====================================== | [ 28.039735][ T257] other info that might help us debug this: | [ 28.039922][ T257] no locks held by ip/257. | [ 28.040054][ T257] | [ 28.040054][ T257] stack backtrace: [ 28.040404][ T257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.040717][ T257] Call Trace: [ 28.040821][ T257] [ 28.040889][ T257] dump_stack_lvl (lib/dump_stack.c:123) [ 28.041023][ T257] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 28.041159][ T257] print_unlock_imbalance_bug (kernel/locking/lockdep.c:5266) [ 28.041290][ T257] __lock_release (kernel/locking/lockdep.c:5502) [ 28.041419][ T257] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 28.041549][ T257] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 28.041677][ T257] lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) [ 28.041803][ T257] __mutex_unlock_slowpath (./include/linux/instrumented.h:68 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:921) [ 28.041933][ T257] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 28.042059][ T257] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) [ 28.042224][ T257] ? rtnl_link_ops_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:558) [ 28.042353][ T257] __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 28.042482][ T257] rtnl_newlink (net/core/rtnetlink.c:3961) [ 28.042615][ T257] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 28.042742][ T257] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 28.042872][ T257] ? __lock_release (kernel/locking/lockdep.c:5501) [ 28.043003][ T257] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 28.043133][ T257] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 28.043263][ T257] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 28.043393][ T257] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 28.043521][ T257] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 28.043648][ T257] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 28.043778][ 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) [ 28.043927][ T257] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 28.044027][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 28.044158][ T257] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 28.044293][ T257] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 28.044423][ T257] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 28.044555][ T257] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 28.044706][ 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) [ 28.044838][ T257] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 28.044964][ T257] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 28.045107][ T257] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 28.045242][ T257] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 28.045372][ T257] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 28.045502][ T257] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 28.045665][ T257] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 28.045818][ T257] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 28.045980][ 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) [ 28.046107][ T257] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 28.046240][ T257] ___sys_sendmsg (net/socket.c:2665) [ 28.046372][ T257] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 28.046500][ T257] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 28.046633][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 28.046766][ T257] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 28.046895][ T257] ? __lock_release (kernel/locking/lockdep.c:5501) [ 28.047022][ T257] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 28.047152][ 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) [ 28.047252][ T257] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 28.047382][ T257] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 28.047510][ T257] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 28.047636][ T257] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 28.047770][ T257] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 28.047899][ T257] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 28.048059][ T257] RIP: 0033:0x7fb53e9327b7 [ 28.048194][ 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) [ 28.048642][ T257] RSP: 002b:00007ffe9585b078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.048835][ T257] RAX: ffffffffffffffda RBX: 00007ffe9585b7a0 RCX: 00007fb53e9327b7 [ 28.049026][ T257] RDX: 0000000000000000 RSI: 00007ffe9585b0e0 RDI: 0000000000000005 [ 28.049217][ T257] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 28.049408][ T257] R10: 00007fb53e7eb708 R11: 0000000000000246 R12: 00007ffe9585b7b8 [ 28.049606][ T257] R13: 000000006729dce5 R14: 0000000000496600 R15: 00007ffe9585b1c8 | [ 28.049026][ T257] RDX: 0000000000000000 RSI: 00007ffe9585b0e0 RDI: 0000000000000005 | [ 28.049217][ T257] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 28.049408][ T257] R10: 00007fb53e7eb708 R11: 0000000000000246 R12: 00007ffe9585b7b8 | [ 28.049606][ T257] R13: 000000006729dce5 R14: 0000000000496600 R15: 00007ffe9585b1c8 | [ 28.049825][ T257] [ 247.092566][ T43] INFO: task ip:257 blocked for more than 122 seconds. [ 247.093054][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.093180][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.093409][ T43] task:ip state:D stack:25792 pid:257 tgid:257 ppid:242 flags:0x00004002 [ 247.093657][ T43] Call Trace: [ 247.093750][ T43] [ 247.093821][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 247.093952][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 247.094075][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.094208][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 247.094337][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 247.094429][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 247.094547][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 247.094669][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.094796][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 247.094929][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.095046][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.095161][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.095279][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.095404][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.095520][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 247.095658][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 247.095922][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.096068][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 247.096196][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.096316][ 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) [ 247.096441][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 247.096532][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.096667][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 247.096787][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.096904][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 247.097025][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 247.097150][ 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) [ 247.097265][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 247.097387][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 247.097504][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.097623][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 247.097739][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 247.097854][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 247.097973][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 247.098097][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 247.098243][ 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) [ 247.098363][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 247.098482][ T43] ___sys_sendmsg (net/socket.c:2665) [ 247.098600][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 247.098713][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 