====================================== | [ 26.863983][ T257] other info that might help us debug this: | [ 26.864187][ T257] no locks held by ip/257. | [ 26.864325][ T257] | [ 26.864325][ T257] stack backtrace: [ 26.864702][ T257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.865012][ T257] Call Trace: [ 26.865125][ T257] [ 26.865198][ T257] dump_stack_lvl (lib/dump_stack.c:123) [ 26.865341][ T257] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 26.865480][ T257] print_unlock_imbalance_bug (kernel/locking/lockdep.c:5266) [ 26.865620][ T257] __lock_release (kernel/locking/lockdep.c:5502) [ 26.865762][ T257] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 26.865903][ T257] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 26.866043][ T257] lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) [ 26.866181][ T257] __mutex_unlock_slowpath (./include/linux/instrumented.h:68 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:921) [ 26.866325][ T257] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 26.866462][ T257] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) [ 26.866637][ T257] ? rtnl_link_ops_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:558) [ 26.866777][ T257] __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 26.866916][ T257] rtnl_newlink (net/core/rtnetlink.c:3961) [ 26.867056][ T257] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 26.867195][ T257] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 26.867338][ T257] ? __lock_release (kernel/locking/lockdep.c:5501) [ 26.867480][ T257] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 26.867618][ T257] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 26.867760][ T257] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 26.867901][ T257] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 26.868039][ T257] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 26.868177][ T257] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 26.868316][ T257] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 26.868454][ T257] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 26.868559][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 26.868698][ T257] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 26.868838][ T257] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 26.868979][ T257] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 26.869127][ T257] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 26.869267][ T257] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 26.869405][ T257] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 26.869553][ T257] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 26.869692][ T257] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 26.869833][ T257] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 26.869973][ T257] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 26.870115][ T257] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 26.870259][ T257] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 26.870398][ T257] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 26.870570][ T257] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 26.870710][ T257] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 26.870850][ T257] ___sys_sendmsg (net/socket.c:2665) [ 26.870997][ T257] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 26.871133][ T257] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 26.871271][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 26.871415][ T257] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 26.871556][ T257] ? __lock_release (kernel/locking/lockdep.c:5501) [ 26.871695][ T257] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 26.871834][ T257] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 26.871941][ T257] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 26.872085][ T257] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 26.872226][ T257] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 26.872365][ T257] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 26.872510][ T257] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 26.872656][ T257] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 26.872829][ T257] RIP: 0033:0x7f85f1c917b7 [ 26.872975][ T257] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 26.873457][ T257] RSP: 002b:00007fffdeb15e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.873671][ T257] RAX: ffffffffffffffda RBX: 00007fffdeb16550 RCX: 00007f85f1c917b7 [ 26.873886][ T257] RDX: 0000000000000000 RSI: 00007fffdeb15e90 RDI: 0000000000000005 [ 26.874094][ T257] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 26.874300][ T257] R10: 00007f85f1b4a708 R11: 0000000000000246 R12: 00007fffdeb16568 [ 26.874507][ T257] R13: 000000006729dcf5 R14: 0000000000496600 R15: 00007fffdeb15f78 | [ 26.873886][ T257] RDX: 0000000000000000 RSI: 00007fffdeb15e90 RDI: 0000000000000005 | [ 26.874094][ T257] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 26.874300][ T257] R10: 00007f85f1b4a708 R11: 0000000000000246 R12: 00007fffdeb16568 | [ 26.874507][ T257] R13: 000000006729dcf5 R14: 0000000000496600 R15: 00007fffdeb15f78 | [ 26.874740][ T257] [ 247.094383][ T43] INFO: task ip:257 blocked for more than 122 seconds. [ 247.095058][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.095282][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.095526][ T43] task:ip state:D stack:25792 pid:257 tgid:257 ppid:243 flags:0x00004002 [ 247.095817][ T43] Call Trace: [ 247.095926][ T43] [ 247.096005][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 247.096160][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 247.096315][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.096460][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 247.096605][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 247.096712][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 247.096851][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 247.096990][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.097130][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 247.097276][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.097443][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.097581][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.097719][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.097856][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.097993][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 247.098134][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 247.098279][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.098419][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 247.098563][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.098697][ T43] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 247.098829][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 247.098932][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.099072][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 247.099223][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.099357][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 247.099518][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 247.099700][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 247.099839][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 247.099986][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 247.100125][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.100276][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 247.100412][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 247.100550][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 247.100690][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 247.100830][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 247.100998][ T43] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 247.101134][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 247.101278][ T43] ___sys_sendmsg (net/socket.c:2665) [ 247.101417][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 247.101553][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 247.101688][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.101824][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.101960][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 