====================================== | [ 20.633777][ T316] veth1: entered promiscuous mode | [ 20.636673][ T316] ------------[ cut here ]------------ | [ 20.637044][ T316] WARNING: CPU: 2 PID: 316 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 20.637876][ T316] Modules linked in: vrf bridge stp llc veth [ 20.638984][ T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.639390][ T316] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 20.639725][ T316] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 20.640879][ T316] RSP: 0018:ffffc90000686ef0 EFLAGS: 00010246 [ 20.641299][ T316] RAX: 0000000000000000 RBX: ffff88800bb02000 RCX: 0000000000000001 [ 20.641771][ T316] RDX: 0000000000000000 RSI: ffffffffb0a9b941 RDI: ffffffffb02555e0 [ 20.642322][ T316] RBP: ffffc90000686fe0 R08: 0000000000000000 R09: 0000000000000000 [ 20.642794][ T316] R10: ffffc90000687010 R11: ffffffffb18a8918 R12: 1ffff920000d0de2 [ 20.643295][ T316] R13: 00000000000005dc R14: ffffc90000687010 R15: ffff88800bb02f08 [ 20.643776][ T316] FS: 00007f79a3098800(0000) GS:ffff8880837b7000(0000) knlGS:0000000000000000 [ 20.644346][ T316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.644747][ T316] CR2: 00000000004e5aa8 CR3: 000000000ceeb002 CR4: 0000000000772ef0 [ 20.645251][ T316] PKRU: 55555554 [ 20.645500][ T316] Call Trace: [ 20.645757][ T316] [ 20.645955][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 20.646293][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.646622][ T316] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 20.646948][ T316] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 20.647359][ T316] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 20.647683][ T316] netif_set_mtu (net/core/dev.c:9652) [ 20.648026][ T316] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 20.648370][ T316] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 20.648814][ T316] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 20.649101][ T316] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 20.649537][ T316] br_add_if (net/bridge/br_if.c:697) bridge [ 20.649926][ T316] do_set_master (net/core/rtnetlink.c:2948) [ 20.650264][ T316] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 20.650590][ T316] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 20.651001][ T316] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.651333][ T316] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 20.651648][ T316] ? __kernel_text_address (kernel/extable.c:79) [ 20.651980][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.652312][ T316] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 20.652635][ T316] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 20.653037][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.653379][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.653696][ T316] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 20.654030][ T316] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 20.654363][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.654681][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 20.655004][ T316] ? __create_object (mm/kmemleak.c:771) [ 20.655362][ T316] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 20.655693][ T316] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 20.656042][ T316] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 20.656452][ T316] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 20.656803][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 20.657153][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.657497][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.657832][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.658161][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 20.658505][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.658827][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.659159][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 20.659494][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.659816][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.660152][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 20.660491][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.660816][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 20.661151][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 20.661489][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 20.661808][ T316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 20.662142][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 20.662477][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.662813][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 20.663155][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 20.663489][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 20.663817][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 20.664152][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 20.664483][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 20.664890][ T316] ___sys_sendmsg (net/socket.c:2670) [ 20.665216][ T316] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 20.665557][ T316] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 20.665977][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 20.666308][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.666650][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.666987][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.667305][ T316] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 20.667646][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.668004][ T316] __sys_sendmsg (net/socket.c:2700) [ 20.668325][ T316] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 20.668733][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 20.669074][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.669397][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 20.669736][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 20.670145][ T316] RIP: 0033:0x7f79a32651e7 [ 20.670486][ T316] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 20.671630][ T316] RSP: 002b:00007ffd9b48bfb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 