====================================== | [ 27.098235][ T256] other info that might help us debug this: | [ 27.098420][ T256] no locks held by ip/256. | [ 27.098555][ T256] | [ 27.098555][ T256] stack backtrace: [ 27.098932][ T256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.099242][ T256] Call Trace: [ 27.099344][ T256] [ 27.099411][ T256] dump_stack_lvl (lib/dump_stack.c:123) [ 27.099550][ T256] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 27.099702][ T256] print_unlock_imbalance_bug (kernel/locking/lockdep.c:5266) [ 27.099837][ T256] __lock_release (kernel/locking/lockdep.c:5502) [ 27.099980][ T256] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 27.100110][ T256] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 27.100262][ T256] lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) [ 27.100389][ T256] __mutex_unlock_slowpath (./include/linux/instrumented.h:68 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:921) [ 27.100538][ T256] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 27.100691][ T256] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) [ 27.100852][ T256] ? rtnl_link_ops_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:558) [ 27.100982][ T256] __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 27.101111][ T256] rtnl_newlink (net/core/rtnetlink.c:3961) [ 27.101240][ T256] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 27.101375][ T256] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 27.101506][ T256] ? __lock_release (kernel/locking/lockdep.c:5501) [ 27.101631][ T256] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 27.101756][ T256] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 27.101889][ T256] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 27.102040][ T256] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 27.102167][ T256] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 27.102295][ T256] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 27.102422][ T256] ? 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) [ 27.102557][ T256] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 27.102655][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 27.102795][ T256] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 27.102943][ T256] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 27.103071][ T256] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 27.103212][ T256] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 27.103365][ T256] ? 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) [ 27.103495][ T256] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 27.103628][ T256] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 27.103770][ T256] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 27.103897][ T256] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 27.104035][ T256] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 27.104165][ T256] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 27.104300][ T256] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 27.104438][ T256] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 27.104601][ T256] ? 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) [ 27.104750][ T256] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 27.104878][ T256] ___sys_sendmsg (net/socket.c:2665) [ 27.105005][ T256] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 27.105145][ T256] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 27.105273][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 27.105413][ T256] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 27.105539][ T256] ? __lock_release (kernel/locking/lockdep.c:5501) [ 27.105685][ T256] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 27.105815][ T256] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 27.105911][ T256] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 27.106048][ T256] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 27.106198][ T256] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 27.106322][ T256] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 27.106458][ T256] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 27.106600][ T256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 27.106762][ T256] RIP: 0033:0x7fe98162f7b7 [ 27.106903][ T256] 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) [ 27.107372][ T256] RSP: 002b:00007fffe27a9b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.107597][ T256] RAX: ffffffffffffffda RBX: 00007fffe27aa2c0 RCX: 00007fe98162f7b7 [ 27.107790][ T256] RDX: 0000000000000000 RSI: 00007fffe27a9c00 RDI: 0000000000000005 [ 27.108001][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.108191][ T256] R10: 00007fe9814e8708 R11: 0000000000000246 R12: 00007fffe27aa2d8 [ 27.108385][ T256] R13: 00000000672a0740 R14: 0000000000496600 R15: 00007fffe27a9ce8 | [ 27.107790][ T256] RDX: 0000000000000000 RSI: 00007fffe27a9c00 RDI: 0000000000000005 | [ 27.108001][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 27.108191][ T256] R10: 00007fe9814e8708 R11: 0000000000000246 R12: 00007fffe27aa2d8 | [ 27.108385][ T256] R13: 00000000672a0740 R14: 0000000000496600 R15: 00007fffe27a9ce8 | [ 27.108592][ T256] [ 247.092636][ T43] INFO: task ip:256 blocked for more than 122 seconds. [ 247.092997][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.093125][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.093344][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 247.093617][ T43] Call Trace: [ 247.093713][ T43] [ 247.093785][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 247.093927][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 247.094056][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.094184][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 247.094308][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 247.094400][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 247.094531][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 247.094650][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.094774][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 247.094892][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.095017][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.095137][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.095255][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.095383][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.095508][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 247.095629][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 247.095745][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.095859][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 247.095973][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.096090][ 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) [ 247.096203][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 247.096297][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.096414][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 247.096539][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.096658][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 247.096776][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 247.096892][ 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) [ 247.097007][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 247.097127][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 247.097250][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.097372][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 247.097493][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 247.097614][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 247.097735][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 247.097850][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 247.097995][ 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) [ 247.098117][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 247.098241][ T43] ___sys_sendmsg (net/socket.c:2665) [ 247.098359][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 247.098491][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 