====================================== | [ 26.872991][ T258] other info that might help us debug this: | [ 26.873196][ T258] no locks held by ip/258. | [ 26.873341][ T258] | [ 26.873341][ T258] stack backtrace: [ 26.873731][ T258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.874044][ T258] Call Trace: [ 26.874156][ T258] [ 26.874229][ T258] dump_stack_lvl (lib/dump_stack.c:123) [ 26.874378][ T258] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 26.874521][ T258] print_unlock_imbalance_bug (kernel/locking/lockdep.c:5266) [ 26.874664][ T258] __lock_release (kernel/locking/lockdep.c:5502) [ 26.874807][ T258] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 26.874965][ T258] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 26.875108][ T258] lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) [ 26.875248][ T258] __mutex_unlock_slowpath (./include/linux/instrumented.h:68 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:921) [ 26.875391][ T258] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 26.875532][ T258] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) [ 26.875713][ T258] ? rtnl_link_ops_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:558) [ 26.875856][ T258] __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 26.875997][ T258] rtnl_newlink (net/core/rtnetlink.c:3961) [ 26.876139][ T258] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 26.876281][ T258] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 26.876426][ T258] ? __lock_release (kernel/locking/lockdep.c:5501) [ 26.876568][ T258] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 26.876710][ T258] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 26.876857][ T258] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 26.877001][ T258] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 26.877143][ T258] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 26.877285][ T258] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 26.877427][ T258] ? 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) [ 26.877570][ T258] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 26.877683][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 26.877829][ T258] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 26.877972][ T258] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 26.878116][ T258] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 26.878268][ T258] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 26.878412][ T258] ? 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) [ 26.878554][ T258] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 26.878699][ T258] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 26.878841][ T258] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 26.878985][ T258] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 26.879128][ T258] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 26.879276][ T258] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 26.879419][ T258] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 26.879559][ T258] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 26.879735][ T258] ? 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) [ 26.879879][ T258] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 26.880022][ T258] ___sys_sendmsg (net/socket.c:2665) [ 26.880164][ T258] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 26.880305][ T258] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 26.880450][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 26.880595][ T258] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 26.880737][ T258] ? __lock_release (kernel/locking/lockdep.c:5501) [ 26.880876][ T258] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 26.881018][ T258] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 26.881128][ T258] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 26.881268][ T258] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 26.881408][ T258] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 26.881547][ T258] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 26.881699][ T258] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 26.881844][ T258] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 26.882021][ T258] RIP: 0033:0x7f97623de7b7 [ 26.882172][ T258] 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) [ 26.882671][ T258] RSP: 002b:00007ffc2943fc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.882890][ T258] RAX: ffffffffffffffda RBX: 00007ffc29440360 RCX: 00007f97623de7b7 [ 26.883104][ T258] RDX: 0000000000000000 RSI: 00007ffc2943fca0 RDI: 0000000000000005 [ 26.883315][ T258] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 26.883531][ T258] R10: 00007f9762297708 R11: 0000000000000246 R12: 00007ffc29440378 [ 26.883742][ T258] R13: 00000000672a074a R14: 0000000000496600 R15: 00007ffc2943fd88 | [ 26.883104][ T258] RDX: 0000000000000000 RSI: 00007ffc2943fca0 RDI: 0000000000000005 | [ 26.883315][ T258] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 26.883531][ T258] R10: 00007f9762297708 R11: 0000000000000246 R12: 00007ffc29440378 | [ 26.883742][ T258] R13: 00000000672a074a R14: 0000000000496600 R15: 00007ffc2943fd88 | [ 26.883964][ T258] [ 247.090505][ T43] INFO: task ip:258 blocked for more than 122 seconds. [ 247.090981][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.091108][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.091399][ T43] task:ip state:D stack:25696 pid:258 tgid:258 ppid:243 flags:0x00004002 [ 247.091674][ T43] Call Trace: [ 247.091772][ T43] [ 247.091852][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 247.092007][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 247.092137][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.092293][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 247.092418][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 247.092515][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 247.092639][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 247.092764][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.092903][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 247.093028][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.093149][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.093290][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.093424][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.093564][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.093709][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 247.093833][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 247.093958][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.094082][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 247.094205][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.094342][ 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) [ 247.094460][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 247.094551][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.094673][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 247.094797][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.094916][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 247.095040][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 247.095163][ 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) [ 247.095297][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 247.095420][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 247.095538][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.095659][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 247.095780][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 247.095900][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 247.096024][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 247.096146][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 247.096303][ 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) [ 