20.672138][ T316] RAX: ffffffffffffffda RBX: 00007ffd9b48c6e0 RCX: 00007f79a32651e7 [ 20.672619][ T316] RDX: 0000000000000000 RSI: 00007ffd9b48c020 RDI: 0000000000000005 [ 20.673125][ T316] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 20.673598][ T316] R10: 00000000340a0910 R11: 0000000000000246 R12: 0000000000000004 [ 20.674100][ T316] R13: 00000000686e3b84 R14: 0000000000499600 R15: 0000000000000000 | [ 20.789789][ T318] ------------[ cut here ]------------ | [ 20.790109][ T318] WARNING: CPU: 3 PID: 318 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 20.790717][ T318] Modules linked in: vrf bridge stp llc veth | [ 20.791797][ T318] Tainted: [W]=WARN [ 20.792045][ T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.792432][ T318] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 20.792753][ T318] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 20.793890][ T318] RSP: 0018:ffffc90000686ef0 EFLAGS: 00010246 [ 20.794293][ T318] RAX: 0000000000000000 RBX: ffff88800bb02000 RCX: 0000000000000001 [ 20.794756][ T318] RDX: 0000000000000000 RSI: ffffffffb0a9b941 RDI: ffffffffb02555e0 [ 20.795476][ T318] RBP: ffffc90000686fe0 R08: 0000000000000000 R09: 0000000000000000 [ 20.796271][ T318] R10: ffffc90000687010 R11: ffffffffb18a8918 R12: 1ffff920000d0de2 [ 20.797098][ T318] R13: 00000000000005dc R14: ffffc90000687010 R15: ffff88800bb02f08 [ 20.797945][ T318] FS: 00007f0e9c8a2800(0000) GS:ffff888083837000(0000) knlGS:0000000000000000 [ 20.798897][ T318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.799617][ T318] CR2: 00000000004e5ab8 CR3: 000000000cee7002 CR4: 0000000000772ef0 [ 20.800472][ T318] PKRU: 55555554 [ 20.800890][ T318] Call Trace: [ 20.801318][ T318] [ 20.801607][ T318] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 20.802176][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.802740][ T318] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 20.803252][ T318] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 20.803705][ T318] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 20.804048][ T318] netif_set_mtu (net/core/dev.c:9652) [ 20.804371][ T318] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 20.804687][ T318] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 20.805141][ T318] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 20.805375][ T318] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 20.805812][ T318] br_add_if (net/bridge/br_if.c:697) bridge [ 20.806200][ T318] do_set_master (net/core/rtnetlink.c:2948) [ 20.806516][ T318] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 20.806830][ T318] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 20.807236][ T318] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.807545][ T318] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 20.807873][ T318] ? __kernel_text_address (kernel/extable.c:79) [ 20.808377][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.808689][ T318] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 20.809030][ T318] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 20.809412][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.809723][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.810054][ T318] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 20.810361][ T318] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 20.810668][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.810998][ T318] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 20.811310][ T318] ? __create_object (mm/kmemleak.c:771) [ 20.811619][ T318] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 20.811951][ T318] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 20.812260][ T318] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 20.812639][ T318] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 20.812975][ T318] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 20.813288][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.813594][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.813934][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.814242][ T318] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 20.814556][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.814873][ T318] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 20.815193][ T318] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 20.815500][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.815821][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.816155][ T318] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 20.816468][ T318] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 20.816777][ T318] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 20.817118][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 20.817425][ T318] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 20.817734][ T318] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 20.818066][ T318] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 20.818374][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.818695][ T318] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 20.819035][ T318] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 20.819344][ T318] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 20.819662][ T318] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 20.820001][ T318] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 20.820310][ T318] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 20.820701][ T318] ___sys_sendmsg (net/socket.c:2670) [ 20.821109][ T318] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 20.821415][ T318] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) [ 20.821795][ T318] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 20.822148][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.822461][ T318] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 20.822773][ T318] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 20.823099][ T318] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 20.823416][ T318] ? __lock_release (kernel/locking/lockdep.c:5539) [ 20.823730][ T318] __sys_sendmsg (net/socket.c:2700) [ 20.824059][ T318] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 20.824444][ T318] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 20.824767][ T318] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 20.825100][ T318] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 20.825411][ T318] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 20.825806][ T318] RIP: 0033:0x7f0e9ca6f1e7 [ 20.826150][ T318] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 20.827478][ T318] RSP: 002b:00007ffd60e81738 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 20.827973][ T318] RAX: ffffffffffffffda RBX: 00007ffd60e81e60 RCX: 00007f0e9ca6f1e7 [ 20.828435][ T318] RDX: 0000000000000000 RSI: 00007ffd60e817a0 RDI: 0000000000000005 [ 20.828910][ T318] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 20.829379][ T318] R10: 000000003da18910 R11: 0000000000000246 R12: 0000000000000004 [ 20.829858][ T318] R13: 00000000686e3b84 R14: 0000000000499600 R15: 0000000000000000 | [ 41.206227][ T559] ------------[ cut here ]------------ | [ 41.206575][ T559] WARNING: CPU: 3 PID: 559 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 41.207339][ T559] Modules linked in: vrf bridge stp llc veth | [ 41.208553][ T559] Tainted: [W]=WARN [ 41.208792][ T559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.209250][ T559] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 41.209584][ T559] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 41.212001][ T559] RSP: 0018:ffffc90000f96ef0 EFLAGS: 00010246 [ 41.212447][ T559] RAX: 0000000000000000 RBX: ffff88800bb02000 RCX: 0000000000000001 [ 41.213328][ T559] RDX: 0000000000000000 RSI: ffffffffb0a9b941 RDI: ffffffffb02555e0 [ 41.213818][ T559] RBP: ffffc90000f96fe0 R08: 0000000000000000 R09: 0000000000000000 [ 41.214498][ T559] R10: ffffc90000f97010 R11: ffffffffb18a8918 R12: 1ffff920001f2de2 [ 41.215250][ T559] R13: 00000000000005dc R14: ffffc90000f97010 R15: ffff88800bb02f08 [ 41.215773][ T559] FS: 00007fca91a6b800(0000) GS:ffff888083837000(0000) knlGS:0000000000000000 [ 41.216341][ T559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.216867][ T559] CR2: 00000000004e5ac8 CR3: 000000000ce6e002 CR4: 0000000000772ef0 [ 41.217497][ T559] PKRU: 55555554 [ 41.217746][ T559] Call Trace: [ 41.218095][ T559] [ 41.218308][ T559] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 41.218698][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 41.219076][ T559] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 41.219479][ T559] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 41.219909][ T559] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 41.220266][ T559] netif_set_mtu (net/core/dev.c:9652) [ 41.220599][ T559] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 41.220944][ T559] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 41.221471][ T559] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 41.221763][ T559] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 41.222321][ T559] br_add_if (net/bridge/br_if.c:697) bridge [ 41.222753][ T559] do_set_master (net/core/rtnetlink.c:2948) [ 41.223150][ T559] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 41.223564][ T559] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 41.223976][ T559] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.224302][ T559] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 41.224686][ T559] ? __kernel_text_address (kernel/extable.c:79) [ 41.225033][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 41.225380][ T559] ? __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) [ 41.225708][ T559] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 41.226129][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 41.226456][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 41.226812][ T559] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 41.227268][ T559] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 41.227605][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 41.228089][ T559] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 41.228411][ T559] ? __create_object (mm/kmemleak.c:771) [ 41.228780][ T559] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 41.229220][ T559] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 41.229553][ T559] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 41.230115][ T559] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 41.230515][ T559] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 41.231000][ T559] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 41.231470][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 41.231810][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 41.232276][ T559] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 41.232755][ T559] ? __lock_release (kernel/locking/lockdep.c:5539) [ 41.233120][ T559] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 41.233453][ T559] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 41.233792][ T559] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 41.234135][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 41.234460][ T559] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 41.234805][ T559] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 41.235219][ T559] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 41.235570][ T559] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 41.235910][ T559] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 41.236443][ T559] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 41.236863][ T559] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 41.237424][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 41.237751][ T559] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 41.238104][ T559] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 41.238423][ T559] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 41.238807][ T559] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 41.239191][ T559] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 41.239510][ T559] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 