.792098][T18036] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff49c27478 [ 426.792598][T18036] R13: 00000000686e4349 R14: 0000000000499600 R15: 0000000000000000 | [ 426.958869][T18039] ------------[ cut here ]------------ | [426.959242][T18039] WARNING: CPU: 2 PID: 18039 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) | [ 426.959939][T18039] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 426.961225][T18039] Tainted: [W]=WARN [ 426.961494][T18039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [426.961961][T18039] 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) [ 426.962538][T18039] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 426.964540][T18039] RSP: 0018:ffffc90009017080 EFLAGS: 00010246 [ 426.965315][T18039] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 426.966668][T18039] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 426.967565][T18039] RBP: ffffc90009017168 R08: 0000000000000000 R09: 0000000000000000 [ 426.968475][T18039] R10: ffffc90009017198 R11: ffffffffacca8918 R12: 1ffff92001202e14 [ 426.969378][T18039] R13: 00000000000005dc R14: ffffc90009017198 R15: ffff888010702f08 [ 426.970285][T18039] FS: 00007fa53c067800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 426.971187][T18039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 426.971641][T18039] CR2: 00000000004a1738 CR3: 0000000012fc8003 CR4: 0000000000772ef0 [ 426.972187][T18039] PKRU: 55555554 [ 426.972654][T18039] Call Trace: [ 426.973143][T18039] [426.973423][T18039] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [426.973793][T18039] ? mark_held_locks (kernel/locking/lockdep.c:4328) [426.974154][T18039] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [426.974592][T18039] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [426.974963][T18039] netif_set_mtu (net/core/dev.c:9652) [426.975371][T18039] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [426.975794][T18039] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [426.976365][T18039] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [426.976853][T18039] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [426.977682][T18039] br_add_if (net/bridge/br_if.c:697) bridge [426.978387][T18039] do_set_master (net/core/rtnetlink.c:2948) [426.979005][T18039] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [426.979434][T18039] rtnl_newlink_create (net/core/rtnetlink.c:3840) [426.979801][T18039] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [426.980240][T18039] ? __dev_get_by_name (net/core/dev.c:865) [426.980602][T18039] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [426.980968][T18039] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [426.981422][T18039] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [426.981782][T18039] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [426.982153][T18039] __rtnl_newlink (net/core/rtnetlink.c:3942) [426.982521][T18039] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [426.982886][T18039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [426.983261][T18039] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [426.983610][T18039] ? __lock_release (kernel/locking/lockdep.c:5539) [426.983971][T18039] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [426.984355][T18039] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [426.984711][T18039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [426.985178][T18039] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.985834][T18039] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [426.986247][T18039] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [426.986604][T18039] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [426.986980][T18039] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [426.987344][T18039] ? 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) [426.987695][T18039] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [426.988056][T18039] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [426.988446][T18039] ? __lock_acquire (kernel/locking/lockdep.c:5240) [426.988820][T18039] netlink_sendmsg (net/netlink/af_netlink.c:1896) [426.989204][T18039] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [426.989564][T18039] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [426.989933][T18039] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [426.990300][T18039] ? __pfx_____sys_sendmsg (net/socket.c:2560) [426.990658][T18039] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [426.991100][T18039] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [426.991468][T18039] ___sys_sendmsg (net/socket.c:2670) [426.991829][T18039] ? __pfx____sys_sendmsg (net/socket.c:2657) [426.992187][T18039] ? __pfx_handle_pte_fault (mm/memory.c:6026) [426.992538][T18039] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [426.992962][T18039] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [426.993333][T18039] ? __handle_mm_fault (mm/memory.c:6212) [426.993683][T18039] ? __pfx___handle_mm_fault (mm/memory.c:6121) [426.994053][T18039] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [426.994460][T18039] __sys_sendmsg (net/socket.c:2700) [426.994824][T18039] ? __pfx___sys_sendmsg (net/socket.c:2685) [426.995200][T18039] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [426.995576][T18039] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [426.995936][T18039] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [426.996304][T18039] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [426.996653][T18039] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 426.997093][T18039] RIP: 0033:0x7fa53c2341e7 [ 426.997486][T18039] 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) [ 426.998880][T18039] RSP: 002b:00007ffd0c7fdc88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 426.999445][T18039] RAX: ffffffffffffffda RBX: 00007ffd0c7fe3b0 RCX: 00007fa53c2341e7 [ 427.000067][T18039] RDX: 0000000000000000 RSI: 00007ffd0c7fdcf0 RDI: 0000000000000005 [ 427.000625][T18039] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 427.001164][T18039] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd0c7fe3e8 [ 427.001689][T18039] R13: 00000000686e4349 R14: 0000000000499600 R15: 0000000000000000 | [ 427.180316][T18040] ------------[ cut here ]------------ | [427.180676][T18040] WARNING: CPU: 2 PID: 18040 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) | [ 427.181382][T18040] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 427.182638][T18040] Tainted: [W]=WARN [ 427.183068][T18040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [427.183508][T18040] 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) [ 427.183876][T18040] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 427.185094][T18040] RSP: 0018:ffffc90005f97080 EFLAGS: 00010246 [ 427.185539][T18040] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 427.186060][T18040] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 427.186569][T18040] RBP: ffffc90005f97168 R08: 0000000000000000 R09: 0000000000000000 [ 427.187084][T18040] R10: ffffc90005f97198 R11: ffffffffacca8918 R12: 1ffff92000bf2e14 [ 427.187597][T18040] R13: 00000000000005dc R14: ffffc90005f97198 R15: ffff888010702f08 [ 427.188121][T18040] FS: 00007fb010c90800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 427.188709][T18040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 427.189147][T18040] CR2: 00000000004a1738 CR3: 0000000014961001 CR4: 0000000000772ef0 [ 427.189657][T18040] PKRU: 55555554 [ 427.189926][T18040] Call Trace: [ 427.190190][T18040] [427.190383][T18040] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [427.190806][T18040] ? mark_held_locks (kernel/locking/lockdep.c:4328) [427.191163][T18040] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [427.191598][T18040] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [427.191959][T18040] netif_set_mtu (net/core/dev.c:9652) [427.192308][T18040] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [427.192684][T18040] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [427.193172][T18040] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [427.193442][T18040] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [427.193928][T18040] br_add_if (net/bridge/br_if.c:697) bridge [427.194329][T18040] do_set_master (net/core/rtnetlink.c:2948) [427.194676][T18040] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [427.195041][T18040] rtnl_newlink_create (net/core/rtnetlink.c:3840) [427.195416][T18040] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [427.195765][T18040] ? __dev_get_by_name (net/core/dev.c:865) [427.196133][T18040] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [427.196486][T18040] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [427.196851][T18040] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [427.197199][T18040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [427.197555][T18040] __rtnl_newlink (net/core/rtnetlink.c:3942) [427.197926][T18040] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [427.198281][T18040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [427.198637][T18040] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [427.198992][T18040] ? __lock_release (kernel/locking/lockdep.c:5539) [427.199344][T18040] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [427.199690][T18040] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [427.200048][T18040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [427.200404][T18040] ? __lock_acquire (kernel/locking/lockdep.c:5240) [427.200780][T18040] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [427.201132][T18040] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [427.201485][T18040] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [427.201863][T18040] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [427.202211][T18040] ? 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) [427.202564][T18040] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [427.202932][T18040] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [427.203287][T18040] ? __lock_acquire (kernel/locking/lockdep.c:5240) [427.203633][T18040] netlink_sendmsg (net/netlink/af_netlink.c:1896) [427.203990][T18040] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [427.204341][T18040] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [427.204705][T18040] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [427.205073][T18040] ? __pfx_____sys_sendmsg (net/socket.c:2560) [427.205425][T18040] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [427.205866][T18040] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [427.206224][T18040] ___sys_sendmsg (net/socket.c:2670) [427.206569][T18040] ? __pfx____sys_sendmsg (net/socket.c:2657) [427.206943][T18040] ? __pfx_handle_pte_fault (mm/memory.c:6026) [427.207315][T18040] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [427.207682][T18040] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [427.208054][T18040] ? __handle_mm_fault (mm/memory.c:6212) [427.208409][T18040] ? __pfx___handle_mm_fault (mm/memory.c:6121) [427.208801][T18040] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [427.209188][T18040] __sys_sendmsg (net/socket.c:2700) [427.209561][T18040] ? __pfx___sys_sendmsg (net/socket.c:2685) [427.209936][T18040] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [427.210321][T18040] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [427.210719][T18040] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [427.211115][T18040] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [427.211494][T18040] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 427.211961][T18040] RIP: 0033:0x7fb010e5d1e7 [ 427.212350][T18040] 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) [ 427.213645][T18040] RSP: 002b:00007ffe42334588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 427.214209][T18040] RAX: ffffffffffffffda RBX: 00007ffe42334cb0 RCX: 00007fb010e5d1e7 [ 427.214763][T18040] RDX: 0000000000000000 RSI: 00007ffe423345f0 RDI: 0000000000000005 [ 427.215327][T18040] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 427.215898][T18040] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe42334ce8 [ 427.216460][T18040] R13: 00000000686e4349 R14: 0000000000499600 R15: 0000000000000000 | [ 427.383647][T18042] ------------[ cut here ]------------ | [427.384017][T18042] WARNING: CPU: 3 PID: 18042 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) | [ 427.384708][T18042] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 427.385930][T18042] Tainted: [W]=WARN [ 427.386188][T18042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [427.386597][T18042] 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) [ 427.386970][T18042] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 427.388220][T18042] RSP: 0000:ffffc90008557080 EFLAGS: 00010246 [ 427.388652][T18042] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 427.389154][T18042] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 427.389683][T18042] RBP: ffffc90008557168 R08: 0000000000000000 R09: 0000000000000000 [ 427.390189][T18042] R10: ffffc90008557198 R11: ffffffffacca8918 R12: 1ffff920010aae14 [ 427.390697][T18042] R13: 00000000000005dc R14: ffffc90008557198 R15: ffff888010702f08 [ 427.391203][T18042] FS: 00007f547cd9a800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 427.391807][T18042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 427.392247][T18042] CR2: 00007ff4e31df970 CR3: 0000000014961005 CR4: 0000000000772ef0 [ 427.392746][T18042] PKRU: 55555554 [ 427.393003][T18042] Call Trace: [ 427.393244][T18042] [427.393422][T18042] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [427.393756][T18042] ? mark_held_locks (kernel/locking/lockdep.c:4328) [427.394109][T18042] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [427.394523][T18042] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [427.394872][T18042] netif_set_mtu (net/core/dev.c:9652) [427.395199][T18042] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [427.395550][T18042] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [427.396029][T18042] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [427.396292][T18042] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [427.396751][T18042] br_add_if (net/bridge/br_if.c:697) bridge [427.397160][T18042] do_set_master (net/core/rtnetlink.c:2948) [427.397491][T18042] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [427.397853][T18042] rtnl_newlink_create (net/core/rtnetlink.c:3840) [427.398195][T18042] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [427.398514][T18042] ? __dev_get_by_name (net/core/dev.c:865) [427.398850][T18042] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [427.399188][T18042] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [427.399515][T18042] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [427.399856][T18042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [427.400203][T18042] __rtnl_newlink (net/core/rtnetlink.c:3942) [427.400537][T18042] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [427.400908][T18042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [427.401249][T18042] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [427.401581][T18042] ? __lock_release (kernel/locking/lockdep.c:5539) [427.401934][T18042] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [427.402259][T18042] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [427.402585][T18042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [427.402922][T18042] ? __lock_acquire (kernel/locking/lockdep.c:5240) [427.403487][T18042] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [427.403845][T18042] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [427.404188][T18042] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [427.404518][T18042] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [427.404855][T18042] ? 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) [427.405666][T18042] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [427.406244][T18042] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [427.406578][T18042] ? __lock_acquire (kernel/locking/lockdep.c:5240) [427.406911][T18042] netlink_sendmsg (net/netlink/af_netlink.c:1896) [427.407489][T18042] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [427.407818][T18042] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [427.408158][T18042] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [427.408478][T18042] ? __pfx_____sys_sendmsg (net/socket.c:2560) [427.409032][T18042] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [427.409434][T18042] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [427.409758][T18042] ___sys_sendmsg (net/socket.c:2670) [427.410089][T18042] ? __pfx____sys_sendmsg (net/socket.c:2657) [427.410664][T18042] ? __pfx_handle_pte_fault (mm/memory.c:6026) [427.411025][T18042] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [427.411344][T18042] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [427.411670][T18042] ? __handle_mm_fault (mm/memory.c:6212) [427.412463][T18042] ? __pfx___handle_mm_fault (mm/memory.c:6121) [427.412788][T18042] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [427.413131][T18042] __sys_sendmsg (net/socket.c:2700) [427.413696][T18042] ? __pfx___sys_sendmsg (net/socket.c:2685) [427.414029][T18042] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [427.414364][T18042] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [427.414694][T18042] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [427.415042][T18042] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [427.415371][T18042] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 427.416240][T18042] RIP: 0033:0x7f547cf671e7 [ 427.416573][T18042] 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) [ 427.417756][T18042] RSP: 002b:00007ffdada7b598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 427.418250][T18042] RAX: ffffffffffffffda RBX: 00007ffdada7bcc0 RCX: 00007f547cf671e7 [ 427.418978][T18042] RDX: 0000000000000000 RSI: 00007ffdada7b600 RDI: 0000000000000005 [ 427.419472][T18042] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 427.419977][T18042] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdada7bcf8 [ 427.420482][T18042] R13: 00000000686e434a R14: 0000000000499600 R15: 0000000000000000 | [ 427.613055][T18044] ------------[ cut here ]------------ | [427.613389][T18044] WARNING: CPU: 3 PID: 18044 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 427.614091][T18044] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 427.615284][T18044] Tainted: [W]=WARN [ 427.615554][T18044] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [427.615972][T18044] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 427.616305][T18044] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 427.617493][T18044] RSP: 0018:ffffc90008557080 EFLAGS: 00010246 [ 427.617915][T18044] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 427.618412][T18044] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 427.618918][T18044] RBP: ffffc90008557168 R08: 0000000000000000 R09: 0000000000000000 [ 427.619403][T18044] R10: ffffc90008557198 R11: ffffffffacca8918 R12: 1ffff920010aae14 [ 427.619921][T18044] R13: 00000000000005dc R14: ffffc90008557198 R15: ffff888010702f08 [ 427.620404][T18044] FS: 00007f62c315d800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 427.621011][T18044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 427.621418][T18044] CR2: 00000000004a1738 CR3: 0000000014685004 CR4: 0000000000772ef0 [ 427.621930][T18044] PKRU: 55555554 [ 427.622176][T18044] Call Trace: [ 427.622426][T18044] [427.622607][T18044] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [427.622949][T18044] ? mark_held_locks (kernel/locking/lockdep.c:4328) [427.623279][T18044] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [427.623705][T18044] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [427.624051][T18044] netif_set_mtu (net/core/dev.c:9652) [427.624383][T18044] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [427.624732][T18044] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [427.625206][T18044] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [427.625466][T18044] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [427.625925][T18044] br_add_if (net/bridge/br_if.c:697) bridge [427.626300][T18044] do_set_master (net/core/rtnetlink.c:2948) [427.626824][T18044] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [427.627420][T18044] rtnl_newlink_create (net/core/rtnetlink.c:3840) [427.627766][T18044] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [427.628098][T18044] ? __dev_get_by_name (net/core/dev.c:865) [427.628426][T18044] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [427.628763][T18044] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [427.629106][T18044] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [427.629436][T18044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [427.629786][T18044] __rtnl_newlink (net/core/rtnetlink.c:3942) [427.630122][T18044] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [427.630461][T18044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [427.630826][T18044] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [427.631149][T18044] ? __lock_release (kernel/locking/lockdep.c:5539) [427.631521][T18044] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [427.631869][T18044] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [427.632193][T18044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [427.632525][T18044] ? __lock_acquire (kernel/locking/lockdep.c:5240) [427.632861][T18044] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [427.633185][T18044] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [427.633507][T18044] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [427.633845][T18044] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [427.634166][T18044] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [427.634491][T18044] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [427.634822][T18044] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [427.635148][T18044] ? __lock_acquire (kernel/locking/lockdep.c:5240) [427.635473][T18044] netlink_sendmsg (net/netlink/af_netlink.c:1896) [427.635813][T18044] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [427.636136][T18044] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [427.636465][T18044] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [427.636805][T18044] ? __pfx_____sys_sendmsg (net/socket.c:2560) [427.637124][T18044] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [427.637529][T18044] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [427.637870][T18044] ___sys_sendmsg (net/socket.c:2670) [427.638195][T18044] ? __pfx____sys_sendmsg (net/socket.c:2657) [427.638513][T18044] ? __pfx_handle_pte_fault (mm/memory.c:6026) [427.638854][T18044] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [427.639176][T18044] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [427.639530][T18044] ? __handle_mm_fault (mm/memory.c:6212) [427.639862][T18044] ? __pfx___handle_mm_fault (mm/memory.c:6121) [427.640184][T18044] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [427.640521][T18044] __sys_sendmsg (net/socket.c:2700) [427.640865][T18044] ? __pfx___sys_sendmsg (net/socket.c:2685) [427.641186][T18044] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [427.641519][T18044] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [427.641870][T18044] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [427.642193][T18044] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [427.642516][T18044] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 427.642922][T18044] RIP: 0033:0x7f62c332a1e7 [ 427.643254][T18044] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 427.644407][T18044] RSP: 002b:00007fff8109f6e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 427.644902][T18044] RAX: ffffffffffffffda RBX: 00007fff8109fe10 RCX: 00007f62c332a1e7 [ 427.645378][T18044] RDX: 0000000000000000 RSI: 00007fff8109f750 RDI: 0000000000000005 [ 427.645862][T18044] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 427.646346][T18044] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff8109fe48 [ 427.646833][T18044] R13: 00000000686e434a R14: 0000000000499600 R15: 0000000000000000 | [ 427.847867][T18047] ------------[ cut here ]------------ | [427.848437][T18047] WARNING: CPU: 3 PID: 18047 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 427.849580][T18047] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 427.851671][T18047] Tainted: [W]=WARN [ 427.852130][T18047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [427.852862][T18047] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 427.853477][T18047] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 427.855554][T18047] RSP: 0018:ffffc90008557080 EFLAGS: 00010246 [ 427.856299][T18047] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 427.857178][T18047] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 427.858044][T18047] RBP: ffffc90008557168 R08: 0000000000000000 R09: 0000000000000000 [ 427.858909][T18047] R10: ffffc90008557198 R11: ffffffffacca8918 R12: 1ffff920010aae14 [ 427.859735][T18047] R13: 00000000000005dc R14: ffffc90008557198 R15: ffff888010702f08 [ 427.860580][T18047] FS: 00007f7090c9e800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 427.861557][T18047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 427.862262][T18047] CR2: 00000000004a1738 CR3: 000000001336e001 CR4: 0000000000772ef0 [ 427.863122][T18047] PKRU: 55555554 [ 427.863528][T18047] Call Trace: [ 427.863956][T18047] [427.864249][T18047] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [427.864849][T18047] ? mark_held_locks (kernel/locking/lockdep.c:4328) [427.865420][T18047] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [427.866086][T18047] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [427.866650][T18047] netif_set_mtu (net/core/dev.c:9652) [427.867218][T18047] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [427.867800][T18047] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [427.868548][T18047] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [427.868996][T18047] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [427.869759][T18047] br_add_if (net/bridge/br_if.c:697) bridge [427.870423][T18047] do_set_master (net/core/rtnetlink.c:2948) [427.871018][T18047] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [427.871595][T18047] rtnl_newlink_create (net/core/rtnetlink.c:3840) [427.872187][T18047] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [427.872717][T18047] ? __dev_get_by_name (net/core/dev.c:865) [427.873277][T18047] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [427.873867][T18047] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [427.874421][T18047] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [427.874986][T18047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [427.875555][T18047] __rtnl_newlink (net/core/rtnetlink.c:3942) [427.876142][T18047] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [427.876691][T18047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [427.877292][T18047] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [427.877866][T18047] ? __lock_release (kernel/locking/lockdep.c:5539) [427.878425][T18047] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [427.879012][T18047] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [427.879588][T18047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [427.880167][T18047] ? __lock_acquire (kernel/locking/lockdep.c:5240) [427.880756][T18047] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [427.881341][T18047] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [427.881880][T18047] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [427.882461][T18047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [427.883037][T18047] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [427.883599][T18047] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [427.884182][T18047] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [427.884741][T18047] ? __lock_acquire (kernel/locking/lockdep.c:5240) [427.885328][T18047] netlink_sendmsg (net/netlink/af_netlink.c:1896) [427.885925][T18047] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [427.886493][T18047] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [427.887085][T18047] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [427.887648][T18047] ? __pfx_____sys_sendmsg (net/socket.c:2560) [427.888250][T18047] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [427.888999][T18047] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [427.889584][T18047] ___sys_sendmsg (net/socket.c:2670) [427.890179][T18047] ? __pfx____sys_sendmsg (net/socket.c:2657) [427.890750][T18047] ? __pfx_handle_pte_fault (mm/memory.c:6026) [427.891348][T18047] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [427.891940][T18047] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [427.892522][T18047] ? __handle_mm_fault (mm/memory.c:6212) [427.893114][T18047] ? __pfx___handle_mm_fault (mm/memory.c:6121) [427.893680][T18047] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [427.894304][T18047] __sys_sendmsg (net/socket.c:2700) [427.894901][T18047] ? __pfx___sys_sendmsg (net/socket.c:2685) [427.895482][T18047] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [427.896093][T18047] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [427.896661][T18047] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [427.897268][T18047] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [427.897869][T18047] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 427.898553][T18047] RIP: 0033:0x7f7090e6b1e7 [ 427.899137][T18047] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 427.901202][T18047] RSP: 002b:00007ffdd855d278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 427.902072][T18047] RAX: ffffffffffffffda RBX: 00007ffdd855d9a0 RCX: 00007f7090e6b1e7 [ 427.902919][T18047] RDX: 0000000000000000 RSI: 00007ffdd855d2e0 RDI: 0000000000000005 [ 427.903789][T18047] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 427.904675][T18047] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffdd855d9d8 [ 427.905552][T18047] R13: 00000000686e434a R14: 0000000000499600 R15: 0000000000000000 | [ 428.068963][T18049] ------------[ cut here ]------------ | [428.069329][T18049] WARNING: CPU: 0 PID: 18049 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) | [ 428.070075][T18049] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 428.071426][T18049] Tainted: [W]=WARN [ 428.071705][T18049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [428.072186][T18049] 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) [ 428.072523][T18049] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 428.073713][T18049] RSP: 0018:ffffc90008557080 EFLAGS: 00010246 [ 428.074155][T18049] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 428.074636][T18049] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 428.075181][T18049] RBP: ffffc90008557168 R08: 0000000000000000 R09: 0000000000000000 [ 428.075693][T18049] R10: ffffc90008557198 R11: ffffffffacca8918 R12: 1ffff920010aae14 [ 428.076241][T18049] R13: 00000000000005dc R14: ffffc90008557198 R15: ffff888010702f08 [ 428.076719][T18049] FS: 00007fac089e0800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 428.077313][T18049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 428.077723][T18049] CR2: 00007f4efcd29a00 CR3: 000000001298d006 CR4: 0000000000772ef0 [ 428.078243][T18049] PKRU: 55555554 [ 428.078488][T18049] Call Trace: [ 428.078728][T18049] [428.078904][T18049] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [428.079256][T18049] ? mark_held_locks (kernel/locking/lockdep.c:4328) [428.079588][T18049] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [428.080024][T18049] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [428.080354][T18049] netif_set_mtu (net/core/dev.c:9652) [428.080688][T18049] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [428.081051][T18049] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [428.081510][T18049] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [428.081755][T18049] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [428.082216][T18049] br_add_if (net/bridge/br_if.c:697) bridge [428.082586][T18049] do_set_master (net/core/rtnetlink.c:2948) [428.082926][T18049] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [428.083269][T18049] rtnl_newlink_create (net/core/rtnetlink.c:3840) [428.083594][T18049] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [428.083929][T18049] ? __dev_get_by_name (net/core/dev.c:865) [428.084265][T18049] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [428.084584][T18049] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [428.084932][T18049] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [428.085279][T18049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [428.085608][T18049] __rtnl_newlink (net/core/rtnetlink.c:3942) [428.085951][T18049] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [428.086292][T18049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [428.086629][T18049] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [428.086956][T18049] ? __lock_release (kernel/locking/lockdep.c:5539) [428.087301][T18049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [428.087633][T18049] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [428.087971][T18049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [428.088315][T18049] ? __lock_acquire (kernel/locking/lockdep.c:5240) [428.088643][T18049] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [428.089016][T18049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [428.089434][T18049] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [428.089789][T18049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [428.090290][T18049] ? 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) [428.090735][T18049] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [428.091100][T18049] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [428.091430][T18049] ? __lock_acquire (kernel/locking/lockdep.c:5240) [428.091759][T18049] netlink_sendmsg (net/netlink/af_netlink.c:1896) [428.092150][T18049] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [428.092485][T18049] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [428.092856][T18049] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [428.093227][T18049] ? __pfx_____sys_sendmsg (net/socket.c:2560) [428.093564][T18049] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [428.093988][T18049] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [428.094318][T18049] ___sys_sendmsg (net/socket.c:2670) [428.094649][T18049] ? __pfx____sys_sendmsg (net/socket.c:2657) [428.095000][T18049] ? __pfx_handle_pte_fault (mm/memory.c:6026) [428.095324][T18049] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [428.095647][T18049] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [428.096012][T18049] ? __handle_mm_fault (mm/memory.c:6212) [428.096337][T18049] ? __pfx___handle_mm_fault (mm/memory.c:6121) [428.096655][T18049] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [428.097093][T18049] __sys_sendmsg (net/socket.c:2700) [428.097490][T18049] ? __pfx___sys_sendmsg (net/socket.c:2685) [428.097890][T18049] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [428.098364][T18049] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [428.098691][T18049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [428.099066][T18049] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [428.099450][T18049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 428.099930][T18049] RIP: 0033:0x7fac08bad1e7 [ 428.100365][T18049] 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) [ 428.101877][T18049] RSP: 002b:00007ffe6ae5b0e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 428.102674][T18049] RAX: ffffffffffffffda RBX: 00007ffe6ae5b810 RCX: 00007fac08bad1e7 [ 428.103535][T18049] RDX: 0000000000000000 RSI: 00007ffe6ae5b150 RDI: 0000000000000005 [ 428.104362][T18049] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 428.105191][T18049] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe6ae5b848 [ 428.106052][T18049] R13: 00000000686e434a R14: 0000000000499600 R15: 0000000000000000 | [ 428.274850][T18051] ------------[ cut here ]------------ | [428.275222][T18051] WARNING: CPU: 2 PID: 18051 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) | [ 428.276545][T18051] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 428.277835][T18051] Tainted: [W]=WARN [ 428.278106][T18051] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [428.278554][T18051] 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) [ 428.278936][T18051] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 428.280164][T18051] RSP: 0018:ffffc90003e47080 EFLAGS: 00010246 [ 428.280623][T18051] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 428.281149][T18051] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 428.281658][T18051] RBP: ffffc90003e47168 R08: 0000000000000000 R09: 0000000000000000 [ 428.282175][T18051] R10: ffffc90003e47198 R11: ffffffffacca8918 R12: 1ffff920007c8e14 [ 428.282683][T18051] R13: 00000000000005dc R14: ffffc90003e47198 R15: ffff888010702f08 [ 428.283204][T18051] FS: 00007f5a77a1c800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 428.283816][T18051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 428.284260][T18051] CR2: 00000000004a1738 CR3: 0000000012d33005 CR4: 0000000000772ef0 [ 428.284798][T18051] PKRU: 55555554 [ 428.285070][T18051] Call Trace: [ 428.285335][T18051] [428.285528][T18051] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [428.285894][T18051] ? mark_held_locks (kernel/locking/lockdep.c:4328) [428.286242][T18051] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [428.286675][T18051] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [428.287028][T18051] netif_set_mtu (net/core/dev.c:9652) [428.287382][T18051] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [428.287749][T18051] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [428.288264][T18051] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [428.288539][T18051] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [428.289022][T18051] br_add_if (net/bridge/br_if.c:697) bridge [428.289424][T18051] do_set_master (net/core/rtnetlink.c:2948) [428.289788][T18051] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [428.290146][T18051] rtnl_newlink_create (net/core/rtnetlink.c:3840) [428.290508][T18051] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [428.290880][T18051] ? __dev_get_by_name (net/core/dev.c:865) [428.291229][T18051] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [428.291594][T18051] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [428.291963][T18051] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [428.292309][T18051] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [428.292687][T18051] __rtnl_newlink (net/core/rtnetlink.c:3942) [428.293058][T18051] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [428.293421][T18051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [428.293791][T18051] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [428.294138][T18051] ? __lock_release (kernel/locking/lockdep.c:5539) [428.294490][T18051] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [428.294851][T18051] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [428.295199][T18051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [428.295553][T18051] ? __lock_acquire (kernel/locking/lockdep.c:5240) [428.295918][T18051] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [428.296270][T18051] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [428.296622][T18051] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [428.296993][T18051] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [428.297385][T18051] ? 