247.096424][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 247.096544][ T43] ___sys_sendmsg (net/socket.c:2665) [ 247.096666][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 247.096786][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 247.096909][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.097033][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.097154][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 247.097284][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 247.097407][ 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) [ 247.097499][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 247.097617][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 247.097743][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 247.097861][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 247.097995][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 247.098119][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 247.098279][ T43] RIP: 0033:0x7f97623de7b7 [ 247.098410][ T43] RSP: 002b:00007ffc2943fc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.098593][ T43] RAX: ffffffffffffffda RBX: 00007ffc29440360 RCX: 00007f97623de7b7 [ 247.098777][ T43] RDX: 0000000000000000 RSI: 00007ffc2943fca0 RDI: 0000000000000005 [ 247.098960][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.099141][ T43] R10: 00007f9762297708 R11: 0000000000000246 R12: 00007ffc29440378 [ 247.099335][ T43] R13: 00000000672a074a R14: 0000000000496600 R15: 00007ffc2943fd88 | WAIT TIMEOUT stderr | | Ctrl-C stderr | | Ctrl-C stderr [ 369.970538][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.970935][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.971047][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.971227][ T43] task:kworker/u16:0 state:D stack:29664 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.971477][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.971652][ T43] Call Trace: [ 369.971742][ T43] [ 369.971804][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.971930][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.972048][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.972177][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.972300][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.972386][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.972494][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.972609][ 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) [ 369.972719][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.972829][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.972968][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.973084][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.973198][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.973319][ T43] addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.973438][ T43] process_one_work (kernel/workqueue.c:3229) [ 369.973564][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.973672][ T43] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 369.973784][ T43] ? assign_work (kernel/workqueue.c:1200) [ 369.973902][ T43] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 369.974014][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.974120][ T43] kthread (kernel/kthread.c:389) [ 369.974203][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.974319][ T43] ret_from_fork (arch/x86/kernel/process.c:147) [ 369.974432][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.974540][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.974203][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.974319][ T43] ret_from_fork (arch/x86/kernel/process.c:147) | [ 369.974432][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.974540][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.974652][ T43] [ 369.974753][ T43] INFO: task ip:258 blocked for more than 245 seconds. [ 369.974883][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.974986][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.975160][ T43] task:ip state:D stack:25696 pid:258 tgid:258 ppid:243 flags:0x00004006 [ 369.975395][ T43] Call Trace: [ 369.975498][ T43] [ 369.975558][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.975680][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.975797][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.975912][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.976026][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.976119][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.976227][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.976349][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.976458][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.976569][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.976678][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.976788][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.976900][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.977007][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.977115][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.977249][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 369.977387][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.977506][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 369.977626][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.977742][ 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) [ 369.977861][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 369.977951][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.978068][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 369.978191][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.978323][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 369.978448][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 369.978571][ 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) [ 369.978696][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 369.978816][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 369.978934][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.979053][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 369.979171][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 369.979306][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 369.979434][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 369.979555][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 369.979699][ 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) [ 369.979829][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 369.979948][ T43] ___sys_sendmsg (net/socket.c:2665) [ 369.980062][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 369.980175][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 369.980297][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.980416][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.980534][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.980656][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 369.980765][ 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) [ 369.980854][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 369.980964][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 369.981075][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 369.981181][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 369.981301][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 369.981417][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 369.981551][ T43] RIP: 0033:0x7f97623de7b7 [ 369.981666][ T43] RSP: 002b:00007ffc2943fc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.981832][ T43] RAX: ffffffffffffffda RBX: 00007ffc29440360 RCX: 00007f97623de7b7 [ 369.981990][ T43] RDX: 0000000000000000 RSI: 00007ffc2943fca0 RDI: 0000000000000005 [ 369.982148][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.982321][ T43] R10: 00007f9762297708 R11: 0000000000000246 R12: 00007ffc29440378 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