41.240021][ T559] ___sys_sendmsg (net/socket.c:2670) [ 41.240346][ T559] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 41.240842][ T559] ? __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) [ 41.241662][ T559] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 41.242083][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 41.242446][ T559] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 41.242878][ T559] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 41.243287][ T559] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 41.243614][ T559] ? __lock_release (kernel/locking/lockdep.c:5539) [ 41.244082][ T559] __sys_sendmsg (net/socket.c:2700) [ 41.244549][ T559] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 41.245117][ T559] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 41.245447][ T559] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 41.245783][ T559] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 41.246154][ T559] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 41.246591][ T559] RIP: 0033:0x7fca91c381e7 [ 41.246949][ T559] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 41.248386][ T559] RSP: 002b:00007ffd7189d948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 41.248939][ T559] RAX: ffffffffffffffda RBX: 00007ffd7189e070 RCX: 00007fca91c381e7 [ 41.249443][ T559] RDX: 0000000000000000 RSI: 00007ffd7189d9b0 RDI: 0000000000000005 [ 41.250122][ T559] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 41.250752][ T559] R10: 000000003cefc910 R11: 0000000000000246 R12: 0000000000000003 [ 41.251389][ T559] R13: 00000000686e3b98 R14: 0000000000499600 R15: 0000000000000000 | [ 41.542798][ T564] ------------[ cut here ]------------ | [ 41.543943][ T564] WARNING: CPU: 3 PID: 564 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 41.544594][ T564] Modules linked in: vrf bridge stp llc veth | [ 41.545679][ T564] Tainted: [W]=WARN [ 41.545948][ T564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.546368][ T564] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 41.546700][ T564] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 41.547853][ T564] RSP: 0018:ffffc90000fc6f70 EFLAGS: 00010246 [ 41.548267][ T564] RAX: 0000000000000000 RBX: ffff88800bb02000 RCX: 0000000000000001 [ 41.548755][ T564] RDX: 0000000000000000 RSI: ffffffffb0a9b941 RDI: ffffffffb02555e0 [ 41.549248][ T564] RBP: ffffc90000fc7058 R08: 0000000000000000 R09: 0000000000000000 [ 41.549753][ T564] R10: ffffc90000fc7088 R11: fffffffface00130 R12: 1ffff920001f8df2 [ 41.550225][ T564] R13: 00000000000005dc R14: ffffc90000fc7088 R15: ffff88800bb02f08 [ 41.550690][ T564] FS: 00007f6c284df800(0000) GS:ffff888083837000(0000) knlGS:0000000000000000 [ 41.551246][ T564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.551635][ T564] CR2: 00000000004e5ac8 CR3: 000000000a99b006 CR4: 0000000000772ef0 [ 41.552105][ T564] PKRU: 55555554 [ 41.552336][ T564] Call Trace: [ 41.552564][ T564] [ 41.552727][ T564] ? __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) [ 41.553127][ T564] ? br_del_if (net/bridge/br_if.c:742) bridge [ 41.553476][ T564] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 41.553787][ T564] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 41.554106][ T564] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 41.554412][ T564] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 41.554746][ T564] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 41.555091][ T564] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 41.555403][ T564] ? ___sys_sendmsg (net/socket.c:2670) [ 41.555714][ T564] ? __sys_sendmsg (net/socket.c:2700) [ 41.556047][ T564] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 41.556359][ T564] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 41.556736][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 41.557069][ T564] netif_set_mtu (net/core/dev.c:9652) [ 41.557384][ T564] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 41.557709][ T564] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 41.557952][ T564] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 41.558376][ T564] br_del_if (net/bridge/br_if.c:743) bridge [ 41.558721][ T564] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 41.559042][ T564] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 41.559356][ T564] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 41.559665][ T564] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 41.560065][ T564] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.560385][ T564] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 41.560696][ T564] ? __kernel_text_address (kernel/extable.c:79) [ 41.561018][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 41.561325][ T564] ? __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) [ 41.561631][ T564] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 41.562023][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 41.562334][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 41.562651][ T564] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 41.562972][ T564] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 41.563280][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 41.563604][ T564] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 41.563933][ T564] ? __create_object (mm/kmemleak.c:771) [ 41.564255][ T564] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 41.564562][ T564] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 41.564873][ T564] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 41.565270][ T564] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 41.565590][ T564] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 41.565910][ T564] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 41.566228][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 41.566543][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 41.566849][ T564] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 41.567170][ T564] ? __lock_release (kernel/locking/lockdep.c:5539) [ 41.567478][ T564] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 41.567780][ T564] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 41.568099][ T564] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 41.568408][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 41.568717][ T564] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 41.569038][ T564] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 41.569345][ T564] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 41.569669][ T564] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 41.569984][ T564] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 41.570292][ T564] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 41.570599][ T564] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 41.570904][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 41.571228][ T564] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 41.571542][ T564] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 41.571854][ T564] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 41.572178][ T564] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 41.572488][ T564] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 41.572793][ T564] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 41.573208][ T564] ___sys_sendmsg (net/socket.c:2670) [ 41.573511][ T564] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 41.573818][ T564] ? __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) [ 41.574217][ T564] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 41.574524][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 41.574829][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 41.575151][ T564] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 41.575459][ T564] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 41.575772][ T564] ? __lock_release (kernel/locking/lockdep.c:5539) [ 41.576128][ T564] __sys_sendmsg (net/socket.c:2700) [ 41.576441][ T564] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 41.576817][ T564] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 41.577145][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 41.577460][ T564] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 41.577765][ T564] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 41.578157][ T564] RIP: 0033:0x7f6c286ac1e7 [ 41.578496][ T564] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 41.579601][ T564] RSP: 002b:00007ffea3df82d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 41.580076][ T564] RAX: ffffffffffffffda RBX: 00007ffea3df8a00 RCX: 00007f6c286ac1e7 [ 41.580533][ T564] RDX: 0000000000000000 RSI: 00007ffea3df8340 RDI: 0000000000000005 [ 41.581011][ T564] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 41.581466][ T564] R10: 00007f6c285a9ee8 R11: 0000000000000246 R12: 0000000000000002 [ 41.581942][ T564] R13: 00000000686e3b99 R14: 0000000000499600 R15: 0000000000000000 | [ 42.831414][ T579] ------------[ cut here ]------------ | [ 42.831762][ T579] WARNING: CPU: 3 PID: 579 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 42.832442][ T579] Modules linked in: vrf bridge stp llc veth | [ 42.833556][ T579] Tainted: [W]=WARN [ 42.833803][ T579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.834239][ T579] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 42.834582][ T579] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 42.835789][ T579] RSP: 0018:ffffc90001076ef0 EFLAGS: 00010246 [ 42.836229][ T579] RAX: 0000000000000000 RBX: ffff88800bb02000 RCX: 0000000000000001 [ 42.836733][ T579] RDX: 0000000000000000 RSI: ffffffffb0a9b941 RDI: ffffffffb02555e0 [ 42.837239][ T579] RBP: ffffc90001076fe0 R08: 0000000000000000 R09: 0000000000000000 [ 42.837719][ T579] R10: ffffc90001077010 R11: ffffffffb18a8918 R12: 1ffff9200020ede2 [ 42.838229][ T579] R13: 00000000000005dc R14: ffffc90001077010 R15: ffff88800bb02f08 [ 42.838721][ T579] FS: 00007f567be05800(0000) GS:ffff888083837000(0000) knlGS:0000000000000000 [ 42.839356][ T579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.839764][ T579] CR2: 00000000004e5ac8 CR3: 000000000ce8f001 CR4: 0000000000772ef0 [ 42.840282][ T579] PKRU: 55555554 [ 42.840529][ T579] Call Trace: [ 42.840771][ T579] [ 42.840963][ T579] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 42.841293][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 42.841625][ T579] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 42.841973][ T579] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 42.842379][ T579] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 42.842705][ T579] netif_set_mtu (net/core/dev.c:9652) [ 42.843052][ T579] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 42.843388][ T579] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 42.843849][ T579] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 42.844113][ T579] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 42.844571][ T579] br_add_if (net/bridge/br_if.c:697) bridge [ 42.844971][ T579] do_set_master (net/core/rtnetlink.c:2948) [ 42.845301][ T579] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 42.845625][ T579] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 42.846066][ T579] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.846385][ T579] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 42.846715][ T579] ? __kernel_text_address (kernel/extable.c:79) [ 42.847065][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 42.847390][ T579] ? __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) [ 42.847711][ T579] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 42.848125][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 42.848445][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 42.848761][ T579] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 42.849104][ T579] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 42.849429][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 42.849750][ T579] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 42.850098][ T579] ? __create_object (mm/kmemleak.c:771) [ 42.850422][ T579] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 42.850742][ T579] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 