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) [428.297735][T18051] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [428.298111][T18051] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [428.298483][T18051] ? __lock_acquire (kernel/locking/lockdep.c:5240) [428.298857][T18051] netlink_sendmsg (net/netlink/af_netlink.c:1896) [428.299210][T18051] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [428.299562][T18051] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [428.299929][T18051] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [428.300284][T18051] ? __pfx_____sys_sendmsg (net/socket.c:2560) [428.300637][T18051] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [428.301084][T18051] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [428.301442][T18051] ___sys_sendmsg (net/socket.c:2670) [428.301804][T18051] ? __pfx____sys_sendmsg (net/socket.c:2657) [428.302151][T18051] ? __pfx_handle_pte_fault (mm/memory.c:6026) [428.302506][T18051] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [428.302860][T18051] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [428.303220][T18051] ? __handle_mm_fault (mm/memory.c:6212) [428.303577][T18051] ? __pfx___handle_mm_fault (mm/memory.c:6121) [428.303938][T18051] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [428.304299][T18051] __sys_sendmsg (net/socket.c:2700) [428.304651][T18051] ? __pfx___sys_sendmsg (net/socket.c:2685) [428.305008][T18051] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [428.305367][T18051] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [428.305717][T18051] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [428.306107][T18051] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [428.306457][T18051] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 428.306904][T18051] RIP: 0033:0x7f5a77be91e7 [ 428.307267][T18051] 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) [ 428.308479][T18051] RSP: 002b:00007ffd5aa84b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 428.309008][T18051] RAX: ffffffffffffffda RBX: 00007ffd5aa85290 RCX: 00007f5a77be91e7 [ 428.309529][T18051] RDX: 0000000000000000 RSI: 00007ffd5aa84bd0 RDI: 0000000000000005 [ 428.310050][T18051] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 428.310561][T18051] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd5aa852c8 [ 428.311077][T18051] R13: 00000000686e434b R14: 0000000000499600 R15: 0000000000000000 | [ 428.461944][T18052] ------------[ cut here ]------------ | [428.462274][T18052] WARNING: CPU: 3 PID: 18052 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 428.462987][T18052] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 428.464187][T18052] Tainted: [W]=WARN [ 428.464443][T18052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [428.464867][T18052] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 428.465211][T18052] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 428.466440][T18052] RSP: 0018:ffffc90003e27080 EFLAGS: 00010246 [ 428.466887][T18052] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 428.467411][T18052] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 428.467903][T18052] RBP: ffffc90003e27168 R08: 0000000000000000 R09: 0000000000000000 [ 428.468403][T18052] R10: ffffc90003e27198 R11: ffffffffacca8918 R12: 1ffff920007c4e14 [ 428.468915][T18052] R13: 00000000000005dc R14: ffffc90003e27198 R15: ffff888010702f08 [ 428.469443][T18052] FS: 00007f76962a6800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 428.470058][T18052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 428.470497][T18052] CR2: 00000000004a1738 CR3: 000000000fdef006 CR4: 0000000000772ef0 [ 428.471024][T18052] PKRU: 55555554 [ 428.471282][T18052] Call Trace: [ 428.471541][T18052] [428.471720][T18052] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [428.472084][T18052] ? mark_held_locks (kernel/locking/lockdep.c:4328) [428.472439][T18052] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [428.472886][T18052] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [428.473231][T18052] netif_set_mtu (net/core/dev.c:9652) [428.473558][T18052] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [428.473902][T18052] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [428.474368][T18052] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [428.474624][T18052] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [428.475109][T18052] br_add_if (net/bridge/br_if.c:697) bridge [428.475503][T18052] do_set_master (net/core/rtnetlink.c:2948) [428.475856][T18052] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [428.476215][T18052] rtnl_newlink_create (net/core/rtnetlink.c:3840) [428.476563][T18052] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [428.476911][T18052] ? __dev_get_by_name (net/core/dev.c:865) [428.477246][T18052] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [428.477601][T18052] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [428.477961][T18052] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [428.478306][T18052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [428.478665][T18052] __rtnl_newlink (net/core/rtnetlink.c:3942) [428.479010][T18052] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [428.479375][T18052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [428.479707][T18052] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [428.480039][T18052] ? __lock_release (kernel/locking/lockdep.c:5539) [428.480371][T18052] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [428.480738][T18052] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [428.481077][T18052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [428.481406][T18052] ? __lock_acquire (kernel/locking/lockdep.c:5240) [428.481736][T18052] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [428.482079][T18052] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [428.482422][T18052] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [428.482761][T18052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [428.483093][T18052] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [428.483420][T18052] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [428.483742][T18052] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [428.484070][T18052] ? __lock_acquire (kernel/locking/lockdep.c:5240) [428.484400][T18052] netlink_sendmsg (net/netlink/af_netlink.c:1896) [428.484727][T18052] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [428.485062][T18052] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [428.485394][T18052] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [428.485719][T18052] ? __pfx_____sys_sendmsg (net/socket.c:2560) [428.486045][T18052] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [428.486454][T18052] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [428.486802][T18052] ___sys_sendmsg (net/socket.c:2670) [428.487125][T18052] ? __pfx____sys_sendmsg (net/socket.c:2657) [428.487447][T18052] ? __pfx_handle_pte_fault (mm/memory.c:6026) [428.487778][T18052] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [428.488100][T18052] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [428.488427][T18052] ? __handle_mm_fault (mm/memory.c:6212) [428.488754][T18052] ? __pfx___handle_mm_fault (mm/memory.c:6121) [428.489087][T18052] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [428.489433][T18052] __sys_sendmsg (net/socket.c:2700) [428.489751][T18052] ? __pfx___sys_sendmsg (net/socket.c:2685) [428.490081][T18052] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [428.490415][T18052] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [428.490788][T18052] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [428.491120][T18052] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [428.491462][T18052] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 428.491880][T18052] RIP: 0033:0x7f76964731e7 [ 428.492235][T18052] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 428.493453][T18052] RSP: 002b:00007ffe58346138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 428.493957][T18052] RAX: ffffffffffffffda RBX: 00007ffe58346860 RCX: 00007f76964731e7 [ 428.494462][T18052] RDX: 0000000000000000 RSI: 00007ffe583461a0 RDI: 0000000000000005 [ 428.494990][T18052] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 428.495510][T18052] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe58346898 [ 428.496022][T18052] R13: 00000000686e434b R14: 0000000000499600 R15: 0000000000000000 | [ 428.674944][T18055] ------------[ cut here ]------------ | [428.675303][T18055] WARNING: CPU: 3 PID: 18055 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 428.676010][T18055] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 428.677224][T18055] Tainted: [W]=WARN [ 428.677480][T18055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [428.677898][T18055] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 428.678232][T18055] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 428.679401][T18055] RSP: 0018:ffffc90008637080 EFLAGS: 00010246 [ 428.679822][T18055] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 428.680311][T18055] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 428.680869][T18055] RBP: ffffc90008637168 R08: 0000000000000000 R09: 0000000000000000 [ 428.681352][T18055] R10: ffffc90008637198 R11: ffffffffacca8918 R12: 1ffff920010c6e14 [ 428.681849][T18055] R13: 00000000000005dc R14: ffffc90008637198 R15: ffff888010702f08 [ 428.682341][T18055] FS: 00007fe9a7948800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 428.682924][T18055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 428.683340][T18055] CR2: 00007f4894cef680 CR3: 000000000fdef004 CR4: 0000000000772ef0 [ 428.683842][T18055] PKRU: 55555554 [ 428.684090][T18055] Call Trace: [ 428.684344][T18055] [428.684513][T18055] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [428.684854][T18055] ? mark_held_locks (kernel/locking/lockdep.c:4328) [428.685188][T18055] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [428.685594][T18055] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [428.685929][T18055] netif_set_mtu (net/core/dev.c:9652) [428.686267][T18055] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [428.686602][T18055] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [428.687072][T18055] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [428.687316][T18055] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [428.687755][T18055] br_add_if (net/bridge/br_if.c:697) bridge [428.688131][T18055] do_set_master (net/core/rtnetlink.c:2948) [428.688460][T18055] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [428.688792][T18055] rtnl_newlink_create (net/core/rtnetlink.c:3840) [428.689123][T18055] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [428.689449][T18055] ? __dev_get_by_name (net/core/dev.c:865) [428.689789][T18055] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [428.690111][T18055] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [428.690457][T18055] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [428.690838][T18055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [428.691171][T18055] __rtnl_newlink (net/core/rtnetlink.c:3942) [428.691516][T18055] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [428.691864][T18055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [428.692224][T18055] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [428.692555][T18055] ? __lock_release (kernel/locking/lockdep.c:5539) [428.692885][T18055] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [428.693220][T18055] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [428.693563][T18055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [428.693902][T18055] ? __lock_acquire (kernel/locking/lockdep.c:5240) [428.694239][T18055] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [428.694570][T18055] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [428.694913][T18055] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [428.695272][T18055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [428.695607][T18055] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [428.695950][T18055] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [428.696370][T18055] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [428.696924][T18055] ? __lock_acquire (kernel/locking/lockdep.c:5240) [428.697473][T18055] netlink_sendmsg (net/netlink/af_netlink.c:1896) [428.698091][T18055] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [428.698677][T18055] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [428.699296][T18055] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [428.699910][T18055] ? __pfx_____sys_sendmsg (net/socket.c:2560) [428.700481][T18055] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [428.701232][T18055] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [428.701853][T18055] ___sys_sendmsg (net/socket.c:2670) [428.702448][T18055] ? __pfx____sys_sendmsg (net/socket.c:2657) [428.703064][T18055] ? __pfx_handle_pte_fault (mm/memory.c:6026) [428.703661][T18055] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [428.704235][T18055] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [428.704733][T18055] ? __handle_mm_fault (mm/memory.c:6212) [428.705103][T18055] ? __pfx___handle_mm_fault (mm/memory.c:6121) [428.705653][T18055] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [428.706297][T18055] __sys_sendmsg (net/socket.c:2700) [428.706805][T18055] ? __pfx___sys_sendmsg (net/socket.c:2685) [428.707126][T18055] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [428.707479][T18055] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [428.707822][T18055] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [428.708164][T18055] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [428.708516][T18055] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 428.709191][T18055] RIP: 0033:0x7fe9a7b151e7 [ 428.709816][T18055] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 428.712883][T18055] RSP: 002b:00007ffeb0af5398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 428.713785][T18055] RAX: ffffffffffffffda RBX: 00007ffeb0af5ac0 RCX: 00007fe9a7b151e7 [ 428.714393][T18055] RDX: 0000000000000000 RSI: 00007ffeb0af5400 RDI: 0000000000000005 [ 428.715277][T18055] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 428.715779][T18055] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeb0af5af8 [ 428.716289][T18055] R13: 00000000686e434b R14: 0000000000499600 R15: 0000000000000000 | [ 428.909489][T18057] ------------[ cut here ]------------ | [428.909863][T18057] WARNING: CPU: 3 PID: 18057 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 428.910509][T18057] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 428.911731][T18057] Tainted: [W]=WARN [ 428.911989][T18057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [428.912392][T18057] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 428.912725][T18057] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 428.914054][T18057] RSP: 0018:ffffc90008ff7080 EFLAGS: 00010246 [ 428.914456][T18057] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 428.915092][T18057] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 428.915585][T18057] RBP: ffffc90008ff7168 R08: 0000000000000000 R09: 0000000000000000 [ 428.916222][T18057] R10: ffffc90008ff7198 R11: ffffffffacca8918 R12: 1ffff920011fee14 [ 428.916714][T18057] R13: 00000000000005dc R14: ffffc90008ff7198 R15: ffff888010702f08 [ 428.917355][T18057] FS: 00007f81cc792800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 428.917983][T18057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 428.918394][T18057] CR2: 00007f81ccaf1480 CR3: 0000000004ec2001 CR4: 0000000000772ef0 [ 428.918900][T18057] PKRU: 55555554 [ 428.919142][T18057] Call Trace: [ 428.919383][T18057] [428.919550][T18057] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [428.919885][T18057] ? mark_held_locks (kernel/locking/lockdep.c:4328) [428.920217][T18057] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [428.920631][T18057] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [428.920963][T18057] netif_set_mtu (net/core/dev.c:9652) [428.921289][T18057] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [428.921681][T18057] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [428.922177][T18057] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [428.922439][T18057] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [428.922912][T18057] br_add_if (net/bridge/br_if.c:697) bridge [428.923295][T18057] do_set_master (net/core/rtnetlink.c:2948) [428.923638][T18057] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [428.923987][T18057] rtnl_newlink_create (net/core/rtnetlink.c:3840) [428.924321][T18057] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [428.924647][T18057] ? __dev_get_by_name (net/core/dev.c:865) [428.924991][T18057] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [428.925327][T18057] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [428.925653][T18057] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [428.925979][T18057] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [428.926317][T18057] __rtnl_newlink (net/core/rtnetlink.c:3942) [428.926694][T18057] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [428.927060][T18057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [428.927431][T18057] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [428.927764][T18057] ? __lock_release (kernel/locking/lockdep.c:5539) [428.928113][T18057] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [428.928477][T18057] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [428.928816][T18057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [428.929140][T18057] ? __lock_acquire (kernel/locking/lockdep.c:5240) [428.929478][T18057] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [428.929847][T18057] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [428.930172][T18057] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [428.930507][T18057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [428.930858][T18057] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [428.931179][T18057] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [428.931530][T18057] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [428.931867][T18057] ? __lock_acquire (kernel/locking/lockdep.c:5240) [428.932188][T18057] netlink_sendmsg (net/netlink/af_netlink.c:1896) [428.932509][T18057] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [428.932861][T18057] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [428.933190][T18057] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [428.933512][T18057] ? __pfx_____sys_sendmsg (net/socket.c:2560) [428.933839][T18057] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [428.934266][T18057] ___sys_sendmsg (net/socket.c:2670) [428.934589][T18057] ? __pfx____sys_sendmsg (net/socket.c:2657) [428.934924][T18057] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [428.935252][T18057] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [428.935569][T18057] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [428.935921][T18057] ? __lock_acquire (kernel/locking/lockdep.c:5240) [428.936262][T18057] ? find_held_lock (kernel/locking/lockdep.c:5353) [428.936596][T18057] __sys_sendmsg (net/socket.c:2700) [428.937001][T18057] ? __pfx___sys_sendmsg (net/socket.c:2685) [428.937380][T18057] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [428.937735][T18057] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [428.938078][T18057] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 428.938483][T18057] RIP: 0033:0x7f81cc95f1e7 [ 428.938830][T18057] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 428.940002][T18057] RSP: 002b:00007ffc19fbe7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 428.940506][T18057] RAX: ffffffffffffffda RBX: 00007ffc19fbef00 RCX: 00007f81cc95f1e7 [ 428.941017][T18057] RDX: 0000000000000000 RSI: 00007ffc19fbe840 RDI: 0000000000000005 [ 428.941499][T18057] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 428.942028][T18057] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc19fbef38 [ 428.942505][T18057] R13: 00000000686e434b R14: 0000000000499600 R15: 0000000000000000 | [ 429.091220][T18059] ------------[ cut here ]------------ | [429.091535][T18059] WARNING: CPU: 3 PID: 18059 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) | [ 429.092235][T18059] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 429.093454][T18059] Tainted: [W]=WARN [ 429.093705][T18059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [429.094131][T18059] 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) [ 429.094476][T18059] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 429.095691][T18059] RSP: 0018:ffffc90008637080 EFLAGS: 00010246 [ 429.096129][T18059] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 429.096634][T18059] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 429.097147][T18059] RBP: ffffc90008637168 R08: 0000000000000000 R09: 0000000000000000 [ 429.097646][T18059] R10: ffffc90008637198 R11: ffffffffacca8918 R12: 1ffff920010c6e14 [ 429.098160][T18059] R13: 00000000000005dc R14: ffffc90008637198 R15: ffff888010702f08 [ 429.098659][T18059] FS: 00007f84431a5800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 429.099248][T18059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 429.099667][T18059] CR2: 00000000004a1738 CR3: 0000000010928004 CR4: 0000000000772ef0 [ 429.100175][T18059] PKRU: 55555554 [ 429.100425][T18059] Call Trace: [ 429.100697][T18059] [429.100880][T18059] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [429.101227][T18059] ? mark_held_locks (kernel/locking/lockdep.c:4328) [429.101571][T18059] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [429.102001][T18059] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [429.102346][T18059] netif_set_mtu (net/core/dev.c:9652) [429.102683][T18059] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [429.103038][T18059] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [429.103517][T18059] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [429.103790][T18059] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [429.104247][T18059] br_add_if (net/bridge/br_if.c:697) bridge [429.104630][T18059] do_set_master (net/core/rtnetlink.c:2948) [429.104977][T18059] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [429.105334][T18059] rtnl_newlink_create (net/core/rtnetlink.c:3840) [429.105672][T18059] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [429.106016][T18059] ? __dev_get_by_name (net/core/dev.c:865) [429.106352][T18059] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [429.106683][T18059] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [429.107030][T18059] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [429.107366][T18059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [429.107717][T18059] __rtnl_newlink (net/core/rtnetlink.c:3942) [429.108070][T18059] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [429.108406][T18059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [429.108755][T18059] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [429.109095][T18059] ? __lock_release (kernel/locking/lockdep.c:5539) [429.109430][T18059] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [429.109762][T18059] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [429.110110][T18059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [429.110445][T18059] ? __lock_acquire (kernel/locking/lockdep.c:5240) [429.110826][T18059] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [429.111167][T18059] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [429.111497][T18059] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [429.111857][T18059] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [429.112197][T18059] ? 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) [429.112545][T18059] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [429.112897][T18059] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [429.113250][T18059] ? __lock_acquire (kernel/locking/lockdep.c:5240) [429.113589][T18059] netlink_sendmsg (net/netlink/af_netlink.c:1896) [429.113931][T18059] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [429.114262][T18059] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [429.114602][T18059] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [429.114951][T18059] ? __pfx_____sys_sendmsg (net/socket.c:2560) [429.115283][T18059] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [429.115711][T18059] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [429.116062][T18059] ___sys_sendmsg (net/socket.c:2670) [429.116393][T18059] ? __pfx____sys_sendmsg (net/socket.c:2657) [429.116725][T18059] ? __pfx_handle_pte_fault (mm/memory.c:6026) [429.117080][T18059] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [429.117410][T18059] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [429.117748][T18059] ? __handle_mm_fault (mm/memory.c:6212) [429.118099][T18059] ? __pfx___handle_mm_fault (mm/memory.c:6121) [429.118430][T18059] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [429.118788][T18059] __sys_sendmsg (net/socket.c:2700) [429.119121][T18059] ? __pfx___sys_sendmsg (net/socket.c:2685) [429.119452][T18059] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [429.119800][T18059] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [429.120138][T18059] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [429.120482][T18059] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [429.120871][T18059] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 429.121294][T18059] RIP: 0033:0x7f84433721e7 [ 429.121636][T18059] 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) [ 429.122836][T18059] RSP: 002b:00007ffc4297d3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 429.123340][T18059] RAX: ffffffffffffffda RBX: 00007ffc4297db00 RCX: 00007f84433721e7 [ 429.123849][T18059] RDX: 0000000000000000 RSI: 00007ffc4297d440 RDI: 0000000000000005 [ 429.124345][T18059] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 429.124867][T18059] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc4297db38 [ 429.125365][T18059] R13: 00000000686e434b R14: 0000000000499600 R15: 0000000000000000 | [ 429.278904][T18060] ------------[ cut here ]------------ | [429.279262][T18060] WARNING: CPU: 1 PID: 18060 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 429.279982][T18060] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 429.281289][T18060] Tainted: [W]=WARN [ 429.281555][T18060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [429.282019][T18060] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 429.282382][T18060] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 429.283811][T18060] RSP: 0018:ffffc90008ff7080 EFLAGS: 00010246 [ 429.284255][T18060] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 429.284929][T18060] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 429.285457][T18060] RBP: ffffc90008ff7168 R08: 0000000000000000 R09: 0000000000000000 [ 429.286132][T18060] R10: ffffc90008ff7198 R11: ffffffffacca8918 R12: 1ffff920011fee14 [ 429.286667][T18060] R13: 00000000000005dc R14: ffffc90008ff7198 R15: ffff888010702f08 [ 429.287199][T18060] FS: 00007f3ef692a800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 429.287783][T18060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 429.288194][T18060] CR2: 00007f3ef6b3e5c0 CR3: 0000000008ccf001 CR4: 0000000000772ef0 [ 429.288686][T18060] PKRU: 55555554 [ 429.288969][T18060] Call Trace: [ 429.289217][T18060] [429.289387][T18060] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [429.289732][T18060] ? mark_held_locks (kernel/locking/lockdep.c:4328) [429.290088][T18060] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [429.290495][T18060] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [429.290866][T18060] netif_set_mtu (net/core/dev.c:9652) [429.291213][T18060] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [429.291561][T18060] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [429.292056][T18060] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [429.292314][T18060] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [429.292791][T18060] br_add_if (net/bridge/br_if.c:697) bridge [429.293180][T18060] do_set_master (net/core/rtnetlink.c:2948) [429.293531][T18060] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [429.293895][T18060] rtnl_newlink_create (net/core/rtnetlink.c:3840) [429.294231][T18060] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [429.294570][T18060] ? __dev_get_by_name (net/core/dev.c:865) [429.294932][T18060] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [429.295264][T18060] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [429.295605][T18060] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [429.295966][T18060] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [429.296306][T18060] __rtnl_newlink (net/core/rtnetlink.c:3942) [429.296656][T18060] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [429.297011][T18060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [429.297360][T18060] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [429.297697][T18060] ? __lock_release (kernel/locking/lockdep.c:5539) [429.298062][T18060] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [429.298410][T18060] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [429.298756][T18060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [429.299122][T18060] ? __lock_acquire (kernel/locking/lockdep.c:5240) [429.299463][T18060] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [429.299824][T18060] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [429.300157][T18060] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [429.300553][T18060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [429.300912][T18060] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [429.301248][T18060] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [429.301589][T18060] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [429.301944][T18060] ? __lock_acquire (kernel/locking/lockdep.c:5240) [429.302284][T18060] netlink_sendmsg (net/netlink/af_netlink.c:1896) [429.302625][T18060] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [429.302985][T18060] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [429.303343][T18060] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [429.303702][T18060] ? __pfx_____sys_sendmsg (net/socket.c:2560) [429.304086][T18060] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [429.304541][T18060] ___sys_sendmsg (net/socket.c:2670) [429.304895][T18060] ? __pfx____sys_sendmsg (net/socket.c:2657) [429.305268][T18060] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [429.305622][T18060] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [429.305998][T18060] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [429.306346][T18060] ? __lock_acquire (kernel/locking/lockdep.c:5240) [429.306714][T18060] ? find_held_lock (kernel/locking/lockdep.c:5353) [429.307082][T18060] __sys_sendmsg (net/socket.c:2700) [429.307435][T18060] ? __pfx___sys_sendmsg (net/socket.c:2685) [429.307831][T18060] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [429.308201][T18060] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [429.308556][T18060] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 429.308998][T18060] RIP: 0033:0x7f3ef6af71e7 [ 429.309373][T18060] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 429.310666][T18060] RSP: 002b:00007ffe06cb0038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 429.311247][T18060] RAX: ffffffffffffffda RBX: 00007ffe06cb0760 RCX: 00007f3ef6af71e7 [ 429.311805][T18060] RDX: 0000000000000000 RSI: 00007ffe06cb00a0 RDI: 0000000000000005 [ 429.312335][T18060] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 429.312857][T18060] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe06cb0798 [ 429.313394][T18060] R13: 00000000686e434c R14: 0000000000499600 R15: 0000000000000000 | [ 429.491943][T18062] ------------[ cut here ]------------ | [429.492287][T18062] WARNING: CPU: 3 PID: 18062 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 429.493049][T18062] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 429.494287][T18062] Tainted: [W]=WARN [ 429.494543][T18062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [429.494983][T18062] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 429.495368][T18062] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 429.496569][T18062] RSP: 0018:ffffc90008637080 EFLAGS: 00010246 [ 429.496993][T18062] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 429.497506][T18062] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 429.498019][T18062] RBP: ffffc90008637168 R08: 0000000000000000 R09: 0000000000000000 [ 429.498502][T18062] R10: ffffc90008637198 R11: ffffffffacca8918 R12: 1ffff920010c6e14 [ 429.498998][T18062] R13: 00000000000005dc R14: ffffc90008637198 R15: ffff888010702f08 [ 429.499482][T18062] FS: 00007f1a70d3d800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 429.500044][T18062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 429.500449][T18062] CR2: 00000000004a1738 CR3: 000000000af44005 CR4: 0000000000772ef0 [ 429.500999][T18062] PKRU: 55555554 [ 429.501247][T18062] Call Trace: [ 429.501500][T18062] [429.501675][T18062] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [429.502188][T18062] ? mark_held_locks (kernel/locking/lockdep.c:4328) [429.502527][T18062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [429.502962][T18062] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [429.503296][T18062] netif_set_mtu (net/core/dev.c:9652) [429.503633][T18062] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [429.504028][T18062] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [429.504502][T18062] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [429.504759][T18062] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [429.505221][T18062] br_add_if (net/bridge/br_if.c:697) bridge [429.505604][T18062] do_set_master (net/core/rtnetlink.c:2948) [429.505944][T18062] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [429.506280][T18062] rtnl_newlink_create (net/core/rtnetlink.c:3840) [429.506616][T18062] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [429.506967][T18062] ? __dev_get_by_name (net/core/dev.c:865) [429.507300][T18062] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [429.507635][T18062] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [429.507983][T18062] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [429.508312][T18062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [429.508651][T18062] __rtnl_newlink (net/core/rtnetlink.c:3942) [429.509004][T18062] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [429.509342][T18062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [429.509692][T18062] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [429.510037][T18062] ? __lock_release (kernel/locking/lockdep.c:5539) [429.510376][T18062] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [429.510759][T18062] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [429.511109][T18062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [429.511447][T18062] ? __lock_acquire (kernel/locking/lockdep.c:5240) [429.511793][T18062] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [429.512125][T18062] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [429.512456][T18062] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [429.512806][T18062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [429.513130][T18062] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [429.513463][T18062] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [429.513813][T18062] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [429.514151][T18062] ? __lock_acquire (kernel/locking/lockdep.c:5240) [429.514497][T18062] netlink_sendmsg (net/netlink/af_netlink.c:1896) [429.514841][T18062] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [429.515175][T18062] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [429.515514][T18062] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [429.515855][T18062] ? __pfx_____sys_sendmsg (net/socket.c:2560) [429.516177][T18062] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [429.516601][T18062] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [429.516950][T18062] ___sys_sendmsg (net/socket.c:2670) [429.517285][T18062] ? __pfx____sys_sendmsg (net/socket.c:2657) [429.517616][T18062] ? __pfx_handle_pte_fault (mm/memory.c:6026) [429.517961][T18062] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [429.518289][T18062] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [429.518623][T18062] ? __handle_mm_fault (mm/memory.c:6212) [429.518959][T18062] ? __pfx___handle_mm_fault (mm/memory.c:6121) [429.519289][T18062] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [429.519635][T18062] __sys_sendmsg (net/socket.c:2700) [429.519976][T18062] ? __pfx___sys_sendmsg (net/socket.c:2685) [429.520305][T18062] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [429.520685][T18062] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [429.521044][T18062] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [429.521380][T18062] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [429.521714][T18062] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 429.522135][T18062] RIP: 0033:0x7f1a70f0a1e7 [ 429.522477][T18062] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 429.523705][T18062] RSP: 002b:00007ffe0eb0e7a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 429.524222][T18062] RAX: ffffffffffffffda RBX: 00007ffe0eb0eed0 RCX: 00007f1a70f0a1e7 [ 429.524720][T18062] RDX: 0000000000000000 RSI: 00007ffe0eb0e810 RDI: 0000000000000005 [ 429.525224][T18062] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 429.525724][T18062] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe0eb0ef08 [ 429.526233][T18062] R13: 00000000686e434c R14: 0000000000499600 R15: 0000000000000000 | [ 429.703080][T18064] ------------[ cut here ]------------ | [429.703403][T18064] WARNING: CPU: 0 PID: 18064 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) | [ 429.704629][T18064] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 429.705956][T18064] Tainted: [W]=WARN [ 429.706232][T18064] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [429.706701][T18064] 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) [ 429.707102][T18064] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 429.708392][T18064] RSP: 0000:ffffc90003e27080 EFLAGS: 00010246 [ 429.708861][T18064] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 429.709419][T18064] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 429.709965][T18064] RBP: ffffc90003e27168 R08: 0000000000000000 R09: 0000000000000000 [ 429.710522][T18064] R10: ffffc90003e27198 R11: ffffffffacca8918 R12: 1ffff920007c4e14 [ 429.711082][T18064] R13: 00000000000005dc R14: ffffc90003e27198 R15: ffff888010702f08 [ 429.711634][T18064] FS: 00007fb164282800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 429.712307][T18064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 429.712765][T18064] CR2: 00007f4efce46c10 CR3: 0000000013568001 CR4: 0000000000772ef0 [ 429.713336][T18064] PKRU: 55555554 [ 429.713608][T18064] Call Trace: [ 429.713887][T18064] [429.714074][T18064] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [429.714451][T18064] ? mark_held_locks (kernel/locking/lockdep.c:4328) [429.714822][T18064] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [429.715276][T18064] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [429.715637][T18064] netif_set_mtu (net/core/dev.c:9652) [429.716008][T18064] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [429.716379][T18064] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [429.716915][T18064] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [429.717192][T18064] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [429.717693][T18064] br_add_if (net/bridge/br_if.c:697) bridge [429.718119][T18064] do_set_master (net/core/rtnetlink.c:2948) [429.718490][T18064] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [429.718862][T18064] rtnl_newlink_create (net/core/rtnetlink.c:3840) [429.719228][T18064] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [429.719592][T18064] ? __dev_get_by_name (net/core/dev.c:865) [429.719972][T18064] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [429.720352][T18064] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [429.720736][T18064] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [429.721119][T18064] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [429.721489][T18064] __rtnl_newlink (net/core/rtnetlink.c:3942) [429.721872][T18064] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [429.722249][T18064] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [429.722625][T18064] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [429.723009][T18064] ? __lock_release (kernel/locking/lockdep.c:5539) [429.723375][T18064] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [429.723734][T18064] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [429.724104][T18064] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [429.724478][T18064] ? __lock_acquire (kernel/locking/lockdep.c:5240) [429.724858][T18064] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [429.725234][T18064] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [429.725613][T18064] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [429.726001][T18064] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [429.726371][T18064] ? 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) [429.726743][T18064] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [429.727127][T18064] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [429.727500][T18064] ? __lock_acquire (kernel/locking/lockdep.c:5240) [429.727881][T18064] netlink_sendmsg (net/netlink/af_netlink.c:1896) [429.728247][T18064] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [429.728622][T18064] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [429.729010][T18064] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [429.729389][T18064] ? __pfx_____sys_sendmsg (net/socket.c:2560) [429.729758][T18064] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [429.730229][T18064] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [429.730605][T18064] ___sys_sendmsg (net/socket.c:2670) [429.731000][T18064] ? __pfx____sys_sendmsg (net/socket.c:2657) [429.731375][T18064] ? __pfx_handle_pte_fault (mm/memory.c:6026) [429.731760][T18064] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [429.732142][T18064] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [429.732530][T18064] ? __handle_mm_fault (mm/memory.c:6212) [429.733083][T18064] ? __pfx___handle_mm_fault (mm/memory.c:6121) [429.733469][T18064] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [429.734003][T18064] __sys_sendmsg (net/socket.c:2700) [429.734382][T18064] ? __pfx___sys_sendmsg (net/socket.c:2685) [429.734753][T18064] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [429.735321][T18064] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [429.735694][T18064] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [429.736087][T18064] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [429.736454][T18064] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 429.736922][T18064] RIP: 0033:0x7fb16444f1e7 [ 429.737310][T18064] 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) [ 429.738665][T18064] RSP: 002b:00007fff78f022d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 429.739247][T18064] RAX: ffffffffffffffda RBX: 00007fff78f02a00 RCX: 00007fb16444f1e7 [ 429.739829][T18064] RDX: 0000000000000000 RSI: 00007fff78f02340 RDI: 0000000000000005 [ 429.740401][T18064] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 429.740962][T18064] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff78f02a38 [ 429.741519][T18064] R13: 00000000686e434c R14: 0000000000499600 R15: 0000000000000000 | [ 429.913184][T18066] ------------[ cut here ]------------ | [429.913564][T18066] WARNING: CPU: 1 PID: 18066 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 429.914316][T18066] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 429.915549][T18066] Tainted: [W]=WARN [ 429.915997][T18066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [429.916410][T18066] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 429.916747][T18066] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 429.918142][T18066] RSP: 0018:ffffc90003e07080 EFLAGS: 00010246 [ 429.918558][T18066] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 429.919205][T18066] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 429.919697][T18066] RBP: ffffc90003e07168 R08: 0000000000000000 R09: 0000000000000000 [ 429.920280][T18066] R10: ffffc90003e07198 R11: ffffffffacca8918 R12: 1ffff920007c0e14 [ 429.920787][T18066] R13: 00000000000005dc R14: ffffc90003e07198 R15: ffff888010702f08 [ 429.921277][T18066] FS: 00007fea397f0800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 429.921841][T18066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 429.922240][T18066] CR2: 00000000004a1738 CR3: 0000000013568001 CR4: 0000000000772ef0 [ 429.922727][T18066] PKRU: 55555554 [ 429.923067][T18066] Call Trace: [ 429.923321][T18066] [429.923489][T18066] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [429.923864][T18066] ? mark_held_locks (kernel/locking/lockdep.c:4328) [429.924195][T18066] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [429.924596][T18066] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [429.924930][T18066] netif_set_mtu (net/core/dev.c:9652) [429.925247][T18066] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [429.925574][T18066] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [429.926039][T18066] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [429.926287][T18066] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [429.926717][T18066] br_add_if (net/bridge/br_if.c:697) bridge [429.927112][T18066] do_set_master (net/core/rtnetlink.c:2948) [429.927432][T18066] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [429.927750][T18066] rtnl_newlink_create (net/core/rtnetlink.c:3840) [429.928081][T18066] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [429.928400][T18066] ? __dev_get_by_name (net/core/dev.c:865) [429.928716][T18066] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [429.929042][T18066] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [429.929364][T18066] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [429.929677][T18066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [429.930009][T18066] __rtnl_newlink (net/core/rtnetlink.c:3942) [429.930336][T18066] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [429.930672][T18066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [429.931019][T18066] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [429.931332][T18066] ? __lock_release (kernel/locking/lockdep.c:5539) [429.931649][T18066] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [429.931977][T18066] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [429.932294][T18066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [429.932613][T18066] ? __lock_acquire (kernel/locking/lockdep.c:5240) [429.932945][T18066] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [429.933267][T18066] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [429.933581][T18066] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [429.933920][T18066] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [429.934231][T18066] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [429.934548][T18066] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [429.934891][T18066] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [429.935206][T18066] ? __lock_acquire (kernel/locking/lockdep.c:5240) [429.935538][T18066] netlink_sendmsg (net/netlink/af_netlink.c:1896) [429.935884][T18066] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [429.936221][T18066] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [429.936560][T18066] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [429.936903][T18066] ? __pfx_____sys_sendmsg (net/socket.c:2560) [429.937218][T18066] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [429.937613][T18066] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [429.937954][T18066] ___sys_sendmsg (net/socket.c:2670) [429.938276][T18066] ? __pfx____sys_sendmsg (net/socket.c:2657) [429.938598][T18066] ? __pfx_handle_pte_fault (mm/memory.c:6026) [429.938936][T18066] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [429.939250][T18066] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [429.939573][T18066] ? __handle_mm_fault (mm/memory.c:6212) [429.939902][T18066] ? __pfx___handle_mm_fault (mm/memory.c:6121) [429.940220][T18066] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [429.940560][T18066] __sys_sendmsg (net/socket.c:2700) [429.940898][T18066] ? __pfx___sys_sendmsg (net/socket.c:2685) [429.941212][T18066] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [429.941537][T18066] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [429.941866][T18066] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [429.942187][T18066] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [429.942508][T18066] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 429.942913][T18066] RIP: 0033:0x7fea399bd1e7 [ 429.943238][T18066] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 429.944396][T18066] RSP: 002b:00007ffec4027e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 429.944898][T18066] RAX: ffffffffffffffda RBX: 00007ffec40285b0 RCX: 00007fea399bd1e7 [ 429.945375][T18066] RDX: 0000000000000000 RSI: 00007ffec4027ef0 RDI: 0000000000000005 [ 429.945860][T18066] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 429.946339][T18066] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffec40285e8 [ 429.946824][T18066] R13: 00000000686e434c R14: 0000000000499600 R15: 0000000000000000 | [ 430.108428][T18069] ------------[ cut here ]------------ | [430.108837][T18069] WARNING: CPU: 2 PID: 18069 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) | [ 430.109486][T18069] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 430.110673][T18069] Tainted: [W]=WARN [ 430.110941][T18069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [430.111354][T18069] 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) [ 430.111696][T18069] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 430.112849][T18069] RSP: 0018:ffffc90003e27080 EFLAGS: 00010246 [ 430.113266][T18069] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 430.113757][T18069] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 430.114255][T18069] RBP: ffffc90003e27168 R08: 0000000000000000 R09: 0000000000000000 [ 430.114764][T18069] R10: ffffc90003e27198 R11: ffffffffacca8918 R12: 1ffff920007c4e14 [ 430.115268][T18069] R13: 00000000000005dc R14: ffffc90003e27198 R15: ffff888010702f08 [ 430.115754][T18069] FS: 00007f852682b800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 430.116341][T18069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.116754][T18069] CR2: 00000000004a1738 CR3: 0000000004daf001 CR4: 0000000000772ef0 [ 430.117269][T18069] PKRU: 55555554 [ 430.117524][T18069] Call Trace: [ 430.117784][T18069] [430.117966][T18069] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [430.118311][T18069] ? mark_held_locks (kernel/locking/lockdep.c:4328) [430.118646][T18069] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [430.119069][T18069] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [430.119402][T18069] netif_set_mtu (net/core/dev.c:9652) [430.119735][T18069] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [430.120083][T18069] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [430.120555][T18069] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [430.120842][T18069] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [430.121303][T18069] br_add_if (net/bridge/br_if.c:697) bridge [430.121695][T18069] do_set_master (net/core/rtnetlink.c:2948) [430.122045][T18069] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [430.122380][T18069] rtnl_newlink_create (net/core/rtnetlink.c:3840) [430.122723][T18069] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [430.123059][T18069] ? __dev_get_by_name (net/core/dev.c:865) [430.123388][T18069] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [430.123729][T18069] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [430.124082][T18069] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [430.124414][T18069] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [430.124776][T18069] __rtnl_newlink (net/core/rtnetlink.c:3942) [430.125129][T18069] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [430.125503][T18069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [430.125859][T18069] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [430.126193][T18069] ? __lock_release (kernel/locking/lockdep.c:5539) [430.126530][T18069] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [430.126870][T18069] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [430.127204][T18069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [430.127547][T18069] ? __lock_acquire (kernel/locking/lockdep.c:5240) [430.127893][T18069] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [430.128230][T18069] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [430.128569][T18069] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [430.128922][T18069] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [430.129299][T18069] ? 