====================================== | [ 369.966911][ T65] ------------[ cut here ]------------ | [ 369.967329][ T65] RTNL: assertion failed at net/core/link_watch.c (59) | [ 369.967648][ T65] WARNING: CPU: 3 PID: 65 at net/core/link_watch.c:59 default_operstate (net/core/link_watch.c:59 (discriminator 3)) | [ 369.968063][ T65] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth [ 369.969697][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 369.969951][ T65] Workqueue: netns cleanup_net [ 369.970138][ T65] RIP: 0010:default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 369.970329][ T65] 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 f7 8c 48 c7 c7 40 2b f7 8c 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 f7 8c mov $0xffffffff8cf72b00,%rsi 1d: 48 c7 c7 40 2b f7 8c mov $0xffffffff8cf72b40,%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 [ 369.971065][ T65] RSP: 0000:ffffc90000467a48 EFLAGS: 00010282 [ 369.971364][ T65] RAX: 0000000000000000 RBX: ffff8880083a9000 RCX: 1ffffffff1afb58c [ 369.971749][ T65] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 369.972127][ T65] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1afb58c [ 369.972501][ T65] R10: 0000000000000003 R11: ffff88800821a300 R12: 0000000000000000 [ 369.972873][ T65] R13: dffffc0000000000 R14: ffff888008071000 R15: ffff8880083a95b0 [ 369.973229][ T65] FS: 0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 369.973593][ T65] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 369.973910][ T65] CR2: 00007f1c787ee970 CR3: 000000001519c005 CR4: 0000000000772ef0 [ 369.974228][ T65] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 369.974517][ T65] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 369.974775][ T65] PKRU: 55555554 [ 369.974957][ T65] Call Trace: [ 369.975156][ T65] [ 369.975252][ T65] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 369.975417][ T65] ? __warn (kernel/panic.c:748) [ 369.976091][ T65] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 369.976258][ T65] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 369.976432][ T65] ? handle_bug (arch/x86/kernel/traps.c:285) [ 369.976553][ T65] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 369.976798][ T65] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 369.976992][ T65] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 369.977215][ T65] ? default_operstate (net/core/link_watch.c:59 (discriminator 3)) [ 369.977381][ T65] rfc2863_policy (net/core/link_watch.c:78) [ 369.977562][ T65] linkwatch_do_dev (net/core/link_watch.c:180) [ 369.977808][ T65] netdev_run_todo (net/core/dev.c:10894 (discriminator 2)) [ 369.978066][ T65] ? __pfx_netdev_run_todo (net/core/dev.c:10867) [ 369.978252][ T65] ? vrf_dellink (drivers/net/vrf.c:1668) vrf [ 369.978432][ T65] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11455) [ 369.978735][ T65] default_device_exit_batch (net/core/dev.c:12051) [ 369.978943][ T65] ? __pfx_default_device_exit_batch (net/core/dev.c:12051) [ 369.979194][ T65] ? 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) [ 369.979440][ T65] ? 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) [ 369.979678][ T65] cleanup_net (net/core/net_namespace.c:647 (discriminator 3)) [ 369.979866][ T65] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 369.980029][ T65] ? __pfx_cleanup_net (net/core/net_namespace.c:592) [ 369.980184][ T65] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 369.980342][ T65] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 369.980530][ T65] ? process_one_work (kernel/workqueue.c:3205) [ 369.980772][ T65] process_one_work (kernel/workqueue.c:3229) [ 369.981031][ T65] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 369.981211][ T65] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 369.981400][ T65] ? assign_work (kernel/workqueue.c:1200) [ 369.981581][ T65] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 369.981738][ T65] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 369.981971][ T65] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.982128][ T65] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.982290][ T65] kthread (kernel/kthread.c:389) [ 369.982411][ T65] ? __pfx_kthread (kernel/kthread.c:342) [ 369.982629][ T65] ret_from_fork (arch/x86/kernel/process.c:147) [ 369.982819][ T65] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: default_operstate:rfc2863_policy:linkwatch_do_dev:netdev_run_todo:default_device_exit_batch