42.851096][ T579] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 42.851491][ T579] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 42.851818][ T579] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 42.852172][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 42.852493][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 42.852817][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 42.853165][ T579] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 42.853483][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) [ 42.853802][ T579] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 42.854149][ T579] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 42.854469][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 42.854796][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 42.855143][ T579] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 42.855464][ T579] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 42.855795][ T579] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 42.856157][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 42.856476][ T579] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 42.856794][ T579] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 42.857150][ T579] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 42.857469][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 42.857797][ T579] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 42.858146][ T579] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 42.858469][ T579] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 42.858799][ T579] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 42.859157][ T579] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 42.859491][ T579] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 42.859951][ T579] ___sys_sendmsg (net/socket.c:2670) [ 42.860279][ T579] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 42.860602][ T579] ? __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) [ 42.861022][ T579] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 42.861347][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 42.861678][ T579] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 42.862023][ T579] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 42.862356][ T579] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 42.862680][ T579] ? __lock_release (kernel/locking/lockdep.c:5539) [ 42.863018][ T579] __sys_sendmsg (net/socket.c:2700) [ 42.863337][ T579] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 42.863739][ T579] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 42.864088][ T579] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 42.864426][ T579] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 42.864754][ T579] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 42.865170][ T579] RIP: 0033:0x7f567bfd21e7 [ 42.865508][ T579] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 42.866679][ T579] RSP: 002b:00007ffccc1b2698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.867185][ T579] RAX: ffffffffffffffda RBX: 00007ffccc1b2dc0 RCX: 00007f567bfd21e7 [ 42.867671][ T579] RDX: 0000000000000000 RSI: 00007ffccc1b2700 RDI: 0000000000000005 [ 42.868167][ T579] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 42.868649][ T579] R10: 0000000027d54910 R11: 0000000000000246 R12: 0000000000000003 [ 42.869146][ T579] R13: 00000000686e3b9a R14: 0000000000499600 R15: 0000000000000000 | [ 43.170600][ T584] ------------[ cut here ]------------ | [ 43.170973][ T584] WARNING: CPU: 1 PID: 584 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 43.171581][ T584] Modules linked in: vrf bridge stp llc veth | [ 43.172699][ T584] Tainted: [W]=WARN [ 43.172941][ T584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.173321][ T584] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 43.173638][ T584] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 43.174893][ T584] RSP: 0018:ffffc90000d96f70 EFLAGS: 00010246 [ 43.175431][ T584] RAX: 0000000000000000 RBX: ffff88800bb02000 RCX: 0000000000000001 [ 43.175907][ T584] RDX: 0000000000000000 RSI: ffffffffb0a9b941 RDI: ffffffffb02555e0 [ 43.176592][ T584] RBP: ffffc90000d97058 R08: 0000000000000000 R09: 0000000000000000 [ 43.177221][ T584] R10: ffffc90000d97088 R11: ffffffffb0f79160 R12: 1ffff920001b2df2 [ 43.177680][ T584] R13: 00000000000005dc R14: ffffc90000d97088 R15: ffff88800bb02f08 [ 43.178289][ T584] FS: 00007fa57005f800(0000) GS:ffff888083737000(0000) knlGS:0000000000000000 [ 43.178819][ T584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.179446][ T584] CR2: 00000000004e5ac8 CR3: 000000000f904006 CR4: 0000000000772ef0 [ 43.180119][ T584] PKRU: 55555554 [ 43.180349][ T584] Call Trace: [ 43.180577][ T584] [ 43.180746][ T584] ? __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) [ 43.181303][ T584] ? br_del_if (net/bridge/br_if.c:742) bridge [ 43.181669][ T584] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 43.182154][ T584] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 43.182490][ T584] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 43.182807][ T584] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 43.183263][ T584] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 43.183569][ T584] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 43.183874][ T584] ? ___sys_sendmsg (net/socket.c:2670) [ 43.184242][ T584] ? __sys_sendmsg (net/socket.c:2700) [ 43.184549][ T584] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 43.184850][ T584] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 43.185246][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 43.185562][ T584] netif_set_mtu (net/core/dev.c:9652) [ 43.185890][ T584] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 43.186225][ T584] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 43.186458][ T584] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 43.186882][ T584] br_del_if (net/bridge/br_if.c:743) bridge [ 43.187258][ T584] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 43.187571][ T584] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) [ 