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) [430.129647][T18069] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [430.129996][T18069] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [430.130329][T18069] ? __lock_acquire (kernel/locking/lockdep.c:5240) [430.130676][T18069] netlink_sendmsg (net/netlink/af_netlink.c:1896) [430.131033][T18069] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [430.131396][T18069] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [430.131782][T18069] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [430.132155][T18069] ? __pfx_____sys_sendmsg (net/socket.c:2560) [430.132523][T18069] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [430.132991][T18069] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [430.133365][T18069] ___sys_sendmsg (net/socket.c:2670) [430.133727][T18069] ? __pfx____sys_sendmsg (net/socket.c:2657) [430.134097][T18069] ? __pfx_handle_pte_fault (mm/memory.c:6026) [430.134451][T18069] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [430.134800][T18069] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [430.135147][T18069] ? __handle_mm_fault (mm/memory.c:6212) [430.135506][T18069] ? __pfx___handle_mm_fault (mm/memory.c:6121) [430.135867][T18069] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [430.136232][T18069] __sys_sendmsg (net/socket.c:2700) [430.136609][T18069] ? __pfx___sys_sendmsg (net/socket.c:2685) [430.136984][T18069] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [430.137351][T18069] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [430.137704][T18069] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [430.138050][T18069] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [430.138391][T18069] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 430.138810][T18069] RIP: 0033:0x7f85269f81e7 [ 430.139159][T18069] 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) [ 430.140345][T18069] RSP: 002b:00007ffe07501618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 430.140873][T18069] RAX: ffffffffffffffda RBX: 00007ffe07501d40 RCX: 00007f85269f81e7 [ 430.141372][T18069] RDX: 0000000000000000 RSI: 00007ffe07501680 RDI: 0000000000000005 [ 430.141882][T18069] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 430.142374][T18069] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe07501d78 [ 430.142874][T18069] R13: 00000000686e434c R14: 0000000000499600 R15: 0000000000000000 | [ 430.337579][T18070] ------------[ cut here ]------------ | [430.338022][T18070] WARNING: CPU: 1 PID: 18070 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 430.338734][T18070] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 430.340094][T18070] Tainted: [W]=WARN [ 430.340362][T18070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [430.340969][T18070] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 430.341334][T18070] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 430.342936][T18070] RSP: 0018:ffffc90003e27080 EFLAGS: 00010246 [ 430.343384][T18070] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 430.344080][T18070] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 430.344589][T18070] RBP: ffffc90003e27168 R08: 0000000000000000 R09: 0000000000000000 [ 430.345190][T18070] R10: ffffc90003e27198 R11: ffffffffacca8918 R12: 1ffff920007c4e14 [ 430.345686][T18070] R13: 00000000000005dc R14: ffffc90003e27198 R15: ffff888010702f08 [ 430.346193][T18070] FS: 00007f27aa334800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 430.346806][T18070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.347221][T18070] CR2: 00000000004a1738 CR3: 00000000102f8003 CR4: 0000000000772ef0 [ 430.347718][T18070] PKRU: 55555554 [ 430.347974][T18070] Call Trace: [ 430.348232][T18070] [430.348412][T18070] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [430.348781][T18070] ? mark_held_locks (kernel/locking/lockdep.c:4328) [430.349139][T18070] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [430.349578][T18070] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [430.349938][T18070] netif_set_mtu (net/core/dev.c:9652) [430.350271][T18070] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [430.350631][T18070] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [430.351133][T18070] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [430.351399][T18070] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [430.351892][T18070] br_add_if (net/bridge/br_if.c:697) bridge [430.352289][T18070] do_set_master (net/core/rtnetlink.c:2948) [430.352646][T18070] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [430.353007][T18070] rtnl_newlink_create (net/core/rtnetlink.c:3840) [430.353357][T18070] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [430.353693][T18070] ? __dev_get_by_name (net/core/dev.c:865) [430.354044][T18070] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [430.354399][T18070] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [430.354759][T18070] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [430.355112][T18070] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [430.355463][T18070] __rtnl_newlink (net/core/rtnetlink.c:3942) [430.355817][T18070] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [430.356160][T18070] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [430.356509][T18070] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [430.356863][T18070] ? __lock_release (kernel/locking/lockdep.c:5539) [430.357233][T18070] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [430.357585][T18070] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [430.357953][T18070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [430.358324][T18070] ? __lock_acquire (kernel/locking/lockdep.c:5240) [430.358676][T18070] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [430.359038][T18070] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [430.359385][T18070] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [430.359740][T18070] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [430.360093][T18070] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [430.360445][T18070] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [430.360827][T18070] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [430.361161][T18070] ? __lock_acquire (kernel/locking/lockdep.c:5240) [430.361502][T18070] netlink_sendmsg (net/netlink/af_netlink.c:1896) [430.361877][T18070] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [430.362244][T18070] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [430.362609][T18070] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [430.362983][T18070] ? __pfx_____sys_sendmsg (net/socket.c:2560) [430.363327][T18070] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [430.363756][T18070] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [430.364103][T18070] ___sys_sendmsg (net/socket.c:2670) [430.364432][T18070] ? __pfx____sys_sendmsg (net/socket.c:2657) [430.364755][T18070] ? __pfx_handle_pte_fault (mm/memory.c:6026) [430.365095][T18070] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [430.365421][T18070] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [430.365762][T18070] ? __handle_mm_fault (mm/memory.c:6212) [430.366109][T18070] ? __pfx___handle_mm_fault (mm/memory.c:6121) [430.366436][T18070] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [430.366806][T18070] __sys_sendmsg (net/socket.c:2700) [430.367133][T18070] ? __pfx___sys_sendmsg (net/socket.c:2685) [430.367460][T18070] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [430.367807][T18070] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [430.368141][T18070] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [430.368475][T18070] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [430.368811][T18070] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 430.369216][T18070] RIP: 0033:0x7f27aa5011e7 [ 430.369573][T18070] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 430.370803][T18070] RSP: 002b:00007ffe78eef3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 430.371299][T18070] RAX: ffffffffffffffda RBX: 00007ffe78eefb10 RCX: 00007f27aa5011e7 [ 430.371803][T18070] RDX: 0000000000000000 RSI: 00007ffe78eef450 RDI: 0000000000000005 [ 430.372305][T18070] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 430.372802][T18070] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe78eefb48 [ 430.373291][T18070] R13: 00000000686e434d R14: 0000000000499600 R15: 0000000000000000 | [ 430.537625][T18073] ------------[ cut here ]------------ | [430.538084][T18073] WARNING: CPU: 2 PID: 18073 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) | [ 430.538749][T18073] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 430.539962][T18073] Tainted: [W]=WARN [ 430.540226][T18073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [430.540665][T18073] 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) [ 430.541037][T18073] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 430.542219][T18073] RSP: 0018:ffffc90008527080 EFLAGS: 00010246 [ 430.542651][T18073] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 430.543162][T18073] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 430.543667][T18073] RBP: ffffc90008527168 R08: 0000000000000000 R09: 0000000000000000 [ 430.544176][T18073] R10: ffffc90008527198 R11: ffffffffacca8918 R12: 1ffff920010a4e14 [ 430.544674][T18073] R13: 00000000000005dc R14: ffffc90008527198 R15: ffff888010702f08 [ 430.545186][T18073] FS: 00007f396b852800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 430.545776][T18073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.546196][T18073] CR2: 00007f396bbb1480 CR3: 0000000014213003 CR4: 0000000000772ef0 [ 430.546699][T18073] PKRU: 55555554 [ 430.546962][T18073] Call Trace: [ 430.547212][T18073] [430.547392][T18073] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [430.547725][T18073] ? mark_held_locks (kernel/locking/lockdep.c:4328) [430.548070][T18073] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [430.548494][T18073] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [430.548839][T18073] netif_set_mtu (net/core/dev.c:9652) [430.549181][T18073] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [430.549532][T18073] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [430.550009][T18073] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [430.550271][T18073] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [430.550740][T18073] br_add_if (net/bridge/br_if.c:697) bridge [430.551129][T18073] do_set_master (net/core/rtnetlink.c:2948) [430.551476][T18073] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [430.551823][T18073] rtnl_newlink_create (net/core/rtnetlink.c:3840) [430.552160][T18073] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [430.552497][T18073] ? __dev_get_by_name (net/core/dev.c:865) [430.552849][T18073] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [430.553182][T18073] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [430.553524][T18073] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [430.553868][T18073] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [430.554210][T18073] __rtnl_newlink (net/core/rtnetlink.c:3942) [430.554556][T18073] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [430.554911][T18073] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [430.555259][T18073] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [430.555589][T18073] ? __lock_release (kernel/locking/lockdep.c:5539) [430.555950][T18073] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [430.556292][T18073] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [430.556628][T18073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [430.556971][T18073] ? __lock_acquire (kernel/locking/lockdep.c:5240) [430.557312][T18073] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [430.557650][T18073] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [430.558007][T18073] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [430.558368][T18073] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [430.558722][T18073] ? 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) [430.559087][T18073] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [430.559435][T18073] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [430.559810][T18073] ? __lock_acquire (kernel/locking/lockdep.c:5240) [430.560166][T18073] netlink_sendmsg (net/netlink/af_netlink.c:1896) [430.560523][T18073] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [430.560892][T18073] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [430.561247][T18073] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [430.561590][T18073] ? __pfx_____sys_sendmsg (net/socket.c:2560) [430.561938][T18073] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [430.562383][T18073] ___sys_sendmsg (net/socket.c:2670) [430.562742][T18073] ? __pfx____sys_sendmsg (net/socket.c:2657) [430.563112][T18073] ? __pfx_handle_pte_fault (mm/memory.c:6026) [430.563459][T18073] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [430.563797][T18073] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [430.564134][T18073] ? __handle_mm_fault (mm/memory.c:6212) [430.564458][T18073] ? __pfx___handle_mm_fault (mm/memory.c:6121) [430.564832][T18073] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [430.565183][T18073] __sys_sendmsg (net/socket.c:2700) [430.565519][T18073] ? __pfx___sys_sendmsg (net/socket.c:2685) [430.565863][T18073] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [430.566202][T18073] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [430.566538][T18073] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [430.566879][T18073] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [430.567214][T18073] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 430.567628][T18073] RIP: 0033:0x7f396ba1f1e7 [ 430.567975][T18073] 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) [ 430.569131][T18073] RSP: 002b:00007ffda089ae08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 430.569644][T18073] RAX: ffffffffffffffda RBX: 00007ffda089b530 RCX: 00007f396ba1f1e7 [ 430.570141][T18073] RDX: 0000000000000000 RSI: 00007ffda089ae70 RDI: 0000000000000005 [ 430.570643][T18073] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 430.571140][T18073] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffda089b568 [ 430.571631][T18073] R13: 00000000686e434d R14: 0000000000499600 R15: 0000000000000000 | [ 430.726169][T18074] ------------[ cut here ]------------ | [430.726492][T18074] WARNING: CPU: 0 PID: 18074 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 430.727200][T18074] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 430.728362][T18074] Tainted: [W]=WARN [ 430.728610][T18074] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [430.729019][T18074] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 430.729350][T18074] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 430.730498][T18074] RSP: 0018:ffffc90003e47080 EFLAGS: 00010246 [ 430.730932][T18074] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 430.731409][T18074] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 430.731894][T18074] RBP: ffffc90003e47168 R08: 0000000000000000 R09: 0000000000000000 [ 430.732372][T18074] R10: ffffc90003e47198 R11: ffffffffacca8918 R12: 1ffff920007c8e14 [ 430.732850][T18074] R13: 00000000000005dc R14: ffffc90003e47198 R15: ffff888010702f08 [ 430.733325][T18074] FS: 00007f747a724800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 430.733883][T18074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.734282][T18074] CR2: 00000000004a1738 CR3: 0000000014213005 CR4: 0000000000772ef0 [ 430.734755][T18074] PKRU: 55555554 [ 430.735000][T18074] Call Trace: [ 430.735240][T18074] [430.735404][T18074] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [430.735729][T18074] ? mark_held_locks (kernel/locking/lockdep.c:4328) [430.736065][T18074] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [430.736462][T18074] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [430.736795][T18074] netif_set_mtu (net/core/dev.c:9652) [430.737120][T18074] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [430.737449][T18074] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [430.737903][T18074] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [430.738146][T18074] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [430.738585][T18074] br_add_if (net/bridge/br_if.c:697) bridge [430.738957][T18074] do_set_master (net/core/rtnetlink.c:2948) [430.739276][T18074] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [430.739595][T18074] rtnl_newlink_create (net/core/rtnetlink.c:3840) [430.739923][T18074] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [430.740239][T18074] ? __dev_get_by_name (net/core/dev.c:865) [430.740560][T18074] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [430.740899][T18074] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [430.741221][T18074] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [430.741533][T18074] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [430.741861][T18074] __rtnl_newlink (net/core/rtnetlink.c:3942) [430.742189][T18074] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [430.742506][T18074] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [430.742839][T18074] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [430.743153][T18074] ? __lock_release (kernel/locking/lockdep.c:5539) [430.743469][T18074] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [430.743793][T18074] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [430.744109][T18074] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [430.744429][T18074] ? __lock_acquire (kernel/locking/lockdep.c:5240) [430.744749][T18074] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [430.745072][T18074] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [430.745392][T18074] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [430.745722][T18074] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [430.746046][T18074] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [430.746364][T18074] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [430.746683][T18074] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [430.747008][T18074] ? __lock_acquire (kernel/locking/lockdep.c:5240) [430.747327][T18074] netlink_sendmsg (net/netlink/af_netlink.c:1896) [430.747650][T18074] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [430.747977][T18074] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [430.748300][T18074] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [430.748652][T18074] ? __pfx_____sys_sendmsg (net/socket.c:2560) [430.748981][T18074] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [430.749377][T18074] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [430.749708][T18074] ___sys_sendmsg (net/socket.c:2670) [430.750046][T18074] ? __pfx____sys_sendmsg (net/socket.c:2657) [430.750363][T18074] ? __pfx_handle_pte_fault (mm/memory.c:6026) [430.750692][T18074] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [430.751014][T18074] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [430.751337][T18074] ? __handle_mm_fault (mm/memory.c:6212) [430.751651][T18074] ? __pfx___handle_mm_fault (mm/memory.c:6121) [430.751977][T18074] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [430.752310][T18074] __sys_sendmsg (net/socket.c:2700) [430.752628][T18074] ? __pfx___sys_sendmsg (net/socket.c:2685) [430.752962][T18074] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [430.753292][T18074] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [430.753611][T18074] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [430.753943][T18074] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [430.754260][T18074] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 430.754649][T18074] RIP: 0033:0x7f747a8f11e7 [ 430.754981][T18074] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 430.756120][T18074] RSP: 002b:00007fff92171828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 430.756604][T18074] RAX: ffffffffffffffda RBX: 00007fff92171f50 RCX: 00007f747a8f11e7 [ 430.757094][T18074] RDX: 0000000000000000 RSI: 00007fff92171890 RDI: 0000000000000005 [ 430.757574][T18074] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 430.758085][T18074] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff92171f88 [ 430.758570][T18074] R13: 00000000686e434d R14: 0000000000499600 R15: 0000000000000000 | [ 430.909570][T18076] ------------[ cut here ]------------ | [430.910009][T18076] WARNING: CPU: 0 PID: 18076 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 430.910662][T18076] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 430.911839][T18076] Tainted: [W]=WARN [ 430.912079][T18076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [430.912478][T18076] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 430.912816][T18076] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 430.913977][T18076] RSP: 0018:ffffc90003e47080 EFLAGS: 00010246 [ 430.914380][T18076] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 430.914871][T18076] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 430.915343][T18076] RBP: ffffc90003e47168 R08: 0000000000000000 R09: 0000000000000000 [ 430.915831][T18076] R10: ffffc90003e47198 R11: ffffffffacca8918 R12: 1ffff920007c8e14 [ 430.916311][T18076] R13: 00000000000005dc R14: ffffc90003e47198 R15: ffff888010702f08 [ 430.916808][T18076] FS: 00007f1313404800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 430.917364][T18076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.917765][T18076] CR2: 00007f4efce18840 CR3: 0000000014213002 CR4: 0000000000772ef0 [ 430.918262][T18076] PKRU: 55555554 [ 430.918511][T18076] Call Trace: [ 430.918753][T18076] [430.918934][T18076] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [430.919264][T18076] ? mark_held_locks (kernel/locking/lockdep.c:4328) [430.919596][T18076] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [430.920028][T18076] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [430.920369][T18076] netif_set_mtu (net/core/dev.c:9652) [430.920716][T18076] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [430.921072][T18076] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [430.921560][T18076] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [430.921835][T18076] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [430.922303][T18076] br_add_if (net/bridge/br_if.c:697) bridge [430.922691][T18076] do_set_master (net/core/rtnetlink.c:2948) [430.923039][T18076] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [430.923381][T18076] rtnl_newlink_create (net/core/rtnetlink.c:3840) [430.923721][T18076] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [430.924064][T18076] ? __dev_get_by_name (net/core/dev.c:865) [430.924399][T18076] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [430.924735][T18076] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [430.925090][T18076] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [430.925431][T18076] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [430.925782][T18076] __rtnl_newlink (net/core/rtnetlink.c:3942) [430.926135][T18076] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [430.926472][T18076] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [430.926833][T18076] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [430.927170][T18076] ? __lock_release (kernel/locking/lockdep.c:5539) [430.927519][T18076] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [430.927870][T18076] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [430.928216][T18076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [430.928565][T18076] ? __lock_acquire (kernel/locking/lockdep.c:5240) [430.928919][T18076] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [430.929263][T18076] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [430.929600][T18076] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [430.929959][T18076] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [430.930294][T18076] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [430.930642][T18076] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [430.930998][T18076] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [430.931335][T18076] ? __lock_acquire (kernel/locking/lockdep.c:5240) [430.931674][T18076] netlink_sendmsg (net/netlink/af_netlink.c:1896) [430.932039][T18076] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [430.932358][T18076] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [430.932683][T18076] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [430.933018][T18076] ? __pfx_____sys_sendmsg (net/socket.c:2560) [430.933343][T18076] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [430.933749][T18076] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [430.934082][T18076] ___sys_sendmsg (net/socket.c:2670) [430.934405][T18076] ? __pfx____sys_sendmsg (net/socket.c:2657) [430.934723][T18076] ? __pfx_handle_pte_fault (mm/memory.c:6026) [430.935054][T18076] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [430.935374][T18076] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [430.935703][T18076] ? __handle_mm_fault (mm/memory.c:6212) [430.936030][T18076] ? __pfx___handle_mm_fault (mm/memory.c:6121) [430.936346][T18076] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [430.936682][T18076] __sys_sendmsg (net/socket.c:2700) [430.937007][T18076] ? __pfx___sys_sendmsg (net/socket.c:2685) [430.937328][T18076] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [430.937653][T18076] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [430.937991][T18076] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [430.938320][T18076] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [430.938649][T18076] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 430.939061][T18076] RIP: 0033:0x7f13135d11e7 [ 430.939392][T18076] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 430.940538][T18076] RSP: 002b:00007ffcc3137718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 430.941068][T18076] RAX: ffffffffffffffda RBX: 00007ffcc3137e40 RCX: 00007f13135d11e7 [ 430.941548][T18076] RDX: 0000000000000000 RSI: 00007ffcc3137780 RDI: 0000000000000005 [ 430.942042][T18076] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 430.942532][T18076] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcc3137e78 [ 430.943026][T18076] R13: 00000000686e434d R14: 0000000000499600 R15: 0000000000000000 | [ 431.083864][T18078] ------------[ cut here ]------------ | [431.084212][T18078] WARNING: CPU: 2 PID: 18078 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) | [ 431.085599][T18078] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 431.086824][T18078] Tainted: [W]=WARN [ 431.087081][T18078] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [431.087496][T18078] 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) [ 431.087853][T18078] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 431.089003][T18078] RSP: 0018:ffffc90003e07080 EFLAGS: 00010246 [ 431.089435][T18078] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 431.089964][T18078] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 431.090467][T18078] RBP: ffffc90003e07168 R08: 0000000000000000 R09: 0000000000000000 [ 431.090992][T18078] R10: ffffc90003e07198 R11: ffffffffacca8918 R12: 1ffff920007c0e14 [ 431.091489][T18078] R13: 00000000000005dc R14: ffffc90003e07198 R15: ffff888010702f08 [ 431.091995][T18078] FS: 00007f8d51673800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 431.092563][T18078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 431.092988][T18078] CR2: 00007f8d518875c0 CR3: 0000000014213001 CR4: 0000000000772ef0 [ 431.093485][T18078] PKRU: 55555554 [ 431.093734][T18078] Call Trace: [ 431.093996][T18078] [431.094177][T18078] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [431.094609][T18078] ? mark_held_locks (kernel/locking/lockdep.c:4328) [431.094966][T18078] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [431.095386][T18078] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [431.095729][T18078] netif_set_mtu (net/core/dev.c:9652) [431.096079][T18078] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [431.096425][T18078] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [431.096897][T18078] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [431.097157][T18078] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [431.097610][T18078] br_add_if (net/bridge/br_if.c:697) bridge [431.098009][T18078] do_set_master (net/core/rtnetlink.c:2948) [431.098348][T18078] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [431.098684][T18078] rtnl_newlink_create (net/core/rtnetlink.c:3840) [431.099027][T18078] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [431.099357][T18078] ? __dev_get_by_name (net/core/dev.c:865) [431.099692][T18078] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [431.100038][T18078] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [431.100377][T18078] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [431.100722][T18078] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [431.101071][T18078] __rtnl_newlink (net/core/rtnetlink.c:3942) [431.101416][T18078] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [431.101759][T18078] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [431.102123][T18078] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [431.102462][T18078] ? __lock_release (kernel/locking/lockdep.c:5539) [431.102817][T18078] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [431.103151][T18078] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [431.103498][T18078] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [431.103869][T18078] ? __lock_acquire (kernel/locking/lockdep.c:5240) [431.104214][T18078] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [431.104549][T18078] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [431.104891][T18078] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [431.105236][T18078] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [431.105631][T18078] ? 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) [431.105986][T18078] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [431.106327][T18078] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [431.106662][T18078] ? __lock_acquire (kernel/locking/lockdep.c:5240) [431.107006][T18078] netlink_sendmsg (net/netlink/af_netlink.c:1896) [431.107347][T18078] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [431.107681][T18078] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [431.108038][T18078] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [431.108376][T18078] ? __pfx_____sys_sendmsg (net/socket.c:2560) [431.108708][T18078] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [431.109138][T18078] ___sys_sendmsg (net/socket.c:2670) [431.109471][T18078] ? __pfx____sys_sendmsg (net/socket.c:2657) [431.109813][T18078] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [431.110151][T18078] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [431.110479][T18078] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [431.110836][T18078] ? __lock_acquire (kernel/locking/lockdep.c:5240) [431.111178][T18078] ? find_held_lock (kernel/locking/lockdep.c:5353) [431.111520][T18078] __sys_sendmsg (net/socket.c:2700) [431.111861][T18078] ? __pfx___sys_sendmsg (net/socket.c:2685) [431.112205][T18078] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [431.112542][T18078] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [431.112888][T18078] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 431.113295][T18078] RIP: 0033:0x7f8d518401e7 [ 431.113638][T18078] 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) [ 431.114847][T18078] RSP: 002b:00007ffc93f78cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 431.115342][T18078] RAX: ffffffffffffffda RBX: 00007ffc93f79400 RCX: 00007f8d518401e7 [ 431.115853][T18078] RDX: 0000000000000000 RSI: 00007ffc93f78d40 RDI: 0000000000000005 [ 431.116346][T18078] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 431.116848][T18078] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc93f79438 [ 431.117374][T18078] R13: 00000000686e434d R14: 0000000000499600 R15: 0000000000000000 | [ 431.284588][T18080] ------------[ cut here ]------------ | [431.285001][T18080] WARNING: CPU: 2 PID: 18080 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 431.285649][T18080] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 431.286850][T18080] Tainted: [W]=WARN [ 431.287108][T18080] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [431.287520][T18080] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 431.287880][T18080] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 431.289048][T18080] RSP: 0000:ffffc90003e47080 EFLAGS: 00010246 [ 431.289497][T18080] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 431.290018][T18080] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 431.290528][T18080] RBP: ffffc90003e47168 R08: 0000000000000000 R09: 0000000000000000 [ 431.291058][T18080] R10: ffffc90003e47198 R11: ffffffffacca8918 R12: 1ffff920007c8e14 [ 431.291555][T18080] R13: 00000000000005dc R14: ffffc90003e47198 R15: ffff888010702f08 [ 431.292073][T18080] FS: 00007fd8ce51f800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 431.292648][T18080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 431.293076][T18080] CR2: 00007f23e0566140 CR3: 0000000014213006 CR4: 0000000000772ef0 [ 431.293575][T18080] PKRU: 55555554 [ 431.293843][T18080] Call Trace: [ 431.294101][T18080] [431.294282][T18080] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [431.294630][T18080] ? mark_held_locks (kernel/locking/lockdep.c:4328) [431.294975][T18080] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [431.295399][T18080] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [431.295737][T18080] netif_set_mtu (net/core/dev.c:9652) [431.296087][T18080] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [431.296441][T18080] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [431.296920][T18080] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [431.297177][T18080] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [431.297640][T18080] br_add_if (net/bridge/br_if.c:697) bridge [431.298039][T18080] do_set_master (net/core/rtnetlink.c:2948) [431.298378][T18080] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [431.298722][T18080] rtnl_newlink_create (net/core/rtnetlink.c:3840) [431.299080][T18080] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [431.299418][T18080] ? __dev_get_by_name (net/core/dev.c:865) [431.299757][T18080] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [431.300102][T18080] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [431.300445][T18080] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [431.300799][T18080] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [431.301146][T18080] __rtnl_newlink (net/core/rtnetlink.c:3942) [431.301494][T18080] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [431.301845][T18080] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [431.302193][T18080] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [431.302529][T18080] ? __lock_release (kernel/locking/lockdep.c:5539) [431.302896][T18080] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [431.303232][T18080] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [431.303576][T18080] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [431.303926][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) [431.304267][T18080] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [431.304606][T18080] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [431.304952][T18080] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [431.305311][T18080] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [431.305657][T18080] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [431.306001][T18080] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [431.306363][T18080] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [431.306689][T18080] ? __lock_acquire (kernel/locking/lockdep.c:5240) [431.307037][T18080] netlink_sendmsg (net/netlink/af_netlink.c:1896) [431.307375][T18080] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [431.307706][T18080] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [431.308051][T18080] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [431.308388][T18080] ? __pfx_____sys_sendmsg (net/socket.c:2560) [431.308724][T18080] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [431.309156][T18080] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [431.309519][T18080] ___sys_sendmsg (net/socket.c:2670) [431.309866][T18080] ? __pfx____sys_sendmsg (net/socket.c:2657) [431.310192][T18080] ? __pfx_handle_pte_fault (mm/memory.c:6026) [431.310526][T18080] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [431.310872][T18080] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [431.311219][T18080] ? __handle_mm_fault (mm/memory.c:6212) [431.311559][T18080] ? __pfx___handle_mm_fault (mm/memory.c:6121) [431.311899][T18080] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [431.312261][T18080] __sys_sendmsg (net/socket.c:2700) [431.312595][T18080] ? __pfx___sys_sendmsg (net/socket.c:2685) [431.312935][T18080] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [431.313280][T18080] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [431.313613][T18080] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [431.313961][T18080] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [431.314301][T18080] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 431.314716][T18080] RIP: 0033:0x7fd8ce6ec1e7 [ 431.315075][T18080] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 431.316262][T18080] RSP: 002b:00007ffd67896978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 431.316798][T18080] RAX: ffffffffffffffda RBX: 00007ffd678970a0 RCX: 00007fd8ce6ec1e7 [ 431.317303][T18080] RDX: 0000000000000000 RSI: 00007ffd678969e0 RDI: 0000000000000005 [ 431.317838][T18080] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 431.318343][T18080] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd678970d8 [ 431.318852][T18080] R13: 00000000686e434e R14: 0000000000499600 R15: 0000000000000000 | [ 431.487158][T18083] ------------[ cut here ]------------ | [431.487501][T18083] WARNING: CPU: 2 PID: 18083 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) | [ 431.488236][T18083] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 431.489410][T18083] Tainted: [W]=WARN [ 431.489661][T18083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [431.490083][T18083] 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) [ 431.490425][T18083] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 431.491581][T18083] RSP: 0018:ffffc90005f87080 EFLAGS: 00010246 [ 431.491996][T18083] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 431.492480][T18083] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 431.492969][T18083] RBP: ffffc90005f87168 R08: 0000000000000000 R09: 0000000000000000 [ 431.493455][T18083] R10: ffffc90005f87198 R11: ffffffffacca8918 R12: 1ffff92000bf0e14 [ 431.493946][T18083] R13: 00000000000005dc R14: ffffc90005f87198 R15: ffff888010702f08 [ 431.494435][T18083] FS: 00007f14e6a74800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 431.495004][T18083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 431.495417][T18083] CR2: 00007fcf8cebbd84 CR3: 0000000009681005 CR4: 0000000000772ef0 [ 431.495908][T18083] PKRU: 55555554 [ 431.496159][T18083] Call Trace: [ 431.496412][T18083] [431.496593][T18083] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [431.496945][T18083] ? mark_held_locks (kernel/locking/lockdep.c:4328) [431.497283][T18083] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [431.497690][T18083] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [431.498030][T18083] netif_set_mtu (net/core/dev.c:9652) [431.498370][T18083] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [431.498756][T18083] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [431.499247][T18083] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [431.499511][T18083] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [431.499981][T18083] br_add_if (net/bridge/br_if.c:697) bridge [431.500371][T18083] do_set_master (net/core/rtnetlink.c:2948) [431.500722][T18083] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [431.501069][T18083] rtnl_newlink_create (net/core/rtnetlink.c:3840) [431.501409][T18083] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [431.501785][T18083] ? __dev_get_by_name (net/core/dev.c:865) [431.502125][T18083] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [431.502468][T18083] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [431.502819][T18083] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [431.503156][T18083] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [431.503495][T18083] __rtnl_newlink (net/core/rtnetlink.c:3942) [431.503845][T18083] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [431.504193][T18083] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [431.504537][T18083] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [431.504878][T18083] ? __lock_release (kernel/locking/lockdep.c:5539) [431.505212][T18083] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [431.505550][T18083] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [431.505894][T18083] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [431.506236][T18083] ? __lock_acquire (kernel/locking/lockdep.c:5240) [431.506572][T18083] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [431.506926][T18083] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [431.507265][T18083] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [431.507614][T18083] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [431.507960][T18083] ? 