====================================== | [ 81.035373][ T68] ------------[ cut here ]------------ | [ 81.035722][ T68] RTNL: assertion failed at net/core/link_watch.c (59) | [ 81.035973][ T68] WARNING: CPU: 3 PID: 68 at net/core/link_watch.c:59 default_operstate (net/core/link_watch.c:59 (discriminator 3)) | [ 81.036297][ T68] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q br_netfilter bridge stp llc nft_masq nf_conntrack_netlink nft_ct tcp_diag inet_diag dummy xt_REDIRECT nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat veth nf_log_syslog nft_log nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nf_tables libcrc32c [ 81.037673][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 81.037915][ T68] Workqueue: netns cleanup_net [ 81.038120][ T68] RIP: 0010:default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 81.038307][ T68] 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 96 48 c7 c7 e0 67 77 96 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 96 mov $0xffffffff967767a0,%rsi 1d: 48 c7 c7 e0 67 77 96 mov $0xffffffff967767e0,%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 [ 81.038912][ T68] RSP: 0018:ffffc90000497a48 EFLAGS: 00010282 [ 81.039145][ T68] RAX: 0000000000000000 RBX: ffff8880057c9000 RCX: 1ffffffff2dfb678 [ 81.039401][ T68] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 81.039666][ T68] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff2dfb678 [ 81.039936][ T68] R10: 0000000000000003 R11: ffff888008e62300 R12: 0000000000000000 [ 81.040204][ T68] R13: dffffc0000000000 R14: ffff88800bbc4000 R15: ffff8880057c95b0 [ 81.040463][ T68] FS: 0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 81.040761][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.041221][ T68] CR2: 000055b52da4e0b8 CR3: 000000001c126001 CR4: 0000000000772ef0 [ 81.041489][ T68] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.041750][ T68] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.042013][ T68] PKRU: 55555554 [ 81.042164][ T68] Call Trace: [ 81.042302][ T68] [ 81.042400][ T68] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 81.042580][ T68] ? __warn (kernel/panic.c:748) [ 81.042718][ T68] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 81.042891][ T68] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 81.043074][ T68] ? handle_bug (arch/x86/kernel/traps.c:285) [ 81.043216][ T68] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 81.043391][ T68] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 81.043577][ T68] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 81.043752][ T68] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 81.043927][ T68] rfc2863_policy (net/core/link_watch.c:78) [ 81.044119][ T68] linkwatch_do_dev (net/core/link_watch.c:180) [ 81.044298][ T68] netdev_run_todo (net/core/dev.c:10894 (discriminator 2)) [ 81.044478][ T68] ? __pfx_netdev_run_todo (net/core/dev.c:10867) [ 81.044653][ T68] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11455) [ 81.044877][ T68] default_device_exit_batch (net/core/dev.c:12051) [ 81.045055][ T68] ? __pfx_default_device_exit_batch (net/core/dev.c:12051) [ 81.045282][ T68] ? 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) [ 81.045468][ T68] ? 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) [ 81.045692][ T68] cleanup_net (net/core/net_namespace.c:647 (discriminator 3)) [ 81.045867][ T68] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 81.046044][ T68] ? __pfx_cleanup_net (net/core/net_namespace.c:592) [ 81.046228][ T68] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 81.046413][ T68] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 81.046587][ T68] ? process_one_work (kernel/workqueue.c:3205) [ 81.046769][ T68] process_one_work (kernel/workqueue.c:3229) [ 81.046953][ T68] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 81.047135][ T68] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 81.047316][ T68] ? assign_work (kernel/workqueue.c:1200) [ 81.047487][ T68] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 81.047665][ T68] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 81.047882][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 81.048054][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 81.048236][ T68] kthread (kernel/kthread.c:389) [ 81.048369][ T68] ? __pfx_kthread (kernel/kthread.c:342) [ 81.048545][ T68] ret_from_fork (arch/x86/kernel/process.c:147) [ 81.048720][ T68] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: default_operstate:rfc2863_policy:linkwatch_do_dev:netdev_run_todo:default_device_exit_batch