====================================== | [ 1002.077137][ T2724] br0: port 1(swp1) entered disabled state | [ 1002.231027][ T2724] ------------[ cut here ]------------ | [ 1002.231327][ T2724] WARNING: CPU: 2 PID: 2724 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 1002.231694][ T2724] Modules linked in: openvswitch nsh dccp_ipv6 dccp_ipv4 dccp sctp sch_fq act_mirred ip6_gre gre ipt_rpfilter xt_length act_ct nf_flow_table drop_monitor act_gact cls_flower sch_ingress netdevsim psample vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c [last unloaded: test_blackhole_dev] [ 1002.234221][ T2724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1002.234541][ T2724] Workqueue: netns cleanup_net [ 1002.234830][ T2724] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1002.235122][ T2724] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 77 89 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 77 89 mov $0xffffffff89774880,%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 [ 1002.235917][ T2724] RSP: 0018:ffffc90003d37a60 EFLAGS: 00010287 [ 1002.236265][ T2724] RAX: ffff888007b115c0 RBX: ffff88800a0d2300 RCX: ffffffff88f3c8ca [ 1002.236638][ T2724] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888020982178 [ 1002.237016][ T2724] RBP: ffff8880209821b8 R08: 0000000000000001 R09: fffff520007a6f26 [ 1002.237408][ T2724] R10: ffffc90003d37937 R11: ffff88800a0d2300 R12: ffffc90003d37be0 [ 1002.237888][ T2724] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90003d37b10 [ 1002.238282][ T2724] FS: 0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 [ 1002.238707][ T2724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1002.239035][ T2724] CR2: 00005650dfad6ff0 CR3: 000000006593a003 CR4: 0000000000772ef0 [ 1002.239571][ T2724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1002.239952][ T2724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1002.240447][ T2724] PKRU: 55555554 [ 1002.240721][ T2724] Call Trace: [ 1002.240984][ T2724] [ 1002.241212][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1002.241518][ T2724] ? __warn (kernel/panic.c:748) [ 1002.241767][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1002.242064][ T2724] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1002.242407][ T2724] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1002.242586][ T2724] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1002.242804][ T2724] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1002.243036][ T2724] ? __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) [ 1002.243261][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1002.243478][ T2724] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 1002.243742][ T2724] ? mark_held_locks (kernel/locking/lockdep.c:4321) [ 1002.243961][ T2724] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 1002.244248][ T2724] ? 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) [ 1002.244464][ T2724] ? rtnl_is_locked (net/core/rtnetlink.c:163) [ 1002.244686][ T2724] ? 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) [ 1002.244887][ T2724] ? 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) [ 1002.245159][ T2724] cleanup_net (net/core/net_namespace.c:648) [ 1002.245461][ T2724] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 1002.245667][ T2724] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 1002.245872][ T2724] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 1002.246091][ T2724] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 1002.246309][ T2724] ? process_one_work (kernel/workqueue.c:3205) [ 1002.246522][ T2724] process_one_work (kernel/workqueue.c:3229) [ 1002.246736][ T2724] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 1002.246947][ T2724] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 1002.247164][ T2724] ? assign_work (kernel/workqueue.c:1200) [ 1002.247421][ T2724] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 1002.247645][ T2724] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1002.247994][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1002.248236][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1002.248443][ T2724] kthread (kernel/kthread.c:389) [ 1002.248621][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1002.248836][ T2724] ret_from_fork (arch/x86/kernel/process.c:147) [ 1002.249059][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1002.249281][ T2724] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 1002.603248][ T2724] ------------[ cut here ]------------ | [ 1002.603452][ T2724] WARNING: CPU: 0 PID: 2724 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 1002.603752][ T2724] Modules linked in: openvswitch nsh dccp_ipv6 dccp_ipv4 dccp sctp sch_fq act_mirred ip6_gre gre ipt_rpfilter xt_length act_ct nf_flow_table drop_monitor act_gact cls_flower sch_ingress netdevsim psample vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c [last unloaded: test_blackhole_dev] | [ 1002.605164][ T2724] Tainted: [W]=WARN [ 1002.605321][ T2724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1002.605539][ T2724] Workqueue: netns cleanup_net [ 1002.605718][ T2724] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1002.605892][ T2724] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 77 89 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 77 89 mov $0xffffffff89774880,%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 [ 1002.606504][ T2724] RSP: 0018:ffffc90003d37a60 EFLAGS: 