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) [431.508300][T18083] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [431.508638][T18083] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [431.508981][T18083] ? __lock_acquire (kernel/locking/lockdep.c:5240) [431.509323][T18083] netlink_sendmsg (net/netlink/af_netlink.c:1896) [431.509664][T18083] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [431.510009][T18083] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [431.510354][T18083] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [431.510706][T18083] ? __pfx_____sys_sendmsg (net/socket.c:2560) [431.511052][T18083] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [431.511475][T18083] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [431.511828][T18083] ___sys_sendmsg (net/socket.c:2670) [431.512169][T18083] ? __pfx____sys_sendmsg (net/socket.c:2657) [431.512501][T18083] ? __pfx_handle_pte_fault (mm/memory.c:6026) [431.512867][T18083] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [431.513214][T18083] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [431.513567][T18083] ? __handle_mm_fault (mm/memory.c:6212) [431.513913][T18083] ? __pfx___handle_mm_fault (mm/memory.c:6121) [431.514253][T18083] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [431.514613][T18083] __sys_sendmsg (net/socket.c:2700) [431.514958][T18083] ? __pfx___sys_sendmsg (net/socket.c:2685) [431.515289][T18083] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [431.515634][T18083] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [431.515988][T18083] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [431.516330][T18083] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [431.516665][T18083] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 431.517089][T18083] RIP: 0033:0x7f14e6c411e7 [ 431.517435][T18083] 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) [ 431.518621][T18083] RSP: 002b:00007ffcde032d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 431.519145][T18083] RAX: ffffffffffffffda RBX: 00007ffcde033430 RCX: 00007f14e6c411e7 [ 431.519667][T18083] RDX: 0000000000000000 RSI: 00007ffcde032d70 RDI: 0000000000000005 [ 431.520183][T18083] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 431.520685][T18083] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcde033468 [ 431.521199][T18083] R13: 00000000686e434e R14: 0000000000499600 R15: 0000000000000000 | [ 431.656342][T18085] ------------[ cut here ]------------ | [431.656662][T18085] WARNING: CPU: 0 PID: 18085 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 431.657431][T18085] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 431.658595][T18085] Tainted: [W]=WARN [ 431.658847][T18085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [431.659255][T18085] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 431.659585][T18085] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 431.660740][T18085] RSP: 0000:ffffc90005f77080 EFLAGS: 00010246 [ 431.661318][T18085] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 431.661957][T18085] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 431.662430][T18085] RBP: ffffc90005f77168 R08: 0000000000000000 R09: 0000000000000000 [ 431.663053][T18085] R10: ffffc90005f77198 R11: ffffffffacca8918 R12: 1ffff92000beee14 [ 431.663528][T18085] R13: 00000000000005dc R14: ffffc90005f77198 R15: ffff888010702f08 [ 431.664123][T18085] FS: 00007f101bc9b800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 431.664668][T18085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 431.665071][T18085] CR2: 0000555becb6a218 CR3: 000000000ff7b002 CR4: 0000000000772ef0 [ 431.665541][T18085] PKRU: 55555554 [ 431.665787][T18085] Call Trace: [ 431.666025][T18085] [431.666190][T18085] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [431.666518][T18085] ? mark_held_locks (kernel/locking/lockdep.c:4328) [431.666842][T18085] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [431.667246][T18085] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [431.667561][T18085] netif_set_mtu (net/core/dev.c:9652) [431.667884][T18085] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [431.668222][T18085] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [431.668661][T18085] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [431.668908][T18085] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [431.669347][T18085] br_add_if (net/bridge/br_if.c:697) bridge [431.669722][T18085] do_set_master (net/core/rtnetlink.c:2948) [431.670048][T18085] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [431.670365][T18085] rtnl_newlink_create (net/core/rtnetlink.c:3840) [431.670697][T18085] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [431.671013][T18085] ? __dev_get_by_name (net/core/dev.c:865) [431.671327][T18085] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [431.671638][T18085] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [431.671971][T18085] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [431.672285][T18085] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [431.672607][T18085] __rtnl_newlink (net/core/rtnetlink.c:3942) [431.672943][T18085] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [431.673294][T18085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [431.673628][T18085] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [431.673956][T18085] ? __lock_release (kernel/locking/lockdep.c:5539) [431.674283][T18085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [431.674596][T18085] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [431.674926][T18085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [431.675245][T18085] ? __lock_acquire (kernel/locking/lockdep.c:5240) [431.675566][T18085] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [431.675894][T18085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [431.676218][T18085] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [431.676554][T18085] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [431.676880][T18085] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [431.677198][T18085] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [431.677518][T18085] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [431.677840][T18085] ? __lock_acquire (kernel/locking/lockdep.c:5240) [431.678168][T18085] netlink_sendmsg (net/netlink/af_netlink.c:1896) [431.678492][T18085] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [431.678853][T18085] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [431.679189][T18085] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [431.679517][T18085] ? __pfx_____sys_sendmsg (net/socket.c:2560) [431.679844][T18085] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [431.680245][T18085] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [431.680572][T18085] ___sys_sendmsg (net/socket.c:2670) [431.680912][T18085] ? __pfx____sys_sendmsg (net/socket.c:2657) [431.681242][T18085] ? __pfx_handle_pte_fault (mm/memory.c:6026) [431.681563][T18085] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [431.681886][T18085] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [431.682211][T18085] ? __handle_mm_fault (mm/memory.c:6212) [431.682530][T18085] ? __pfx___handle_mm_fault (mm/memory.c:6121) [431.682858][T18085] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [431.683203][T18085] __sys_sendmsg (net/socket.c:2700) [431.683523][T18085] ? __pfx___sys_sendmsg (net/socket.c:2685) [431.683850][T18085] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [431.684180][T18085] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [431.684500][T18085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [431.684836][T18085] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [431.685160][T18085] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 431.685555][T18085] RIP: 0033:0x7f101be681e7 [ 431.685905][T18085] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 431.687057][T18085] RSP: 002b:00007ffe944dc778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 431.687554][T18085] RAX: ffffffffffffffda RBX: 00007ffe944dcea0 RCX: 00007f101be681e7 [ 431.688043][T18085] RDX: 0000000000000000 RSI: 00007ffe944dc7e0 RDI: 0000000000000005 [ 431.688523][T18085] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 431.689007][T18085] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe944dced8 [ 431.689490][T18085] R13: 00000000686e434e R14: 0000000000499600 R15: 0000000000000000 | [ 431.850927][T18086] ------------[ cut here ]------------ | [431.851269][T18086] WARNING: CPU: 2 PID: 18086 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) | [ 431.852242][T18086] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 431.853441][T18086] Tainted: [W]=WARN [ 431.853703][T18086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [431.854123][T18086] 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) [ 431.854464][T18086] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 431.855641][T18086] RSP: 0018:ffffc90005f77080 EFLAGS: 00010246 [ 431.856075][T18086] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 431.856563][T18086] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 431.857067][T18086] RBP: ffffc90005f77168 R08: 0000000000000000 R09: 0000000000000000 [ 431.857563][T18086] R10: ffffc90005f77198 R11: ffffffffacca8918 R12: 1ffff92000beee14 [ 431.858082][T18086] R13: 00000000000005dc R14: ffffc90005f77198 R15: ffff888010702f08 [ 431.858604][T18086] FS: 00007f875bfbb800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 431.859177][T18086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 431.859593][T18086] CR2: 00000000004a1738 CR3: 000000000f801006 CR4: 0000000000772ef0 [ 431.860105][T18086] PKRU: 55555554 [ 431.860358][T18086] Call Trace: [ 431.860620][T18086] [431.860818][T18086] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [431.861160][T18086] ? mark_held_locks (kernel/locking/lockdep.c:4328) [431.861493][T18086] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [431.861915][T18086] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [431.862262][T18086] netif_set_mtu (net/core/dev.c:9652) [431.862594][T18086] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [431.862946][T18086] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [431.863409][T18086] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [431.863660][T18086] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [431.864117][T18086] br_add_if (net/bridge/br_if.c:697) bridge [431.864493][T18086] do_set_master (net/core/rtnetlink.c:2948) [431.864833][T18086] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [431.865172][T18086] rtnl_newlink_create (net/core/rtnetlink.c:3840) [431.865505][T18086] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [431.865842][T18086] ? __dev_get_by_name (net/core/dev.c:865) [431.866184][T18086] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [431.866519][T18086] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [431.866870][T18086] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [431.867199][T18086] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [431.867539][T18086] __rtnl_newlink (net/core/rtnetlink.c:3942) [431.867900][T18086] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [431.868234][T18086] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [431.868579][T18086] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [431.868921][T18086] ? __lock_release (kernel/locking/lockdep.c:5539) [431.869260][T18086] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [431.869591][T18086] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [431.869936][T18086] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [431.870279][T18086] ? __lock_acquire (kernel/locking/lockdep.c:5240) [431.870635][T18086] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [431.871020][T18086] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [431.871382][T18086] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [431.871730][T18086] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [431.872067][T18086] ? 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) [431.872405][T18086] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [431.872741][T18086] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [431.873083][T18086] ? __lock_acquire (kernel/locking/lockdep.c:5240) [431.873426][T18086] netlink_sendmsg (net/netlink/af_netlink.c:1896) [431.873759][T18086] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [431.874104][T18086] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [431.874455][T18086] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [431.874807][T18086] ? __pfx_____sys_sendmsg (net/socket.c:2560) [431.875163][T18086] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [431.875586][T18086] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [431.875937][T18086] ___sys_sendmsg (net/socket.c:2670) [431.876269][T18086] ? __pfx____sys_sendmsg (net/socket.c:2657) [431.876608][T18086] ? __pfx_handle_pte_fault (mm/memory.c:6026) [431.876955][T18086] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [431.877290][T18086] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [431.877631][T18086] ? __handle_mm_fault (mm/memory.c:6212) [431.877976][T18086] ? __pfx___handle_mm_fault (mm/memory.c:6121) [431.878307][T18086] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [431.878663][T18086] __sys_sendmsg (net/socket.c:2700) [431.879002][T18086] ? __pfx___sys_sendmsg (net/socket.c:2685) [431.879333][T18086] ? irqentry_exit (kernel/entry/common.c:311) [431.879675][T18086] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:638 ./include/linux/cpumask.h:1197 ./include/trace/events/preemptirq.h:40) [431.880346][T18086] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [431.880703][T18086] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 431.881119][T18086] RIP: 0033:0x7f875c1881e7 [ 431.881472][T18086] 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) [ 431.882867][T18086] RSP: 002b:00007ffefa4f6918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 431.883395][T18086] RAX: ffffffffffffffda RBX: 00007ffefa4f7040 RCX: 00007f875c1881e7 [ 431.883900][T18086] RDX: 0000000000000000 RSI: 00007ffefa4f6980 RDI: 0000000000000005 [ 431.884400][T18086] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 431.884906][T18086] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffefa4f7078 [ 431.885640][T18086] R13: 00000000686e434e R14: 0000000000499600 R15: 0000000000000000 | [ 432.055750][T18088] ------------[ cut here ]------------ | [432.056150][T18088] WARNING: CPU: 3 PID: 18088 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) | [ 432.056787][T18088] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 432.057958][T18088] Tainted: [W]=WARN [ 432.058200][T18088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [432.058595][T18088] 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) [ 432.058929][T18088] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 432.060112][T18088] RSP: 0018:ffffc90005f67080 EFLAGS: 00010246 [ 432.060537][T18088] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 432.061046][T18088] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 432.061523][T18088] RBP: ffffc90005f67168 R08: 0000000000000000 R09: 0000000000000000 [ 432.062024][T18088] R10: ffffc90005f67198 R11: ffffffffacca8918 R12: 1ffff92000bece14 [ 432.062504][T18088] R13: 00000000000005dc R14: ffffc90005f67198 R15: ffff888010702f08 [ 432.062990][T18088] FS: 00007f3441580800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 432.063563][T18088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 432.063979][T18088] CR2: 00007f4efd028d90 CR3: 0000000012b1f005 CR4: 0000000000772ef0 [ 432.064475][T18088] PKRU: 55555554 [ 432.064722][T18088] Call Trace: [ 432.064985][T18088] [432.065161][T18088] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [432.065500][T18088] ? mark_held_locks (kernel/locking/lockdep.c:4328) [432.065837][T18088] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [432.066251][T18088] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [432.066583][T18088] netif_set_mtu (net/core/dev.c:9652) [432.066926][T18088] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [432.067263][T18088] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [432.067747][T18088] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [432.068009][T18088] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [432.068482][T18088] br_add_if (net/bridge/br_if.c:697) bridge [432.068860][T18088] do_set_master (net/core/rtnetlink.c:2948) [432.069218][T18088] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [432.069551][T18088] rtnl_newlink_create (net/core/rtnetlink.c:3840) [432.069880][T18088] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [432.070206][T18088] ? __dev_get_by_name (net/core/dev.c:865) [432.070519][T18088] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [432.070851][T18088] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [432.071175][T18088] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [432.071496][T18088] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [432.071840][T18088] __rtnl_newlink (net/core/rtnetlink.c:3942) [432.072200][T18088] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [432.072524][T18088] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [432.072879][T18088] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [432.073203][T18088] ? __lock_release (kernel/locking/lockdep.c:5539) [432.073553][T18088] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [432.073879][T18088] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [432.074198][T18088] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [432.074517][T18088] ? __lock_acquire (kernel/locking/lockdep.c:5240) [432.074868][T18088] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [432.075204][T18088] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [432.075549][T18088] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [432.075886][T18088] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [432.076220][T18088] ? 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) [432.076539][T18088] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [432.076892][T18088] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [432.077204][T18088] ? __lock_acquire (kernel/locking/lockdep.c:5240) [432.077569][T18088] netlink_sendmsg (net/netlink/af_netlink.c:1896) [432.077938][T18088] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [432.078265][T18088] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [432.078600][T18088] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [432.078932][T18088] ? __pfx_____sys_sendmsg (net/socket.c:2560) [432.079249][T18088] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [432.079658][T18088] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [432.080016][T18088] ___sys_sendmsg (net/socket.c:2670) [432.080336][T18088] ? __pfx____sys_sendmsg (net/socket.c:2657) [432.080663][T18088] ? __pfx_handle_pte_fault (mm/memory.c:6026) [432.080993][T18088] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [432.081309][T18088] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [432.081633][T18088] ? __handle_mm_fault (mm/memory.c:6212) [432.081958][T18088] ? __pfx___handle_mm_fault (mm/memory.c:6121) [432.082272][T18088] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [432.082612][T18088] __sys_sendmsg (net/socket.c:2700) [432.082941][T18088] ? __pfx___sys_sendmsg (net/socket.c:2685) [432.083267][T18088] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [432.083590][T18088] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [432.083930][T18088] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [432.084251][T18088] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [432.084570][T18088] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 432.084980][T18088] RIP: 0033:0x7f344174d1e7 [ 432.085307][T18088] 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) [ 432.086452][T18088] RSP: 002b:00007ffcde00e308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 432.086943][T18088] RAX: ffffffffffffffda RBX: 00007ffcde00ea30 RCX: 00007f344174d1e7 [ 432.087417][T18088] RDX: 0000000000000000 RSI: 00007ffcde00e370 RDI: 0000000000000005 [ 432.087908][T18088] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 432.088381][T18088] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcde00ea68 [ 432.088861][T18088] R13: 00000000686e434e R14: 0000000000499600 R15: 0000000000000000 | [ 432.280358][T18090] ------------[ cut here ]------------ | [432.280693][T18090] WARNING: CPU: 3 PID: 18090 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 432.281427][T18090] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 432.282581][T18090] Tainted: [W]=WARN [ 432.282828][T18090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [432.283232][T18090] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 432.283558][T18090] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 432.284701][T18090] RSP: 0018:ffffc90005f57080 EFLAGS: 00010246 [ 432.285149][T18090] RAX: 0000000000000000 RBX: ffff888010702000 RCX: 0000000000000001 [ 432.285647][T18090] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 432.286135][T18090] RBP: ffffc90005f57168 R08: 0000000000000000 R09: 0000000000000000 [ 432.286611][T18090] R10: ffffc90005f57198 R11: ffffffffacca8918 R12: 1ffff92000beae14 [ 432.287101][T18090] R13: 00000000000005dc R14: ffffc90005f57198 R15: ffff888010702f08 [ 432.287595][T18090] FS: 00007f4ae5380800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 432.288170][T18090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 432.288580][T18090] CR2: 00000000004a1738 CR3: 0000000012b1f001 CR4: 0000000000772ef0 [ 432.289067][T18090] PKRU: 55555554 [ 432.289305][T18090] Call Trace: [ 432.289542][T18090] [432.289708][T18090] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [432.290044][T18090] ? mark_held_locks (kernel/locking/lockdep.c:4328) [432.290368][T18090] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [432.290788][T18090] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [432.291118][T18090] netif_set_mtu (net/core/dev.c:9652) [432.291436][T18090] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [432.291776][T18090] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [432.292228][T18090] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [432.292468][T18090] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [432.292915][T18090] br_add_if (net/bridge/br_if.c:697) bridge [432.293282][T18090] do_set_master (net/core/rtnetlink.c:2948) [432.293600][T18090] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [432.293927][T18090] rtnl_newlink_create (net/core/rtnetlink.c:3840) [432.294245][T18090] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [432.294559][T18090] ? __dev_get_by_name (net/core/dev.c:865) [432.294880][T18090] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [432.295203][T18090] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [432.295532][T18090] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [432.295853][T18090] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [432.296180][T18090] __rtnl_newlink (net/core/rtnetlink.c:3942) [432.296509][T18090] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [432.296851][T18090] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [432.297187][T18090] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [432.297510][T18090] ? __lock_release (kernel/locking/lockdep.c:5539) [432.297838][T18090] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [432.298154][T18090] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [432.298478][T18090] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [432.298805][T18090] ? __lock_acquire (kernel/locking/lockdep.c:5240) [432.299128][T18090] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [432.299445][T18090] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [432.299760][T18090] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [432.300095][T18090] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [432.300417][T18090] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [432.300765][T18090] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [432.301091][T18090] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [432.301408][T18090] ? __lock_acquire (kernel/locking/lockdep.c:5240) [432.301732][T18090] netlink_sendmsg (net/netlink/af_netlink.c:1896) [432.302058][T18090] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [432.302376][T18090] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [432.302698][T18090] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [432.303025][T18090] ? __pfx_____sys_sendmsg (net/socket.c:2560) [432.303348][T18090] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [432.303742][T18090] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [432.304081][T18090] ___sys_sendmsg (net/socket.c:2670) [432.304406][T18090] ? __pfx____sys_sendmsg (net/socket.c:2657) [432.304722][T18090] ? __pfx_handle_pte_fault (mm/memory.c:6026) [432.305056][T18090] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [432.305378][T18090] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [432.305701][T18090] ? __handle_mm_fault (mm/memory.c:6212) [432.306024][T18090] ? __pfx___handle_mm_fault (mm/memory.c:6121) [432.306339][T18090] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [432.306674][T18090] __sys_sendmsg (net/socket.c:2700) [432.306998][T18090] ? __pfx___sys_sendmsg (net/socket.c:2685) [432.307313][T18090] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [432.307634][T18090] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [432.307960][T18090] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [432.308282][T18090] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [432.308609][T18090] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 432.309245][T18090] RIP: 0033:0x7f4ae554d1e7 [ 432.309571][T18090] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 432.311587][T18090] RSP: 002b:00007fff2fac4a78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 432.312087][T18090] RAX: ffffffffffffffda RBX: 00007fff2fac51a0 RCX: 00007f4ae554d1e7 [ 432.312562][T18090] RDX: 0000000000000000 RSI: 00007fff2fac4ae0 RDI: 0000000000000005 [ 432.313040][T18090] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 432.313519][T18090] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff2fac51d8 [ 432.314031][T18090] R13: 00000000686e434f R14: 0000000000499600 R15: 0000000000000000 | [ 432.744434][T18096] ------------[ cut here ]------------ | [432.744818][T18096] WARNING: CPU: 3 PID: 18096 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) | [ 432.745479][T18096] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 432.746683][T18096] Tainted: [W]=WARN [ 432.746952][T18096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [432.747406][T18096] 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) [ 432.747785][T18096] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 432.749051][T18096] RSP: 0018:ffffc90005a67080 EFLAGS: 00010246 [ 432.749491][T18096] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 432.750037][T18096] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 432.750602][T18096] RBP: ffffc90005a67168 R08: 0000000000000000 R09: 0000000000000000 [ 432.751153][T18096] R10: ffffc90005a67198 R11: ffffffffacca8918 R12: 1ffff92000b4ce14 [ 432.751666][T18096] R13: 00000000000005dc R14: ffffc90005a67198 R15: ffff888013c02f08 [ 432.752179][T18096] FS: 00007f2a058d8800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 432.752787][T18096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 432.753219][T18096] CR2: 00000000004a1738 CR3: 000000000b924006 CR4: 0000000000772ef0 [ 432.753751][T18096] PKRU: 55555554 [ 432.754026][T18096] Call Trace: [ 432.754288][T18096] [432.754465][T18096] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [432.754819][T18096] ? mark_held_locks (kernel/locking/lockdep.c:4328) [432.755163][T18096] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [432.755581][T18096] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [432.755935][T18096] netif_set_mtu (net/core/dev.c:9652) [432.756271][T18096] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [432.756623][T18096] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [432.757122][T18096] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [432.757380][T18096] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [432.757865][T18096] br_add_if (net/bridge/br_if.c:697) bridge [432.758248][T18096] do_set_master (net/core/rtnetlink.c:2948) [432.758597][T18096] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [432.758945][T18096] rtnl_newlink_create (net/core/rtnetlink.c:3840) [432.759283][T18096] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [432.759618][T18096] ? __dev_get_by_name (net/core/dev.c:865) [432.759965][T18096] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [432.760300][T18096] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [432.760650][T18096] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [432.761027][T18096] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [432.761420][T18096] __rtnl_newlink (net/core/rtnetlink.c:3942) [432.761808][T18096] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [432.762154][T18096] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [432.762494][T18096] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [432.762863][T18096] ? __lock_release (kernel/locking/lockdep.c:5539) [432.763236][T18096] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [432.763570][T18096] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [432.763919][T18096] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [432.764327][T18096] ? __lock_acquire (kernel/locking/lockdep.c:5240) [432.764668][T18096] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [432.765019][T18096] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [432.765354][T18096] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [432.765698][T18096] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [432.766088][T18096] ? 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) [432.766491][T18096] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [432.766904][T18096] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [432.767257][T18096] ? __lock_acquire (kernel/locking/lockdep.c:5240) [432.767621][T18096] netlink_sendmsg (net/netlink/af_netlink.c:1896) [432.767999][T18096] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [432.768387][T18096] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [432.768726][T18096] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [432.769073][T18096] ? __pfx_____sys_sendmsg (net/socket.c:2560) [432.769405][T18096] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [432.769837][T18096] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [432.770247][T18096] ___sys_sendmsg (net/socket.c:2670) [432.770710][T18096] ? __pfx____sys_sendmsg (net/socket.c:2657) [432.771118][T18096] ? __pfx_handle_pte_fault (mm/memory.c:6026) [432.771471][T18096] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [432.771849][T18096] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [432.772201][T18096] ? __handle_mm_fault (mm/memory.c:6212) [432.772542][T18096] ? __pfx___handle_mm_fault (mm/memory.c:6121) [432.772910][T18096] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [432.773299][T18096] __sys_sendmsg (net/socket.c:2700) [432.773664][T18096] ? __pfx___sys_sendmsg (net/socket.c:2685) [432.774005][T18096] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [432.774353][T18096] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [432.774693][T18096] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [432.775046][T18096] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [432.775386][T18096] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 432.775828][T18096] RIP: 0033:0x7f2a05aa51e7 [ 432.776175][T18096] 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) [ 432.777377][T18096] RSP: 002b:00007fffe44cf3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 432.777895][T18096] RAX: ffffffffffffffda RBX: 00007fffe44cfad0 RCX: 00007f2a05aa51e7 [ 432.778402][T18096] RDX: 0000000000000000 RSI: 00007fffe44cf410 RDI: 0000000000000005 [ 432.778926][T18096] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 432.779438][T18096] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffe44cfb08 [ 432.779954][T18096] R13: 00000000686e434f R14: 0000000000499600 R15: 0000000000000000 | [ 432.940840][T18097] ------------[ cut here ]------------ | [432.941157][T18097] WARNING: CPU: 3 PID: 18097 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) | [ 432.941806][T18097] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 432.942966][T18097] Tainted: [W]=WARN [ 432.943218][T18097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [432.943615][T18097] 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) [ 432.943948][T18097] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 432.945091][T18097] RSP: 0018:ffffc90005a67080 EFLAGS: 00010246 [ 432.945493][T18097] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 432.945987][T18097] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 432.946488][T18097] RBP: ffffc90005a67168 R08: 0000000000000000 R09: 0000000000000000 [ 432.946973][T18097] R10: ffffc90005a67198 R11: ffffffffacca8918 R12: 1ffff92000b4ce14 [ 432.947458][T18097] R13: 00000000000005dc R14: ffffc90005a67198 R15: ffff888013c02f08 [ 432.947938][T18097] FS: 00007fa30b0b8800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 432.948495][T18097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 432.948898][T18097] CR2: 00007fa30b2cc5c0 CR3: 00000000029ad005 CR4: 0000000000772ef0 [ 432.949378][T18097] PKRU: 55555554 [ 432.949612][T18097] Call Trace: [ 432.949858][T18097] [432.950022][T18097] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [432.950351][T18097] ? mark_held_locks (kernel/locking/lockdep.c:4328) [432.950690][T18097] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [432.951096][T18097] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [432.951421][T18097] netif_set_mtu (net/core/dev.c:9652) [432.951739][T18097] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [432.952076][T18097] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [432.952532][T18097] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [432.952786][T18097] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [432.953220][T18097] br_add_if (net/bridge/br_if.c:697) bridge [432.953583][T18097] do_set_master (net/core/rtnetlink.c:2948) [432.953911][T18097] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [432.954236][T18097] rtnl_newlink_create (net/core/rtnetlink.c:3840) [432.954572][T18097] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [432.954919][T18097] ? __dev_get_by_name (net/core/dev.c:865) [432.955235][T18097] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [432.955560][T18097] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [432.955889][T18097] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [432.956204][T18097] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [432.956527][T18097] __rtnl_newlink (net/core/rtnetlink.c:3942) [432.956864][T18097] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [432.957189][T18097] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [432.957516][T18097] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [432.957849][T18097] ? __lock_release (kernel/locking/lockdep.c:5539) [432.958180][T18097] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [432.958510][T18097] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [432.958834][T18097] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [432.959156][T18097] ? __lock_acquire (kernel/locking/lockdep.c:5240) [432.959488][T18097] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [432.959819][T18097] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [432.960144][T18097] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [432.960471][T18097] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [432.960820][T18097] ? 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) [432.961143][T18097] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [432.961502][T18097] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [432.961924][T18097] ? __lock_acquire (kernel/locking/lockdep.c:5240) [432.962264][T18097] netlink_sendmsg (net/netlink/af_netlink.c:1896) [432.962585][T18097] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [432.962981][T18097] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [432.963331][T18097] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [432.963653][T18097] ? __pfx_____sys_sendmsg (net/socket.c:2560) [432.963995][T18097] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [432.964417][T18097] ___sys_sendmsg (net/socket.c:2670) [432.964739][T18097] ? __pfx____sys_sendmsg (net/socket.c:2657) [432.965074][T18097] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [432.965398][T18097] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [432.965711][T18097] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [432.966041][T18097] ? __lock_acquire (kernel/locking/lockdep.c:5240) [432.966367][T18097] ? find_held_lock (kernel/locking/lockdep.c:5353) [432.966691][T18097] __sys_sendmsg (net/socket.c:2700) [432.967016][T18097] ? __pfx___sys_sendmsg (net/socket.c:2685) [432.967347][T18097] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [432.967672][T18097] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [432.968008][T18097] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 432.968422][T18097] RIP: 0033:0x7fa30b2851e7 [ 432.968754][T18097] 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) [ 432.969919][T18097] RSP: 002b:00007ffd2e7e6e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 432.970410][T18097] RAX: ffffffffffffffda RBX: 00007ffd2e7e7570 RCX: 00007fa30b2851e7 [ 432.970911][T18097] RDX: 0000000000000000 RSI: 00007ffd2e7e6eb0 RDI: 0000000000000005 [ 432.971393][T18097] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 432.971895][T18097] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd2e7e75a8 [ 432.972372][T18097] R13: 00000000686e434f R14: 0000000000499600 R15: 0000000000000000 | [ 433.153649][T18100] ------------[ cut here ]------------ | [433.154066][T18100] WARNING: CPU: 0 PID: 18100 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) | [ 433.154821][T18100] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 433.156079][T18100] Tainted: [W]=WARN [ 433.156333][T18100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [433.156758][T18100] 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) [ 433.157121][T18100] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 433.158355][T18100] RSP: 0018:ffffc90005a67080 EFLAGS: 00010246 [ 433.158831][T18100] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 433.159363][T18100] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 433.159898][T18100] RBP: ffffc90005a67168 R08: 0000000000000000 R09: 0000000000000000 [ 433.160406][T18100] R10: ffffc90005a67198 R11: ffffffffacca8918 R12: 1ffff92000b4ce14 [ 433.160986][T18100] R13: 00000000000005dc R14: ffffc90005a67198 R15: ffff888013c02f08 [ 433.161490][T18100] FS: 00007fb0c5464800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 433.162089][T18100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 433.162514][T18100] CR2: 00000000004a1738 CR3: 000000000c093003 CR4: 0000000000772ef0 [ 433.163083][T18100] PKRU: 55555554 [ 433.163340][T18100] Call Trace: [ 433.163610][T18100] [433.163795][T18100] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [433.164142][T18100] ? mark_held_locks (kernel/locking/lockdep.c:4328) [433.164484][T18100] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [433.164949][T18100] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [433.165292][T18100] netif_set_mtu (net/core/dev.c:9652) [433.165635][T18100] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [433.165993][T18100] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [433.166466][T18100] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [433.166721][T18100] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [433.167193][T18100] br_add_if (net/bridge/br_if.c:697) bridge [433.167595][T18100] do_set_master (net/core/rtnetlink.c:2948) [433.167958][T18100] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [433.168309][T18100] rtnl_newlink_create (net/core/rtnetlink.c:3840) [433.168651][T18100] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [433.169028][T18100] ? __dev_get_by_name (net/core/dev.c:865) [433.169365][T18100] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [433.169706][T18100] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [433.170053][T18100] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [433.170407][T18100] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [433.170779][T18100] __rtnl_newlink (net/core/rtnetlink.c:3942) [433.171135][T18100] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [433.171483][T18100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [433.171851][T18100] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [433.172198][T18100] ? __lock_release (kernel/locking/lockdep.c:5539) [433.172552][T18100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [433.172936][T18100] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [433.173278][T18100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [433.173620][T18100] ? __lock_acquire (kernel/locking/lockdep.c:5240) [433.173972][T18100] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [433.174308][T18100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [433.174641][T18100] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [433.174997][T18100] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [433.175341][T18100] ? 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) [433.175688][T18100] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [433.176041][T18100] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [433.176379][T18100] ? __lock_acquire (kernel/locking/lockdep.c:5240) [433.176741][T18100] netlink_sendmsg (net/netlink/af_netlink.c:1896) [433.177120][T18100] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [433.177457][T18100] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [433.177813][T18100] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [433.178378][T18100] ? __pfx_____sys_sendmsg (net/socket.c:2560) [433.178695][T18100] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [433.179116][T18100] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [433.179438][T18100] ___sys_sendmsg (net/socket.c:2670) [433.180004][T18100] ? __pfx____sys_sendmsg (net/socket.c:2657) [433.180325][T18100] ? __pfx_handle_pte_fault (mm/memory.c:6026) [433.180660][T18100] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [433.181223][T18100] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [433.181562][T18100] ? __handle_mm_fault (mm/memory.c:6212) [433.181935][T18100] ? __pfx___handle_mm_fault (mm/memory.c:6121) [433.182257][T18100] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [433.182596][T18100] __sys_sendmsg (net/socket.c:2700) [433.182942][T18100] ? __pfx___sys_sendmsg (net/socket.c:2685) [433.183262][T18100] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [433.183591][T18100] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [433.184148][T18100] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [433.184512][T18100] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [433.184839][T18100] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 433.185228][T18100] RIP: 0033:0x7fb0c56311e7 [ 433.185854][T18100] 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) [ 433.187065][T18100] RSP: 002b:00007ffea5333768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 433.187574][T18100] RAX: ffffffffffffffda RBX: 00007ffea5333e90 RCX: 00007fb0c56311e7 [ 433.188106][T18100] RDX: 0000000000000000 RSI: 00007ffea53337d0 RDI: 0000000000000005 [ 433.188844][T18100] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 433.189323][T18100] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffea5333ec8 [ 433.189819][T18100] R13: 00000000686e434f R14: 0000000000499600 R15: 0000000000000000 | [ 433.377560][T18101] ------------[ cut here ]------------ | [433.377910][T18101] WARNING: CPU: 3 PID: 18101 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 433.378548][T18101] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 433.379788][T18101] Tainted: [W]=WARN [ 433.380031][T18101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [433.380434][T18101] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 433.380782][T18101] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 433.381973][T18101] RSP: 0018:ffffc90008527080 EFLAGS: 00010246 [ 433.382383][T18101] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 433.382890][T18101] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 433.383410][T18101] RBP: ffffc90008527168 R08: 0000000000000000 R09: 0000000000000000 [ 433.383907][T18101] R10: ffffc90008527198 R11: ffffffffacca8918 R12: 1ffff920010a4e14 [ 433.384418][T18101] R13: 00000000000005dc R14: ffffc90008527198 R15: ffff888013c02f08 [ 433.384897][T18101] FS: 00007f3d21fe8800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 433.385480][T18101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 433.385887][T18101] CR2: 00007f4efcd29a00 CR3: 0000000012fb7003 CR4: 0000000000772ef0 [ 433.386385][T18101] PKRU: 55555554 [ 433.386627][T18101] Call Trace: [ 433.386875][T18101] [433.387042][T18101] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [433.387386][T18101] ? mark_held_locks (kernel/locking/lockdep.c:4328) [433.387724][T18101] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [433.388188][T18101] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [433.388517][T18101] netif_set_mtu (net/core/dev.c:9652) [433.388847][T18101] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [433.389179][T18101] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [433.389633][T18101] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [433.389884][T18101] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [433.390328][T18101] br_add_if (net/bridge/br_if.c:697) bridge [433.390717][T18101] do_set_master (net/core/rtnetlink.c:2948) [433.391053][T18101] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [433.391382][T18101] rtnl_newlink_create (net/core/rtnetlink.c:3840) [433.391700][T18101] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [433.392027][T18101] ? __dev_get_by_name (net/core/dev.c:865) [433.392349][T18101] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [433.392672][T18101] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [433.393024][T18101] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [433.393353][T18101] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [433.393679][T18101] __rtnl_newlink (net/core/rtnetlink.c:3942) [433.394017][T18101] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [433.394354][T18101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [433.394687][T18101] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [433.395012][T18101] ? __lock_release (kernel/locking/lockdep.c:5539) [433.395350][T18101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [433.395678][T18101] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [433.396016][T18101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [433.396345][T18101] ? __lock_acquire (kernel/locking/lockdep.c:5240) [433.396666][T18101] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [433.396996][T18101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [433.397317][T18101] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [433.397645][T18101] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [433.397971][T18101] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [433.398308][T18101] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [433.398679][T18101] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [433.399005][T18101] ? __lock_acquire (kernel/locking/lockdep.c:5240) [433.399353][T18101] netlink_sendmsg (net/netlink/af_netlink.c:1896) [433.399687][T18101] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [433.400015][T18101] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [433.400344][T18101] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [433.400686][T18101] ? __pfx_____sys_sendmsg (net/socket.c:2560) [433.401012][T18101] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [433.401422][T18101] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [433.401748][T18101] ___sys_sendmsg (net/socket.c:2670) [433.402074][T18101] ? __pfx____sys_sendmsg (net/socket.c:2657) [433.402400][T18101] ? __pfx_handle_pte_fault (mm/memory.c:6026) [433.402727][T18101] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [433.403058][T18101] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [433.403386][T18101] ? __handle_mm_fault (mm/memory.c:6212) [433.403707][T18101] ? __pfx___handle_mm_fault (mm/memory.c:6121) [433.404031][T18101] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [433.404387][T18101] __sys_sendmsg (net/socket.c:2700) [433.404705][T18101] ? __pfx___sys_sendmsg (net/socket.c:2685) [433.405034][T18101] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [433.405379][T18101] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [433.405700][T18101] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [433.406033][T18101] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [433.406355][T18101] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 433.406753][T18101] RIP: 0033:0x7f3d221b51e7 [ 433.407094][T18101] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 433.408303][T18101] RSP: 002b:00007ffcf77cb648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 433.408844][T18101] RAX: ffffffffffffffda RBX: 00007ffcf77cbd70 RCX: 00007f3d221b51e7 [ 433.409366][T18101] RDX: 0000000000000000 RSI: 00007ffcf77cb6b0 RDI: 0000000000000005 [ 433.409864][T18101] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 433.410348][T18101] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcf77cbda8 [ 433.410852][T18101] R13: 00000000686e4350 R14: 0000000000499600 R15: 0000000000000000 | [ 433.574734][T18103] ------------[ cut here ]------------ | [433.576171][T18103] WARNING: CPU: 3 PID: 18103 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 433.576821][T18103] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 433.577987][T18103] Tainted: [W]=WARN [ 433.578230][T18103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [433.578625][T18103] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 433.578957][T18103] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 433.580101][T18103] RSP: 0018:ffffc90005a67080 EFLAGS: 00010246 [ 433.580520][T18103] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 433.581035][T18103] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 433.581521][T18103] RBP: ffffc90005a67168 R08: 0000000000000000 R09: 0000000000000000 [ 433.582003][T18103] R10: ffffc90005a67198 R11: ffffffffacca8918 R12: 1ffff92000b4ce14 [ 433.582479][T18103] R13: 00000000000005dc R14: ffffc90005a67198 R15: ffff888013c02f08 [ 433.582971][T18103] FS: 00007f1bade95800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 433.583534][T18103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 433.583938][T18103] CR2: 00000000004a1738 CR3: 0000000012fb7006 CR4: 0000000000772ef0 [ 433.584412][T18103] PKRU: 55555554 [ 433.584649][T18103] Call Trace: [ 433.584893][T18103] [433.585088][T18103] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [433.585432][T18103] ? mark_held_locks (kernel/locking/lockdep.c:4328) [433.585755][T18103] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [433.586215][T18103] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [433.586560][T18103] netif_set_mtu (net/core/dev.c:9652) [433.586890][T18103] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [433.587222][T18103] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [433.587668][T18103] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [433.587917][T18103] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [433.588354][T18103] br_add_if (net/bridge/br_if.c:697) bridge [433.588720][T18103] do_set_master (net/core/rtnetlink.c:2948) [433.589045][T18103] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [433.589376][T18103] rtnl_newlink_create (net/core/rtnetlink.c:3840) [433.589696][T18103] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [433.590030][T18103] ? __dev_get_by_name (net/core/dev.c:865) [433.590346][T18103] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [433.590670][T18103] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [433.591000][T18103] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [433.591313][T18103] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [433.591635][T18103] __rtnl_newlink (net/core/rtnetlink.c:3942) [433.591980][T18103] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [433.592312][T18103] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [433.592641][T18103] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [433.592961][T18103] ? __lock_release (kernel/locking/lockdep.c:5539) [433.593276][T18103] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [433.593595][T18103] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [433.593920][T18103] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [433.594246][T18103] ? __lock_acquire (kernel/locking/lockdep.c:5240) [433.594568][T18103] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [433.594900][T18103] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [433.595217][T18103] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [433.595546][T18103] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [433.595870][T18103] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [433.596190][T18103] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [433.596509][T18103] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [433.596846][T18103] ? __lock_acquire (kernel/locking/lockdep.c:5240) [433.597179][T18103] netlink_sendmsg (net/netlink/af_netlink.c:1896) [433.597510][T18103] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [433.597850][T18103] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [433.598179][T18103] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [433.598499][T18103] ? __pfx_____sys_sendmsg (net/socket.c:2560) [433.598826][T18103] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [433.599232][T18103] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [433.599558][T18103] ___sys_sendmsg (net/socket.c:2670) [433.599896][T18103] ? __pfx____sys_sendmsg (net/socket.c:2657) [433.600216][T18103] ? __pfx_handle_pte_fault (mm/memory.c:6026) [433.600549][T18103] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [433.600885][T18103] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [433.601234][T18103] ? __handle_mm_fault (mm/memory.c:6212) [433.601553][T18103] ? __pfx___handle_mm_fault (mm/memory.c:6121) [433.601877][T18103] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [433.602214][T18103] __sys_sendmsg (net/socket.c:2700) [433.602527][T18103] ? __pfx___sys_sendmsg (net/socket.c:2685) [433.602852][T18103] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [433.603185][T18103] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [433.603532][T18103] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [433.603862][T18103] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [433.604176][T18103] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 433.604595][T18103] RIP: 0033:0x7f1bae0621e7 [ 433.604930][T18103] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 433.606083][T18103] RSP: 002b:00007ffc58432878 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 433.606558][T18103] RAX: ffffffffffffffda RBX: 00007ffc58432fa0 RCX: 00007f1bae0621e7 [ 433.607062][T18103] RDX: 0000000000000000 RSI: 00007ffc584328e0 RDI: 0000000000000005 [ 433.607530][T18103] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 433.608007][T18103] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc58432fd8 [ 433.608499][T18103] R13: 00000000686e4350 R14: 0000000000499600 R15: 0000000000000000 | [ 433.786385][T18106] ------------[ cut here ]------------ | [433.786705][T18106] WARNING: CPU: 3 PID: 18106 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) | [ 433.787366][T18106] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 433.788527][T18106] Tainted: [W]=WARN [ 433.788777][T18106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [433.789171][T18106] 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) [ 433.789498][T18106] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 433.790638][T18106] RSP: 0018:ffffc90005a67080 EFLAGS: 00010246 [ 433.791043][T18106] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 433.791521][T18106] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 433.792000][T18106] RBP: ffffc90005a67168 R08: 0000000000000000 R09: 0000000000000000 [ 433.792475][T18106] R10: ffffc90005a67198 R11: ffffffffacca8918 R12: 1ffff92000b4ce14 [ 433.792954][T18106] R13: 00000000000005dc R14: ffffc90005a67198 R15: ffff888013c02f08 [ 433.793432][T18106] FS: 00007f597efa8800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 433.793988][T18106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 433.794392][T18106] CR2: 00000000004a1738 CR3: 0000000012d02003 CR4: 0000000000772ef0 [ 433.794880][T18106] PKRU: 55555554 [ 433.795120][T18106] Call Trace: [ 433.795357][T18106] [433.795522][T18106] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [433.795853][T18106] ? mark_held_locks (kernel/locking/lockdep.c:4328) [433.796179][T18106] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [433.796575][T18106] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [433.796907][T18106] netif_set_mtu (net/core/dev.c:9652) [433.797226][T18106] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [433.797551][T18106] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [433.798008][T18106] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [433.798252][T18106] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [433.798689][T18106] br_add_if (net/bridge/br_if.c:697) bridge [433.799064][T18106] do_set_master (net/core/rtnetlink.c:2948) [433.799381][T18106] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [433.799706][T18106] rtnl_newlink_create (net/core/rtnetlink.c:3840) [433.800034][T18106] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [433.800347][T18106] ? __dev_get_by_name (net/core/dev.c:865) [433.800669][T18106] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [433.800994][T18106] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [433.801315][T18106] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [433.801627][T18106] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [433.801964][T18106] __rtnl_newlink (net/core/rtnetlink.c:3942) [433.802303][T18106] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [433.802632][T18106] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [433.802973][T18106] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [433.803288][T18106] ? __lock_release (kernel/locking/lockdep.c:5539) [433.803610][T18106] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [433.803934][T18106] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [433.804250][T18106] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [433.804569][T18106] ? __lock_acquire (kernel/locking/lockdep.c:5240) [433.804897][T18106] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [433.805223][T18106] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [433.805544][T18106] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [433.805886][T18106] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [433.806199][T18106] ? 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) [433.806519][T18106] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [433.806844][T18106] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [433.807158][T18106] ? __lock_acquire (kernel/locking/lockdep.c:5240) [433.807475][T18106] netlink_sendmsg (net/netlink/af_netlink.c:1896) [433.807799][T18106] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [433.808115][T18106] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [433.808438][T18106] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [433.808755][T18106] ? __pfx_____sys_sendmsg (net/socket.c:2560) [433.809079][T18106] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [433.809479][T18106] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [433.809811][T18106] ___sys_sendmsg (net/socket.c:2670) [433.810125][T18106] ? __pfx____sys_sendmsg (net/socket.c:2657) [433.810435][T18106] ? __pfx_handle_pte_fault (mm/memory.c:6026) [433.810766][T18106] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [433.811084][T18106] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [433.811400][T18106] ? __handle_mm_fault (mm/memory.c:6212) [433.811712][T18106] ? __pfx___handle_mm_fault (mm/memory.c:6121) [433.812032][T18106] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [433.812362][T18106] __sys_sendmsg (net/socket.c:2700) [433.812681][T18106] ? __pfx___sys_sendmsg (net/socket.c:2685) [433.813003][T18106] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [433.813325][T18106] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [433.813638][T18106] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [433.813964][T18106] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [433.814288][T18106] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 433.814682][T18106] RIP: 0033:0x7f597f1751e7 [ 433.815015][T18106] 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) [ 433.816142][T18106] RSP: 002b:00007ffcdad1d018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 433.816620][T18106] RAX: ffffffffffffffda RBX: 00007ffcdad1d740 RCX: 00007f597f1751e7 [ 433.817093][T18106] RDX: 0000000000000000 RSI: 00007ffcdad1d080 RDI: 0000000000000005 [ 433.817566][T18106] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 433.818039][T18106] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffcdad1d778 [ 433.818508][T18106] R13: 00000000686e4350 R14: 0000000000499600 R15: 0000000000000000 | [ 433.961361][T18107] ------------[ cut here ]------------ | [433.961696][T18107] WARNING: CPU: 3 PID: 18107 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 433.962384][T18107] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 433.963579][T18107] Tainted: [W]=WARN [ 433.963844][T18107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [433.964265][T18107] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 433.964607][T18107] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 433.965797][T18107] RSP: 0018:ffffc90005a67080 EFLAGS: 00010246 [ 433.966215][T18107] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 433.966715][T18107] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 433.967219][T18107] RBP: ffffc90005a67168 R08: 0000000000000000 R09: 0000000000000000 [ 433.967727][T18107] R10: ffffc90005a67198 R11: ffffffffacca8918 R12: 1ffff92000b4ce14 [ 433.968233][T18107] R13: 00000000000005dc R14: ffffc90005a67198 R15: ffff888013c02f08 [ 433.968748][T18107] FS: 00007f269172a800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 433.969337][T18107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 433.969760][T18107] CR2: 00007f269193e5c0 CR3: 0000000012d02001 CR4: 0000000000772ef0 [ 433.970279][T18107] PKRU: 55555554 [ 433.970530][T18107] Call Trace: [ 433.970795][T18107] [433.970968][T18107] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [433.971305][T18107] ? mark_held_locks (kernel/locking/lockdep.c:4328) [433.971639][T18107] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [433.972079][T18107] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [433.972419][T18107] netif_set_mtu (net/core/dev.c:9652) [433.972752][T18107] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [433.973101][T18107] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [433.973569][T18107] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [433.973838][T18107] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [433.974301][T18107] br_add_if (net/bridge/br_if.c:697) bridge [433.974679][T18107] do_set_master (net/core/rtnetlink.c:2948) [433.975018][T18107] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [433.975363][T18107] rtnl_newlink_create (net/core/rtnetlink.c:3840) [433.975699][T18107] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [433.976041][T18107] ? __dev_get_by_name (net/core/dev.c:865) [433.976377][T18107] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [433.976715][T18107] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [433.977063][T18107] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [433.977399][T18107] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [433.977742][T18107] __rtnl_newlink (net/core/rtnetlink.c:3942) [433.978107][T18107] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [433.978456][T18107] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [433.978816][T18107] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [433.979152][T18107] ? __lock_release (kernel/locking/lockdep.c:5539) [433.979491][T18107] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [433.979829][T18107] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [433.980162][T18107] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [433.980496][T18107] ? __lock_acquire (kernel/locking/lockdep.c:5240) [433.980860][T18107] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [433.981201][T18107] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [433.981531][T18107] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [433.981890][T18107] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [433.982220][T18107] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [433.982550][T18107] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [433.982891][T18107] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [433.983222][T18107] ? __lock_acquire (kernel/locking/lockdep.c:5240) [433.983564][T18107] netlink_sendmsg (net/netlink/af_netlink.c:1896) [433.983909][T18107] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [433.984239][T18107] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [433.984583][T18107] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [433.984933][T18107] ? __pfx_____sys_sendmsg (net/socket.c:2560) [433.985263][T18107] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [433.985691][T18107] ___sys_sendmsg (net/socket.c:2670) [433.986032][T18107] ? __pfx____sys_sendmsg (net/socket.c:2657) [433.986370][T18107] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [433.986701][T18107] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [433.987040][T18107] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [433.987380][T18107] ? __lock_acquire (kernel/locking/lockdep.c:5240) [433.987720][T18107] ? find_held_lock (kernel/locking/lockdep.c:5353) [433.988080][T18107] __sys_sendmsg (net/socket.c:2700) [433.988424][T18107] ? __pfx___sys_sendmsg (net/socket.c:2685) [433.988787][T18107] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [433.989131][T18107] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [433.989467][T18107] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 433.989879][T18107] RIP: 0033:0x7f26918f71e7 [ 433.990222][T18107] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 433.991431][T18107] RSP: 002b:00007ffc22488138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 433.991947][T18107] RAX: ffffffffffffffda RBX: 00007ffc22488860 RCX: 00007f26918f71e7 [ 433.992442][T18107] RDX: 0000000000000000 RSI: 00007ffc224881a0 RDI: 0000000000000005 [ 433.992962][T18107] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 433.993482][T18107] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc22488898 [ 433.993991][T18107] R13: 00000000686e4350 R14: 0000000000499600 R15: 0000000000000000 | [ 434.122362][T18109] ------------[ cut here ]------------ | [434.122678][T18109] WARNING: CPU: 3 PID: 18109 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) | [ 434.123347][T18109] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 434.124507][T18109] Tainted: [W]=WARN [ 434.124745][T18109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [434.125157][T18109] 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) [ 434.125485][T18109] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 434.126621][T18109] RSP: 0018:ffffc90007fb7080 EFLAGS: 00010246 [ 434.127040][T18109] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 434.127515][T18109] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 434.128000][T18109] RBP: ffffc90007fb7168 R08: 0000000000000000 R09: 0000000000000000 [ 434.128473][T18109] R10: ffffc90007fb7198 R11: ffffffffacca8918 R12: 1ffff92000ff6e14 [ 434.128955][T18109] R13: 00000000000005dc R14: ffffc90007fb7198 R15: ffff888013c02f08 [ 434.129429][T18109] FS: 00007f1043dca800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 434.129990][T18109] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 434.130391][T18109] CR2: 00000000004a1738 CR3: 0000000012d02003 CR4: 0000000000772ef0 [ 434.130884][T18109] PKRU: 55555554 [ 434.131127][T18109] Call Trace: [ 434.131370][T18109] [434.131534][T18109] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [434.131868][T18109] ? mark_held_locks (kernel/locking/lockdep.c:4328) [434.132195][T18109] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [434.132599][T18109] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [434.132931][T18109] netif_set_mtu (net/core/dev.c:9652) [434.133250][T18109] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [434.133586][T18109] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [434.134038][T18109] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [434.134283][T18109] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [434.134725][T18109] br_add_if (net/bridge/br_if.c:697) bridge [434.135099][T18109] do_set_master (net/core/rtnetlink.c:2948) [434.135424][T18109] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [434.135748][T18109] rtnl_newlink_create (net/core/rtnetlink.c:3840) [434.136076][T18109] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [434.136391][T18109] ? __dev_get_by_name (net/core/dev.c:865) [434.136708][T18109] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [434.137034][T18109] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [434.137356][T18109] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [434.137670][T18109] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [434.138015][T18109] __rtnl_newlink (net/core/rtnetlink.c:3942) [434.138347][T18109] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [434.138667][T18109] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [434.139007][T18109] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [434.139326][T18109] ? __lock_release (kernel/locking/lockdep.c:5539) [434.139648][T18109] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [434.139972][T18109] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [434.140294][T18109] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [434.140630][T18109] ? __lock_acquire (kernel/locking/lockdep.c:5240) [434.140965][T18109] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [434.141286][T18109] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [434.141610][T18109] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [434.141946][T18109] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [434.142262][T18109] ? 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) [434.142592][T18109] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [434.142960][T18109] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [434.143279][T18109] ? __lock_acquire (kernel/locking/lockdep.c:5240) [434.143599][T18109] netlink_sendmsg (net/netlink/af_netlink.c:1896) [434.143930][T18109] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [434.144249][T18109] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [434.144576][T18109] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [434.144912][T18109] ? __pfx_____sys_sendmsg (net/socket.c:2560) [434.145233][T18109] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [434.145628][T18109] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [434.146423][T18109] ___sys_sendmsg (net/socket.c:2670) [434.146737][T18109] ? __pfx____sys_sendmsg (net/socket.c:2657) [434.147060][T18109] ? __pfx_handle_pte_fault (mm/memory.c:6026) [434.147380][T18109] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [434.147699][T18109] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [434.148030][T18109] ? __handle_mm_fault (mm/memory.c:6212) [434.148350][T18109] ? __pfx___handle_mm_fault (mm/memory.c:6121) [434.148901][T18109] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [434.149240][T18109] __sys_sendmsg (net/socket.c:2700) [434.149555][T18109] ? __pfx___sys_sendmsg (net/socket.c:2685) [434.149879][T18109] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [434.150212][T18109] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [434.150530][T18109] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [434.150869][T18109] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [434.151424][T18109] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 434.152059][T18109] RIP: 0033:0x7f1043f971e7 [ 434.152389][T18109] 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) [ 434.153788][T18109] RSP: 002b:00007ffc75b1cbf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 434.154268][T18109] RAX: ffffffffffffffda RBX: 00007ffc75b1d320 RCX: 00007f1043f971e7 [ 434.154740][T18109] RDX: 0000000000000000 RSI: 00007ffc75b1cc60 RDI: 0000000000000005 [ 434.155232][T18109] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 434.155711][T18109] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc75b1d358 [ 434.156193][T18109] R13: 00000000686e4350 R14: 0000000000499600 R15: 0000000000000000 | [ 434.313276][T18111] ------------[ cut here ]------------ | [434.313595][T18111] WARNING: CPU: 3 PID: 18111 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 434.314267][T18111] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 434.315433][T18111] Tainted: [W]=WARN [ 434.315718][T18111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [434.316139][T18111] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 434.316482][T18111] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 434.317663][T18111] RSP: 0018:ffffc90005f57080 EFLAGS: 00010246 [ 434.318078][T18111] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 434.318568][T18111] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 434.319070][T18111] RBP: ffffc90005f57168 R08: 0000000000000000 R09: 0000000000000000 [ 434.319555][T18111] R10: ffffc90005f57198 R11: ffffffffacca8918 R12: 1ffff92000beae14 [ 434.320054][T18111] R13: 00000000000005dc R14: ffffc90005f57198 R15: ffff888013c02f08 [ 434.320555][T18111] FS: 00007f33d53c5800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 434.321648][T18111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 434.322074][T18111] CR2: 00000000004a1738 CR3: 0000000014a14001 CR4: 0000000000772ef0 [ 434.322579][T18111] PKRU: 55555554 [ 434.322831][T18111] Call Trace: [ 434.323084][T18111] [434.323267][T18111] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [434.323608][T18111] ? mark_held_locks (kernel/locking/lockdep.c:4328) [434.323942][T18111] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [434.324367][T18111] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [434.324699][T18111] netif_set_mtu (net/core/dev.c:9652) [434.325049][T18111] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [434.325389][T18111] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [434.325862][T18111] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [434.326120][T18111] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [434.326575][T18111] br_add_if (net/bridge/br_if.c:697) bridge [434.326953][T18111] do_set_master (net/core/rtnetlink.c:2948) [434.327281][T18111] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [434.327620][T18111] rtnl_newlink_create (net/core/rtnetlink.c:3840) [434.327957][T18111] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [434.328288][T18111] ? __dev_get_by_name (net/core/dev.c:865) [434.328620][T18111] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [434.328979][T18111] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [434.329304][T18111] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [434.329623][T18111] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [434.329954][T18111] __rtnl_newlink (net/core/rtnetlink.c:3942) [434.330284][T18111] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [434.330623][T18111] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [434.330963][T18111] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [434.331282][T18111] ? __lock_release (kernel/locking/lockdep.c:5539) [434.331600][T18111] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [434.331920][T18111] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [434.332236][T18111] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [434.332560][T18111] ? __lock_acquire (kernel/locking/lockdep.c:5240) [434.332894][T18111] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [434.333216][T18111] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [434.333536][T18111] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [434.333872][T18111] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [434.334186][T18111] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [434.334507][T18111] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [434.334834][T18111] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [434.335168][T18111] ? __lock_acquire (kernel/locking/lockdep.c:5240) [434.335496][T18111] netlink_sendmsg (net/netlink/af_netlink.c:1896) [434.335830][T18111] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [434.336157][T18111] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [434.336490][T18111] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [434.336820][T18111] ? __pfx_____sys_sendmsg (net/socket.c:2560) [434.337143][T18111] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [434.337544][T18111] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [434.337882][T18111] ___sys_sendmsg (net/socket.c:2670) [434.338212][T18111] ? __pfx____sys_sendmsg (net/socket.c:2657) [434.338543][T18111] ? __pfx_handle_pte_fault (mm/memory.c:6026) [434.338883][T18111] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [434.339206][T18111] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [434.339527][T18111] ? __handle_mm_fault (mm/memory.c:6212) [434.339859][T18111] ? __pfx___handle_mm_fault (mm/memory.c:6121) [434.340187][T18111] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [434.340524][T18111] __sys_sendmsg (net/socket.c:2700) [434.340873][T18111] ? __pfx___sys_sendmsg (net/socket.c:2685) [434.341193][T18111] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [434.341533][T18111] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [434.341869][T18111] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [434.342195][T18111] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [434.342514][T18111] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 434.342915][T18111] RIP: 0033:0x7f33d55921e7 [ 434.343253][T18111] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 434.344389][T18111] RSP: 002b:00007fffce7ea938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 434.344877][T18111] RAX: ffffffffffffffda RBX: 00007fffce7eb060 RCX: 00007f33d55921e7 [ 434.345361][T18111] RDX: 0000000000000000 RSI: 00007fffce7ea9a0 RDI: 0000000000000005 [ 434.345849][T18111] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 434.346328][T18111] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffce7eb098 [ 434.346811][T18111] R13: 00000000686e4351 R14: 0000000000499600 R15: 0000000000000000 | [ 434.509014][T18113] ------------[ cut here ]------------ | [434.509335][T18113] WARNING: CPU: 3 PID: 18113 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) | [ 434.510010][T18113] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 434.511172][T18113] Tainted: [W]=WARN [ 434.511411][T18113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [434.511824][T18113] 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) [ 434.512150][T18113] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 434.513282][T18113] RSP: 0018:ffffc90007fb7080 EFLAGS: 00010246 [ 434.513689][T18113] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 434.514170][T18113] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 434.514649][T18113] RBP: ffffc90007fb7168 R08: 0000000000000000 R09: 0000000000000000 [ 434.515132][T18113] R10: ffffc90007fb7198 R11: ffffffffacca8918 R12: 1ffff92000ff6e14 [ 434.515607][T18113] R13: 00000000000005dc R14: ffffc90007fb7198 R15: ffff888013c02f08 [ 434.516088][T18113] FS: 00007fc8e9894800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 434.516649][T18113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 434.517059][T18113] CR2: 00000000004a1738 CR3: 000000001356b005 CR4: 0000000000772ef0 [ 434.517535][T18113] PKRU: 55555554 [ 434.517786][T18113] Call Trace: [ 434.518039][T18113] [434.518206][T18113] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [434.518527][T18113] ? mark_held_locks (kernel/locking/lockdep.c:4328) [434.518858][T18113] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [434.519260][T18113] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [434.519580][T18113] netif_set_mtu (net/core/dev.c:9652) [434.519904][T18113] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [434.520236][T18113] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [434.520701][T18113] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [434.520953][T18113] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [434.521391][T18113] br_add_if (net/bridge/br_if.c:697) bridge [434.521762][T18113] do_set_master (net/core/rtnetlink.c:2948) [434.522097][T18113] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [434.522442][T18113] rtnl_newlink_create (net/core/rtnetlink.c:3840) [434.522763][T18113] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [434.523100][T18113] ? __dev_get_by_name (net/core/dev.c:865) [434.523426][T18113] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [434.523740][T18113] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [434.524070][T18113] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [434.524387][T18113] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [434.524717][T18113] __rtnl_newlink (net/core/rtnetlink.c:3942) [434.525058][T18113] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [434.525383][T18113] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [434.525712][T18113] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [434.526042][T18113] ? __lock_release (kernel/locking/lockdep.c:5539) [434.526363][T18113] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [434.526678][T18113] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [434.527003][T18113] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [434.527328][T18113] ? __lock_acquire (kernel/locking/lockdep.c:5240) [434.527657][T18113] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [434.527988][T18113] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [434.528318][T18113] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [434.528646][T18113] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [434.528973][T18113] ? 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) [434.529295][T18113] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [434.529616][T18113] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [434.529936][T18113] ? __lock_acquire (kernel/locking/lockdep.c:5240) [434.530267][T18113] netlink_sendmsg (net/netlink/af_netlink.c:1896) [434.530601][T18113] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [434.530929][T18113] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [434.531258][T18113] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [434.531580][T18113] ? __pfx_____sys_sendmsg (net/socket.c:2560) [434.531916][T18113] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [434.532319][T18113] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [434.532658][T18113] ___sys_sendmsg (net/socket.c:2670) [434.532995][T18113] ? __pfx____sys_sendmsg (net/socket.c:2657) [434.533312][T18113] ? __pfx_handle_pte_fault (mm/memory.c:6026) [434.533627][T18113] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [434.533956][T18113] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [434.534290][T18113] ? __handle_mm_fault (mm/memory.c:6212) [434.534613][T18113] ? __pfx___handle_mm_fault (mm/memory.c:6121) [434.534947][T18113] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [434.535284][T18113] __sys_sendmsg (net/socket.c:2700) [434.535601][T18113] ? __pfx___sys_sendmsg (net/socket.c:2685) [434.535923][T18113] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [434.536249][T18113] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [434.536568][T18113] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [434.536895][T18113] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [434.537216][T18113] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 434.537604][T18113] RIP: 0033:0x7fc8e9a611e7 [ 434.537942][T18113] 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) [ 434.539086][T18113] RSP: 002b:00007ffeb45fe4b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 434.539558][T18113] RAX: ffffffffffffffda RBX: 00007ffeb45febe0 RCX: 00007fc8e9a611e7 [ 434.540032][T18113] RDX: 0000000000000000 RSI: 00007ffeb45fe520 RDI: 0000000000000005 [ 434.540499][T18113] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 434.540989][T18113] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffeb45fec18 [ 434.541454][T18113] R13: 00000000686e4351 R14: 0000000000499600 R15: 0000000000000000 | [ 434.684734][T18115] ------------[ cut here ]------------ | [434.685094][T18115] WARNING: CPU: 0 PID: 18115 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 434.685722][T18115] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 434.686887][T18115] Tainted: [W]=WARN [ 434.687134][T18115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [434.687530][T18115] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 434.687867][T18115] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 434.689003][T18115] RSP: 0018:ffffc90005f57080 EFLAGS: 00010246 [ 434.689407][T18115] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 434.689895][T18115] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 434.690371][T18115] RBP: ffffc90005f57168 R08: 0000000000000000 R09: 0000000000000000 [ 434.690885][T18115] R10: ffffc90005f57198 R11: ffffffffacca8918 R12: 1ffff92000beae14 [ 434.691373][T18115] R13: 00000000000005dc R14: ffffc90005f57198 R15: ffff888013c02f08 [ 434.691866][T18115] FS: 00007fdb0dcc5800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 434.692440][T18115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 434.692858][T18115] CR2: 00007f4efceeee80 CR3: 0000000013f68005 CR4: 0000000000772ef0 [ 434.693335][T18115] PKRU: 55555554 [ 434.693570][T18115] Call Trace: [ 434.693815][T18115] [434.693985][T18115] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [434.694310][T18115] ? mark_held_locks (kernel/locking/lockdep.c:4328) [434.694636][T18115] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [434.695042][T18115] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [434.695369][T18115] netif_set_mtu (net/core/dev.c:9652) [434.695685][T18115] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [434.696041][T18115] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [434.696504][T18115] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [434.696753][T18115] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [434.697225][T18115] br_add_if (net/bridge/br_if.c:697) bridge [434.697594][T18115] do_set_master (net/core/rtnetlink.c:2948) [434.697929][T18115] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [434.698257][T18115] rtnl_newlink_create (net/core/rtnetlink.c:3840) [434.698577][T18115] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [434.698898][T18115] ? __dev_get_by_name (net/core/dev.c:865) [434.699219][T18115] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [434.699534][T18115] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [434.699873][T18115] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [434.700198][T18115] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [434.700521][T18115] __rtnl_newlink (net/core/rtnetlink.c:3942) [434.700881][T18115] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [434.701214][T18115] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [434.701553][T18115] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [434.701892][T18115] ? __lock_release (kernel/locking/lockdep.c:5539) [434.702224][T18115] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [434.702541][T18115] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [434.702870][T18115] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [434.703194][T18115] ? __lock_acquire (kernel/locking/lockdep.c:5240) [434.703522][T18115] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [434.703860][T18115] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [434.704178][T18115] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [434.704520][T18115] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [434.704846][T18115] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [434.705172][T18115] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [434.705510][T18115] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [434.705838][T18115] ? __lock_acquire (kernel/locking/lockdep.c:5240) [434.706161][T18115] netlink_sendmsg (net/netlink/af_netlink.c:1896) [434.706483][T18115] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [434.706811][T18115] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [434.707146][T18115] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [434.707475][T18115] ? __pfx_____sys_sendmsg (net/socket.c:2560) [434.707818][T18115] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [434.708232][T18115] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [434.708562][T18115] ___sys_sendmsg (net/socket.c:2670) [434.708890][T18115] ? __pfx____sys_sendmsg (net/socket.c:2657) [434.709216][T18115] ? __pfx_handle_pte_fault (mm/memory.c:6026) [434.709545][T18115] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [434.709873][T18115] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [434.710197][T18115] ? __handle_mm_fault (mm/memory.c:6212) [434.710513][T18115] ? __pfx___handle_mm_fault (mm/memory.c:6121) [434.710850][T18115] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [434.711184][T18115] __sys_sendmsg (net/socket.c:2700) [434.711504][T18115] ? __pfx___sys_sendmsg (net/socket.c:2685) [434.711833][T18115] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [434.712159][T18115] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [434.712476][T18115] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [434.712839][T18115] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [434.713156][T18115] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 434.713549][T18115] RIP: 0033:0x7fdb0de921e7 [ 434.713960][T18115] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 434.715363][T18115] RSP: 002b:00007ffed5a9bec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 434.715862][T18115] RAX: ffffffffffffffda RBX: 00007ffed5a9c5f0 RCX: 00007fdb0de921e7 [ 434.716337][T18115] RDX: 0000000000000000 RSI: 00007ffed5a9bf30 RDI: 0000000000000005 [ 434.716834][T18115] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 434.717320][T18115] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffed5a9c628 [ 434.717831][T18115] R13: 00000000686e4351 R14: 0000000000499600 R15: 0000000000000000 | [ 434.872630][T18117] ------------[ cut here ]------------ | [434.872989][T18117] WARNING: CPU: 0 PID: 18117 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 434.873613][T18117] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 434.874763][T18117] Tainted: [W]=WARN [ 434.875024][T18117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [434.875417][T18117] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 434.875738][T18117] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 434.876870][T18117] RSP: 0018:ffffc90007fb7080 EFLAGS: 00010246 [ 434.877270][T18117] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 434.877745][T18117] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 434.878250][T18117] RBP: ffffc90007fb7168 R08: 0000000000000000 R09: 0000000000000000 [ 434.878727][T18117] R10: ffffc90007fb7198 R11: ffffffffacca8918 R12: 1ffff92000ff6e14 [ 434.879210][T18117] R13: 00000000000005dc R14: ffffc90007fb7198 R15: ffff888013c02f08 [ 434.879682][T18117] FS: 00007feda0bad800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 434.880254][T18117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 434.880663][T18117] CR2: 00000000004a1738 CR3: 0000000013f68003 CR4: 0000000000772ef0 [ 434.881150][T18117] PKRU: 55555554 [ 434.881390][T18117] Call Trace: [ 434.881624][T18117] [434.881799][T18117] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [434.882130][T18117] ? mark_held_locks (kernel/locking/lockdep.c:4328) [434.882460][T18117] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [434.882871][T18117] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [434.883208][T18117] netif_set_mtu (net/core/dev.c:9652) [434.883529][T18117] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [434.883866][T18117] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [434.884329][T18117] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [434.884568][T18117] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [434.885009][T18117] br_add_if (net/bridge/br_if.c:697) bridge [434.885377][T18117] do_set_master (net/core/rtnetlink.c:2948) [434.885698][T18117] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [434.886028][T18117] rtnl_newlink_create (net/core/rtnetlink.c:3840) [434.886353][T18117] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [434.886670][T18117] ? __dev_get_by_name (net/core/dev.c:865) [434.886995][T18117] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [434.887317][T18117] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [434.887638][T18117] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [434.887966][T18117] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [434.888288][T18117] __rtnl_newlink (net/core/rtnetlink.c:3942) [434.888617][T18117] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [434.888950][T18117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [434.889289][T18117] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [434.889604][T18117] ? __lock_release (kernel/locking/lockdep.c:5539) [434.889941][T18117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [434.890259][T18117] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [434.890590][T18117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [434.890925][T18117] ? __lock_acquire (kernel/locking/lockdep.c:5240) [434.891245][T18117] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [434.891570][T18117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [434.891902][T18117] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [434.892230][T18117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [434.892544][T18117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [434.892871][T18117] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [434.893190][T18117] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [434.893502][T18117] ? __lock_acquire (kernel/locking/lockdep.c:5240) [434.893837][T18117] netlink_sendmsg (net/netlink/af_netlink.c:1896) [434.894162][T18117] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [434.894480][T18117] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [434.894817][T18117] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [434.895146][T18117] ? __pfx_____sys_sendmsg (net/socket.c:2560) [434.895459][T18117] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [434.895861][T18117] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [434.896189][T18117] ___sys_sendmsg (net/socket.c:2670) [434.896515][T18117] ? __pfx____sys_sendmsg (net/socket.c:2657) [434.896837][T18117] ? __pfx_handle_pte_fault (mm/memory.c:6026) [434.897157][T18117] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [434.897480][T18117] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [434.897818][T18117] ? __handle_mm_fault (mm/memory.c:6212) [434.898132][T18117] ? __pfx___handle_mm_fault (mm/memory.c:6121) [434.898451][T18117] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [434.898798][T18117] __sys_sendmsg (net/socket.c:2700) [434.899116][T18117] ? __pfx___sys_sendmsg (net/socket.c:2685) [434.899430][T18117] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [434.899752][T18117] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [434.900085][T18117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [434.900409][T18117] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [434.900738][T18117] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 434.901141][T18117] RIP: 0033:0x7feda0d7a1e7 [ 434.901465][T18117] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 434.902596][T18117] RSP: 002b:00007ffd527522e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 434.903090][T18117] RAX: ffffffffffffffda RBX: 00007ffd52752a10 RCX: 00007feda0d7a1e7 [ 434.903564][T18117] RDX: 0000000000000000 RSI: 00007ffd52752350 RDI: 0000000000000005 [ 434.904042][T18117] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 434.904514][T18117] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd52752a48 [ 434.905008][T18117] R13: 00000000686e4351 R14: 0000000000499600 R15: 0000000000000000 | [ 435.053256][T18119] ------------[ cut here ]------------ | [435.053593][T18119] WARNING: CPU: 2 PID: 18119 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) | [ 435.054256][T18119] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 435.055427][T18119] Tainted: [W]=WARN [ 435.055676][T18119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [435.056100][T18119] 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) [ 435.056441][T18119] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 435.057599][T18119] RSP: 0018:ffffc90003e47080 EFLAGS: 00010246 [ 435.058026][T18119] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 435.058518][T18119] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 435.059010][T18119] RBP: ffffc90003e47168 R08: 0000000000000000 R09: 0000000000000000 [ 435.059499][T18119] R10: ffffc90003e47198 R11: ffffffffacca8918 R12: 1ffff920007c8e14 [ 435.059998][T18119] R13: 00000000000005dc R14: ffffc90003e47198 R15: ffff888013c02f08 [ 435.060488][T18119] FS: 00007f30b3719800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 435.061083][T18119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 435.061506][T18119] CR2: 00007f4efcd29a00 CR3: 00000000145a9001 CR4: 0000000000772ef0 [ 435.062007][T18119] PKRU: 55555554 [ 435.062265][T18119] Call Trace: [ 435.062521][T18119] [435.062700][T18119] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [435.063054][T18119] ? mark_held_locks (kernel/locking/lockdep.c:4328) [435.063401][T18119] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [435.063826][T18119] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [435.064161][T18119] netif_set_mtu (net/core/dev.c:9652) [435.064525][T18119] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [435.064882][T18119] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [435.065342][T18119] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [435.065595][T18119] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [435.066056][T18119] br_add_if (net/bridge/br_if.c:697) bridge [435.066432][T18119] do_set_master (net/core/rtnetlink.c:2948) [435.066779][T18119] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [435.067113][T18119] rtnl_newlink_create (net/core/rtnetlink.c:3840) [435.067452][T18119] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [435.067786][T18119] ? __dev_get_by_name (net/core/dev.c:865) [435.068134][T18119] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [435.068470][T18119] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [435.068823][T18119] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [435.069152][T18119] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [435.069493][T18119] __rtnl_newlink (net/core/rtnetlink.c:3942) [435.069839][T18119] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [435.070183][T18119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [435.070524][T18119] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [435.070873][T18119] ? __lock_release (kernel/locking/lockdep.c:5539) [435.071224][T18119] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [435.071566][T18119] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [435.071941][T18119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [435.072285][T18119] ? __lock_acquire (kernel/locking/lockdep.c:5240) [435.072623][T18119] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [435.072973][T18119] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [435.073305][T18119] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [435.073655][T18119] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [435.073999][T18119] ? 