====================================== | [ 562.563756][ T68] br0: port 1(vxlan0) entered disabled state | [ 562.577671][ T68] ------------[ cut here ]------------ | [ 562.577853][ T68] WARNING: CPU: 1 PID: 68 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 562.578131][ T68] Modules linked in: vxlan ip6t_rpfilter l2tp_ip6 l2tp_eth l2tp_ip l2tp_netlink l2tp_core act_mirred act_tunnel_key bareudp mpls_gso mpls_iptunnel mpls_router xfrm_interface sha1_generic xfrm_user xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables libcrc32c nf_defrag_ipv6 act_gact cls_flower sch_ingress [ 562.579483][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 562.579684][ T68] Workqueue: netns cleanup_net [ 562.579861][ T68] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 562.580026][ T68] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 f7 8c e8 8a 7d f1 fd e8 c5 d3 93 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 c3 82 6d fe 48 8b 34 24 eb All code ======== 0: ff 31 push (%rcx) 2: d2 be 8f 00 00 00 sarb %cl,0x8f(%rsi) 8: 48 c7 c7 80 48 f7 8c mov $0xffffffff8cf74880,%rdi f: e8 8a 7d f1 fd call 0xfffffffffdf17d9e 14: e8 c5 d3 93 00 call 0x93d3de 19: 48 85 db test %rbx,%rbx 1c: 75 c4 jne 0xffffffffffffffe2 1e: 48 83 c4 08 add $0x8,%rsp 22: 5b pop %rbx 23: 5d pop %rbp 24: c3 ret 25: cc int3 26: cc int3 27: cc int3 28: cc int3 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: eb 8e jmp 0xffffffffffffffbd 2f: 48 89 f7 mov %rsi,%rdi 32: 48 89 34 24 mov %rsi,(%rsp) 36: e8 c3 82 6d fe call 0xfffffffffe6d82fe 3b: 48 8b 34 24 mov (%rsp),%rsi 3f: eb .byte 0xeb Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: eb 8e jmp 0xffffffffffffff93 5: 48 89 f7 mov %rsi,%rdi 8: 48 89 34 24 mov %rsi,(%rsp) c: e8 c3 82 6d fe call 0xfffffffffe6d82d4 11: 48 8b 34 24 mov (%rsp),%rsi 15: eb .byte 0xeb [ 562.580565][ T68] RSP: 0018:ffffc900004979c0 EFLAGS: 00010287 [ 562.580762][ T68] RAX: ffff8880105085c0 RBX: ffff888008ffa300 RCX: ffffffff8c73c8ca [ 562.580993][ T68] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888007dd1178 [ 562.581216][ T68] RBP: ffff888007dd11b8 R08: 0000000000000001 R09: fffff52000092f12 [ 562.581512][ T68] R10: ffffc90000497897 R11: ffff888008ffa300 R12: ffffc90000497b40 [ 562.581735][ T68] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90000497a70 [ 562.581959][ T68] FS: 0000000000000000(0000) GS:ffff88806d080000(0000) knlGS:0000000000000000 [ 562.582223][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 562.582474][ T68] CR2: 00007ffd3cacaad8 CR3: 000000000cb86002 CR4: 0000000000772ef0 [ 562.582700][ T68] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 562.582925][ T68] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 562.583158][ T68] PKRU: 55555554 [ 562.583275][ T68] Call Trace: [ 562.583459][ T68] [ 562.583544][ T68] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 562.583700][ T68] ? __warn (kernel/panic.c:748) [ 562.583820][ T68] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 562.583972][ T68] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 562.584129][ T68] ? handle_bug (arch/x86/kernel/traps.c:285) [ 562.584248][ T68] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 562.584469][ T68] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 562.584633][ T68] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913) [ 562.584787][ T68] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 562.584942][ T68] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 562.585141][ T68] ? unregister_netdevice_queue (net/core/dev.c:11521) [ 562.585331][ T68] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 562.585544][ T68] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520) [ 562.585740][ T68] ? rtnl_is_locked (net/core/rtnetlink.c:163) [ 562.585894][ T68] ? unregister_netdevice_queue (net/core/dev.c:11521) [ 562.586080][ T68] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520) [ 562.586264][ T68] ? vrf_dellink (drivers/net/vrf.c:1668) [ 562.586428][ T68] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520) [ 562.586626][ T68] default_device_exit_batch (net/core/dev.c:12147) [ 562.586784][ T68] ? __pfx_default_device_exit_batch (net/core/dev.c:12122) [ 562.586973][ T68] ? ops_exit_list (net/core/net_namespace.c:171 (discriminator 3)) [ 562.587130][ T68] cleanup_net (net/core/net_namespace.c:651 (discriminator 3)) [ 562.587281][ T68] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 562.587447][ T68] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 562.587596][ T68] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 562.587751][ T68] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 562.587905][ T68] ? process_one_work (kernel/workqueue.c:3205) [ 562.588064][ T68] process_one_work (kernel/workqueue.c:3229) [ 562.588224][ T68] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 562.588376][ T68] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 562.588546][ T68] ? assign_work (kernel/workqueue.c:1200) [ 562.588719][ T68] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 562.588874][ T68] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 562.589071][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 562.589223][ T68] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 562.589374][ T68] kthread (kernel/kthread.c:389) [ 562.589504][ T68] ? __pfx_kthread (kernel/kthread.c:342) [ 562.589657][ T68] ret_from_fork (arch/x86/kernel/process.c:147) [ 562.589811][ T68] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: __rtnl_unlock:unregister_netdevice_many_notify:default_device_exit_batch:cleanup_net:process_one_work