====================================== | [ 26.542075][ T256] other info that might help us debug this: | [ 26.542285][ T256] no locks held by ip/256. | [ 26.542427][ T256] | [ 26.542427][ T256] stack backtrace: [ 26.542813][ T256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.543130][ T256] Call Trace: [ 26.543244][ T256] [ 26.543319][ T256] dump_stack_lvl (lib/dump_stack.c:123) [ 26.543466][ T256] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 26.543609][ T256] print_unlock_imbalance_bug (kernel/locking/lockdep.c:5266) [ 26.543753][ T256] __lock_release (kernel/locking/lockdep.c:5502) [ 26.543896][ T256] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 26.544040][ T256] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 26.544182][ T256] lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) [ 26.544323][ T256] __mutex_unlock_slowpath (./include/linux/instrumented.h:68 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:921) [ 26.544467][ T256] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 26.544608][ T256] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) [ 26.544787][ T256] ? rtnl_link_ops_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:558) [ 26.544932][ T256] __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 26.545073][ T256] rtnl_newlink (net/core/rtnetlink.c:3961) [ 26.545215][ T256] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 26.545356][ T256] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 26.545501][ T256] ? __lock_release (kernel/locking/lockdep.c:5501) [ 26.545642][ T256] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 26.545785][ T256] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 26.545932][ T256] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 26.546073][ T256] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 26.546214][ T256] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 26.546359][ T256] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 26.546501][ 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) [ 26.546643][ T256] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 26.546754][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 26.546898][ T256] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 26.547041][ T256] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 26.547183][ T256] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 26.547335][ T256] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 26.547478][ 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) [ 26.547622][ T256] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 26.547766][ T256] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 26.547908][ T256] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 26.548052][ T256] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 26.548197][ T256] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 26.548347][ T256] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 26.548504][ T256] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 26.548646][ T256] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 26.548822][ 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) [ 26.548964][ T256] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 26.549107][ T256] ___sys_sendmsg (net/socket.c:2665) [ 26.549250][ T256] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 26.549395][ T256] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 26.549539][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 26.549685][ T256] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 26.549826][ T256] ? __lock_release (kernel/locking/lockdep.c:5501) [ 26.549967][ T256] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 26.550126][ 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) [ 26.550234][ T256] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 26.550377][ T256] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 26.550531][ T256] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 26.550674][ T256] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 26.550821][ T256] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 26.550971][ T256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 26.551164][ T256] RIP: 0033:0x7f57d84c87b7 [ 26.551325][ 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) [ 26.551822][ T256] RSP: 002b:00007ffd0990dea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.552039][ T256] RAX: ffffffffffffffda RBX: 00007ffd0990e5d0 RCX: 00007f57d84c87b7 [ 26.552252][ T256] RDX: 0000000000000000 RSI: 00007ffd0990df10 RDI: 0000000000000005 [ 26.552467][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 26.552679][ T256] R10: 00007f57d8381708 R11: 0000000000000246 R12: 00007ffd0990e5e8 [ 26.552890][ T256] R13: 00000000672a0752 R14: 0000000000496600 R15: 00007ffd0990dff8 | [ 26.552252][ T256] RDX: 0000000000000000 RSI: 00007ffd0990df10 RDI: 0000000000000005 | [ 26.552467][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 26.552679][ T256] R10: 00007f57d8381708 R11: 0000000000000246 R12: 00007ffd0990e5e8 | [ 26.552890][ T256] R13: 00000000672a0752 R14: 0000000000496600 R15: 00007ffd0990dff8 | [ 26.553109][ T256] [ 247.088549][ T43] INFO: task ip:256 blocked for more than 122 seconds. [ 247.089158][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.089564][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.089921][ T43] task:ip state:D stack:25640 pid:256 tgid:256 ppid:242 flags:0x00004002 [ 247.090284][ T43] Call Trace: [ 247.090400][ T43] [ 247.090474][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 247.090624][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 247.090764][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.090905][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 247.091039][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 247.091144][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 247.091283][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 247.091428][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.091564][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 247.091712][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.091851][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.091990][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.092167][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.092329][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.092489][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 247.092634][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 247.092788][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.092933][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 247.093088][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.093228][ 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) [ 247.093375][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 247.093478][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.093612][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 247.093750][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.093881][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 247.094020][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 247.094157][ 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) [ 247.094291][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 247.094429][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 247.094562][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.094697][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 247.094835][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 247.094967][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 247.095102][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 247.095252][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 247.095439][ 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) [ 247.095576][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 247.095711][ T43] ___sys_sendmsg (net/socket.c:2665) [ 247.095846][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 