247.102099][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 247.102240][ T43] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 247.102344][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 247.102477][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 247.102614][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 247.102745][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 247.102885][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 247.103025][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 247.103212][ T43] RIP: 0033:0x7f85f1c917b7 [ 247.103361][ T43] RSP: 002b:00007fffdeb15e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.103562][ T43] RAX: ffffffffffffffda RBX: 00007fffdeb16550 RCX: 00007f85f1c917b7 [ 247.103764][ T43] RDX: 0000000000000000 RSI: 00007fffdeb15e90 RDI: 0000000000000005 [ 247.103964][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.104170][ T43] R10: 00007f85f1b4a708 R11: 0000000000000246 R12: 00007fffdeb16568 [ 247.104374][ T43] R13: 000000006729dcf5 R14: 0000000000496600 R15: 00007fffdeb15f78 | [ 247.103964][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 247.104170][ T43] R10: 00007f85f1b4a708 R11: 0000000000000246 R12: 00007fffdeb16568 | [ 247.104374][ T43] R13: 000000006729dcf5 R14: 0000000000496600 R15: 00007fffdeb15f78 | [ 247.104580][ T43] | [ 247.104692][ T43] INFO: lockdep is turned off. [ 369.974404][ T43] INFO: task kworker/u16:1:75 blocked for more than 122 seconds. [ 369.975019][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.975259][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.975505][ T43] task:kworker/u16:1 state:D stack:30248 pid:75 tgid:75 ppid:2 flags:0x00004000 [ 369.975801][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.975983][ T43] Call Trace: [ 369.976085][ T43] [ 369.976162][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.976313][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.976449][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.976593][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.976735][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.976873][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.976975][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.977113][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.977253][ T43] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 369.977386][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.977522][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.977666][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.977798][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.977938][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.978071][ T43] addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.978213][ T43] process_one_work (kernel/workqueue.c:3229) [ 369.978348][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.978479][ T43] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 369.978618][ T43] ? assign_work (kernel/workqueue.c:1200) [ 369.978753][ T43] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 369.978912][ T43] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 369.979081][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.979229][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.979387][ T43] kthread (kernel/kthread.c:389) [ 369.979499][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.979637][ T43] ret_from_fork (arch/x86/kernel/process.c:147) [ 369.979780][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.979939][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.979499][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.979637][ T43] ret_from_fork (arch/x86/kernel/process.c:147) | [ 369.979780][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.979939][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.980108][ T43] [ 369.980223][ T43] INFO: task ip:257 blocked for more than 245 seconds. [ 369.980378][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.980508][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.980728][ T43] task:ip state:D stack:25792 pid:257 tgid:257 ppid:243 flags:0x00004002 [ 369.980997][ T43] Call Trace: [ 369.981095][ T43] [ 369.981163][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.981306][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.981438][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.981575][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.981723][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.981828][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.981958][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.982103][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.982245][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.982381][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.982520][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.982653][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.982785][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.982915][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.983052][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.983201][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 369.983337][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.983469][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 369.983607][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.983740][ T43] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 369.983892][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 369.983996][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.984137][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 369.984286][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.984427][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 369.984571][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 369.984712][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 369.984853][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 369.984993][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 369.985139][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.985279][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 369.985416][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 369.985553][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 369.985688][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 369.985819][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 369.985985][ T43] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 369.986120][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 369.986259][ T43] ___sys_sendmsg (net/socket.c:2665) [ 369.986395][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 369.986531][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 369.986667][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.986800][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.986933][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.987065][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 369.987209][ T43] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 369.987329][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 369.987465][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 369.987600][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 369.987746][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 369.987903][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 369.988037][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 369.988207][ T43] RIP: 0033:0x7f85f1c917b7 [ 369.988342][ T43] RSP: 002b:00007fffdeb15e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.988539][ T43] RAX: ffffffffffffffda RBX: 00007fffdeb16550 RCX: 00007f85f1c917b7 [ 369.988749][ T43] RDX: 0000000000000000 RSI: 00007fffdeb15e90 RDI: 0000000000000005 [ 369.988992][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.989198][ T43] R10: 00007f85f1b4a708 R11: 0000000000000246 R12: 00007fffdeb16568 Finger prints: __schedule:schedule:schedule_preempt_disabled:__mutex_lock:addrconf_verify_work print_unlock_imbalance_bug:__lock_release:lock_release:__mutex_unlock_slowpath:__rtnl_unlock __schedule:schedule:schedule_preempt_disabled:__mutex_lock:rtnl_newlink ret_from_fork:ret_from_fork_asm:__schedule:schedule:schedule_preempt_disabled