====================================== | [ 11.433331][ T11] bond0 (unregistering): Released all slaves | [ 11.436173][ T11] ------------[ cut here ]------------ | [ 11.436353][ T11] WARNING: CPU: 1 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 11.436785][ T11] Modules linked in: bonding [ 11.437255][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.437475][ T11] Workqueue: netns cleanup_net [ 11.437665][ T11] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 11.437848][ T11] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 b7 9d 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 b7 9d mov $0xffffffff9db74880,%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 [ 11.438435][ T11] RSP: 0018:ffffc900000b7a60 EFLAGS: 00010287 [ 11.438641][ T11] RAX: ffff88800de7c5c0 RBX: ffff888001ae2300 RCX: ffffffff9d33c8ca [ 11.438977][ T11] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888004dea178 [ 11.439220][ T11] RBP: ffff888004dea1b8 R08: 0000000000000001 R09: fffff52000016f26 [ 11.439464][ T11] R10: ffffc900000b7937 R11: ffff888001ae2300 R12: ffffc900000b7be0 [ 11.439838][ T11] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900000b7b10 [ 11.440083][ T11] FS: 0000000000000000(0000) GS:ffff88806d080000(0000) knlGS:0000000000000000 [ 11.440367][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 11.440573][ T11] CR2: 00007f71ebc3c000 CR3: 000000003c33a001 CR4: 0000000000772ef0 [ 11.440945][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 11.441192][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 11.441436][ T11] PKRU: 55555554 [ 11.441564][ T11] Call Trace: [ 11.441810][ T11] [ 11.441900][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 11.442071][ T11] ? __warn (kernel/panic.c:748) [ 11.442199][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 11.442362][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 11.442530][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) [ 11.442655][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 11.442939][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 11.443108][ T11] ? __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) [ 11.443272][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 11.443440][ T11] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 11.443645][ T11] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 11.443906][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 11.444108][ T11] ? 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) [ 11.444269][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163) [ 11.444427][ T11] ? unregister_netdevice_queue (net/core/dev.c:11521) [ 11.444632][ T11] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520) [ 11.444847][ T11] ? bond_net_exit_batch_rtnl (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 drivers/net/bonding/bond_main.c:6585) bonding [ 11.445073][ T11] ? 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) [ 11.445238][ T11] ? 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) [ 11.445441][ T11] cleanup_net (net/core/net_namespace.c:648) [ 11.445600][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 11.445773][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 11.445932][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 11.446101][ T11] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 11.446259][ T11] ? process_one_work (kernel/workqueue.c:3205) [ 11.446433][ T11] process_one_work (kernel/workqueue.c:3229) [ 11.446607][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 11.446788][ T11] ? assign_work (kernel/workqueue.c:1200) [ 11.446957][ T11] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 11.447133][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 11.447299][ T11] kthread (kernel/kthread.c:389) [ 11.447436][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 11.447600][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 11.447771][ T11] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: __rtnl_unlock:unregister_netdevice_many_notify:cleanup_net:process_one_work:worker_thread