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) [435.074345][T18119] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [435.074688][T18119] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [435.075036][T18119] ? __lock_acquire (kernel/locking/lockdep.c:5240) [435.075376][T18119] netlink_sendmsg (net/netlink/af_netlink.c:1896) [435.075712][T18119] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [435.076062][T18119] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [435.076402][T18119] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [435.076739][T18119] ? __pfx_____sys_sendmsg (net/socket.c:2560) [435.077077][T18119] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [435.077494][T18119] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [435.077845][T18119] ___sys_sendmsg (net/socket.c:2670) [435.078186][T18119] ? __pfx____sys_sendmsg (net/socket.c:2657) [435.078536][T18119] ? __pfx_handle_pte_fault (mm/memory.c:6026) [435.078889][T18119] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [435.079231][T18119] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [435.079577][T18119] ? __handle_mm_fault (mm/memory.c:6212) [435.079924][T18119] ? __pfx___handle_mm_fault (mm/memory.c:6121) [435.080263][T18119] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [435.080621][T18119] __sys_sendmsg (net/socket.c:2700) [435.080969][T18119] ? __pfx___sys_sendmsg (net/socket.c:2685) [435.081301][T18119] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [435.081653][T18119] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [435.082000][T18119] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [435.082353][T18119] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [435.082688][T18119] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 435.083109][T18119] RIP: 0033:0x7f30b38e61e7 [ 435.083459][T18119] 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) [ 435.084623][T18119] RSP: 002b:00007fff17a47698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 435.085137][T18119] RAX: ffffffffffffffda RBX: 00007fff17a47dc0 RCX: 00007f30b38e61e7 [ 435.085631][T18119] RDX: 0000000000000000 RSI: 00007fff17a47700 RDI: 0000000000000005 [ 435.086135][T18119] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 435.086639][T18119] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff17a47df8 [ 435.087135][T18119] R13: 00000000686e4351 R14: 0000000000499600 R15: 0000000000000000 | [ 435.259089][T18122] ------------[ cut here ]------------ | [435.259422][T18122] WARNING: CPU: 2 PID: 18122 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) | [ 435.260116][T18122] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 435.261322][T18122] Tainted: [W]=WARN [ 435.261582][T18122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [435.262007][T18122] 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) [ 435.262354][T18122] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 435.263510][T18122] RSP: 0018:ffffc90007fc7080 EFLAGS: 00010246 [ 435.263951][T18122] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 435.264506][T18122] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 435.265034][T18122] RBP: ffffc90007fc7168 R08: 0000000000000000 R09: 0000000000000000 [ 435.265560][T18122] R10: ffffc90007fc7198 R11: ffffffffacca8918 R12: 1ffff92000ff8e14 [ 435.266084][T18122] R13: 00000000000005dc R14: ffffc90007fc7198 R15: ffff888013c02f08 [ 435.266610][T18122] FS: 00007f76f1c09800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 435.267229][T18122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 435.267667][T18122] CR2: 00000000004a1738 CR3: 00000000095aa005 CR4: 0000000000772ef0 [ 435.268192][T18122] PKRU: 55555554 [ 435.268475][T18122] Call Trace: [ 435.268741][T18122] [435.268940][T18122] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [435.269307][T18122] ? mark_held_locks (kernel/locking/lockdep.c:4328) [435.269654][T18122] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [435.270089][T18122] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [435.270429][T18122] netif_set_mtu (net/core/dev.c:9652) [435.270782][T18122] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [435.271129][T18122] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [435.271597][T18122] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [435.271868][T18122] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [435.272338][T18122] br_add_if (net/bridge/br_if.c:697) bridge [435.272738][T18122] do_set_master (net/core/rtnetlink.c:2948) [435.273091][T18122] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [435.273438][T18122] rtnl_newlink_create (net/core/rtnetlink.c:3840) [435.273776][T18122] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [435.274126][T18122] ? __dev_get_by_name (net/core/dev.c:865) [435.274459][T18122] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [435.274806][T18122] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [435.275169][T18122] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [435.275510][T18122] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [435.275867][T18122] __rtnl_newlink (net/core/rtnetlink.c:3942) [435.276221][T18122] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [435.276559][T18122] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [435.276919][T18122] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [435.277252][T18122] ? __lock_release (kernel/locking/lockdep.c:5539) [435.277588][T18122] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [435.277939][T18122] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [435.278277][T18122] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [435.278618][T18122] ? __lock_acquire (kernel/locking/lockdep.c:5240) [435.278969][T18122] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [435.279310][T18122] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [435.279639][T18122] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [435.279986][T18122] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [435.280328][T18122] ? 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) [435.280683][T18122] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [435.281033][T18122] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [435.281368][T18122] ? __lock_acquire (kernel/locking/lockdep.c:5240) [435.281711][T18122] netlink_sendmsg (net/netlink/af_netlink.c:1896) [435.282076][T18122] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [435.282416][T18122] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [435.282758][T18122] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [435.283107][T18122] ? __pfx_____sys_sendmsg (net/socket.c:2560) [435.283449][T18122] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [435.283879][T18122] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [435.284256][T18122] ___sys_sendmsg (net/socket.c:2670) [435.284600][T18122] ? __pfx____sys_sendmsg (net/socket.c:2657) [435.284954][T18122] ? __pfx_handle_pte_fault (mm/memory.c:6026) [435.285307][T18122] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [435.285643][T18122] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [435.286008][T18122] ? __handle_mm_fault (mm/memory.c:6212) [435.286344][T18122] ? __pfx___handle_mm_fault (mm/memory.c:6121) [435.286677][T18122] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [435.287038][T18122] __sys_sendmsg (net/socket.c:2700) [435.287382][T18122] ? __pfx___sys_sendmsg (net/socket.c:2685) [435.287715][T18122] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [435.288085][T18122] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [435.288437][T18122] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [435.288785][T18122] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [435.289129][T18122] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 435.289549][T18122] RIP: 0033:0x7f76f1dd61e7 [ 435.289941][T18122] 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) [ 435.291122][T18122] RSP: 002b:00007ffe500e0da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 435.291670][T18122] RAX: ffffffffffffffda RBX: 00007ffe500e14d0 RCX: 00007f76f1dd61e7 [ 435.292184][T18122] RDX: 0000000000000000 RSI: 00007ffe500e0e10 RDI: 0000000000000005 [ 435.292694][T18122] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 435.293442][T18122] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe500e1508 [ 435.293940][T18122] R13: 00000000686e4352 R14: 0000000000499600 R15: 0000000000000000 | [ 435.471018][T18123] ------------[ cut here ]------------ | [435.471363][T18123] WARNING: CPU: 2 PID: 18123 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 435.472064][T18123] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 435.473255][T18123] Tainted: [W]=WARN [ 435.473518][T18123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [435.473944][T18123] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 435.474299][T18123] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 435.475475][T18123] RSP: 0018:ffffc90005a67080 EFLAGS: 00010246 [ 435.475908][T18123] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 435.476428][T18123] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 435.476947][T18123] RBP: ffffc90005a67168 R08: 0000000000000000 R09: 0000000000000000 [ 435.477438][T18123] R10: ffffc90005a67198 R11: ffffffffacca8918 R12: 1ffff92000b4ce14 [ 435.477949][T18123] R13: 00000000000005dc R14: ffffc90005a67198 R15: ffff888013c02f08 [ 435.478433][T18123] FS: 00007fa24f2be800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 435.479015][T18123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 435.479434][T18123] CR2: 00000000004a1738 CR3: 0000000012f5e003 CR4: 0000000000772ef0 [ 435.479948][T18123] PKRU: 55555554 [ 435.480205][T18123] Call Trace: [ 435.480462][T18123] [435.480667][T18123] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [435.481025][T18123] ? mark_held_locks (kernel/locking/lockdep.c:4328) [435.481368][T18123] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [435.481799][T18123] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [435.482146][T18123] netif_set_mtu (net/core/dev.c:9652) [435.482485][T18123] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [435.482838][T18123] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [435.483305][T18123] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [435.483571][T18123] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [435.484077][T18123] br_add_if (net/bridge/br_if.c:697) bridge [435.484465][T18123] do_set_master (net/core/rtnetlink.c:2948) [435.484831][T18123] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [435.485187][T18123] rtnl_newlink_create (net/core/rtnetlink.c:3840) [435.485537][T18123] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [435.485894][T18123] ? __dev_get_by_name (net/core/dev.c:865) [435.486238][T18123] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [435.486573][T18123] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [435.486928][T18123] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [435.487257][T18123] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [435.487601][T18123] __rtnl_newlink (net/core/rtnetlink.c:3942) [435.487971][T18123] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [435.488311][T18123] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [435.488660][T18123] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [435.489008][T18123] ? __lock_release (kernel/locking/lockdep.c:5539) [435.489358][T18123] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [435.489694][T18123] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [435.490042][T18123] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [435.490378][T18123] ? __lock_acquire (kernel/locking/lockdep.c:5240) [435.490732][T18123] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [435.491079][T18123] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [435.491414][T18123] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [435.491765][T18123] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [435.492128][T18123] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [435.492474][T18123] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [435.492829][T18123] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [435.493172][T18123] ? __lock_acquire (kernel/locking/lockdep.c:5240) [435.493514][T18123] netlink_sendmsg (net/netlink/af_netlink.c:1896) [435.493869][T18123] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [435.494208][T18123] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [435.494551][T18123] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [435.494908][T18123] ? __pfx_____sys_sendmsg (net/socket.c:2560) [435.495241][T18123] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [435.495670][T18123] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [435.496026][T18123] ___sys_sendmsg (net/socket.c:2670) [435.496365][T18123] ? __pfx____sys_sendmsg (net/socket.c:2657) [435.496707][T18123] ? __pfx_handle_pte_fault (mm/memory.c:6026) [435.497060][T18123] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [435.497402][T18123] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [435.497745][T18123] ? __handle_mm_fault (mm/memory.c:6212) [435.498088][T18123] ? __pfx___handle_mm_fault (mm/memory.c:6121) [435.498419][T18123] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [435.498778][T18123] __sys_sendmsg (net/socket.c:2700) [435.499117][T18123] ? __pfx___sys_sendmsg (net/socket.c:2685) [435.499455][T18123] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [435.499815][T18123] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [435.500168][T18123] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [435.500516][T18123] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [435.500880][T18123] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 435.501290][T18123] RIP: 0033:0x7fa24f48b1e7 [ 435.501634][T18123] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 435.502808][T18123] RSP: 002b:00007ffd17375b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 435.503308][T18123] RAX: ffffffffffffffda RBX: 00007ffd173762c0 RCX: 00007fa24f48b1e7 [ 435.503809][T18123] RDX: 0000000000000000 RSI: 00007ffd17375c00 RDI: 0000000000000005 [ 435.504329][T18123] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 435.504843][T18123] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd173762f8 [ 435.505340][T18123] R13: 00000000686e4352 R14: 0000000000499600 R15: 0000000000000000 | [ 435.679353][T18126] ------------[ cut here ]------------ | [435.679697][T18126] WARNING: CPU: 2 PID: 18126 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) | [ 435.680404][T18126] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 435.681622][T18126] Tainted: [W]=WARN [ 435.681890][T18126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [435.682312][T18126] 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) [ 435.682655][T18126] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 435.683824][T18126] RSP: 0018:ffffc90003de7080 EFLAGS: 00010246 [ 435.684251][T18126] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 435.684745][T18126] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 435.685253][T18126] RBP: ffffc90003de7168 R08: 0000000000000000 R09: 0000000000000000 [ 435.685748][T18126] R10: ffffc90003de7198 R11: ffffffffacca8918 R12: 1ffff920007bce14 [ 435.686250][T18126] R13: 00000000000005dc R14: ffffc90003de7198 R15: ffff888013c02f08 [ 435.686761][T18126] FS: 00007fa32b595800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 435.687348][T18126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 435.687779][T18126] CR2: 00000000004a1738 CR3: 0000000010b61001 CR4: 0000000000772ef0 [ 435.688284][T18126] PKRU: 55555554 [ 435.688533][T18126] Call Trace: [ 435.688798][T18126] [435.688980][T18126] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [435.689323][T18126] ? mark_held_locks (kernel/locking/lockdep.c:4328) [435.689660][T18126] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [435.690090][T18126] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [435.690424][T18126] netif_set_mtu (net/core/dev.c:9652) [435.690781][T18126] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [435.691127][T18126] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [435.691599][T18126] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [435.691874][T18126] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [435.692332][T18126] br_add_if (net/bridge/br_if.c:697) bridge [435.692717][T18126] do_set_master (net/core/rtnetlink.c:2948) [435.693071][T18126] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [435.693430][T18126] rtnl_newlink_create (net/core/rtnetlink.c:3840) [435.693782][T18126] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [435.694115][T18126] ? __dev_get_by_name (net/core/dev.c:865) [435.694457][T18126] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [435.694811][T18126] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [435.695159][T18126] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [435.695543][T18126] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [435.695929][T18126] __rtnl_newlink (net/core/rtnetlink.c:3942) [435.696310][T18126] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [435.696651][T18126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [435.697016][T18126] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [435.697350][T18126] ? __lock_release (kernel/locking/lockdep.c:5539) [435.697691][T18126] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [435.698038][T18126] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [435.698374][T18126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [435.698715][T18126] ? __lock_acquire (kernel/locking/lockdep.c:5240) [435.699069][T18126] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [435.699412][T18126] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [435.699749][T18126] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [435.700111][T18126] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [435.700449][T18126] ? 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) [435.700801][T18126] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [435.701143][T18126] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [435.701476][T18126] ? __lock_acquire (kernel/locking/lockdep.c:5240) [435.701832][T18126] netlink_sendmsg (net/netlink/af_netlink.c:1896) [435.702176][T18126] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [435.702510][T18126] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [435.702868][T18126] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [435.703213][T18126] ? __pfx_____sys_sendmsg (net/socket.c:2560) [435.703568][T18126] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [435.703998][T18126] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [435.704331][T18126] ___sys_sendmsg (net/socket.c:2670) [435.704666][T18126] ? __pfx____sys_sendmsg (net/socket.c:2657) [435.705000][T18126] ? __pfx_handle_pte_fault (mm/memory.c:6026) [435.705331][T18126] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [435.705655][T18126] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [435.705998][T18126] ? __handle_mm_fault (mm/memory.c:6212) [435.706324][T18126] ? __pfx___handle_mm_fault (mm/memory.c:6121) [435.706655][T18126] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [435.707032][T18126] __sys_sendmsg (net/socket.c:2700) [435.707390][T18126] ? __pfx___sys_sendmsg (net/socket.c:2685) [435.707714][T18126] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [435.708062][T18126] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [435.708398][T18126] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [435.708729][T18126] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [435.709068][T18126] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 435.709470][T18126] RIP: 0033:0x7fa32b7621e7 [ 435.709817][T18126] 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) [ 435.711022][T18126] RSP: 002b:00007ffc1ec31918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 435.711512][T18126] RAX: ffffffffffffffda RBX: 00007ffc1ec32040 RCX: 00007fa32b7621e7 [ 435.712008][T18126] RDX: 0000000000000000 RSI: 00007ffc1ec31980 RDI: 0000000000000005 [ 435.712515][T18126] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 435.713019][T18126] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc1ec32078 [ 435.713510][T18126] R13: 00000000686e4352 R14: 0000000000499600 R15: 0000000000000000 | [ 435.879970][T18128] ------------[ cut here ]------------ | [435.880310][T18128] WARNING: CPU: 0 PID: 18128 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) | [ 435.881058][T18128] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 435.882301][T18128] Tainted: [W]=WARN [ 435.882568][T18128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [435.883007][T18128] 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) [ 435.883357][T18128] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 435.884566][T18128] RSP: 0018:ffffc90008517080 EFLAGS: 00010246 [ 435.885011][T18128] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 435.885518][T18128] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 435.886041][T18128] RBP: ffffc90008517168 R08: 0000000000000000 R09: 0000000000000000 [ 435.886544][T18128] R10: ffffc90008517198 R11: ffffffffacca8918 R12: 1ffff920010a2e14 [ 435.887061][T18128] R13: 00000000000005dc R14: ffffc90008517198 R15: ffff888013c02f08 [ 435.887566][T18128] FS: 00007f70fb180800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 435.888173][T18128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 435.888592][T18128] CR2: 00000000004a1738 CR3: 0000000012e15006 CR4: 0000000000772ef0 [ 435.889117][T18128] PKRU: 55555554 [ 435.889373][T18128] Call Trace: [ 435.889627][T18128] [435.889813][T18128] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [435.890159][T18128] ? mark_held_locks (kernel/locking/lockdep.c:4328) [435.890507][T18128] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [435.890960][T18128] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [435.891299][T18128] netif_set_mtu (net/core/dev.c:9652) [435.891635][T18128] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [435.891996][T18128] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [435.892470][T18128] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [435.892726][T18128] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [435.893196][T18128] br_add_if (net/bridge/br_if.c:697) bridge [435.893571][T18128] do_set_master (net/core/rtnetlink.c:2948) [435.893922][T18128] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [435.894266][T18128] rtnl_newlink_create (net/core/rtnetlink.c:3840) [435.894609][T18128] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [435.894955][T18128] ? __dev_get_by_name (net/core/dev.c:865) [435.895296][T18128] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [435.895636][T18128] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [435.895988][T18128] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [435.896327][T18128] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [435.896665][T18128] __rtnl_newlink (net/core/rtnetlink.c:3942) [435.897025][T18128] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [435.897369][T18128] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [435.897719][T18128] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [435.898061][T18128] ? __lock_release (kernel/locking/lockdep.c:5539) [435.898400][T18128] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [435.898743][T18128] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [435.899112][T18128] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [435.899457][T18128] ? __lock_acquire (kernel/locking/lockdep.c:5240) [435.899819][T18128] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [435.900169][T18128] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [435.900509][T18128] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [435.900900][T18128] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [435.901255][T18128] ? 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) [435.901602][T18128] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [435.901963][T18128] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [435.902301][T18128] ? __lock_acquire (kernel/locking/lockdep.c:5240) [435.902647][T18128] netlink_sendmsg (net/netlink/af_netlink.c:1896) [435.903007][T18128] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [435.903346][T18128] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [435.903703][T18128] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [435.904056][T18128] ? __pfx_____sys_sendmsg (net/socket.c:2560) [435.904394][T18128] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [435.904835][T18128] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [435.905184][T18128] ___sys_sendmsg (net/socket.c:2670) [435.905525][T18128] ? __pfx____sys_sendmsg (net/socket.c:2657) [435.905878][T18128] ? __pfx_handle_pte_fault (mm/memory.c:6026) [435.906224][T18128] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [435.906563][T18128] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [435.906920][T18128] ? __handle_mm_fault (mm/memory.c:6212) [435.907260][T18128] ? __pfx___handle_mm_fault (mm/memory.c:6121) [435.907596][T18128] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [435.907962][T18128] __sys_sendmsg (net/socket.c:2700) [435.908297][T18128] ? __pfx___sys_sendmsg (net/socket.c:2685) [435.908633][T18128] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [435.908999][T18128] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [435.909348][T18128] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [435.909699][T18128] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [435.910063][T18128] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 435.910485][T18128] RIP: 0033:0x7f70fb34d1e7 [ 435.910860][T18128] 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) [ 435.912086][T18128] RSP: 002b:00007ffd8d264088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 435.912595][T18128] RAX: ffffffffffffffda RBX: 00007ffd8d2647b0 RCX: 00007f70fb34d1e7 [ 435.913122][T18128] RDX: 0000000000000000 RSI: 00007ffd8d2640f0 RDI: 0000000000000005 [ 435.913637][T18128] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 435.914168][T18128] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd8d2647e8 [ 435.914680][T18128] R13: 00000000686e4352 R14: 0000000000499600 R15: 0000000000000000 | [ 436.048545][T18129] ------------[ cut here ]------------ | [436.048931][T18129] WARNING: CPU: 0 PID: 18129 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) | [ 436.049588][T18129] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 436.050825][T18129] Tainted: [W]=WARN [ 436.051078][T18129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [436.051491][T18129] 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) [ 436.051844][T18129] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 436.053202][T18129] RSP: 0018:ffffc90008507080 EFLAGS: 00010246 [ 436.053625][T18129] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 436.054278][T18129] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 436.054926][T18129] RBP: ffffc90008507168 R08: 0000000000000000 R09: 0000000000000000 [ 436.055433][T18129] R10: ffffc90008507198 R11: ffffffffacca8918 R12: 1ffff920010a0e14 [ 436.056076][T18129] R13: 00000000000005dc R14: ffffc90008507198 R15: ffff888013c02f08 [ 436.056574][T18129] FS: 00007fab8d98a800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 436.057181][T18129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 436.057604][T18129] CR2: 00000000004a1738 CR3: 00000000108dd005 CR4: 0000000000772ef0 [ 436.058116][T18129] PKRU: 55555554 [ 436.058369][T18129] Call Trace: [ 436.058621][T18129] [436.058803][T18129] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [436.059143][T18129] ? mark_held_locks (kernel/locking/lockdep.c:4328) [436.059477][T18129] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [436.059900][T18129] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [436.060235][T18129] netif_set_mtu (net/core/dev.c:9652) [436.060562][T18129] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [436.060922][T18129] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [436.061381][T18129] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [436.061631][T18129] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [436.062086][T18129] br_add_if (net/bridge/br_if.c:697) bridge [436.062463][T18129] do_set_master (net/core/rtnetlink.c:2948) [436.062800][T18129] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [436.063138][T18129] rtnl_newlink_create (net/core/rtnetlink.c:3840) [436.063468][T18129] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [436.063799][T18129] ? __dev_get_by_name (net/core/dev.c:865) [436.064132][T18129] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [436.064460][T18129] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [436.064805][T18129] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [436.065129][T18129] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [436.065464][T18129] __rtnl_newlink (net/core/rtnetlink.c:3942) [436.065815][T18129] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [436.066152][T18129] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [436.066495][T18129] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [436.066834][T18129] ? __lock_release (kernel/locking/lockdep.c:5539) [436.067169][T18129] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [436.067499][T18129] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [436.067837][T18129] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [436.068169][T18129] ? __lock_acquire (kernel/locking/lockdep.c:5240) [436.068507][T18129] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [436.068843][T18129] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [436.069176][T18129] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [436.069521][T18129] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [436.069858][T18129] ? 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) [436.070188][T18129] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [436.070518][T18129] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [436.070861][T18129] ? __lock_acquire (kernel/locking/lockdep.c:5240) [436.071194][T18129] netlink_sendmsg (net/netlink/af_netlink.c:1896) [436.071526][T18129] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [436.071861][T18129] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [436.072200][T18129] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [436.072531][T18129] ? __pfx_____sys_sendmsg (net/socket.c:2560) [436.072870][T18129] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [436.073295][T18129] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [436.073630][T18129] ___sys_sendmsg (net/socket.c:2670) [436.073971][T18129] ? __pfx____sys_sendmsg (net/socket.c:2657) [436.074307][T18129] ? __pfx_handle_pte_fault (mm/memory.c:6026) [436.074661][T18129] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [436.075010][T18129] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [436.075345][T18129] ? __handle_mm_fault (mm/memory.c:6212) [436.075673][T18129] ? __pfx___handle_mm_fault (mm/memory.c:6121) [436.076011][T18129] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [436.076358][T18129] __sys_sendmsg (net/socket.c:2700) [436.076693][T18129] ? __pfx___sys_sendmsg (net/socket.c:2685) [436.077035][T18129] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [436.077372][T18129] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [436.077710][T18129] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [436.078048][T18129] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [436.078376][T18129] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 436.078790][T18129] RIP: 0033:0x7fab8db571e7 [ 436.079135][T18129] 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) [ 436.080826][T18129] RSP: 002b:00007fff9f4514d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 436.081329][T18129] RAX: ffffffffffffffda RBX: 00007fff9f451c00 RCX: 00007fab8db571e7 [ 436.081842][T18129] RDX: 0000000000000000 RSI: 00007fff9f451540 RDI: 0000000000000005 [ 436.082336][T18129] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 436.082831][T18129] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff9f451c38 [ 436.083315][T18129] R13: 00000000686e4352 R14: 0000000000499600 R15: 0000000000000000 | [ 436.268162][T18132] ------------[ cut here ]------------ | [436.268540][T18132] WARNING: CPU: 1 PID: 18132 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 436.269340][T18132] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 436.270666][T18132] Tainted: [W]=WARN [ 436.271065][T18132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [436.271472][T18132] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 436.271959][T18132] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 436.273149][T18132] RSP: 0000:ffffc900084f7080 EFLAGS: 00010246 [ 436.273566][T18132] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 436.274071][T18132] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 436.274556][T18132] RBP: ffffc900084f7168 R08: 0000000000000000 R09: 0000000000000000 [ 436.275051][T18132] R10: ffffc900084f7198 R11: ffffffffacca8918 R12: 1ffff9200109ee14 [ 436.275532][T18132] R13: 00000000000005dc R14: ffffc900084f7198 R15: ffff888013c02f08 [ 436.276040][T18132] FS: 00007fb7790ad800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 436.276609][T18132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 436.277039][T18132] CR2: 00007f4efceb5d00 CR3: 0000000004f5b003 CR4: 0000000000772ef0 [ 436.277532][T18132] PKRU: 55555554 [ 436.277790][T18132] Call Trace: [ 436.278040][T18132] [436.278211][T18132] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [436.278541][T18132] ? mark_held_locks (kernel/locking/lockdep.c:4328) [436.278878][T18132] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [436.279284][T18132] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [436.279625][T18132] netif_set_mtu (net/core/dev.c:9652) [436.279963][T18132] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [436.280306][T18132] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [436.280782][T18132] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [436.281032][T18132] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [436.281482][T18132] br_add_if (net/bridge/br_if.c:697) bridge [436.281868][T18132] do_set_master (net/core/rtnetlink.c:2948) [436.282197][T18132] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [436.282525][T18132] rtnl_newlink_create (net/core/rtnetlink.c:3840) [436.282864][T18132] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [436.283194][T18132] ? __dev_get_by_name (net/core/dev.c:865) [436.283520][T18132] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [436.283855][T18132] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [436.284194][T18132] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [436.284521][T18132] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [436.284874][T18132] __rtnl_newlink (net/core/rtnetlink.c:3942) [436.285218][T18132] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [436.285550][T18132] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [436.285898][T18132] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [436.286222][T18132] ? __lock_release (kernel/locking/lockdep.c:5539) [436.286550][T18132] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [436.286890][T18132] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [436.287216][T18132] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [436.287552][T18132] ? __lock_acquire (kernel/locking/lockdep.c:5240) [436.287895][T18132] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [436.288225][T18132] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [436.288551][T18132] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [436.288899][T18132] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [436.289222][T18132] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [436.289552][T18132] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [436.289899][T18132] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [436.290234][T18132] ? __lock_acquire (kernel/locking/lockdep.c:5240) [436.290571][T18132] netlink_sendmsg (net/netlink/af_netlink.c:1896) [436.290929][T18132] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [436.291256][T18132] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [436.291592][T18132] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [436.291931][T18132] ? __pfx_____sys_sendmsg (net/socket.c:2560) [436.292256][T18132] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [436.292664][T18132] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [436.293006][T18132] ___sys_sendmsg (net/socket.c:2670) [436.293334][T18132] ? __pfx____sys_sendmsg (net/socket.c:2657) [436.293670][T18132] ? __pfx_handle_pte_fault (mm/memory.c:6026) [436.294020][T18132] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [436.294356][T18132] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [436.294689][T18132] ? __handle_mm_fault (mm/memory.c:6212) [436.295036][T18132] ? __pfx___handle_mm_fault (mm/memory.c:6121) [436.295371][T18132] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [436.295712][T18132] __sys_sendmsg (net/socket.c:2700) [436.296047][T18132] ? __pfx___sys_sendmsg (net/socket.c:2685) [436.296372][T18132] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [436.296703][T18132] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [436.297042][T18132] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [436.297373][T18132] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [436.297706][T18132] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 436.298123][T18132] RIP: 0033:0x7fb77927a1e7 [ 436.298462][T18132] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 436.299623][T18132] RSP: 002b:00007ffe9c542fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 436.300130][T18132] RAX: ffffffffffffffda RBX: 00007ffe9c543710 RCX: 00007fb77927a1e7 [ 436.300624][T18132] RDX: 0000000000000000 RSI: 00007ffe9c543050 RDI: 0000000000000005 [ 436.301120][T18132] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 436.301605][T18132] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe9c543748 [ 436.302113][T18132] R13: 00000000686e4353 R14: 0000000000499600 R15: 0000000000000000 | [ 436.473471][T18134] ------------[ cut here ]------------ | [436.473853][T18134] WARNING: CPU: 0 PID: 18134 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) | [ 436.474509][T18134] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 436.475707][T18134] Tainted: [W]=WARN [ 436.475973][T18134] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [436.476388][T18134] 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) [ 436.476731][T18134] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 436.477917][T18134] RSP: 0018:ffffc900084f7080 EFLAGS: 00010246 [ 436.478342][T18134] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 436.478845][T18134] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 436.479343][T18134] RBP: ffffc900084f7168 R08: 0000000000000000 R09: 0000000000000000 [ 436.479859][T18134] R10: ffffc900084f7198 R11: ffffffffacca8918 R12: 1ffff9200109ee14 [ 436.480352][T18134] R13: 00000000000005dc R14: ffffc900084f7198 R15: ffff888013c02f08 [ 436.480874][T18134] FS: 00007fa531f42800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 436.481455][T18134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 436.481882][T18134] CR2: 00000000004a1738 CR3: 0000000004cdd006 CR4: 0000000000772ef0 [ 436.482386][T18134] PKRU: 55555554 [ 436.482639][T18134] Call Trace: [ 436.482899][T18134] [436.483073][T18134] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [436.483414][T18134] ? mark_held_locks (kernel/locking/lockdep.c:4328) [436.483749][T18134] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [436.484179][T18134] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [436.484517][T18134] netif_set_mtu (net/core/dev.c:9652) [436.484866][T18134] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [436.485226][T18134] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [436.485690][T18134] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [436.485951][T18134] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [436.486406][T18134] br_add_if (net/bridge/br_if.c:697) bridge [436.486796][T18134] do_set_master (net/core/rtnetlink.c:2948) [436.487129][T18134] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [436.487467][T18134] rtnl_newlink_create (net/core/rtnetlink.c:3840) [436.487820][T18134] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [436.488153][T18134] ? __dev_get_by_name (net/core/dev.c:865) [436.488490][T18134] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [436.488839][T18134] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [436.489185][T18134] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [436.489532][T18134] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [436.489887][T18134] __rtnl_newlink (net/core/rtnetlink.c:3942) [436.490232][T18134] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [436.490573][T18134] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [436.490959][T18134] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [436.491294][T18134] ? __lock_release (kernel/locking/lockdep.c:5539) [436.491628][T18134] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [436.491967][T18134] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [436.492315][T18134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [436.492654][T18134] ? __lock_acquire (kernel/locking/lockdep.c:5240) [436.493004][T18134] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [436.493342][T18134] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [436.493680][T18134] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [436.494036][T18134] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [436.494365][T18134] ? 