====================================== | [ 18.862085][ T11] br0: port 1(vtep-host) entered disabled state | [ 19.265655][ T11] ------------[ cut here ]------------ | [ 19.265880][ T11] WARNING: CPU: 2 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 19.266254][ T11] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q veth br_netfilter bridge stp llc [ 19.266896][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.267108][ T11] Workqueue: netns cleanup_net [ 19.267286][ T11] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 19.267474][ T11] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 60 34 f7 b3 e8 3a 3f f3 fd e8 05 ad 72 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 53 dd 71 fe 48 8b 34 24 eb All code ======== 0: ff 31 push (%rcx) 2: d2 be 8f 00 00 00 sarb %cl,0x8f(%rsi) 8: 48 c7 c7 60 34 f7 b3 mov $0xffffffffb3f73460,%rdi f: e8 3a 3f f3 fd call 0xfffffffffdf33f4e 14: e8 05 ad 72 00 call 0x72ad1e 19: 48 85 db test %rbx,%rbx 1c: 75 c4 jne 0xffffffffffffffe2 1e: 48 83 c4 08 add $0x8,%rsp 22: 5b pop %rbx 23: 5d pop %rbp 24: c3 ret 25: cc int3 26: cc int3 27: cc int3 28: cc int3 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: eb 8e jmp 0xffffffffffffffbd 2f: 48 89 f7 mov %rsi,%rdi 32: 48 89 34 24 mov %rsi,(%rsp) 36: e8 53 dd 71 fe call 0xfffffffffe71dd8e 3b: 48 8b 34 24 mov (%rsp),%rsi 3f: eb .byte 0xeb Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: eb 8e jmp 0xffffffffffffff93 5: 48 89 f7 mov %rsi,%rdi 8: 48 89 34 24 mov %rsi,(%rsp) c: e8 53 dd 71 fe call 0xfffffffffe71dd64 11: 48 8b 34 24 mov (%rsp),%rsi 15: eb .byte 0xeb [ 19.268000][ T11] RSP: 0018:ffffc900000b79c0 EFLAGS: 00010287 [ 19.268210][ T11] RAX: ffff888008b695b0 RBX: ffff888001a82300 RCX: ffffffffb37048aa [ 19.268461][ T11] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888007f41178 [ 19.268699][ T11] RBP: ffff888007f411b8 R08: 0000000000000001 R09: fffff52000016f12 [ 19.268938][ T11] R10: ffffc900000b7897 R11: ffff888001a82300 R12: ffffc900000b7b40 [ 19.269173][ T11] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900000b7a70 [ 19.269418][ T11] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 19.269708][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.269908][ T11] CR2: 000055e196b0fdec CR3: 00000000091fa002 CR4: 0000000000772ef0 [ 19.270140][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.270383][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.270620][ T11] PKRU: 55555554 [ 19.270755][ T11] Call Trace: [ 19.270881][ T11] [ 19.270978][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 19.271141][ T11] ? __warn (kernel/panic.c:748) [ 19.271273][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 19.271447][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 19.271615][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) [ 19.271744][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 19.271909][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 19.272077][ T11] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913) [ 19.272244][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 19.272421][ T11] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 19.272631][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 19.272825][ T11] ? default_device_exit_batch (net/core/dev.c:12133) [ 19.272992][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163) [ 19.273160][ T11] ? unregister_netdevice_queue (net/core/dev.c:11521) [ 19.273359][ T11] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520) [ 19.273556][ T11] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520) [ 19.273759][ T11] default_device_exit_batch (net/core/dev.c:12147) [ 19.273920][ T11] ? __pfx_default_device_exit_batch (net/core/dev.c:12122) [ 19.274113][ T11] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:66) [ 19.274280][ T11] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:585 net/ipv4/nexthop.c:2158 net/ipv4/nexthop.c:2666 net/ipv4/nexthop.c:4010) [ 19.274490][ T11] cleanup_net (net/core/net_namespace.c:651 (discriminator 3)) [ 19.274657][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 19.274819][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 19.274979][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 19.275144][ T11] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 19.275303][ T11] ? process_one_work (kernel/workqueue.c:3205) [ 19.275490][ T11] process_one_work (kernel/workqueue.c:3229) [ 19.275661][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 19.275825][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 19.275994][ T11] ? assign_work (kernel/workqueue.c:1200) [ 19.276161][ T11] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 19.276351][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 19.276513][ T11] kthread (kernel/kthread.c:389) [ 19.276638][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 19.276808][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 19.276967][ T11] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: __rtnl_unlock:unregister_netdevice_many_notify:default_device_exit_batch:cleanup_net:process_one_work