====================================== | [ 19.175280][ T69] ------------[ cut here ]------------ | [ 19.175623][ T69] RTNL: assertion failed at net/core/link_watch.c (59) | [ 19.175876][ T69] WARNING: CPU: 3 PID: 69 at net/core/link_watch.c:59 default_operstate (net/core/link_watch.c:59 (discriminator 3)) | [ 19.176170][ T69] Modules linked in: ebtable_filter ebt_redirect ebt_ip ebtable_broute ebtables bridge stp llc veth [ 19.176839][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.177056][ T69] Workqueue: netns cleanup_net [ 19.177227][ T69] RIP: 0010:default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 19.177407][ T69] Code: 83 e4 01 0f 85 03 ff ff ff c6 05 09 a7 37 02 01 90 ba 3b 00 00 00 48 c7 c6 a0 67 77 92 48 c7 c7 e0 67 77 92 e8 c3 8b e7 fd 90 <0f> 0b 90 90 e9 d9 fe ff ff 48 89 ef e8 11 be 71 fe e9 f7 fd ff ff All code ======== 0: 83 e4 01 and $0x1,%esp 3: 0f 85 03 ff ff ff jne 0xffffffffffffff0c 9: c6 05 09 a7 37 02 01 movb $0x1,0x237a709(%rip) # 0x237a719 10: 90 nop 11: ba 3b 00 00 00 mov $0x3b,%edx 16: 48 c7 c6 a0 67 77 92 mov $0xffffffff927767a0,%rsi 1d: 48 c7 c7 e0 67 77 92 mov $0xffffffff927767e0,%rdi 24: e8 c3 8b e7 fd call 0xfffffffffde78bec 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: e9 d9 fe ff ff jmp 0xffffffffffffff0c 33: 48 89 ef mov %rbp,%rdi 36: e8 11 be 71 fe call 0xfffffffffe71be4c 3b: e9 f7 fd ff ff jmp 0xfffffffffffffe37 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: e9 d9 fe ff ff jmp 0xfffffffffffffee2 9: 48 89 ef mov %rbp,%rdi c: e8 11 be 71 fe call 0xfffffffffe71be22 11: e9 f7 fd ff ff jmp 0xfffffffffffffe0d [ 19.177979][ T69] RSP: 0018:ffffc900004a7a48 EFLAGS: 00010282 [ 19.178189][ T69] RAX: 0000000000000000 RBX: ffff8880087c9000 RCX: 1ffffffff25fb678 [ 19.178449][ T69] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 19.178714][ T69] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff25fb678 [ 19.178980][ T69] R10: 0000000000000003 R11: ffff888007dfc5c0 R12: 0000000000000000 [ 19.179222][ T69] R13: dffffc0000000000 R14: ffff888008a71000 R15: ffff8880087c95b0 [ 19.179477][ T69] FS: 0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 19.179758][ T69] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.179963][ T69] CR2: 0000555e67b14dec CR3: 000000000983e001 CR4: 0000000000772ef0 [ 19.180206][ T69] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.180650][ T69] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.180900][ T69] PKRU: 55555554 [ 19.181052][ T69] Call Trace: [ 19.181181][ T69] [ 19.181270][ T69] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 19.181456][ T69] ? __warn (kernel/panic.c:748) [ 19.181588][ T69] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 19.181756][ T69] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 19.181931][ T69] ? handle_bug (arch/x86/kernel/traps.c:285) [ 19.182057][ T69] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 19.182232][ T69] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 19.182427][ T69] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 19.182590][ T69] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 19.182751][ T69] rfc2863_policy (net/core/link_watch.c:78) [ 19.182914][ T69] linkwatch_do_dev (net/core/link_watch.c:180) [ 19.183080][ T69] netdev_run_todo (net/core/dev.c:10894 (discriminator 2)) [ 19.183250][ T69] ? __pfx_netdev_run_todo (net/core/dev.c:10867) [ 19.183433][ T69] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11455) [ 19.183650][ T69] default_device_exit_batch (net/core/dev.c:12051) [ 19.183817][ T69] ? __pfx_default_device_exit_batch (net/core/dev.c:12051) [ 19.184019][ T69] ? 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) [ 19.184181][ T69] ? 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) [ 19.184403][ T69] cleanup_net (net/core/net_namespace.c:647 (discriminator 3)) [ 19.184573][ T69] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 19.184743][ T69] ? __pfx_cleanup_net (net/core/net_namespace.c:592) [ 19.184906][ T69] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 19.185070][ T69] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 19.185236][ T69] ? process_one_work (kernel/workqueue.c:3205) [ 19.185420][ T69] process_one_work (kernel/workqueue.c:3229) [ 19.185596][ T69] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 19.185763][ T69] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 19.185943][ T69] ? assign_work (kernel/workqueue.c:1200) [ 19.186110][ T69] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 19.186279][ T69] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 19.186495][ T69] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 19.186662][ T69] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 19.186831][ T69] kthread (kernel/kthread.c:389) [ 19.186957][ T69] ? __pfx_kthread (kernel/kthread.c:342) [ 19.187132][ T69] ret_from_fork (arch/x86/kernel/process.c:147) [ 19.187300][ T69] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: default_operstate:rfc2863_policy:linkwatch_do_dev:netdev_run_todo:default_device_exit_batch