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) [436.494707][T18134] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [436.495063][T18134] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [436.495417][T18134] ? __lock_acquire (kernel/locking/lockdep.c:5240) [436.496000][T18134] netlink_sendmsg (net/netlink/af_netlink.c:1896) [436.496335][T18134] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [436.496672][T18134] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [436.497254][T18134] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [436.497588][T18134] ? __pfx_____sys_sendmsg (net/socket.c:2560) [436.497929][T18134] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [436.498350][T18134] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [436.498685][T18134] ___sys_sendmsg (net/socket.c:2670) [436.499026][T18134] ? __pfx____sys_sendmsg (net/socket.c:2657) [436.499356][T18134] ? __pfx_handle_pte_fault (mm/memory.c:6026) [436.499928][T18134] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [436.500257][T18134] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [436.500596][T18134] ? __handle_mm_fault (mm/memory.c:6212) [436.500941][T18134] ? __pfx___handle_mm_fault (mm/memory.c:6121) [436.501283][T18134] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [436.501635][T18134] __sys_sendmsg (net/socket.c:2700) [436.501973][T18134] ? __pfx___sys_sendmsg (net/socket.c:2685) [436.502313][T18134] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [436.502895][T18134] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [436.503240][T18134] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [436.503571][T18134] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [436.503905][T18134] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 436.504312][T18134] RIP: 0033:0x7fa53210f1e7 [ 436.504657][T18134] 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) [ 436.505843][T18134] RSP: 002b:00007fff72edd808 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 436.506338][T18134] RAX: ffffffffffffffda RBX: 00007fff72eddf30 RCX: 00007fa53210f1e7 [ 436.506838][T18134] RDX: 0000000000000000 RSI: 00007fff72edd870 RDI: 0000000000000005 [ 436.507327][T18134] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 436.507840][T18134] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fff72eddf68 [ 436.508333][T18134] R13: 00000000686e4353 R14: 0000000000499600 R15: 0000000000000000 | [ 436.676863][T18135] ------------[ cut here ]------------ | [436.677204][T18135] WARNING: CPU: 1 PID: 18135 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 436.677924][T18135] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 436.679340][T18135] Tainted: [W]=WARN [ 436.679595][T18135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [436.680236][T18135] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 436.680578][T18135] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 436.681925][T18135] RSP: 0018:ffffc90003df7080 EFLAGS: 00010246 [ 436.682341][T18135] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 436.682998][T18135] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 436.683493][T18135] RBP: ffffc90003df7168 R08: 0000000000000000 R09: 0000000000000000 [ 436.684154][T18135] R10: ffffc90003df7198 R11: ffffffffacca8918 R12: 1ffff920007bee14 [ 436.684650][T18135] R13: 00000000000005dc R14: ffffc90003df7198 R15: ffff888013c02f08 [ 436.685299][T18135] FS: 00007f656a1dc800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000 [ 436.686035][T18135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 436.686454][T18135] CR2: 00000000004a1738 CR3: 00000000139de005 CR4: 0000000000772ef0 [ 436.687011][T18135] PKRU: 55555554 [ 436.687260][T18135] Call Trace: [ 436.687508][T18135] [436.687676][T18135] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [436.688025][T18135] ? __pfx___schedule (kernel/sched/core.c:6662) [436.688366][T18135] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [436.688787][T18135] netif_set_mtu (net/core/dev.c:9652) [436.689121][T18135] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [436.689463][T18135] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [436.689710][T18135] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [436.690181][T18135] br_add_if (net/bridge/br_if.c:697) bridge [436.690560][T18135] do_set_master (net/core/rtnetlink.c:2948) [436.690913][T18135] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [436.691247][T18135] rtnl_newlink_create (net/core/rtnetlink.c:3840) [436.691575][T18135] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [436.691910][T18135] ? __dev_get_by_name (net/core/dev.c:865) [436.692235][T18135] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [436.692563][T18135] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [436.692902][T18135] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [436.693227][T18135] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [436.693563][T18135] __rtnl_newlink (net/core/rtnetlink.c:3942) [436.693918][T18135] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [436.694251][T18135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [436.694595][T18135] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [436.694939][T18135] ? __lock_release (kernel/locking/lockdep.c:5539) [436.695273][T18135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [436.695597][T18135] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [436.695947][T18135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [436.696284][T18135] ? __lock_acquire (kernel/locking/lockdep.c:5240) [436.696615][T18135] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [436.696960][T18135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [436.697284][T18135] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [436.697623][T18135] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [436.697965][T18135] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [436.698292][T18135] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [436.698624][T18135] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [436.698969][T18135] ? __lock_acquire (kernel/locking/lockdep.c:5240) [436.699309][T18135] netlink_sendmsg (net/netlink/af_netlink.c:1896) [436.699637][T18135] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [436.699978][T18135] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [436.700320][T18135] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [436.700662][T18135] ? __pfx_____sys_sendmsg (net/socket.c:2560) [436.700998][T18135] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [436.701409][T18135] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [436.701745][T18135] ___sys_sendmsg (net/socket.c:2670) [436.702082][T18135] ? __pfx____sys_sendmsg (net/socket.c:2657) [436.702407][T18135] ? __pfx_handle_pte_fault (mm/memory.c:6026) [436.702735][T18135] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [436.703089][T18135] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [436.703422][T18135] ? __handle_mm_fault (mm/memory.c:6212) [436.703766][T18135] ? __pfx___handle_mm_fault (mm/memory.c:6121) [436.704104][T18135] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [436.704460][T18135] __sys_sendmsg (net/socket.c:2700) [436.704813][T18135] ? __pfx___sys_sendmsg (net/socket.c:2685) [436.705143][T18135] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [436.705489][T18135] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [436.705828][T18135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [436.706158][T18135] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [436.706501][T18135] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 436.706933][T18135] RIP: 0033:0x7f656a3a91e7 [ 436.707275][T18135] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 436.708450][T18135] RSP: 002b:00007ffd162f2aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 436.708953][T18135] RAX: ffffffffffffffda RBX: 00007ffd162f31d0 RCX: 00007f656a3a91e7 [ 436.709452][T18135] RDX: 0000000000000000 RSI: 00007ffd162f2b10 RDI: 0000000000000005 [ 436.709950][T18135] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 436.710443][T18135] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd162f3208 [ 436.710965][T18135] R13: 00000000686e4353 R14: 0000000000499600 R15: 0000000000000000 | [ 436.883112][T18138] ------------[ cut here ]------------ | [436.883447][T18138] WARNING: CPU: 3 PID: 18138 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) | [ 436.884199][T18138] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 436.885416][T18138] Tainted: [W]=WARN [ 436.885674][T18138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [436.886120][T18138] 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) [ 436.886468][T18138] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 436.887693][T18138] RSP: 0018:ffffc900084e7080 EFLAGS: 00010246 [ 436.888130][T18138] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 436.888653][T18138] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 436.889179][T18138] RBP: ffffc900084e7168 R08: 0000000000000000 R09: 0000000000000000 [ 436.889689][T18138] R10: ffffc900084e7198 R11: ffffffffacca8918 R12: 1ffff9200109ce14 [ 436.890220][T18138] R13: 00000000000005dc R14: ffffc900084e7198 R15: ffff888013c02f08 [ 436.890756][T18138] FS: 00007f50bfd4e800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 436.891372][T18138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 436.891823][T18138] CR2: 00000000004a1738 CR3: 00000000131a8005 CR4: 0000000000772ef0 [ 436.892335][T18138] PKRU: 55555554 [ 436.892589][T18138] Call Trace: [ 436.892856][T18138] [436.893034][T18138] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [436.893396][T18138] ? mark_held_locks (kernel/locking/lockdep.c:4328) [436.893737][T18138] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [436.894162][T18138] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [436.894502][T18138] netif_set_mtu (net/core/dev.c:9652) [436.894859][T18138] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [436.895204][T18138] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [436.895666][T18138] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [436.895924][T18138] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [436.896376][T18138] br_add_if (net/bridge/br_if.c:697) bridge [436.896762][T18138] do_set_master (net/core/rtnetlink.c:2948) [436.897110][T18138] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [436.897443][T18138] rtnl_newlink_create (net/core/rtnetlink.c:3840) [436.897789][T18138] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [436.898122][T18138] ? __dev_get_by_name (net/core/dev.c:865) [436.898464][T18138] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [436.898802][T18138] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [436.899141][T18138] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [436.899464][T18138] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [436.899808][T18138] __rtnl_newlink (net/core/rtnetlink.c:3942) [436.900152][T18138] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [436.900487][T18138] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [436.900852][T18138] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [436.901180][T18138] ? __lock_release (kernel/locking/lockdep.c:5539) [436.901514][T18138] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [436.901857][T18138] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [436.902194][T18138] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [436.902531][T18138] ? __lock_acquire (kernel/locking/lockdep.c:5240) [436.902882][T18138] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [436.903215][T18138] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [436.903547][T18138] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [436.903897][T18138] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [436.904229][T18138] ? 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) [436.904566][T18138] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [436.904914][T18138] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [436.905252][T18138] ? __lock_acquire (kernel/locking/lockdep.c:5240) [436.905599][T18138] netlink_sendmsg (net/netlink/af_netlink.c:1896) [436.905948][T18138] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [436.906281][T18138] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [436.906623][T18138] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [436.906969][T18138] ? __pfx_____sys_sendmsg (net/socket.c:2560) [436.907298][T18138] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [436.907715][T18138] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [436.908064][T18138] ___sys_sendmsg (net/socket.c:2670) [436.908406][T18138] ? __pfx____sys_sendmsg (net/socket.c:2657) [436.908750][T18138] ? __pfx_handle_pte_fault (mm/memory.c:6026) [436.909105][T18138] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [436.909433][T18138] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [436.909781][T18138] ? __handle_mm_fault (mm/memory.c:6212) [436.910121][T18138] ? __pfx___handle_mm_fault (mm/memory.c:6121) [436.910455][T18138] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [436.910829][T18138] __sys_sendmsg (net/socket.c:2700) [436.911167][T18138] ? __pfx___sys_sendmsg (net/socket.c:2685) [436.911496][T18138] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [436.911849][T18138] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [436.912195][T18138] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [436.912531][T18138] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [436.912867][T18138] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 436.913278][T18138] RIP: 0033:0x7f50bff1b1e7 [ 436.913615][T18138] 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) [ 436.914811][T18138] RSP: 002b:00007ffe7ada5ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 436.915310][T18138] RAX: ffffffffffffffda RBX: 00007ffe7ada6210 RCX: 00007f50bff1b1e7 [ 436.916045][T18138] RDX: 0000000000000000 RSI: 00007ffe7ada5b50 RDI: 0000000000000005 [ 436.916786][T18138] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 436.917283][T18138] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe7ada6248 [ 436.917778][T18138] R13: 00000000686e4353 R14: 0000000000499600 R15: 0000000000000000 | [ 437.088556][T18139] ------------[ cut here ]------------ | [437.088962][T18139] WARNING: CPU: 2 PID: 18139 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 437.089638][T18139] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 437.090866][T18139] Tainted: [W]=WARN [ 437.091131][T18139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [437.091559][T18139] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 437.091922][T18139] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 437.093108][T18139] RSP: 0018:ffffc900084f7080 EFLAGS: 00010246 [ 437.093530][T18139] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 437.094043][T18139] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 437.094553][T18139] RBP: ffffc900084f7168 R08: 0000000000000000 R09: 0000000000000000 [ 437.095062][T18139] R10: ffffc900084f7198 R11: ffffffffacca8918 R12: 1ffff9200109ee14 [ 437.095556][T18139] R13: 00000000000005dc R14: ffffc900084f7198 R15: ffff888013c02f08 [ 437.096062][T18139] FS: 00007fea32df0800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 437.096655][T18139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 437.097127][T18139] CR2: 00000000004a1738 CR3: 000000000c21d006 CR4: 0000000000772ef0 [ 437.097643][T18139] PKRU: 55555554 [ 437.097916][T18139] Call Trace: [ 437.098176][T18139] [437.098359][T18139] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [437.098709][T18139] ? mark_held_locks (kernel/locking/lockdep.c:4328) [437.099060][T18139] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [437.099478][T18139] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [437.099835][T18139] netif_set_mtu (net/core/dev.c:9652) [437.100175][T18139] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [437.100521][T18139] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [437.101023][T18139] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [437.101300][T18139] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [437.101782][T18139] br_add_if (net/bridge/br_if.c:697) bridge [437.102177][T18139] do_set_master (net/core/rtnetlink.c:2948) [437.102520][T18139] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [437.102866][T18139] rtnl_newlink_create (net/core/rtnetlink.c:3840) [437.103207][T18139] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [437.103546][T18139] ? __dev_get_by_name (net/core/dev.c:865) [437.103900][T18139] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [437.104257][T18139] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [437.104608][T18139] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [437.104960][T18139] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [437.105303][T18139] __rtnl_newlink (net/core/rtnetlink.c:3942) [437.105642][T18139] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [437.106004][T18139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [437.106352][T18139] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [437.106689][T18139] ? __lock_release (kernel/locking/lockdep.c:5539) [437.107042][T18139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [437.107382][T18139] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [437.107727][T18139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [437.108082][T18139] ? __lock_acquire (kernel/locking/lockdep.c:5240) [437.108424][T18139] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [437.108776][T18139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [437.109111][T18139] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [437.109461][T18139] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [437.109806][T18139] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [437.110146][T18139] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [437.110483][T18139] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [437.110831][T18139] ? __lock_acquire (kernel/locking/lockdep.c:5240) [437.111173][T18139] netlink_sendmsg (net/netlink/af_netlink.c:1896) [437.111514][T18139] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [437.111855][T18139] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [437.112213][T18139] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [437.112559][T18139] ? __pfx_____sys_sendmsg (net/socket.c:2560) [437.112908][T18139] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [437.113333][T18139] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [437.113677][T18139] ___sys_sendmsg (net/socket.c:2670) [437.114038][T18139] ? __pfx____sys_sendmsg (net/socket.c:2657) [437.114383][T18139] ? __pfx_handle_pte_fault (mm/memory.c:6026) [437.114721][T18139] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [437.115063][T18139] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [437.115416][T18139] ? __handle_mm_fault (mm/memory.c:6212) [437.115752][T18139] ? __pfx___handle_mm_fault (mm/memory.c:6121) [437.116099][T18139] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [437.116447][T18139] __sys_sendmsg (net/socket.c:2700) [437.116792][T18139] ? __pfx___sys_sendmsg (net/socket.c:2685) [437.117131][T18139] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [437.117485][T18139] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [437.117832][T18139] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [437.118176][T18139] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [437.118510][T18139] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 437.118947][T18139] RIP: 0033:0x7fea32fbd1e7 [ 437.119298][T18139] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 437.120463][T18139] RSP: 002b:00007ffd26b2d5f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 437.120978][T18139] RAX: ffffffffffffffda RBX: 00007ffd26b2dd20 RCX: 00007fea32fbd1e7 [ 437.121477][T18139] RDX: 0000000000000000 RSI: 00007ffd26b2d660 RDI: 0000000000000005 [ 437.121992][T18139] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 437.122482][T18139] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd26b2dd58 [ 437.122977][T18139] R13: 00000000686e4353 R14: 0000000000499600 R15: 0000000000000000 | [ 437.306597][T18142] ------------[ cut here ]------------ | [437.307013][T18142] WARNING: CPU: 2 PID: 18142 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) | [ 437.307660][T18142] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 437.308857][T18142] Tainted: [W]=WARN [ 437.309118][T18142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [437.309529][T18142] 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) [ 437.309882][T18142] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 437.311055][T18142] RSP: 0018:ffffc900084f7080 EFLAGS: 00010246 [ 437.311489][T18142] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 437.311990][T18142] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 437.312485][T18142] RBP: ffffc900084f7168 R08: 0000000000000000 R09: 0000000000000000 [ 437.312987][T18142] R10: ffffc900084f7198 R11: ffffffffacca8918 R12: 1ffff9200109ee14 [ 437.313479][T18142] R13: 00000000000005dc R14: ffffc900084f7198 R15: ffff888013c02f08 [ 437.313996][T18142] FS: 00007f9e94cc2800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 437.314570][T18142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 437.314994][T18142] CR2: 00000000004a1738 CR3: 000000001316d002 CR4: 0000000000772ef0 [ 437.315500][T18142] PKRU: 55555554 [ 437.315757][T18142] Call Trace: [ 437.316030][T18142] [437.316216][T18142] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [437.316590][T18142] ? mark_held_locks (kernel/locking/lockdep.c:4328) [437.316946][T18142] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [437.317364][T18142] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [437.317698][T18142] netif_set_mtu (net/core/dev.c:9652) [437.318046][T18142] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [437.318390][T18142] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [437.318867][T18142] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [437.319128][T18142] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [437.319580][T18142] br_add_if (net/bridge/br_if.c:697) bridge [437.319980][T18142] do_set_master (net/core/rtnetlink.c:2948) [437.320316][T18142] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [437.320669][T18142] rtnl_newlink_create (net/core/rtnetlink.c:3840) [437.321018][T18142] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [437.321353][T18142] ? __dev_get_by_name (net/core/dev.c:865) [437.321685][T18142] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [437.322039][T18142] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [437.322383][T18142] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [437.322710][T18142] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [437.323061][T18142] __rtnl_newlink (net/core/rtnetlink.c:3942) [437.323419][T18142] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [437.323798][T18142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [437.324142][T18142] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [437.324488][T18142] ? __lock_release (kernel/locking/lockdep.c:5539) [437.324839][T18142] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [437.325183][T18142] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [437.325517][T18142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [437.325873][T18142] ? __lock_acquire (kernel/locking/lockdep.c:5240) [437.326217][T18142] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [437.326550][T18142] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [437.326900][T18142] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [437.327245][T18142] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [437.327578][T18142] ? 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) [437.327930][T18142] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [437.328268][T18142] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [437.328599][T18142] ? __lock_acquire (kernel/locking/lockdep.c:5240) [437.328959][T18142] netlink_sendmsg (net/netlink/af_netlink.c:1896) [437.329298][T18142] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [437.329634][T18142] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [437.329986][T18142] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [437.330329][T18142] ? __pfx_____sys_sendmsg (net/socket.c:2560) [437.330670][T18142] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [437.331105][T18142] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [437.331449][T18142] ___sys_sendmsg (net/socket.c:2670) [437.331805][T18142] ? __pfx____sys_sendmsg (net/socket.c:2657) [437.332159][T18142] ? __pfx_handle_pte_fault (mm/memory.c:6026) [437.332501][T18142] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [437.332856][T18142] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [437.333210][T18142] ? __handle_mm_fault (mm/memory.c:6212) [437.333563][T18142] ? __pfx___handle_mm_fault (mm/memory.c:6121) [437.333918][T18142] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [437.334279][T18142] __sys_sendmsg (net/socket.c:2700) [437.334612][T18142] ? __pfx___sys_sendmsg (net/socket.c:2685) [437.334956][T18142] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [437.335295][T18142] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [437.335627][T18142] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [437.335972][T18142] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [437.336301][T18142] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 437.336721][T18142] RIP: 0033:0x7f9e94e8f1e7 [ 437.337076][T18142] 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) [ 437.338229][T18142] RSP: 002b:00007ffc6232d5d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 437.338730][T18142] RAX: ffffffffffffffda RBX: 00007ffc6232dd00 RCX: 00007f9e94e8f1e7 [ 437.339232][T18142] RDX: 0000000000000000 RSI: 00007ffc6232d640 RDI: 0000000000000005 [ 437.339721][T18142] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 437.340227][T18142] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc6232dd38 [ 437.340728][T18142] R13: 00000000686e4354 R14: 0000000000499600 R15: 0000000000000000 | [ 437.521060][T18144] ------------[ cut here ]------------ | [437.521391][T18144] WARNING: CPU: 0 PID: 18144 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 437.522124][T18144] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 437.523339][T18144] Tainted: [W]=WARN [ 437.523602][T18144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [437.524029][T18144] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 437.524376][T18144] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 437.525603][T18144] RSP: 0018:ffffc90003dd7080 EFLAGS: 00010246 [ 437.526049][T18144] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 437.526551][T18144] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 437.527059][T18144] RBP: ffffc90003dd7168 R08: 0000000000000000 R09: 0000000000000000 [ 437.527558][T18144] R10: ffffc90003dd7198 R11: ffffffffacca8918 R12: 1ffff920007bae14 [ 437.528074][T18144] R13: 00000000000005dc R14: ffffc90003dd7198 R15: ffff888013c02f08 [ 437.528575][T18144] FS: 00007fcee8ff9800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 437.529178][T18144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 437.529607][T18144] CR2: 00007f4efcd29a00 CR3: 000000001316d001 CR4: 0000000000772ef0 [ 437.530128][T18144] PKRU: 55555554 [ 437.530381][T18144] Call Trace: [ 437.530657][T18144] [437.530842][T18144] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [437.531188][T18144] ? mark_held_locks (kernel/locking/lockdep.c:4328) [437.531530][T18144] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [437.531962][T18144] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [437.532311][T18144] netif_set_mtu (net/core/dev.c:9652) [437.532648][T18144] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [437.533009][T18144] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [437.533487][T18144] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [437.533743][T18144] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [437.534214][T18144] br_add_if (net/bridge/br_if.c:697) bridge [437.534605][T18144] do_set_master (net/core/rtnetlink.c:2948) [437.534957][T18144] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [437.535310][T18144] rtnl_newlink_create (net/core/rtnetlink.c:3840) [437.535658][T18144] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [437.536009][T18144] ? __dev_get_by_name (net/core/dev.c:865) [437.536344][T18144] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [437.536683][T18144] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [437.537036][T18144] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [437.537367][T18144] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [437.537705][T18144] __rtnl_newlink (net/core/rtnetlink.c:3942) [437.538064][T18144] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [437.538403][T18144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [437.538751][T18144] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [437.539098][T18144] ? __lock_release (kernel/locking/lockdep.c:5539) [437.539443][T18144] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [437.539787][T18144] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [437.540129][T18144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [437.540469][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) [437.540833][T18144] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [437.541173][T18144] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [437.541517][T18144] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [437.541878][T18144] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [437.542213][T18144] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [437.542550][T18144] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [437.542909][T18144] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [437.543247][T18144] ? __lock_acquire (kernel/locking/lockdep.c:5240) [437.543592][T18144] netlink_sendmsg (net/netlink/af_netlink.c:1896) [437.543945][T18144] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [437.544282][T18144] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [437.544629][T18144] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [437.544990][T18144] ? __pfx_____sys_sendmsg (net/socket.c:2560) [437.545331][T18144] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [437.545759][T18144] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [437.546118][T18144] ___sys_sendmsg (net/socket.c:2670) [437.546458][T18144] ? __pfx____sys_sendmsg (net/socket.c:2657) [437.546815][T18144] ? __pfx_handle_pte_fault (mm/memory.c:6026) [437.547155][T18144] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [437.547491][T18144] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [437.547845][T18144] ? __handle_mm_fault (mm/memory.c:6212) [437.548190][T18144] ? __pfx___handle_mm_fault (mm/memory.c:6121) [437.548524][T18144] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [437.548887][T18144] __sys_sendmsg (net/socket.c:2700) [437.549229][T18144] ? __pfx___sys_sendmsg (net/socket.c:2685) [437.549574][T18144] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [437.549936][T18144] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [437.550286][T18144] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [437.550659][T18144] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [437.551014][T18144] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 437.551433][T18144] RIP: 0033:0x7fcee91c61e7 [ 437.551794][T18144] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 437.553011][T18144] RSP: 002b:00007ffc704708f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 437.553525][T18144] RAX: ffffffffffffffda RBX: 00007ffc70471020 RCX: 00007fcee91c61e7 [ 437.554047][T18144] RDX: 0000000000000000 RSI: 00007ffc70470960 RDI: 0000000000000005 [ 437.554554][T18144] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 437.555063][T18144] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc70471058 [ 437.555568][T18144] R13: 00000000686e4354 R14: 0000000000499600 R15: 0000000000000000 | [ 437.744437][T18146] ------------[ cut here ]------------ | [437.744782][T18146] WARNING: CPU: 0 PID: 18146 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 437.745435][T18146] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 437.746716][T18146] Tainted: [W]=WARN [ 437.746990][T18146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [437.747407][T18146] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 437.747754][T18146] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 437.748956][T18146] RSP: 0018:ffffc900084d7080 EFLAGS: 00010246 [ 437.749379][T18146] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 437.749885][T18146] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 437.750384][T18146] RBP: ffffc900084d7168 R08: 0000000000000000 R09: 0000000000000000 [ 437.750917][T18146] R10: ffffc900084d7198 R11: ffffffffacca8918 R12: 1ffff9200109ae14 [ 437.751419][T18146] R13: 00000000000005dc R14: ffffc900084d7198 R15: ffff888013c02f08 [ 437.751939][T18146] FS: 00007f54aca26800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 437.752523][T18146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 437.752960][T18146] CR2: 00000000004a1738 CR3: 00000000090cb003 CR4: 0000000000772ef0 [ 437.753467][T18146] PKRU: 55555554 [ 437.753718][T18146] Call Trace: [ 437.753976][T18146] [437.754150][T18146] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [437.754489][T18146] ? mark_held_locks (kernel/locking/lockdep.c:4328) [437.754835][T18146] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [437.755252][T18146] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [437.755592][T18146] netif_set_mtu (net/core/dev.c:9652) [437.755937][T18146] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [437.756283][T18146] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [437.756747][T18146] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [437.757012][T18146] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [437.757467][T18146] br_add_if (net/bridge/br_if.c:697) bridge [437.757857][T18146] do_set_master (net/core/rtnetlink.c:2948) [437.758190][T18146] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [437.758522][T18146] rtnl_newlink_create (net/core/rtnetlink.c:3840) [437.758867][T18146] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [437.759199][T18146] ? __dev_get_by_name (net/core/dev.c:865) [437.759527][T18146] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [437.759866][T18146] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [437.760202][T18146] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [437.760532][T18146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [437.760892][T18146] __rtnl_newlink (net/core/rtnetlink.c:3942) [437.761237][T18146] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [437.761573][T18146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [437.761928][T18146] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [437.762272][T18146] ? __lock_release (kernel/locking/lockdep.c:5539) [437.762605][T18146] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [437.762945][T18146] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [437.763279][T18146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [437.763619][T18146] ? __lock_acquire (kernel/locking/lockdep.c:5240) [437.763973][T18146] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [437.764309][T18146] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [437.764652][T18146] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [437.765008][T18146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [437.765345][T18146] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [437.765682][T18146] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [437.766034][T18146] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [437.766367][T18146] ? __lock_acquire (kernel/locking/lockdep.c:5240) [437.766709][T18146] netlink_sendmsg (net/netlink/af_netlink.c:1896) [437.767061][T18146] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [437.767398][T18146] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [437.767747][T18146] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [437.768102][T18146] ? __pfx_____sys_sendmsg (net/socket.c:2560) [437.768452][T18146] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [437.768885][T18146] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [437.769225][T18146] ___sys_sendmsg (net/socket.c:2670) [437.769562][T18146] ? __pfx____sys_sendmsg (net/socket.c:2657) [437.769907][T18146] ? __pfx_handle_pte_fault (mm/memory.c:6026) [437.770243][T18146] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [437.770575][T18146] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [437.770925][T18146] ? __handle_mm_fault (mm/memory.c:6212) [437.771258][T18146] ? __pfx___handle_mm_fault (mm/memory.c:6121) [437.771586][T18146] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [437.771950][T18146] __sys_sendmsg (net/socket.c:2700) [437.772285][T18146] ? __pfx___sys_sendmsg (net/socket.c:2685) [437.772630][T18146] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [437.772981][T18146] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [437.773317][T18146] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [437.773656][T18146] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [437.773997][T18146] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 437.774413][T18146] RIP: 0033:0x7f54acbf31e7 [ 437.774755][T18146] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 437.775949][T18146] RSP: 002b:00007ffc0ff3d958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 437.776452][T18146] RAX: ffffffffffffffda RBX: 00007ffc0ff3e080 RCX: 00007f54acbf31e7 [ 437.776957][T18146] RDX: 0000000000000000 RSI: 00007ffc0ff3d9c0 RDI: 0000000000000005 [ 437.777463][T18146] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 437.777968][T18146] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc0ff3e0b8 [ 437.778462][T18146] R13: 00000000686e4354 R14: 0000000000499600 R15: 0000000000000000 | [ 437.932540][T18148] ------------[ cut here ]------------ | [437.932891][T18148] WARNING: CPU: 0 PID: 18148 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) | [ 437.933557][T18148] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 437.934800][T18148] Tainted: [W]=WARN [ 437.935053][T18148] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [437.935475][T18148] 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) [ 437.935839][T18148] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 437.937054][T18148] RSP: 0018:ffffc900084c7080 EFLAGS: 00010246 [ 437.937481][T18148] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 437.937995][T18148] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 437.938496][T18148] RBP: ffffc900084c7168 R08: 0000000000000000 R09: 0000000000000000 [ 437.939011][T18148] R10: ffffc900084c7198 R11: ffffffffacca8918 R12: 1ffff92001098e14 [ 437.939533][T18148] R13: 00000000000005dc R14: ffffc900084c7198 R15: ffff888013c02f08 [ 437.940050][T18148] FS: 00007fd07910b800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 437.940656][T18148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 437.941100][T18148] CR2: 00000000004a1738 CR3: 00000000137bf006 CR4: 0000000000772ef0 [ 437.941603][T18148] PKRU: 55555554 [ 437.941865][T18148] Call Trace: [ 437.942115][T18148] [437.942292][T18148] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [437.942645][T18148] ? mark_held_locks (kernel/locking/lockdep.c:4328) [437.942996][T18148] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [437.943428][T18148] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [437.943785][T18148] netif_set_mtu (net/core/dev.c:9652) [437.944132][T18148] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [437.944485][T18148] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [437.944978][T18148] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [437.945237][T18148] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [437.945712][T18148] br_add_if (net/bridge/br_if.c:697) bridge [437.946120][T18148] do_set_master (net/core/rtnetlink.c:2948) [437.946465][T18148] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [437.946821][T18148] rtnl_newlink_create (net/core/rtnetlink.c:3840) [437.947169][T18148] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [437.947508][T18148] ? __dev_get_by_name (net/core/dev.c:865) [437.947864][T18148] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [437.948210][T18148] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [437.948559][T18148] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [437.948916][T18148] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [437.949264][T18148] __rtnl_newlink (net/core/rtnetlink.c:3942) [437.949624][T18148] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [437.949974][T18148] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [437.950330][T18148] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [437.950688][T18148] ? __lock_release (kernel/locking/lockdep.c:5539) [437.951045][T18148] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [437.951392][T18148] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [437.951738][T18148] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [437.952116][T18148] ? __lock_acquire (kernel/locking/lockdep.c:5240) [437.952452][T18148] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [437.952800][T18148] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [437.953132][T18148] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [437.953476][T18148] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [437.953821][T18148] ? 