247.098617][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.098735][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.098850][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 247.098964][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 247.099084][ 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) [ 247.099177][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 247.099298][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 247.099416][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 247.099542][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 247.099673][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 247.099800][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 247.099946][ T43] RIP: 0033:0x7fe98162f7b7 [ 247.100080][ T43] RSP: 002b:00007fffe27a9b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.100264][ T43] RAX: ffffffffffffffda RBX: 00007fffe27aa2c0 RCX: 00007fe98162f7b7 [ 247.100438][ T43] RDX: 0000000000000000 RSI: 00007fffe27a9c00 RDI: 0000000000000005 [ 247.100619][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.100793][ T43] R10: 00007fe9814e8708 R11: 0000000000000246 R12: 00007fffe27aa2d8 [ 247.100961][ T43] R13: 00000000672a0740 R14: 0000000000496600 R15: 00007fffe27a9ce8 | [ 247.100619][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 247.100793][ T43] R10: 00007fe9814e8708 R11: 0000000000000246 R12: 00007fffe27aa2d8 | [ 247.100961][ T43] R13: 00000000672a0740 R14: 0000000000496600 R15: 00007fffe27a9ce8 | [ 247.101141][ T43] | [ 247.101235][ T43] INFO: lockdep is turned off. [ 369.972662][ T43] INFO: task kworker/u16:1:75 blocked for more than 122 seconds. [ 369.973211][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.973324][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.973544][ T43] task:kworker/u16:1 state:D stack:30248 pid:75 tgid:75 ppid:2 flags:0x00004000 [ 369.973829][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.973994][ T43] Call Trace: [ 369.974088][ T43] [ 369.974154][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.974291][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.974410][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.974542][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.974664][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.974786][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.974877][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.974992][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.975109][ 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) [ 369.975231][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.975347][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.975473][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.975590][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.975725][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.975844][ T43] addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.975961][ T43] process_one_work (kernel/workqueue.c:3229) [ 369.976083][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.976195][ T43] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 369.976317][ T43] ? assign_work (kernel/workqueue.c:1200) [ 369.976437][ T43] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 369.976561][ T43] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 369.976707][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.976826][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.976937][ T43] kthread (kernel/kthread.c:389) [ 369.977026][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.977138][ T43] ret_from_fork (arch/x86/kernel/process.c:147) [ 369.977257][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.977371][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.977026][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.977138][ T43] ret_from_fork (arch/x86/kernel/process.c:147) | [ 369.977257][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.977371][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.977509][ T43] [ 369.977605][ T43] INFO: task ip:256 blocked for more than 245 seconds. [ 369.977744][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.977853][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.978042][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 369.978275][ T43] Call Trace: [ 369.978359][ T43] [ 369.978418][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.978542][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.978663][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.978782][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.978895][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.978979][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.979093][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.979214][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.979340][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.979462][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.979581][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.979691][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.979810][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.979922][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.980040][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.980153][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 369.980267][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.980381][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 369.980503][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.980623][ 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) [ 369.980739][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 369.980826][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.980942][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 369.981057][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.981169][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 369.981289][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 369.981403][ 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) [ 369.981538][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 369.981656][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 369.981774][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.981890][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 369.982006][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 369.982120][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 369.982241][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 369.982352][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 369.982503][ 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) [ 369.982618][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 369.982735][ T43] ___sys_sendmsg (net/socket.c:2665) [ 369.982850][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 369.982962][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 369.983079][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.983200][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.983312][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.983429][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 369.983551][ 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) [ 369.983639][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 369.983758][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 369.983873][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 369.983987][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 369.984108][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 369.984230][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 369.984377][ T43] RIP: 0033:0x7fe98162f7b7 [ 369.984508][ T43] RSP: 002b:00007fffe27a9b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.984678][ T43] RAX: ffffffffffffffda RBX: 00007fffe27aa2c0 RCX: 00007fe98162f7b7 [ 369.984850][ T43] RDX: 0000000000000000 RSI: 00007fffe27a9c00 RDI: 0000000000000005 [ 369.985017][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.985188][ T43] R10: 00007fe9814e8708 R11: 0000000000000246 R12: 00007fffe27aa2d8 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