====================================== | [ 1125.995524][ T66] ------------[ cut here ]------------ | [ 1125.996007][ T66] RTNL: assertion failed at net/core/link_watch.c (59) | [ 1125.996405][ T66] WARNING: CPU: 1 PID: 66 at net/core/link_watch.c:59 default_operstate (net/core/link_watch.c:59 (discriminator 3)) | [ 1125.996849][ T66] Modules linked in: esp4 sha1_generic xfrm_user 8021q bridge stp llc nft_flow_offload nf_flow_table_inet nf_flow_table nf_conntrack_netlink nft_redir nft_nat nft_masq nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 tcp_diag inet_diag veth nf_tables libcrc32c [ 1125.998719][ T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1125.999034][ T66] Workqueue: netns cleanup_net [ 1125.999349][ T66] RIP: 0010:default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 1125.999666][ T66] 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 d7 a8 48 c7 c7 e0 67 d7 a8 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 d7 a8 mov $0xffffffffa8d767a0,%rsi 1d: 48 c7 c7 e0 67 d7 a8 mov $0xffffffffa8d767e0,%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 [ 1126.000554][ T66] RSP: 0018:ffffc90000477a48 EFLAGS: 00010282 [ 1126.000877][ T66] RAX: 0000000000000000 RBX: ffff888014721000 RCX: 1ffffffff52bb678 [ 1126.001235][ T66] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 1126.001629][ T66] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff52bb678 [ 1126.001995][ T66] R10: 0000000000000003 R11: ffff8880086a45c0 R12: 0000000000000000 [ 1126.002373][ T66] R13: dffffc0000000000 R14: ffff888014724000 R15: ffff8880147215b0 [ 1126.002774][ T66] FS: 0000000000000000(0000) GS:ffff88802f480000(0000) knlGS:0000000000000000 [ 1126.003212][ T66] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1126.003674][ T66] CR2: 00007fd0f9a3d970 CR3: 0000000034b26001 CR4: 0000000000772ef0 [ 1126.004051][ T66] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1126.004566][ T66] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1126.004941][ T66] PKRU: 55555554 [ 1126.005152][ T66] Call Trace: [ 1126.005344][ T66] [ 1126.005608][ T66] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 1126.005863][ T66] ? __warn (kernel/panic.c:748) [ 1126.006056][ T66] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 1126.006308][ T66] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1126.006987][ T66] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1126.007111][ T66] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1126.007274][ T66] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1126.007509][ T66] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 1126.007663][ T66] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 1126.007835][ T66] rfc2863_policy (net/core/link_watch.c:78) [ 1126.007998][ T66] linkwatch_do_dev (net/core/link_watch.c:180) [ 1126.008152][ T66] netdev_run_todo (net/core/dev.c:10894 (discriminator 2)) [ 1126.008310][ T66] ? __pfx_netdev_run_todo (net/core/dev.c:10867) [ 1126.008532][ T66] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11455) [ 1126.008747][ T66] default_device_exit_batch (net/core/dev.c:12051) [ 1126.008995][ T66] ? __pfx_default_device_exit_batch (net/core/dev.c:12051) [ 1126.009303][ T66] ? 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) [ 1126.009555][ T66] ? 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) [ 1126.009762][ T66] cleanup_net (net/core/net_namespace.c:647 (discriminator 3)) [ 1126.009917][ T66] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 1126.010079][ T66] ? __pfx_cleanup_net (net/core/net_namespace.c:592) [ 1126.010230][ T66] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 1126.010461][ T66] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 1126.010612][ T66] ? process_one_work (kernel/workqueue.c:3205) [ 1126.010790][ T66] process_one_work (kernel/workqueue.c:3229) [ 1126.010953][ T66] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 1126.011106][ T66] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 1126.011280][ T66] ? assign_work (kernel/workqueue.c:1200) [ 1126.011503][ T66] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 1126.011663][ T66] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1126.011872][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1126.012026][ T66] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1126.012178][ T66] kthread (kernel/kthread.c:389) [ 1126.012296][ T66] ? __pfx_kthread (kernel/kthread.c:342) [ 1126.012516][ T66] ret_from_fork (arch/x86/kernel/process.c:147) [ 1126.012684][ T66] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: default_operstate:rfc2863_policy:linkwatch_do_dev:netdev_run_todo:default_device_exit_batch