00010287 [ 1002.606718][ T2724] RAX: ffff888020ab95c0 RBX: ffff88800a0d2300 RCX: ffffffff88f3c8ca [ 1002.606961][ T2724] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800c4f2178 [ 1002.607218][ T2724] RBP: ffff88800c4f21b8 R08: 0000000000000001 R09: fffff520007a6f26 [ 1002.607469][ T2724] R10: ffffc90003d37937 R11: ffff88800a0d2300 R12: ffffc90003d37be0 [ 1002.607716][ T2724] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90003d37b10 [ 1002.607963][ T2724] FS: 0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 [ 1002.608332][ T2724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1002.608542][ T2724] CR2: 00007fcac3b09970 CR3: 000000006593a001 CR4: 0000000000772ef0 [ 1002.608792][ T2724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1002.609043][ T2724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1002.609352][ T2724] PKRU: 55555554 [ 1002.609479][ T2724] Call Trace: [ 1002.609609][ T2724] [ 1002.609698][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1002.609870][ T2724] ? __warn (kernel/panic.c:748) [ 1002.610003][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1002.610235][ T2724] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1002.610414][ T2724] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1002.610544][ T2724] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1002.610711][ T2724] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1002.610886][ T2724] ? __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) [ 1002.611064][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1002.611297][ T2724] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 1002.611510][ T2724] ? mark_held_locks (kernel/locking/lockdep.c:4321) [ 1002.611688][ T2724] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 1002.611892][ T2724] ? 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) [ 1002.612058][ T2724] ? rtnl_is_locked (net/core/rtnetlink.c:163) [ 1002.612299][ T2724] ? 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) [ 1002.612467][ T2724] ? 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) [ 1002.612685][ T2724] cleanup_net (net/core/net_namespace.c:648) [ 1002.612853][ T2724] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 1002.613023][ T2724] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 1002.613252][ T2724] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 1002.613424][ T2724] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 1002.613589][ T2724] ? process_one_work (kernel/workqueue.c:3205) [ 1002.613770][ T2724] process_one_work (kernel/workqueue.c:3229) [ 1002.613954][ T2724] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 1002.614125][ T2724] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 1002.614367][ T2724] ? assign_work (kernel/workqueue.c:1200) [ 1002.614545][ T2724] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 1002.614711][ T2724] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1002.614933][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1002.615104][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1002.615334][ T2724] kthread (kernel/kthread.c:389) [ 1002.615464][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1002.615636][ T2724] ret_from_fork (arch/x86/kernel/process.c:147) [ 1002.615808][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1002.615976][ T2724] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 1023.568396][ T2724] ------------[ cut here ]------------ | [ 1023.568628][ T2724] WARNING: CPU: 0 PID: 2724 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 1023.568980][ T2724] Modules linked in: openvswitch nsh dccp_ipv6 dccp_ipv4 dccp sctp sch_fq act_mirred ip6_gre gre ipt_rpfilter xt_length act_ct nf_flow_table drop_monitor act_gact cls_flower sch_ingress netdevsim psample vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c [last unloaded: test_blackhole_dev] | [ 1023.570596][ T2724] Tainted: [W]=WARN [ 1023.570739][ T2724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1023.570970][ T2724] Workqueue: netns cleanup_net [ 1023.571165][ T2724] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1023.571445][ T2724] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 77 89 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 77 89 mov $0xffffffff89774880,%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 [ 1023.572078][ T2724] RSP: 0018:ffffc90003d37a60 EFLAGS: 00010287 [ 1023.572392][ T2724] RAX: ffff888008d3c5c0 RBX: ffff88800a0d2300 RCX: ffffffff88f3c8ca [ 1023.572684][ T2724] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888020982178 [ 1023.572971][ T2724] RBP: ffff8880209821b8 R08: 0000000000000001 R09: fffff520007a6f26 [ 1023.573341][ T2724] R10: ffffc90003d37937 R11: ffff88800a0d2300 R12: ffffc90003d37be0 [ 1023.573622][ T2724] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90003d37b10 [ 1023.573909][ T2724] FS: 0000000000000000(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 [ 1023.574312][ T2724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1023.574549][ T2724] CR2: 00007f4f44e03000 CR3: 0000000025fae002 CR4: 0000000000772ef0 [ 1023.574841][ T2724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1023.575118][ T2724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1023.575481][ T2724] PKRU: 55555554 [ 1023.575632][ T2724] Call Trace: [ 1023.575782][ T2724] [ 1023.575884][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1023.576089][ T2724] ? __warn (kernel/panic.c:748) [ 