43.187878][ T584] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 43.188197][ T584] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 43.188584][ T584] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.188888][ T584] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 43.189208][ T584] ? __kernel_text_address (kernel/extable.c:79) [ 43.189515][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 43.189833][ T584] ? __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) [ 43.190154][ T584] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 43.190535][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 43.190843][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 43.191159][ T584] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 43.191462][ T584] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 43.191769][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 43.192102][ T584] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 43.192409][ T584] ? __create_object (mm/kmemleak.c:771) [ 43.192718][ T584] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 43.193053][ T584] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 43.193362][ T584] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 43.193739][ T584] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 43.194066][ T584] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 43.194381][ T584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 43.194691][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 43.195012][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 43.195315][ T584] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 43.195616][ T584] ? __lock_release (kernel/locking/lockdep.c:5539) [ 43.195950][ T584] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 43.196255][ T584] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 43.196563][ T584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 43.196872][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 43.197202][ T584] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 43.197507][ T584] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 43.197809][ T584] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 43.198137][ T584] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 43.198441][ T584] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 43.198745][ T584] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 43.199062][ T584] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 43.199377][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 43.199704][ T584] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 43.200030][ T584] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 43.200334][ T584] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 43.200646][ T584] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 43.200967][ T584] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 43.201270][ T584] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 43.201666][ T584] ___sys_sendmsg (net/socket.c:2670) [ 43.201986][ T584] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 43.202301][ T584] ? __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) [ 43.202682][ T584] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 43.203000][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 43.203312][ T584] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 43.203621][ T584] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 43.203945][ T584] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 43.204250][ T584] ? __lock_release (kernel/locking/lockdep.c:5539) [ 43.204562][ T584] __sys_sendmsg (net/socket.c:2700) [ 43.204867][ T584] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 43.205259][ T584] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 43.205576][ T584] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 43.205896][ T584] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 43.206225][ T584] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 43.206603][ T584] RIP: 0033:0x7fa57022c1e7 [ 43.206937][ T584] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 43.208030][ T584] RSP: 002b:00007ffec239a448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 43.208499][ T584] RAX: ffffffffffffffda RBX: 00007ffec239ab70 RCX: 00007fa57022c1e7 [ 43.208967][ T584] RDX: 0000000000000000 RSI: 00007ffec239a4b0 RDI: 0000000000000005 [ 43.209424][ T584] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 43.209877][ T584] R10: 00007fa570129ee8 R11: 0000000000000246 R12: 0000000000000002 [ 43.210351][ T584] R13: 00000000686e3b9a R14: 0000000000499600 R15: 0000000000000000 | [ 106.324835][ T1324] ------------[ cut here ]------------ | [ 106.325697][ T1324] WARNING: CPU: 3 PID: 1324 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) | [ 106.326366][ T1324] Modules linked in: vrf bridge stp llc veth | [ 106.327405][ T1324] Tainted: [W]=WARN [ 106.327639][ T1324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.328035][ T1324] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) [ 106.328373][ T1324] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 All code ======== 0: 00 00 add %al,(%rax) 2: 8b 05 d7 bc 3a 02 mov 0x23abcd7(%rip),%eax # 0x23abcdf 8: 85 c0 test %eax,%eax a: 0f 84 52 fe ff ff je 0xfffffffffffffe62 10: 48 8d bb a0 0c 00 00 lea 0xca0(%rbx),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 1a 63 7b 00 call 0x7b633b 21: 85 c0 test %eax,%eax 23: 0f 85 39 fe ff ff jne 0xfffffffffffffe62 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: e9 30 fe ff ff jmp 0xfffffffffffffe62 32: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 39: fc ff df 3c: 4c 89 fa mov %r15,%rdx 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: e9 30 fe ff ff jmp 0xfffffffffffffe38 8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax f: fc ff df 12: 4c 89 fa mov %r15,%rdx 15: 48 rex.W [ 106.329494][ T1324] RSP: 0018:ffffc90002346ef0 EFLAGS: 00010246 [ 106.329928][ T1324] RAX: 0000000000000000 RBX: ffff88800bb02000 RCX: 0000000000000001 [ 106.330405][ T1324] RDX: 0000000000000000 RSI: ffffffffb0a9b941 RDI: ffffffffb02555e0 [ 106.330867][ T1324] RBP: ffffc90002346fe0 R08: 0000000000000000 R09: 0000000000000000 [ 106.331389][ T1324] R10: ffffc90002347010 R11: ffffffffb18a8918 R12: 1ffff92000468de2 [ 106.331872][ T1324] R13: 00000000000005dc R14: ffffc90002347010 R15: ffff88800bb02f08 [ 106.332356][ T1324] FS: 00007f560e1de800(0000) GS:ffff888083837000(0000) knlGS:0000000000000000 [ 106.332902][ T1324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.333307][ T1324] CR2: 00000000004e5ac8 CR3: 000000000f055003 CR4: 0000000000772ef0 [ 106.333770][ T1324] PKRU: 55555554 [ 106.334019][ T1324] Call Trace: [ 106.334254][ T1324] [ 106.334428][ T1324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) [ 106.334739][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 106.335067][ T1324] ? mark_held_locks (kernel/locking/lockdep.c:4328) [ 106.335395][ T1324] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 106.335798][ T1324] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) [ 106.336131][ T1324] netif_set_mtu (net/core/dev.c:9652) [ 106.336454][ T1324] ? __pfx_netif_set_mtu (net/core/dev.c:9647) [ 106.336771][ T1324] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge [ 106.337218][ T1324] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) [ 106.337534][ T1324] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge [ 106.337999][ T1324] br_add_if (net/bridge/br_if.c:697) bridge [ 106.338383][ T1324] do_set_master (net/core/rtnetlink.c:2948) [ 106.338698][ T1324] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) [ 106.339018][ T1324] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) [ 106.339416][ T1324] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 106.339723][ T1324] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) [ 106.340058][ T1324] ? __kernel_text_address (kernel/extable.c:79) [ 106.340389][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.340722][ T1324] ? __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) [ 106.341057][ T1324] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) [ 106.341464][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 106.341771][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 106.342099][ T1324] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 106.342421][ T1324] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) [ 106.342734][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 106.343059][ T1324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) [ 106.343389][ T1324] ? __create_object (mm/kmemleak.c:771) [ 106.343701][ T1324] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) [ 106.344022][ T1324] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 106.344348][ T1324] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 106.344729][ T1324] ? __rtnl_newlink (net/core/rtnetlink.c:3907) [ 106.345052][ T1324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) [ 106.345378][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.345689][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.346075][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 106.346402][ T1324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) [ 106.346719][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) [ 106.347038][ T1324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) [ 106.347357][ T1324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) [ 106.347664][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.348008][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.348327][ T1324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 106.348641][ T1324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) [ 106.348968][ T1324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 106.349299][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) [ 106.349611][ T1324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 106.349932][ T1324] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) [ 106.350374][ T1324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) [ 106.350686][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.351006][ T1324] netlink_sendmsg (net/netlink/af_netlink.c:1896) [ 106.351341][ T1324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) [ 106.351650][ T1324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) [ 106.351986][ T1324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) [ 106.352303][ T1324] ? __pfx_____sys_sendmsg (net/socket.c:2560) [ 106.352608][ T1324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) [ 106.353028][ T1324] ___sys_sendmsg (net/socket.c:2670) [ 106.353333][ T1324] ? kasan_record_aux_stack (mm/kasan/generic.c:548) [ 106.353641][ T1324] ? __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) [ 106.354038][ T1324] ? __pfx____sys_sendmsg (net/socket.c:2657) [ 106.354351][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 106.354667][ T1324] ? __lock_acquire (kernel/locking/lockdep.c:5240) [ 106.355022][ T1324] ? find_held_lock (kernel/locking/lockdep.c:5353) [ 106.355335][ T1324] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) [ 106.355644][ T1324] ? __lock_release (kernel/locking/lockdep.c:5539) [ 106.356030][ T1324] __sys_sendmsg (net/socket.c:2700) [ 106.356337][ T1324] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) [ 106.356715][ T1324] ? __pfx___sys_sendmsg (net/socket.c:2685) [ 106.357037][ T1324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) [ 106.357344][ T1324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 106.357700][ T1324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 106.358098][ T1324] RIP: 0033:0x7f560e3ab1e7 [ 106.358414][ T1324] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 106.359527][ T1324] RSP: 002b:00007ffe0a9e77e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 106.360024][ T1324] RAX: ffffffffffffffda RBX: 00007ffe0a9e7f10 RCX: 00007f560e3ab1e7 [ 106.360499][ T1324] RDX: 0000000000000000 RSI: 00007ffe0a9e7850 RDI: 0000000000000005 [ 106.360961][ T1324] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 106.361422][ T1324] R10: 0000000001253910 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