247.095983][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 247.096120][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.096256][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.096414][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 247.096549][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 247.096686][ 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) [ 247.096789][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 247.096923][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 247.097088][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 247.097227][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 247.097380][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 247.097523][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 247.097693][ T43] RIP: 0033:0x7f57d84c87b7 [ 247.097837][ T43] RSP: 002b:00007ffd0990dea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.098058][ T43] RAX: ffffffffffffffda RBX: 00007ffd0990e5d0 RCX: 00007f57d84c87b7 [ 247.098265][ T43] RDX: 0000000000000000 RSI: 00007ffd0990df10 RDI: 0000000000000005 [ 247.098475][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.098695][ T43] R10: 00007f57d8381708 R11: 0000000000000246 R12: 00007ffd0990e5e8 [ 247.098894][ T43] R13: 00000000672a0752 R14: 0000000000496600 R15: 00007ffd0990dff8 | WAIT TIMEOUT stderr | | Ctrl-C stderr | | Ctrl-C stderr [ 369.968495][ T43] INFO: task kworker/u16:1:76 blocked for more than 122 seconds. [ 369.968819][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.968961][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.969199][ T43] task:kworker/u16:1 state:D stack:30248 pid:76 tgid:76 ppid:2 flags:0x00004000 [ 369.969519][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.969708][ T43] Call Trace: [ 369.969820][ T43] [ 369.969900][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.970052][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.970199][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.970367][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.970515][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.970663][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.970774][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.970915][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.971060][ 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) [ 369.971206][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.971361][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.971508][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.971652][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.971800][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.971944][ T43] addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.972088][ T43] process_one_work (kernel/workqueue.c:3229) [ 369.972232][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.972384][ T43] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 369.972539][ T43] ? assign_work (kernel/workqueue.c:1200) [ 369.972685][ T43] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 369.972827][ T43] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 369.973006][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.973149][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.973293][ T43] kthread (kernel/kthread.c:389) [ 369.973417][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.973564][ T43] ret_from_fork (arch/x86/kernel/process.c:147) [ 369.973710][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.973857][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.973417][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.973564][ T43] ret_from_fork (arch/x86/kernel/process.c:147) | [ 369.973710][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.973857][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.974005][ T43] [ 369.974115][ T43] INFO: task ip:256 blocked for more than 245 seconds. [ 369.974286][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.974429][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.974659][ T43] task:ip state:D stack:25640 pid:256 tgid:256 ppid:242 flags:0x00004006 [ 369.974918][ T43] Call Trace: [ 369.975016][ T43] [ 369.975083][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.975215][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.975346][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.975487][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.975617][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.975715][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.975844][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.975981][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.976110][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.976257][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.976398][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.976524][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.976655][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.976787][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.976918][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.977049][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 369.977183][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.977309][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 369.977451][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.977583][ 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) [ 369.977716][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 369.977816][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.977946][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 369.978076][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.978210][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 369.978343][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 369.978480][ 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) [ 369.978611][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 369.978742][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 369.978874][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.979003][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 369.979135][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 369.979271][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 369.979408][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 369.979535][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 369.979694][ 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) [ 369.979824][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 369.979955][ T43] ___sys_sendmsg (net/socket.c:2665) [ 369.980085][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 369.980219][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 369.980360][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.980496][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.980626][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.980755][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 369.980886][ 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) [ 369.980986][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 369.981119][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 369.981250][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 369.981389][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 369.981533][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 369.981663][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 369.981822][ T43] RIP: 0033:0x7f57d84c87b7 [ 369.981954][ T43] RSP: 002b:00007ffd0990dea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.982146][ T43] RAX: ffffffffffffffda RBX: 00007ffd0990e5d0 RCX: 00007f57d84c87b7 [ 369.982336][ T43] RDX: 0000000000000000 RSI: 00007ffd0990df10 RDI: 0000000000000005 [ 369.982536][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.982729][ T43] R10: 00007f57d8381708 R11: 0000000000000246 R12: 00007ffd0990e5e8 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