1023.576312][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1023.576506][ T2724] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1023.576703][ T2724] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1023.576855][ T2724] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1023.577052][ T2724] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1023.577316][ T2724] ? __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) [ 1023.577512][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1023.577707][ T2724] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 1023.577954][ T2724] ? __pfx_synchronize_rcu_expedited (kernel/rcu/tree_exp.h:940) [ 1023.578265][ T2724] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 1023.578508][ T2724] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383) [ 1023.578774][ T2724] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:2664 net/ipv4/nexthop.c:4010) [ 1023.579022][ T2724] cleanup_net (net/core/net_namespace.c:648) [ 1023.579287][ T2724] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 1023.579486][ T2724] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 1023.579671][ T2724] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 1023.579869][ T2724] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 1023.580069][ T2724] ? process_one_work (kernel/workqueue.c:3205) [ 1023.580314][ T2724] process_one_work (kernel/workqueue.c:3229) [ 1023.580515][ T2724] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 1023.580702][ T2724] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 1023.580895][ T2724] ? assign_work (kernel/workqueue.c:1200) [ 1023.581090][ T2724] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 1023.581285][ T2724] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1023.581526][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1023.581718][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1023.581905][ T2724] kthread (kernel/kthread.c:389) [ 1023.582050][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1023.582252][ T2724] ret_from_fork (arch/x86/kernel/process.c:147) [ 1023.582443][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1023.582627][ T2724] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 1023.907567][ T2724] ------------[ cut here ]------------ | [ 1023.907830][ T2724] WARNING: CPU: 2 PID: 2724 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 1023.908205][ T2724] Modules linked in: openvswitch nsh dccp_ipv6 dccp_ipv4 dccp sctp sch_fq act_mirred ip6_gre gre ipt_rpfilter xt_length act_ct nf_flow_table drop_monitor act_gact cls_flower sch_ingress netdevsim psample vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c [last unloaded: test_blackhole_dev] | [ 1023.909810][ T2724] Tainted: [W]=WARN [ 1023.909966][ T2724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1023.910232][ T2724] Workqueue: netns cleanup_net [ 1023.910451][ T2724] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1023.910674][ T2724] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 77 89 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 77 89 mov $0xffffffff89774880,%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 [ 1023.911377][ T2724] RSP: 0000:ffffc90003d37a60 EFLAGS: 00010287 [ 1023.911648][ T2724] RAX: ffff88800a8e95c0 RBX: ffff88800a0d2300 RCX: ffffffff88f3c8ca [ 1023.911945][ T2724] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800fd4a178 [ 1023.912265][ T2724] RBP: ffff88800fd4a1b8 R08: 0000000000000001 R09: fffff520007a6f26 [ 1023.912574][ T2724] R10: ffffc90003d37937 R11: ffff88800a0d2300 R12: ffffc90003d37be0 [ 1023.912860][ T2724] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90003d37b10 [ 1023.913159][ T2724] FS: 0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 [ 1023.913507][ T2724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1023.913760][ T2724] CR2: 00007f68493cca30 CR3: 000000006593a006 CR4: 0000000000772ef0 [ 1023.914048][ T2724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1023.914355][ T2724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1023.914646][ T2724] PKRU: 55555554 [ 1023.914806][ T2724] Call Trace: [ 1023.914967][ T2724] [ 1023.915088][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1023.915311][ T2724] ? __warn (kernel/panic.c:748) [ 1023.915476][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1023.915680][ T2724] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1023.915891][ T2724] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1023.916065][ T2724] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1023.916290][ T2724] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1023.916506][ T2724] ? __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) [ 1023.916725][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1023.916937][ T2724] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 1023.917242][ T2724] ? mark_held_locks (kernel/locking/lockdep.c:4321) [ 1023.917460][ T2724] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 1023.917727][ T2724] ? 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) [ 1023.917941][ T2724] ? rtnl_is_locked (net/core/rtnetlink.c:163) [ 1023.918160][ T2724] ? 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) [ 1023.918393][ T2724] ? 