====================================== | [ 273.986383][ T67] ------------[ cut here ]------------ | [ 273.986787][ T67] RTNL: assertion failed at net/core/link_watch.c (59) | [ 273.987028][ T67] WARNING: CPU: 2 PID: 67 at net/core/link_watch.c:59 default_operstate (net/core/link_watch.c:59 (discriminator 3)) | [ 273.987330][ T67] Modules linked in: act_gact ip_gre gre dummy vxlan ip6_udp_tunnel udp_tunnel act_vlan cls_flower sch_ingress bridge stp llc 8021q vrf veth [ 273.988384][ T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 273.988592][ T67] Workqueue: netns cleanup_net [ 273.988767][ T67] RIP: 0010:default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 273.989006][ T67] Code: 83 e4 01 0f 85 03 ff ff ff c6 05 2e 39 3a 02 01 90 ba 3b 00 00 00 48 c7 c6 00 2b 57 88 48 c7 c7 40 2b 57 88 e8 13 95 ea fd 90 <0f> 0b 90 90 e9 d9 fe ff ff 48 89 ef e8 d1 bb 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 2e 39 3a 02 01 movb $0x1,0x23a392e(%rip) # 0x23a393e 10: 90 nop 11: ba 3b 00 00 00 mov $0x3b,%edx 16: 48 c7 c6 00 2b 57 88 mov $0xffffffff88572b00,%rsi 1d: 48 c7 c7 40 2b 57 88 mov $0xffffffff88572b40,%rdi 24: e8 13 95 ea fd call 0xfffffffffdea953c 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 d1 bb 71 fe call 0xfffffffffe71bc0c 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 d1 bb 71 fe call 0xfffffffffe71bbe2 11: e9 f7 fd ff ff jmp 0xfffffffffffffe0d [ 273.989568][ T67] RSP: 0000:ffffc90000487a48 EFLAGS: 00010282 [ 273.989795][ T67] RAX: 0000000000000000 RBX: ffff8880089e4000 RCX: 1ffffffff11bb58c [ 273.990058][ T67] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 273.990320][ T67] RBP: 0000000000000007 R08: 0000000000000000 R09: fffffbfff11bb58c [ 273.990570][ T67] R10: 0000000000000003 R11: ffff888005f00040 R12: 0000000000000000 [ 273.990818][ T67] R13: dffffc0000000000 R14: ffff888008b41000 R15: ffff8880089e45b0 [ 273.991061][ T67] FS: 0000000000000000(0000) GS:ffff88802f500000(0000) knlGS:0000000000000000 [ 273.991355][ T67] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 273.991557][ T67] CR2: 0000000000486ac8 CR3: 000000000223e001 CR4: 0000000000772ef0 [ 273.991805][ T67] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 273.992054][ T67] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 273.992309][ T67] PKRU: 55555554 [ 273.992451][ T67] Call Trace: [ 273.992594][ T67] <TASK> [ 273.992693][ T67] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 273.993095][ T67] ? __warn (kernel/panic.c:748) [ 273.993258][ T67] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 273.993444][ T67] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 273.993632][ T67] ? handle_bug (arch/x86/kernel/traps.c:285) [ 273.993774][ T67] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 273.993951][ T67] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 273.994134][ T67] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 273.994318][ T67] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 273.994491][ T67] rfc2863_policy (net/core/link_watch.c:78) [ 273.994659][ T67] linkwatch_do_dev (net/core/link_watch.c:180) [ 273.994837][ T67] netdev_run_todo (net/core/dev.c:10894 (discriminator 2)) [ 273.995012][ T67] ? __pfx_netdev_run_todo (net/core/dev.c:10867) [ 273.995181][ T67] ? vrf_dellink (drivers/net/vrf.c:1668) vrf [ 273.995374][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11455) [ 273.995595][ T67] default_device_exit_batch (net/core/dev.c:12051) [ 273.995784][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12051) [ 273.996007][ T67] ? 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) [ 273.996191][ T67] ? 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) [ 273.996427][ T67] cleanup_net (net/core/net_namespace.c:647 (discriminator 3)) [ 273.996611][ T67] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 273.996784][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:592) [ 273.996958][ T67] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 273.997130][ T67] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 273.997303][ T67] ? process_one_work (kernel/workqueue.c:3205) [ 273.997472][ T67] process_one_work (kernel/workqueue.c:3229) [ 273.997643][ T67] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 273.997808][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 273.997993][ T67] ? assign_work (kernel/workqueue.c:1200) [ 273.998164][ T67] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 273.998348][ T67] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 273.998554][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 273.998716][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 273.998881][ T67] kthread (kernel/kthread.c:389) [ 273.999008][ T67] ? __pfx_kthread (kernel/kthread.c:342) [ 273.999173][ T67] ret_from_fork (arch/x86/kernel/process.c:147) [ 273.999347][ T67] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: default_operstate:rfc2863_policy:linkwatch_do_dev:netdev_run_todo:default_device_exit_batch