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) [437.954165][T18148] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [437.954508][T18148] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [437.954860][T18148] ? __lock_acquire (kernel/locking/lockdep.c:5240) [437.955212][T18148] netlink_sendmsg (net/netlink/af_netlink.c:1896) [437.955557][T18148] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [437.955907][T18148] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [437.956257][T18148] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [437.956612][T18148] ? __pfx_____sys_sendmsg (net/socket.c:2560) [437.956963][T18148] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [437.957386][T18148] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [437.957726][T18148] ___sys_sendmsg (net/socket.c:2670) [437.958076][T18148] ? __pfx____sys_sendmsg (net/socket.c:2657) [437.958413][T18148] ? __pfx_handle_pte_fault (mm/memory.c:6026) [437.958754][T18148] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [437.959105][T18148] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [437.959445][T18148] ? __handle_mm_fault (mm/memory.c:6212) [437.959788][T18148] ? __pfx___handle_mm_fault (mm/memory.c:6121) [437.960121][T18148] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [437.960470][T18148] __sys_sendmsg (net/socket.c:2700) [437.960854][T18148] ? __pfx___sys_sendmsg (net/socket.c:2685) [437.961188][T18148] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [437.961531][T18148] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [437.961880][T18148] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [437.962219][T18148] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [437.962553][T18148] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 437.962978][T18148] RIP: 0033:0x7fd0792d81e7 [ 437.963322][T18148] 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) [ 437.964518][T18148] RSP: 002b:00007ffd6c9a5b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 437.965030][T18148] RAX: ffffffffffffffda RBX: 00007ffd6c9a6250 RCX: 00007fd0792d81e7 [ 437.965536][T18148] RDX: 0000000000000000 RSI: 00007ffd6c9a5b90 RDI: 0000000000000005 [ 437.966049][T18148] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 437.966548][T18148] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd6c9a6288 [ 437.967057][T18148] R13: 00000000686e4354 R14: 0000000000499600 R15: 0000000000000000 | [ 438.128498][T18149] ------------[ cut here ]------------ | [438.128928][T18149] WARNING: CPU: 2 PID: 18149 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) | [ 438.129569][T18149] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 438.130786][T18149] Tainted: [W]=WARN [ 438.131046][T18149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [438.131457][T18149] 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) [ 438.131804][T18149] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 438.132974][T18149] RSP: 0018:ffffc90003e47080 EFLAGS: 00010246 [ 438.133392][T18149] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 438.133900][T18149] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 438.134390][T18149] RBP: ffffc90003e47168 R08: 0000000000000000 R09: 0000000000000000 [ 438.134890][T18149] R10: ffffc90003e47198 R11: ffffffffacca8918 R12: 1ffff920007c8e14 [ 438.135387][T18149] R13: 00000000000005dc R14: ffffc90003e47198 R15: ffff888013c02f08 [ 438.135892][T18149] FS: 00007f7f66fe0800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000 [ 438.136457][T18149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 438.136875][T18149] CR2: 00000000004a1738 CR3: 00000000141b5002 CR4: 0000000000772ef0 [ 438.137362][T18149] PKRU: 55555554 [ 438.137614][T18149] Call Trace: [ 438.137870][T18149] [438.138048][T18149] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [438.138382][T18149] ? mark_held_locks (kernel/locking/lockdep.c:4328) [438.138721][T18149] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [438.139140][T18149] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [438.139484][T18149] netif_set_mtu (net/core/dev.c:9652) [438.139824][T18149] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [438.140171][T18149] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [438.140673][T18149] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [438.140941][T18149] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [438.141388][T18149] br_add_if (net/bridge/br_if.c:697) bridge [438.141764][T18149] do_set_master (net/core/rtnetlink.c:2948) [438.142104][T18149] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [438.142439][T18149] rtnl_newlink_create (net/core/rtnetlink.c:3840) [438.142766][T18149] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [438.143109][T18149] ? __dev_get_by_name (net/core/dev.c:865) [438.143440][T18149] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [438.143779][T18149] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [438.144117][T18149] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [438.144447][T18149] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [438.144825][T18149] __rtnl_newlink (net/core/rtnetlink.c:3942) [438.145169][T18149] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [438.145510][T18149] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [438.145862][T18149] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [438.146200][T18149] ? __lock_release (kernel/locking/lockdep.c:5539) [438.146537][T18149] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [438.146878][T18149] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [438.147217][T18149] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [438.147580][T18149] ? __lock_acquire (kernel/locking/lockdep.c:5240) [438.147945][T18149] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [438.148296][T18149] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [438.148643][T18149] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [438.149004][T18149] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [438.149341][T18149] ? 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) [438.149690][T18149] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [438.150051][T18149] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [438.150386][T18149] ? __lock_acquire (kernel/locking/lockdep.c:5240) [438.150733][T18149] netlink_sendmsg (net/netlink/af_netlink.c:1896) [438.151077][T18149] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [438.151423][T18149] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [438.151788][T18149] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [438.152143][T18149] ? __pfx_____sys_sendmsg (net/socket.c:2560) [438.152479][T18149] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [438.152903][T18149] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [438.153248][T18149] ___sys_sendmsg (net/socket.c:2670) [438.153583][T18149] ? __pfx____sys_sendmsg (net/socket.c:2657) [438.153922][T18149] ? __pfx_handle_pte_fault (mm/memory.c:6026) [438.154258][T18149] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [438.154600][T18149] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [438.154963][T18149] ? __handle_mm_fault (mm/memory.c:6212) [438.155303][T18149] ? __pfx___handle_mm_fault (mm/memory.c:6121) [438.155643][T18149] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [438.156018][T18149] __sys_sendmsg (net/socket.c:2700) [438.156351][T18149] ? __pfx___sys_sendmsg (net/socket.c:2685) [438.156676][T18149] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [438.157029][T18149] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [438.157363][T18149] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [438.157699][T18149] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [438.158042][T18149] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 438.158463][T18149] RIP: 0033:0x7f7f671ad1e7 [ 438.158814][T18149] 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) [ 438.159971][T18149] RSP: 002b:00007fffd6b39988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 438.160475][T18149] RAX: ffffffffffffffda RBX: 00007fffd6b3a0b0 RCX: 00007f7f671ad1e7 [ 438.160990][T18149] RDX: 0000000000000000 RSI: 00007fffd6b399f0 RDI: 0000000000000005 [ 438.161482][T18149] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 438.161984][T18149] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffd6b3a0e8 [ 438.162480][T18149] R13: 00000000686e4354 R14: 0000000000499600 R15: 0000000000000000 | [ 438.338016][T18152] ------------[ cut here ]------------ | [438.338366][T18152] WARNING: CPU: 0 PID: 18152 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 438.339127][T18152] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 438.340350][T18152] Tainted: [W]=WARN [ 438.340622][T18152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [438.341061][T18152] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 438.341413][T18152] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 438.342636][T18152] RSP: 0018:ffffc900084c7080 EFLAGS: 00010246 [ 438.343072][T18152] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 438.343579][T18152] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 438.344096][T18152] RBP: ffffc900084c7168 R08: 0000000000000000 R09: 0000000000000000 [ 438.344600][T18152] R10: ffffc900084c7198 R11: ffffffffacca8918 R12: 1ffff92001098e14 [ 438.345158][T18152] R13: 00000000000005dc R14: ffffc900084c7198 R15: ffff888013c02f08 [ 438.345688][T18152] FS: 00007fada1233800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 438.346293][T18152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 438.346724][T18152] CR2: 00000000004a1738 CR3: 0000000013f72006 CR4: 0000000000772ef0 [ 438.347245][T18152] PKRU: 55555554 [ 438.347503][T18152] Call Trace: [ 438.347758][T18152] [438.347951][T18152] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [438.348311][T18152] ? mark_held_locks (kernel/locking/lockdep.c:4328) [438.348658][T18152] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [438.349098][T18152] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [438.349446][T18152] netif_set_mtu (net/core/dev.c:9652) [438.349799][T18152] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [438.350147][T18152] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [438.350632][T18152] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [438.350899][T18152] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [438.351358][T18152] br_add_if (net/bridge/br_if.c:697) bridge [438.351743][T18152] do_set_master (net/core/rtnetlink.c:2948) [438.352094][T18152] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [438.352439][T18152] rtnl_newlink_create (net/core/rtnetlink.c:3840) [438.352798][T18152] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [438.353144][T18152] ? __dev_get_by_name (net/core/dev.c:865) [438.353490][T18152] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [438.353858][T18152] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [438.354213][T18152] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [438.354554][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [438.354913][T18152] __rtnl_newlink (net/core/rtnetlink.c:3942) [438.355266][T18152] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [438.355613][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [438.355985][T18152] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [438.356328][T18152] ? __lock_release (kernel/locking/lockdep.c:5539) [438.356672][T18152] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [438.357029][T18152] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [438.357374][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [438.357727][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) [438.358089][T18152] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [438.358439][T18152] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [438.358793][T18152] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [438.359144][T18152] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [438.359489][T18152] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [438.359844][T18152] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [438.360198][T18152] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [438.360541][T18152] ? __lock_acquire (kernel/locking/lockdep.c:5240) [438.360904][T18152] netlink_sendmsg (net/netlink/af_netlink.c:1896) [438.361258][T18152] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [438.361603][T18152] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [438.361977][T18152] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [438.362345][T18152] ? __pfx_____sys_sendmsg (net/socket.c:2560) [438.362692][T18152] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [438.363140][T18152] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [438.363490][T18152] ___sys_sendmsg (net/socket.c:2670) [438.363847][T18152] ? __pfx____sys_sendmsg (net/socket.c:2657) [438.364196][T18152] ? __pfx_handle_pte_fault (mm/memory.c:6026) [438.364544][T18152] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [438.364897][T18152] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [438.365250][T18152] ? __handle_mm_fault (mm/memory.c:6212) [438.365602][T18152] ? __pfx___handle_mm_fault (mm/memory.c:6121) [438.365964][T18152] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [438.366324][T18152] __sys_sendmsg (net/socket.c:2700) [438.366669][T18152] ? __pfx___sys_sendmsg (net/socket.c:2685) [438.367022][T18152] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [438.367379][T18152] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [438.367719][T18152] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [438.368075][T18152] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [438.368424][T18152] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 438.368869][T18152] RIP: 0033:0x7fada14001e7 [ 438.369227][T18152] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 438.370490][T18152] RSP: 002b:00007fffac406288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 438.371038][T18152] RAX: ffffffffffffffda RBX: 00007fffac4069b0 RCX: 00007fada14001e7 [ 438.372045][T18152] RDX: 0000000000000000 RSI: 00007fffac4062f0 RDI: 0000000000000005 [ 438.372802][T18152] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 438.373305][T18152] R10: 0000000000403668 R11: 0000000000000246 R12: 00007fffac4069e8 [ 438.373834][T18152] R13: 00000000686e4355 R14: 0000000000499600 R15: 0000000000000000 | [ 438.577765][T18153] ------------[ cut here ]------------ | [438.578120][T18153] WARNING: CPU: 3 PID: 18153 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 438.578880][T18153] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 438.580078][T18153] Tainted: [W]=WARN [ 438.580326][T18153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [438.580763][T18153] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 438.581120][T18153] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 438.582317][T18153] RSP: 0018:ffffc900084c7080 EFLAGS: 00010246 [ 438.582746][T18153] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 438.583260][T18153] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 438.583801][T18153] RBP: ffffc900084c7168 R08: 0000000000000000 R09: 0000000000000000 [ 438.584331][T18153] R10: ffffc900084c7198 R11: ffffffffacca8918 R12: 1ffff92001098e14 [ 438.584840][T18153] R13: 00000000000005dc R14: ffffc900084c7198 R15: ffff888013c02f08 [ 438.585353][T18153] FS: 00007f2c070b4800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 438.585951][T18153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 438.586372][T18153] CR2: 00000000004a1738 CR3: 000000000fe02003 CR4: 0000000000772ef0 [ 438.586887][T18153] PKRU: 55555554 [ 438.587137][T18153] Call Trace: [ 438.587385][T18153] [438.587557][T18153] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [438.587910][T18153] ? mark_held_locks (kernel/locking/lockdep.c:4328) [438.588241][T18153] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [438.588661][T18153] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [438.589159][T18153] netif_set_mtu (net/core/dev.c:9652) [438.589598][T18153] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [438.590209][T18153] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [438.590927][T18153] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [438.591371][T18153] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [438.592178][T18153] br_add_if (net/bridge/br_if.c:697) bridge [438.592846][T18153] do_set_master (net/core/rtnetlink.c:2948) [438.593210][T18153] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [438.593548][T18153] rtnl_newlink_create (net/core/rtnetlink.c:3840) [438.593894][T18153] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [438.594237][T18153] ? __dev_get_by_name (net/core/dev.c:865) [438.594574][T18153] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [438.594915][T18153] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [438.595275][T18153] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [438.595601][T18153] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [438.595951][T18153] __rtnl_newlink (net/core/rtnetlink.c:3942) [438.596414][T18153] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [438.596887][T18153] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [438.597418][T18153] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [438.598001][T18153] ? __lock_release (kernel/locking/lockdep.c:5539) [438.598592][T18153] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [438.599097][T18153] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [438.599678][T18153] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [438.600295][T18153] ? __lock_acquire (kernel/locking/lockdep.c:5240) [438.600931][T18153] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [438.601517][T18153] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [438.602130][T18153] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [438.602745][T18153] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [438.603342][T18153] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [438.603953][T18153] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [438.604553][T18153] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [438.605164][T18153] ? __lock_acquire (kernel/locking/lockdep.c:5240) [438.605783][T18153] netlink_sendmsg (net/netlink/af_netlink.c:1896) [438.606356][T18153] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [438.606937][T18153] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [438.607520][T18153] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [438.608112][T18153] ? __pfx_____sys_sendmsg (net/socket.c:2560) [438.608681][T18153] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [438.609413][T18153] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [438.609999][T18153] ___sys_sendmsg (net/socket.c:2670) [438.610593][T18153] ? __pfx____sys_sendmsg (net/socket.c:2657) [438.610957][T18153] ? __pfx_handle_pte_fault (mm/memory.c:6026) [438.611293][T18153] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [438.611623][T18153] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [438.611966][T18153] ? __handle_mm_fault (mm/memory.c:6212) [438.612286][T18153] ? __pfx___handle_mm_fault (mm/memory.c:6121) [438.612613][T18153] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [438.612965][T18153] __sys_sendmsg (net/socket.c:2700) [438.613291][T18153] ? __pfx___sys_sendmsg (net/socket.c:2685) [438.613619][T18153] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [438.613971][T18153] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [438.614310][T18153] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [438.614646][T18153] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [438.614988][T18153] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 438.615394][T18153] RIP: 0033:0x7f2c072811e7 [ 438.615726][T18153] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 438.616904][T18153] RSP: 002b:00007ffd629c0ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 438.617406][T18153] RAX: ffffffffffffffda RBX: 00007ffd629c12d0 RCX: 00007f2c072811e7 [ 438.617914][T18153] RDX: 0000000000000000 RSI: 00007ffd629c0c10 RDI: 0000000000000005 [ 438.618430][T18153] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 438.618934][T18153] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffd629c1308 [ 438.619434][T18153] R13: 00000000686e4355 R14: 0000000000499600 R15: 0000000000000000 | [ 438.804515][T18155] ------------[ cut here ]------------ | [438.804950][T18155] WARNING: CPU: 0 PID: 18155 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 438.805613][T18155] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 438.806859][T18155] Tainted: [W]=WARN [ 438.807120][T18155] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [438.807543][T18155] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 438.807902][T18155] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 438.809126][T18155] RSP: 0018:ffffc900084d7080 EFLAGS: 00010246 [ 438.809548][T18155] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 438.810061][T18155] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 438.810567][T18155] RBP: ffffc900084d7168 R08: 0000000000000000 R09: 0000000000000000 [ 438.811102][T18155] R10: ffffc900084d7198 R11: ffffffffacca8918 R12: 1ffff9200109ae14 [ 438.811601][T18155] R13: 00000000000005dc R14: ffffc900084d7198 R15: ffff888013c02f08 [ 438.812125][T18155] FS: 00007f1d6c63b800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 438.812712][T18155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 438.813161][T18155] CR2: 00000000004a1738 CR3: 00000000137bf003 CR4: 0000000000772ef0 [ 438.813670][T18155] PKRU: 55555554 [ 438.813933][T18155] Call Trace: [ 438.814186][T18155] [438.814362][T18155] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [438.814711][T18155] ? mark_held_locks (kernel/locking/lockdep.c:4328) [438.815066][T18155] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [438.815487][T18155] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [438.815836][T18155] netif_set_mtu (net/core/dev.c:9652) [438.816172][T18155] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [438.816518][T18155] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [438.816993][T18155] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [438.817257][T18155] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [438.817714][T18155] br_add_if (net/bridge/br_if.c:697) bridge [438.818111][T18155] do_set_master (net/core/rtnetlink.c:2948) [438.818451][T18155] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [438.818801][T18155] rtnl_newlink_create (net/core/rtnetlink.c:3840) [438.819143][T18155] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [438.819483][T18155] ? __dev_get_by_name (net/core/dev.c:865) [438.819837][T18155] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [438.820179][T18155] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [438.820525][T18155] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [438.820883][T18155] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [438.821222][T18155] __rtnl_newlink (net/core/rtnetlink.c:3942) [438.821581][T18155] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [438.821943][T18155] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [438.822292][T18155] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [438.822630][T18155] ? __lock_release (kernel/locking/lockdep.c:5539) [438.822984][T18155] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [438.823325][T18155] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [438.823664][T18155] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [438.824013][T18155] ? __lock_acquire (kernel/locking/lockdep.c:5240) [438.824362][T18155] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [438.824696][T18155] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [438.825044][T18155] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [438.825394][T18155] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [438.825735][T18155] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [438.826103][T18155] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [438.826445][T18155] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [438.826805][T18155] ? __lock_acquire (kernel/locking/lockdep.c:5240) [438.827151][T18155] netlink_sendmsg (net/netlink/af_netlink.c:1896) [438.827489][T18155] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [438.827837][T18155] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [438.828193][T18155] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [438.828546][T18155] ? __pfx_____sys_sendmsg (net/socket.c:2560) [438.828894][T18155] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [438.829328][T18155] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [438.829672][T18155] ___sys_sendmsg (net/socket.c:2670) [438.830024][T18155] ? __pfx____sys_sendmsg (net/socket.c:2657) [438.830367][T18155] ? __pfx_handle_pte_fault (mm/memory.c:6026) [438.830714][T18155] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [438.831060][T18155] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [438.831406][T18155] ? __handle_mm_fault (mm/memory.c:6212) [438.831750][T18155] ? __pfx___handle_mm_fault (mm/memory.c:6121) [438.832099][T18155] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [438.832455][T18155] __sys_sendmsg (net/socket.c:2700) [438.832803][T18155] ? __pfx___sys_sendmsg (net/socket.c:2685) [438.833136][T18155] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [438.833485][T18155] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [438.833843][T18155] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [438.834192][T18155] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [438.834534][T18155] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 438.834973][T18155] RIP: 0033:0x7f1d6c8081e7 [ 438.835323][T18155] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 438.836554][T18155] RSP: 002b:00007ffc2d6b66e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 438.837084][T18155] RAX: ffffffffffffffda RBX: 00007ffc2d6b6e10 RCX: 00007f1d6c8081e7 [ 438.837595][T18155] RDX: 0000000000000000 RSI: 00007ffc2d6b6750 RDI: 0000000000000005 [ 438.838120][T18155] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 438.838640][T18155] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffc2d6b6e48 [ 438.839161][T18155] R13: 00000000686e4355 R14: 0000000000499600 R15: 0000000000000000 | [ 439.012064][T18158] ------------[ cut here ]------------ | [439.012403][T18158] WARNING: CPU: 0 PID: 18158 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) | [ 439.013085][T18158] Modules linked in: dummy sch_ingress bridge stp llc 8021q vrf veth | [ 439.014315][T18158] Tainted: [W]=WARN [ 439.014572][T18158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [439.015004][T18158] 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) [ 439.015350][T18158] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 439.016572][T18158] RSP: 0018:ffffc90005a47080 EFLAGS: 00010246 [ 439.017010][T18158] RAX: 0000000000000000 RBX: ffff888013c02000 RCX: 0000000000000001 [ 439.017524][T18158] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 439.018042][T18158] RBP: ffffc90005a47168 R08: 0000000000000000 R09: 0000000000000000 [ 439.018548][T18158] R10: ffffc90005a47198 R11: ffffffffacca8918 R12: 1ffff92000b48e14 [ 439.019070][T18158] R13: 00000000000005dc R14: ffffc90005a47198 R15: ffff888013c02f08 [ 439.019586][T18158] FS: 00007fba98a08800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 439.020191][T18158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 439.020639][T18158] CR2: 00000000004a1738 CR3: 0000000010ac9001 CR4: 0000000000772ef0 [ 439.021183][T18158] PKRU: 55555554 [ 439.021443][T18158] Call Trace: [ 439.021715][T18158] [439.021905][T18158] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [439.022269][T18158] ? mark_held_locks (kernel/locking/lockdep.c:4328) [439.022621][T18158] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [439.023074][T18158] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [439.023426][T18158] netif_set_mtu (net/core/dev.c:9652) [439.023766][T18158] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [439.024145][T18158] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [439.024622][T18158] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [439.024896][T18158] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [439.025365][T18158] br_add_if (net/bridge/br_if.c:697) bridge [439.025753][T18158] do_set_master (net/core/rtnetlink.c:2948) [439.026116][T18158] ? rtnl_configure_link (net/core/rtnetlink.c:3592) [439.026469][T18158] rtnl_newlink_create (net/core/rtnetlink.c:3840) [439.026832][T18158] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) [439.027169][T18158] ? __dev_get_by_name (net/core/dev.c:865) [439.027508][T18158] ? rtnl_dev_get (net/core/rtnetlink.c:3404) [439.027867][T18158] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) [439.028224][T18158] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [439.028565][T18158] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [439.028925][T18158] __rtnl_newlink (net/core/rtnetlink.c:3942) [439.029272][T18158] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [439.029629][T18158] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [439.029995][T18158] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [439.030329][T18158] ? __lock_release (kernel/locking/lockdep.c:5539) [439.030682][T18158] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [439.031037][T18158] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [439.031380][T18158] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [439.031728][T18158] ? __lock_acquire (kernel/locking/lockdep.c:5240) [439.032081][T18158] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [439.032424][T18158] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [439.032765][T18158] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [439.033127][T18158] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [439.033467][T18158] ? 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) [439.033815][T18158] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [439.034163][T18158] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [439.034503][T18158] ? __lock_acquire (kernel/locking/lockdep.c:5240) [439.034869][T18158] netlink_sendmsg (net/netlink/af_netlink.c:1896) [439.035219][T18158] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [439.035557][T18158] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [439.035920][T18158] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [439.036277][T18158] ? __pfx_____sys_sendmsg (net/socket.c:2560) [439.036611][T18158] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [439.037051][T18158] ? rcu_read_unlock (./include/linux/rcupdate.h:341 (discriminator 9) ./include/linux/rcupdate.h:871 (discriminator 9)) [439.037534][T18158] ___sys_sendmsg (net/socket.c:2670) [439.037894][T18158] ? __pfx____sys_sendmsg (net/socket.c:2657) [439.038240][T18158] ? __pfx_handle_pte_fault (mm/memory.c:6026) [439.038575][T18158] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) [439.038940][T18158] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) [439.039284][T18158] ? __handle_mm_fault (mm/memory.c:6212) [439.039625][T18158] ? __pfx___handle_mm_fault (mm/memory.c:6121) [439.039973][T18158] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) [439.040324][T18158] __sys_sendmsg (net/socket.c:2700) [439.040678][T18158] ? __pfx___sys_sendmsg (net/socket.c:2685) [439.041036][T18158] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) [439.041393][T18158] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) [439.041735][T18158] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [439.042097][T18158] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [439.042444][T18158] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 439.042877][T18158] RIP: 0033:0x7fba98bd51e7 [ 439.043236][T18158] 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) [ 439.044467][T18158] RSP: 002b:00007ffe8694d328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 439.044989][T18158] RAX: ffffffffffffffda RBX: 00007ffe8694da50 RCX: 00007fba98bd51e7 [ 439.045508][T18158] RDX: 0000000000000000 RSI: 00007ffe8694d390 RDI: 0000000000000005 [ 439.046033][T18158] RBP: 0000000000000000 R08: 000000000000004c R09: 0000000000403668 [ 439.046531][T18158] R10: 0000000000403668 R11: 0000000000000246 R12: 00007ffe8694da88 [ 439.047042][T18158] R13: 00000000686e4355 R14: 0000000000499600 R15: 0000000000000000 | [ 754.681148][ T2929] ------------[ cut here ]------------ | [ 754.681523][ T2929] WARNING: CPU: 3 PID: 2929 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) | [ 754.682222][ T2929] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth | [ 754.683554][ T2929] Tainted: [W]=WARN [ 754.683827][ T2929] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 754.684266][ T2929] 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) [ 754.684630][ T2929] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 754.685861][ T2929] RSP: 0018:ffffc900015e6f70 EFLAGS: 00010246 [ 754.686300][ T2929] RAX: 0000000000000000 RBX: ffff88800e1b2000 RCX: 0000000000000001 [ 754.688186][ T2929] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 754.688714][ T2929] RBP: ffffc900015e7058 R08: 0000000000000000 R09: 0000000000000000 [ 754.689235][ T2929] R10: ffffc900015e7088 R11: ffffffffa91224d4 R12: 1ffff920002bcdf2 [ 754.689750][ T2929] R13: 00000000000005dc R14: ffffc900015e7088 R15: ffff88800e1b2f08 [ 754.690278][ T2929] FS: 00007f6405042800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000 [ 754.690897][ T2929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 754.691343][ T2929] CR2: 00000000004e5ab0 CR3: 000000001051b003 CR4: 0000000000772ef0 [ 754.691868][ T2929] PKRU: 55555554 [ 754.692133][ T2929] Call Trace: [ 754.692392][ T2929] [ 754.692567][ T2929] ? __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) [ 754.693009][ T2929] ? br_del_if (net/bridge/br_if.c:742) bridge [ 754.693403][ T2929] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 754.693750][ T2929] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 754.694105][ T2929] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 754.694457][ T2929] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 754.694818][ T2929] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 754.695162][ T2929] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 754.695507][ T2929] ? ___sys_sendmsg (net/socket.c:2670) [ 754.695859][ T2929] ? __sys_sendmsg (net/socket.c:2700) [ 754.696203][ T2929] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 754.696546][ T2929] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 754.696979][ T2929] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 754.697337][ T2929] netif_set_mtu (net/core/dev.c:9652) [ 754.697683][ T2929] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 754.698053][ T2929] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 754.698316][ T2929] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 754.698802][ T2929] br_del_if (net/bridge/br_if.c:743) bridge [ 754.699187][ T2929] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 754.699532][ T2929] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 754.699889][ T2929] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 754.700243][ T2929] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 754.700679][ T2929] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 754.701046][ T2929] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 754.701401][ T2929] ? __kernel_text_address (kernel/extable.c:79) [ 754.701760][ T2929] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 754.702138][ T2929] ? __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) [ 754.702490][ T2929] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 754.702933][ T2929] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 754.703287][ T2929] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 754.703632][ T2929] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 754.703986][ T2929] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 754.704333][ T2929] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 754.704683][ T2929] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 754.705035][ T2929] ? __create_object (mm/kmemleak.c:771) [ 754.705392][ T2929] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 754.705761][ T2929] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 754.706132][ T2929] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 754.706559][ T2929] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 754.706921][ T2929] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 754.707271][ T2929] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 754.707614][ T2929] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 754.707973][ T2929] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 754.708319][ T2929] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 754.708664][ T2929] ? __lock_release (kernel/locking/lockdep.c:5539) [ 754.709019][ T2929] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 754.709364][ T2929] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 754.709708][ T2929] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 754.710064][ T2929] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 754.710415][ T2929] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 754.710759][ T2929] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 754.711134][ T2929] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 754.711497][ T2929] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 754.711852][ T2929] ? 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) [ 754.712207][ T2929] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 754.712556][ T2929] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 754.712912][ T2929] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 754.713266][ T2929] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 754.713616][ T2929] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 754.713971][ T2929] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 754.714326][ T2929] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 754.714676][ T2929] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 754.715031][ T2929] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 754.715472][ T2929] ___sys_sendmsg (net/socket.c:2670) [ 754.715824][ T2929] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 754.716174][ T2929] ? __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) [ 754.716605][ T2929] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 754.716971][ T2929] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 754.717322][ T2929] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 754.717675][ T2929] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 754.718029][ T2929] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 754.718382][ T2929] ? __lock_release (kernel/locking/lockdep.c:5539) [ 754.718736][ T2929] __sys_sendmsg (net/socket.c:2700) [ 754.719093][ T2929] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 754.719524][ T2929] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 754.719892][ T2929] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 754.720240][ T2929] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 754.720586][ T2929] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 754.721037][ T2929] RIP: 0033:0x7f640520f1e7 [ 754.721396][ T2929] 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) [ 754.722634][ T2929] RSP: 002b:00007ffdec953e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 754.723172][ T2929] RAX: ffffffffffffffda RBX: 00007ffdec954580 RCX: 00007f640520f1e7 [ 754.723695][ T2929] RDX: 0000000000000000 RSI: 00007ffdec953ec0 RDI: 0000000000000005 [ 754.724219][ T2929] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 754.724736][ T2929] R10: 00007f640510cee8 R11: 0000000000000246 R12: 0000000000000003 [ 754.725266][ T2929] R13: 00000000686e4491 R14: 0000000000499600 R15: 0000000000000000 | [ 755.176171][ T2933] ------------[ cut here ]------------ | [ 755.176483][ T2933] WARNING: CPU: 0 PID: 2933 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) | [ 755.177343][ T2933] Modules linked in: act_gact cls_flower dummy sch_ingress bridge stp llc 8021q vrf veth | [ 755.178663][ T2933] Tainted: [W]=WARN [ 755.179102][ T2933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 755.179484][ T2933] 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) [ 755.179980][ T2933] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 755.181250][ T2933] RSP: 0018:ffffc90001616f70 EFLAGS: 00010246 [ 755.181653][ T2933] RAX: 0000000000000000 RBX: ffff88800e1b2000 RCX: 0000000000000001 [ 755.182272][ T2933] RDX: 0000000000000000 RSI: ffffffffabe9b941 RDI: ffffffffab6555e0 [ 755.182745][ T2933] RBP: ffffc90001617058 R08: 0000000000000000 R09: 0000000000000000 [ 755.183250][ T2933] R10: ffffc90001617088 R11: ffffffffac379160 R12: 1ffff920002c2df2 [ 755.183718][ T2933] R13: 00000000000005dc R14: ffffc90001617088 R15: ffff88800e1b2f08 [ 755.184195][ T2933] FS: 00007f023c452800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000 [ 755.184738][ T2933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 755.185134][ T2933] CR2: 00000000004e5aa8 CR3: 0000000014333006 CR4: 0000000000772ef0 [ 755.185601][ T2933] PKRU: 55555554 [ 755.185844][ T2933] Call Trace: [ 755.186080][ T2933] [ 755.186239][ T2933] ? __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) [ 755.186636][ T2933] ? br_del_if (net/bridge/br_if.c:742) bridge [ 755.187003][ T2933] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 755.187315][ T2933] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 755.187636][ T2933] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 755.187961][ T2933] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 755.188268][ T2933] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 755.188581][ T2933] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 755.188896][ T2933] ? ___sys_sendmsg (net/socket.c:2670) [ 755.189199][ T2933] ? __sys_sendmsg (net/socket.c:2700) [ 755.189500][ T2933] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 755.189818][ T2933] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 755.190206][ T2933] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 755.190521][ T2933] netif_set_mtu (net/core/dev.c:9652) [ 755.190861][ T2933] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 755.191203][ T2933] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 755.191435][ T2933] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 755.191889][ T2933] br_del_if (net/bridge/br_if.c:743) bridge [ 755.192243][ T2933] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 755.192563][ T2933] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 755.192885][ T2933] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 755.193199][ T2933] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 755.193593][ T2933] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 755.193910][ T2933] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 755.194218][ T2933] ? __kernel_text_address (kernel/extable.c:79) [ 755.194545][ T2933] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 755.194881][ T2933] ? __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) [ 755.195190][ T2933] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 755.195603][ T2933] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 755.195935][ T2933] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 755.196249][ T2933] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 755.196553][ T2933] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 755.196875][ T2933] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 755.197178][ T2933] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 755.197486][ T2933] ? __create_object (mm/kmemleak.c:771) [ 755.197807][ T2933] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 755.198113][ T2933] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 755.198424][ T2933] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 755.198811][ T2933] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 755.199137][ T2933] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 755.199470][ T2933] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 755.199787][ T2933] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 755.200109][ T2933] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 755.200425][ T2933] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 755.200739][ T2933] ? __lock_release (kernel/locking/lockdep.c:5539) [ 755.201089][ T2933] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 755.201406][ T2933] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 755.201713][ T2933] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 755.202031][ T2933] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 755.202347][ T2933] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 755.202657][ T2933] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 755.202985][ T2933] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 755.203307][ T2933] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 755.203619][ T2933] ? 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) [ 755.203937][ T2933] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 755.204253][ T2933] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 755.204556][ T2933] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 755.204878][ T2933] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 755.205187][ T2933] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 755.205490][ T2933] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 755.205823][ T2933] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 755.206141][ T2933] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 755.206449][ T2933] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 755.206854][ T2933] ___sys_sendmsg (net/socket.c:2670) [ 755.207160][ T2933] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 755.207464][ T2933] ? __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) [ 755.207851][ T2933] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 755.208160][ T2933] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 755.208466][ T2933] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 755.208799][ T2933] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 755.209107][ T2933] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 755.209415][ T2933] ? __lock_release (kernel/locking/lockdep.c:5539) [ 755.209726][ T2933] __sys_sendmsg (net/socket.c:2700) [ 755.210038][ T2933] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 755.210441][ T2933] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 755.210781][ T2933] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 755.211117][ T2933] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 755.211454][ T2933] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 755.211855][ T2933] RIP: 0033:0x7f023c61f1e7 [ 755.212180][ T2933] 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) [ 755.213286][ T2933] RSP: 002b:00007ffc5a6c5e18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 755.213749][ T2933] RAX: ffffffffffffffda RBX: 00007ffc5a6c6540 RCX: 00007f023c61f1e7 [ 755.214215][ T2933] RDX: 0000000000000000 RSI: 00007ffc5a6c5e80 RDI: 0000000000000005 [ 755.214682][ T2933] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 755.215156][ T2933] R10: 00007f023c51cee8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if