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) [ 1023.918650][ T2724] cleanup_net (net/core/net_namespace.c:648) [ 1023.918861][ T2724] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 1023.919069][ T2724] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 1023.919302][ T2724] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 1023.919514][ T2724] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 1023.919721][ T2724] ? process_one_work (kernel/workqueue.c:3205) [ 1023.919951][ T2724] process_one_work (kernel/workqueue.c:3229) [ 1023.920167][ T2724] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 1023.920396][ T2724] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 1023.920620][ T2724] ? assign_work (kernel/workqueue.c:1200) [ 1023.920839][ T2724] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 1023.921048][ T2724] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1023.921325][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1023.921548][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1023.921749][ T2724] kthread (kernel/kthread.c:389) [ 1023.921916][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1023.922134][ T2724] ret_from_fork (arch/x86/kernel/process.c:147) [ 1023.922359][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1023.922575][ T2724] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 1042.770085][ T2724] ------------[ cut here ]------------ | [ 1042.770306][ T2724] WARNING: CPU: 1 PID: 2724 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 1042.770609][ T2724] Modules linked in: cls_matchall openvswitch nsh dccp_ipv6 dccp_ipv4 dccp sctp sch_fq act_mirred ip6_gre gre ipt_rpfilter xt_length act_ct nf_flow_table drop_monitor act_gact cls_flower sch_ingress netdevsim psample vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c [last unloaded: test_blackhole_dev] | [ 1042.772009][ T2724] Tainted: [W]=WARN [ 1042.772137][ T2724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1042.772362][ T2724] Workqueue: netns cleanup_net [ 1042.772539][ T2724] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1042.772712][ T2724] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 77 89 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 77 89 mov $0xffffffff89774880,%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 [ 1042.773304][ T2724] RSP: 0018:ffffc90003d37a60 EFLAGS: 00010287 [ 1042.773514][ T2724] RAX: ffff888007b195c0 RBX: ffff88800a0d2300 RCX: ffffffff88f3c8ca [ 1042.773767][ T2724] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888020982178 [ 1042.774018][ T2724] RBP: ffff8880209821b8 R08: 0000000000000001 R09: fffff520007a6f26 [ 1042.774285][ T2724] R10: ffffc90003d37937 R11: ffff88800a0d2300 R12: ffffc90003d37be0 [ 1042.774558][ T2724] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90003d37b10 [ 1042.774801][ T2724] FS: 0000000000000000(0000) GS:ffff88806d080000(0000) knlGS:0000000000000000 [ 1042.775088][ T2724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1042.775373][ T2724] CR2: 00005650d379cdec CR3: 000000006593a005 CR4: 0000000000772ef0 [ 1042.775619][ T2724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1042.775873][ T2724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1042.776116][ T2724] PKRU: 55555554 [ 1042.776306][ T2724] Call Trace: [ 1042.776435][ T2724] [ 1042.776522][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1042.776688][ T2724] ? __warn (kernel/panic.c:748) [ 1042.776820][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1042.776993][ T2724] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1042.777168][ T2724] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1042.777373][ T2724] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1042.777541][ T2724] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1042.777717][ T2724] ? __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) [ 1042.777890][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1042.778061][ T2724] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 1042.778327][ T2724] ? __pfx_synchronize_rcu_expedited (kernel/rcu/tree_exp.h:940) [ 1042.778542][ T2724] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 1042.778744][ T2724] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383) [ 1042.778973][ T2724] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:2664 net/ipv4/nexthop.c:4010) [ 1042.779215][ T2724] cleanup_net (net/core/net_namespace.c:648) [ 1042.779387][ T2724] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 1042.779558][ T2724] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 1042.779730][ T2724] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 1042.779901][ T2724] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 1042.780069][ T2724] ? process_one_work (kernel/workqueue.c:3205) [ 1042.780258][ T2724] process_one_work (kernel/workqueue.c:3229) [ 1042.780433][ T2724] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 1042.780607][ T2724] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 1042.780785][ T2724] ? assign_work (kernel/workqueue.c:1200) [ 1042.780967][ T2724] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 1042.781134][ T2724] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1042.781357][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1042.781526][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1042.781695][ T2724] kthread (kernel/kthread.c:389) [ 1042.781824][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1042.781995][ T2724] ret_from_fork (arch/x86/kernel/process.c:147) [ 1042.782165][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1042.782348][ T2724] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 1043.079413][ T2724] ------------[ cut here ]------------ | [ 1043.079619][ T2724] WARNING: CPU: 3 PID: 2724 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 1043.079926][ T2724] Modules linked in: cls_matchall openvswitch nsh dccp_ipv6 dccp_ipv4 dccp sctp sch_fq act_mirred ip6_gre gre ipt_rpfilter xt_length act_ct nf_flow_table drop_monitor act_gact cls_flower sch_ingress netdevsim psample vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c [last unloaded: test_blackhole_dev] | [ 1043.081352][ T2724] Tainted: [W]=WARN [ 1043.081482][ T2724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1043.081695][ T2724] Workqueue: netns cleanup_net [ 1043.081871][ T2724] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1043.082042][ T2724] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 77 89 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 77 89 mov $0xffffffff89774880,%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 [ 1043.082628][ T2724] RSP: 0018:ffffc90003d37a60 EFLAGS: 00010287 [ 1043.082837][ T2724] RAX: ffff888011b795c0 RBX: ffff88800a0d2300 RCX: ffffffff88f3c8ca [ 1043.083090][ T2724] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800c4d2178 [ 1043.083356][ T2724] RBP: ffff88800c4d21b8 R08: 0000000000000001 R09: fffff520007a6f26 [ 1043.083601][ T2724] R10: ffffc90003d37937 R11: ffff88800a0d2300 R12: ffffc90003d37be0 [ 1043.083848][ T2724] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90003d37b10 [ 1043.084093][ T2724] FS: 0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000 [ 1043.084393][ T2724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1043.084605][ T2724] CR2: 00007f4389c30000 CR3: 000000006593a005 CR4: 0000000000772ef0 [ 1043.084849][ T2724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1043.085102][ T2724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1043.085353][ T2724] PKRU: 55555554 [ 1043.085480][ T2724] Call Trace: [ 1043.085608][ T2724] [ 1043.085695][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1043.085866][ T2724] ? __warn (kernel/panic.c:748) [ 1043.086012][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1043.086191][ T2724] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1043.086367][ T2724] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1043.086499][ T2724] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1043.086669][ T2724] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1043.086851][ T2724] ? __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) [ 1043.087030][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1043.087206][ T2724] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 1043.087419][ T2724] ? mark_held_locks (kernel/locking/lockdep.c:4321) [ 1043.087596][ T2724] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 1043.087807][ T2724] ? 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) [ 1043.087979][ T2724] ? rtnl_is_locked (net/core/rtnetlink.c:163) [ 1043.088164][ T2724] ? 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) [ 1043.088341][ T2724] ? 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) [ 1043.088557][ T2724] cleanup_net (net/core/net_namespace.c:648) [ 1043.088730][ T2724] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 1043.088898][ T2724] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 1043.089060][ T2724] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 1043.089239][ T2724] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 1043.089405][ T2724] ? process_one_work (kernel/workqueue.c:3205) [ 1043.089585][ T2724] process_one_work (kernel/workqueue.c:3229) [ 1043.089768][ T2724] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 1043.089939][ T2724] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 1043.090118][ T2724] ? assign_work (kernel/workqueue.c:1200) [ 1043.090300][ T2724] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 1043.090467][ T2724] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1043.090683][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1043.090856][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1043.091022][ T2724] kthread (kernel/kthread.c:389) [ 1043.091156][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1043.091336][ T2724] ret_from_fork (arch/x86/kernel/process.c:147) [ 1043.091506][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1043.091668][ T2724] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 1061.957832][ T2724] ------------[ cut here ]------------ | [ 1061.958088][ T2724] WARNING: CPU: 2 PID: 2724 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 1061.958465][ T2724] Modules linked in: cls_matchall openvswitch nsh dccp_ipv6 dccp_ipv4 dccp sctp sch_fq act_mirred ip6_gre gre ipt_rpfilter xt_length act_ct nf_flow_table drop_monitor act_gact cls_flower sch_ingress netdevsim psample vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c [last unloaded: test_blackhole_dev] | [ 1061.960082][ T2724] Tainted: [W]=WARN [ 1061.960350][ T2724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1061.960610][ T2724] Workqueue: netns cleanup_net [ 1061.960823][ T2724] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1061.961034][ T2724] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 77 89 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 77 89 mov $0xffffffff89774880,%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 [ 1061.961728][ T2724] RSP: 0018:ffffc90003d37a60 