247.098831][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.098948][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.099067][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 247.099185][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 247.099302][ 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) [ 247.099394][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 247.099509][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 247.099627][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 247.099740][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 247.099865][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 247.099984][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 247.100134][ T43] RIP: 0033:0x7fb53e9327b7 [ 247.100256][ T43] RSP: 002b:00007ffe9585b078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.100437][ T43] RAX: ffffffffffffffda RBX: 00007ffe9585b7a0 RCX: 00007fb53e9327b7 [ 247.100612][ T43] RDX: 0000000000000000 RSI: 00007ffe9585b0e0 RDI: 0000000000000005 [ 247.100783][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.100961][ T43] R10: 00007fb53e7eb708 R11: 0000000000000246 R12: 00007ffe9585b7b8 [ 247.101135][ T43] R13: 000000006729dce5 R14: 0000000000496600 R15: 00007ffe9585b1c8 | [ 247.100783][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 247.100961][ T43] R10: 00007fb53e7eb708 R11: 0000000000000246 R12: 00007ffe9585b7b8 | [ 247.101135][ T43] R13: 000000006729dce5 R14: 0000000000496600 R15: 00007ffe9585b1c8 | [ 247.101315][ T43] | [ 247.101410][ T43] INFO: lockdep is turned off. [ 369.972479][ T43] INFO: task kworker/u16:1:75 blocked for more than 122 seconds. [ 369.973287][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.973517][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.973816][ T43] task:kworker/u16:1 state:D stack:30248 pid:75 tgid:75 ppid:2 flags:0x00004000 [ 369.974174][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.974425][ T43] Call Trace: [ 369.974568][ T43] [ 369.974662][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.974844][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.975019][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.975201][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.975384][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.975560][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.975695][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.975868][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.976047][ 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) [ 369.976219][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.976401][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.976577][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.976752][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.976928][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.977098][ T43] addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.977271][ T43] process_one_work (kernel/workqueue.c:3229) [ 369.977458][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.977632][ T43] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 369.977811][ T43] ? assign_work (kernel/workqueue.c:1200) [ 369.977985][ T43] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 369.978156][ T43] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 369.978383][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.978555][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.978724][ T43] kthread (kernel/kthread.c:389) [ 369.978856][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.979031][ T43] ret_from_fork (arch/x86/kernel/process.c:147) [ 369.979208][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.979387][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.978856][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.979031][ T43] ret_from_fork (arch/x86/kernel/process.c:147) | [ 369.979208][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.979387][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.979569][ T43] [ 369.979712][ T43] INFO: task ip:257 blocked for more than 245 seconds. [ 369.979913][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.980072][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.980356][ T43] task:ip state:D stack:25792 pid:257 tgid:257 ppid:242 flags:0x00004002 [ 369.980703][ T43] Call Trace: [ 369.980835][ T43] [ 369.980925][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.981103][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.981282][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.981463][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.981639][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.981772][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.981960][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.982145][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.982335][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.982509][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.982692][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.982863][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.983037][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.983210][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.983390][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.983573][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 369.983743][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.983916][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 369.984091][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.984264][ 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) [ 369.984444][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 369.984579][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.984756][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 369.984936][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.985115][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 369.985297][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 369.985477][ 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) [ 369.985651][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 369.985830][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 369.986003][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.986179][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 369.986360][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 369.986551][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 369.986729][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 369.986900][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 369.987115][ 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) [ 369.987292][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 369.987473][ T43] ___sys_sendmsg (net/socket.c:2665) [ 369.987645][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 369.987833][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 369.988015][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.988192][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.988382][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.988556][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 369.988735][ 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) [ 369.988867][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 369.989041][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 369.989213][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 369.989397][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 369.989585][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 369.989762][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 369.989978][ T43] RIP: 0033:0x7fb53e9327b7 [ 369.990159][ T43] RSP: 002b:00007ffe9585b078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.990425][ T43] RAX: ffffffffffffffda RBX: 00007ffe9585b7a0 RCX: 00007fb53e9327b7 [ 369.990678][ T43] RDX: 0000000000000000 RSI: 00007ffe9585b0e0 RDI: 0000000000000005 [ 369.990940][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.991196][ T43] R10: 00007fb53e7eb708 R11: 0000000000000246 R12: 00007ffe9585b7b8 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