====================================== | [ 32.274705][ T68] ------------[ cut here ]------------ | [ 32.275126][ T68] RTNL: assertion failed at net/core/link_watch.c (59) | [ 32.275398][ T68] WARNING: CPU: 2 PID: 68 at net/core/link_watch.c:59 default_operstate (net/core/link_watch.c:59 (discriminator 3)) | [ 32.275716][ T68] Modules linked in: sctp ip6_udp_tunnel udp_tunnel xt_conntrack nft_compat sch_netem cls_u32 sch_htb nft_synproxy nf_synproxy_core nft_ct nf_tables veth nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 [ 32.276738][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.276983][ T68] Workqueue: netns cleanup_net [ 32.277178][ T68] RIP: 0010:default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 32.277373][ 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 97 94 48 c7 c7 e0 67 97 94 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 97 94 mov $0xffffffff949767a0,%rsi 1d: 48 c7 c7 e0 67 97 94 mov $0xffffffff949767e0,%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 [ 32.277990][ T68] RSP: 0018:ffffc90000497a48 EFLAGS: 00010282 [ 32.278256][ T68] RAX: 0000000000000000 RBX: ffff888002894000 RCX: 1ffffffff2a3b678 [ 32.278526][ T68] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 32.278796][ T68] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff2a3b678 [ 32.279080][ T68] R10: 0000000000000003 R11: ffff8880083b2300 R12: 0000000000000000 [ 32.279351][ T68] R13: dffffc0000000000 R14: ffff888008319000 R15: ffff8880028945b0 [ 32.279621][ T68] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000 [ 32.279941][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.280448][ T68] CR2: 00007f93bb164000 CR3: 0000000023526006 CR4: 0000000000772ef0 [ 32.280727][ T68] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.281018][ T68] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.281284][ T68] PKRU: 55555554 [ 32.281431][ T68] Call Trace: [ 32.281586][ T68] [ 32.281690][ T68] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 32.281893][ T68] ? __warn (kernel/panic.c:748) [ 32.282050][ T68] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 32.282236][ T68] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 32.282432][ T68] ? handle_bug (arch/x86/kernel/traps.c:285) [ 32.282577][ T68] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 32.282760][ T68] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 32.282976][ T68] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 32.283165][ T68] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 32.283359][ T68] rfc2863_policy (net/core/link_watch.c:78) [ 32.283553][ T68] linkwatch_do_dev (net/core/link_watch.c:180) [ 32.283738][ T68] netdev_run_todo (net/core/dev.c:10894 (discriminator 2)) [ 32.283939][ T68] ? __pfx_netdev_run_todo (net/core/dev.c:10867) [ 32.284122][ T68] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11455) [ 32.284360][ T68] default_device_exit_batch (net/core/dev.c:12051) [ 32.284547][ T68] ? __pfx_default_device_exit_batch (net/core/dev.c:12051) [ 32.284773][ 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) [ 32.284973][ 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) [ 32.285208][ T68] cleanup_net (net/core/net_namespace.c:647 (discriminator 3)) [ 32.285397][ T68] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 32.285576][ T68] ? __pfx_cleanup_net (net/core/net_namespace.c:592) [ 32.285768][ T68] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 32.285969][ T68] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 32.286157][ T68] ? process_one_work (kernel/workqueue.c:3205) [ 32.286345][ T68] process_one_work (kernel/workqueue.c:3229) [ 32.286545][ T68] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 32.286736][ T68] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 32.286940][ T68] ? assign_work (kernel/workqueue.c:1200) [ 32.287136][ T68] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 32.287325][ T68] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 32.287557][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 32.287742][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 32.287938][ T68] kthread (kernel/kthread.c:389) [ 32.288083][ T68] ? __pfx_kthread (kernel/kthread.c:342) [ 32.288269][ T68] ret_from_fork (arch/x86/kernel/process.c:147) [ 32.288456][ T68] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: default_operstate:rfc2863_policy:linkwatch_do_dev:netdev_run_todo:default_device_exit_batch