EFLAGS: 00010287 [ 1061.961986][ T2724] RAX: ffff88800aa9c5c0 RBX: ffff88800a0d2300 RCX: ffffffff88f3c8ca [ 1061.962309][ T2724] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888020982178 [ 1061.962607][ T2724] RBP: ffff8880209821b8 R08: 0000000000000001 R09: fffff520007a6f26 [ 1061.962905][ T2724] R10: ffffc90003d37937 R11: ffff88800a0d2300 R12: ffffc90003d37be0 [ 1061.963217][ T2724] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90003d37b10 [ 1061.963518][ T2724] FS: 0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 [ 1061.963877][ T2724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1061.964129][ T2724] CR2: 00007f55ef7dc440 CR3: 000000006593a001 CR4: 0000000000772ef0 [ 1061.964448][ T2724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1061.964744][ T2724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1061.965034][ T2724] PKRU: 55555554 [ 1061.965216][ T2724] Call Trace: [ 1061.965387][ T2724] [ 1061.965502][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1061.965710][ T2724] ? __warn (kernel/panic.c:748) [ 1061.965881][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1061.966096][ T2724] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1061.966346][ T2724] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1061.966510][ T2724] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1061.966733][ T2724] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1061.966947][ T2724] ? __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) [ 1061.967154][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1061.967381][ T2724] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 1061.967648][ T2724] ? __pfx_synchronize_rcu_expedited (kernel/rcu/tree_exp.h:940) [ 1061.967910][ T2724] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 1061.968153][ T2724] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383) [ 1061.968445][ T2724] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:2664 net/ipv4/nexthop.c:4010) [ 1061.968702][ T2724] cleanup_net (net/core/net_namespace.c:648) [ 1061.968907][ T2724] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 1061.969111][ T2724] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 1061.969327][ T2724] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 1061.969535][ T2724] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 1061.969736][ T2724] ? process_one_work (kernel/workqueue.c:3205) [ 1061.969950][ T2724] process_one_work (kernel/workqueue.c:3229) [ 1061.970166][ T2724] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 1061.970392][ T2724] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 1061.970607][ T2724] ? assign_work (kernel/workqueue.c:1200) [ 1061.970814][ T2724] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 1061.971017][ T2724] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1061.971283][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1061.971488][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1061.971690][ T2724] kthread (kernel/kthread.c:389) [ 1061.971853][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1061.972067][ T2724] ret_from_fork (arch/x86/kernel/process.c:147) [ 1061.972288][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1061.972493][ T2724] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 1062.292905][ T2724] ------------[ cut here ]------------ | [ 1062.293191][ T2724] WARNING: CPU: 2 PID: 2724 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 1062.293565][ T2724] Modules linked in: cls_matchall openvswitch nsh dccp_ipv6 dccp_ipv4 dccp sctp sch_fq act_mirred ip6_gre gre ipt_rpfilter xt_length act_ct nf_flow_table drop_monitor act_gact cls_flower sch_ingress netdevsim psample vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c [last unloaded: test_blackhole_dev] | [ 1062.295243][ T2724] Tainted: [W]=WARN [ 1062.295415][ T2724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1062.295689][ T2724] Workqueue: netns cleanup_net [ 1062.295923][ T2724] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1062.296139][ T2724] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 77 89 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 77 89 mov $0xffffffff89774880,%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 [ 1062.296814][ T2724] RSP: 0018:ffffc90003d37a60 EFLAGS: 00010287 [ 1062.297077][ T2724] RAX: ffff888008d915c0 RBX: ffff88800a0d2300 RCX: ffffffff88f3c8ca [ 1062.297381][ T2724] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800c4f2178 [ 1062.297681][ T2724] RBP: ffff88800c4f21b8 R08: 0000000000000001 R09: fffff520007a6f26 [ 1062.297966][ T2724] R10: ffffc90003d37937 R11: ffff88800a0d2300 R12: ffffc90003d37be0 [ 1062.298287][ T2724] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90003d37b10 [ 1062.298578][ T2724] FS: 0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 [ 1062.298915][ T2724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1062.299166][ T2724] CR2: 00007f55ef7dc440 CR3: 000000006593a001 CR4: 0000000000772ef0 [ 1062.299478][ T2724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1062.299767][ T2724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1062.300062][ T2724] PKRU: 55555554 [ 1062.300237][ T2724] Call Trace: [ 1062.300403][ T2724] [ 1062.300517][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1062.300722][ T2724] ? __warn (kernel/panic.c:748) [ 1062.300889][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1062.301103][ T2724] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1062.301338][ T2724] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1062.301515][ T2724] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1062.301720][ T2724] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1062.301937][ T2724] ? __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) [ 1062.302142][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1062.302377][ T2724] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 1062.302645][ T2724] ? __pfx_synchronize_rcu_expedited (kernel/rcu/tree_exp.h:940) [ 1062.302906][ T2724] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 1062.303153][ T2724] ? rtnl_is_locked (net/core/rtnetlink.c:163) [ 1062.303394][ T2724] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:2664 net/ipv4/nexthop.c:4010) [ 1062.303657][ T2724] cleanup_net (net/core/net_namespace.c:648) [ 1062.303882][ T2724] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 1062.304093][ T2724] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 1062.304325][ T2724] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 1062.304534][ T2724] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 1062.304739][ T2724] ? process_one_work (kernel/workqueue.c:3205) [ 1062.304951][ T2724] process_one_work (kernel/workqueue.c:3229) [ 1062.305165][ T2724] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 1062.305416][ T2724] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 1062.305633][ T2724] ? assign_work (kernel/workqueue.c:1200) [ 1062.305871][ T2724] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 1062.306080][ T2724] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1062.306363][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1062.306574][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1062.306778][ T2724] kthread (kernel/kthread.c:389) [ 1062.306944][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1062.307160][ T2724] ret_from_fork (arch/x86/kernel/process.c:147) [ 1062.307401][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1062.307612][ T2724] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 1103.042022][ T2724] ------------[ cut here ]------------ | [ 1103.042323][ T2724] WARNING: CPU: 2 PID: 2724 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 1103.042683][ T2724] Modules linked in: cls_matchall openvswitch nsh dccp_ipv6 dccp_ipv4 dccp sctp sch_fq act_mirred ip6_gre gre ipt_rpfilter xt_length act_ct nf_flow_table drop_monitor act_gact cls_flower sch_ingress netdevsim psample vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c [last unloaded: test_blackhole_dev] | [ 1103.044293][ T2724] Tainted: [W]=WARN [ 1103.044458][ T2724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1103.044706][ T2724] Workqueue: netns cleanup_net [ 1103.044917][ T2724] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1103.045129][ T2724] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 77 89 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 77 89 mov $0xffffffff89774880,%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 [ 1103.045803][ T2724] RSP: 0018:ffffc90003d37a60 EFLAGS: 00010287 [ 1103.046061][ T2724] RAX: ffff888011b795c0 RBX: ffff88800a0d2300 RCX: ffffffff88f3c8ca [ 1103.046375][ T2724] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888020982178 [ 1103.046668][ T2724] RBP: ffff8880209821b8 R08: 0000000000000001 R09: fffff520007a6f26 [ 1103.046964][ T2724] R10: ffffc90003d37937 R11: ffff88800a0d2300 R12: ffffc90003d37be0 [ 1103.047288][ T2724] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90003d37b10 [ 1103.047583][ T2724] FS: 0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 [ 1103.047916][ T2724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1103.048162][ T2724] CR2: 00005650d374a5a0 CR3: 000000006593a005 CR4: 0000000000772ef0 [ 1103.048473][ T2724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1103.048764][ T2724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1103.049053][ T2724] PKRU: 55555554 [ 1103.049232][ T2724] Call Trace: [ 1103.049390][ T2724] [ 1103.049500][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1103.049706][ T2724] ? __warn (kernel/panic.c:748) [ 1103.049881][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1103.050094][ T2724] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1103.050317][ T2724] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1103.050483][ T2724] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1103.050685][ T2724] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1103.050897][ T2724] ? __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) [ 1103.051104][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1103.051320][ T2724] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 1103.051578][ T2724] ? __pfx_synchronize_rcu_expedited (kernel/rcu/tree_exp.h:940) [ 1103.051828][ T2724] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 1103.052076][ T2724] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383) [ 1103.052363][ T2724] ? nexthop_net_exit_batch_rtnl (net/ipv4/nexthop.c:2664 net/ipv4/nexthop.c:4010) [ 1103.052624][ T2724] cleanup_net (net/core/net_namespace.c:648) [ 1103.052825][ T2724] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 1103.053032][ T2724] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 1103.053250][ T2724] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 1103.053458][ T2724] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 1103.053659][ T2724] ? process_one_work (kernel/workqueue.c:3205) [ 1103.053867][ T2724] process_one_work (kernel/workqueue.c:3229) [ 1103.054078][ T2724] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 1103.054293][ T2724] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 1103.054508][ T2724] ? assign_work (kernel/workqueue.c:1200) [ 1103.054717][ T2724] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 1103.054920][ T2724] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1103.055203][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1103.055418][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1103.055640][ T2724] kthread (kernel/kthread.c:389) [ 1103.055806][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1103.056013][ T2724] ret_from_fork (arch/x86/kernel/process.c:147) [ 1103.056240][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1103.056446][ T2724] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 1103.348301][ T2724] ------------[ cut here ]------------ | [ 1103.348501][ T2724] WARNING: CPU: 3 PID: 2724 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 1103.348810][ T2724] Modules linked in: cls_matchall openvswitch nsh dccp_ipv6 dccp_ipv4 dccp sctp sch_fq act_mirred ip6_gre gre ipt_rpfilter xt_length act_ct nf_flow_table drop_monitor act_gact cls_flower sch_ingress netdevsim psample vxlan nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables libcrc32c [last unloaded: test_blackhole_dev] | [ 1103.350237][ T2724] Tainted: [W]=WARN [ 1103.350370][ T2724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1103.350581][ T2724] Workqueue: netns cleanup_net [ 1103.350763][ T2724] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1103.350935][ T2724] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 80 48 77 89 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 77 89 mov $0xffffffff89774880,%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 [ 1103.351520][ T2724] RSP: 0018:ffffc90003d37a60 EFLAGS: 00010287 [ 1103.351736][ T2724] RAX: ffff8880089845c0 RBX: ffff88800a0d2300 RCX: ffffffff88f3c8ca [ 1103.351984][ T2724] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888010a5a178 [ 1103.352244][ T2724] RBP: ffff888010a5a1b8 R08: 0000000000000001 R09: fffff520007a6f26 [ 1103.352498][ T2724] R10: ffffc90003d37937 R11: ffff88800a0d2300 R12: ffffc90003d37be0 [ 1103.352746][ T2724] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90003d37b10 [ 1103.352994][ T2724] FS: 0000000000000000(0000) GS:ffff88806d180000(0000) knlGS:0000000000000000 [ 1103.353294][ T2724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1103.353513][ T2724] CR2: 00007fa6e8a6c000 CR3: 000000006593a005 CR4: 0000000000772ef0 [ 1103.353762][ T2724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1103.354026][ T2724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1103.354284][ T2724] PKRU: 55555554 [ 1103.354415][ T2724] Call Trace: [ 1103.354544][ T2724] [ 1103.354633][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1103.354805][ T2724] ? __warn (kernel/panic.c:748) [ 1103.354940][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1103.355108][ T2724] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 1103.355362][ T2724] ? handle_bug (arch/x86/kernel/traps.c:285) [ 1103.355490][ T2724] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 1103.355665][ T2724] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 1103.355849][ T2724] ? __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) [ 1103.356025][ T2724] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 1103.356269][ T2724] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 1103.356483][ T2724] ? mark_held_locks (kernel/locking/lockdep.c:4321) [ 1103.356665][ T2724] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 1103.356877][ T2724] ? 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) [ 1103.357048][ T2724] ? rtnl_is_locked (net/core/rtnetlink.c:163) [ 1103.357298][ T2724] ? 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) [ 1103.357469][ T2724] ? 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) [ 1103.357686][ T2724] cleanup_net (net/core/net_namespace.c:648) [ 1103.357859][ T2724] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 1103.358029][ T2724] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 1103.358266][ T2724] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 1103.358438][ T2724] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 1103.358609][ T2724] ? process_one_work (kernel/workqueue.c:3205) [ 1103.358785][ T2724] process_one_work (kernel/workqueue.c:3229) [ 1103.358961][ T2724] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 1103.359130][ T2724] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 1103.359372][ T2724] ? assign_work (kernel/workqueue.c:1200) [ 1103.359553][ T2724] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 1103.359720][ T2724] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1103.359939][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1103.360110][ T2724] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 1103.360346][ T2724] kthread (kernel/kthread.c:389) [ 1103.360477][ T2724] ? __pfx_kthread (kernel/kthread.c:342) [ 1103.360644][ T2724] ret_from_fork (arch/x86/kernel/process.c:147) [ 1103.360810][ T2724] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: __rtnl_unlock:unregister_netdevice_many_notify:cleanup_net:process_one_work:worker_thread