====================================== | [ 27.593800][ T255] other info that might help us debug this: | [ 27.593987][ T255] no locks held by ip/255. | [ 27.594112][ T255] | [ 27.594112][ T255] stack backtrace: [ 27.594457][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.594737][ T255] Call Trace: [ 27.594837][ T255] [ 27.594903][ T255] dump_stack_lvl (lib/dump_stack.c:123) [ 27.595036][ T255] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 27.595169][ T255] print_unlock_imbalance_bug (kernel/locking/lockdep.c:5266) [ 27.595301][ T255] __lock_release (kernel/locking/lockdep.c:5502) [ 27.595429][ T255] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 27.595557][ T255] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 27.595684][ T255] lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) [ 27.595812][ T255] __mutex_unlock_slowpath (./include/linux/instrumented.h:68 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:921) [ 27.595946][ T255] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 27.596073][ T255] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) [ 27.596233][ T255] ? rtnl_link_ops_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:558) [ 27.596363][ T255] __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 27.596492][ T255] rtnl_newlink (net/core/rtnetlink.c:3961) [ 27.596619][ T255] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 27.596745][ T255] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 27.596873][ T255] ? __lock_release (kernel/locking/lockdep.c:5501) [ 27.597003][ T255] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 27.597130][ T255] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 27.597257][ T255] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 27.597381][ T255] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 27.597509][ T255] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 27.597637][ T255] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 27.597763][ T255] ? 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) [ 27.597889][ T255] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 27.597986][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 27.598114][ T255] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 27.598244][ T255] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 27.598370][ T255] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 27.598503][ T255] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 27.598631][ T255] ? 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) [ 27.598757][ T255] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 27.598884][ T255] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 27.599011][ T255] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 27.599138][ T255] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 27.599266][ T255] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 27.599396][ T255] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 27.599523][ T255] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 27.599651][ T255] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 27.599819][ T255] ? 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) [ 27.599945][ T255] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 27.600073][ T255] ___sys_sendmsg (net/socket.c:2665) [ 27.600198][ T255] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 27.600325][ T255] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 27.600451][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 27.600579][ T255] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 27.600708][ T255] ? __lock_release (kernel/locking/lockdep.c:5501) [ 27.600833][ T255] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 27.600961][ T255] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 27.601057][ T255] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 27.601183][ T255] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 27.601309][ T255] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 27.601435][ T255] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 27.601569][ T255] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 27.601702][ T255] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 27.601859][ T255] RIP: 0033:0x7fe954fbe7b7 [ 27.601992][ T255] 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) [ 27.602438][ T255] RSP: 002b:00007ffec6aa25d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.602630][ T255] RAX: ffffffffffffffda RBX: 00007ffec6aa2d00 RCX: 00007fe954fbe7b7 [ 27.602821][ T255] RDX: 0000000000000000 RSI: 00007ffec6aa2640 RDI: 0000000000000005 [ 27.603010][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.603198][ T255] R10: 00007fe954e77708 R11: 0000000000000246 R12: 00007ffec6aa2d18 [ 27.603385][ T255] R13: 00000000672a3174 R14: 0000000000496600 R15: 00007ffec6aa2728 | [ 27.602821][ T255] RDX: 0000000000000000 RSI: 00007ffec6aa2640 RDI: 0000000000000005 | [ 27.603010][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 27.603198][ T255] R10: 00007fe954e77708 R11: 0000000000000246 R12: 00007ffec6aa2d18 | [ 27.603385][ T255] R13: 00000000672a3174 R14: 0000000000496600 R15: 00007ffec6aa2728 | [ 27.603581][ T255] [ 247.088577][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.088896][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.089008][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.089200][ T43] task:ip state:D stack:25696 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 247.089471][ T43] Call Trace: [ 247.089591][ T43] [ 247.089662][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 247.089795][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 247.089915][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.090042][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 247.090161][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 247.090253][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 247.090381][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 247.090504][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.090627][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 247.090779][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.090920][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.091038][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.091161][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.091285][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.091424][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 247.091559][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 247.091680][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.091798][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 247.091920][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.092038][ 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) [ 247.092169][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 247.092260][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.092394][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 247.092509][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.092623][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 247.092736][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 247.092850][ 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) [ 247.092960][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 247.093073][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 247.093182][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.093293][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 247.093421][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 247.093561][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 247.093680][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 247.093794][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 247.093943][ 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) [ 247.094061][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 247.094178][ T43] ___sys_sendmsg (net/socket.c:2665) [ 247.094294][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 247.094419][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 247.094540][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.094678][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.094797][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 247.094918][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 247.095039][ 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) [ 247.095132][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 247.095253][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 247.095380][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 247.095503][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 247.095632][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 247.095756][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 247.095923][ T43] RIP: 0033:0x7fe954fbe7b7 [ 247.096041][ T43] RSP: 002b:00007ffec6aa25d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.096210][ T43] RAX: ffffffffffffffda RBX: 00007ffec6aa2d00 RCX: 00007fe954fbe7b7 [ 247.096386][ T43] RDX: 0000000000000000 RSI: 00007ffec6aa2640 RDI: 0000000000000005 [ 247.096558][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.096722][ T43] R10: 00007fe954e77708 R11: 0000000000000246 R12: 00007ffec6aa2d18 [ 247.096885][ T43] R13: 00000000672a3174 R14: 0000000000496600 R15: 00007ffec6aa2728 | [ 247.096558][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 247.096722][ T43] R10: 00007fe954e77708 R11: 0000000000000246 R12: 00007ffec6aa2d18 | [ 247.096885][ T43] R13: 00000000672a3174 R14: 0000000000496600 R15: 00007ffec6aa2728 | [ 247.097055][ T43] | [ 247.097143][ T43] INFO: lockdep is turned off. [ 369.968560][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.968973][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.969093][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.969292][ T43] task:kworker/u16:0 state:D stack:29080 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.969593][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.969776][ T43] Call Trace: [ 369.969892][ T43] [ 369.969962][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.970093][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.970215][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.970339][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.970476][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.970599][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.970692][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.970812][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.970944][ 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) [ 369.971065][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.971184][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.971310][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.971434][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.971548][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.971661][ T43] addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.971783][ T43] process_one_work (kernel/workqueue.c:3229) [ 369.971906][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.972020][ T43] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 369.972137][ T43] ? assign_work (kernel/workqueue.c:1200) [ 369.972253][ T43] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 369.972379][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.972494][ T43] kthread (kernel/kthread.c:389) [ 369.972584][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.972698][ T43] ret_from_fork (arch/x86/kernel/process.c:147) [ 369.972818][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.972934][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.972584][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.972698][ T43] ret_from_fork (arch/x86/kernel/process.c:147) | [ 369.972818][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.972934][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.973056][ T43] [ 369.973165][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.973299][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.973424][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.973646][ T43] task:ip state:D stack:25696 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 369.973884][ T43] Call Trace: [ 369.973979][ T43] [ 369.974042][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.974173][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.974289][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.974413][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.974565][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.974660][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.974788][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.974912][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.975036][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.975170][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.975300][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.975417][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.975538][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.975649][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.975764][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.975884][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 369.975996][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.976115][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 369.976229][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.976343][ 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) [ 369.976472][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 369.976561][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.976675][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 369.976799][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.976913][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 369.977032][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 369.977148][ 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) [ 369.977282][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 369.977424][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 369.977567][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.977707][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 369.977845][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 369.977970][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 369.978094][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 369.978230][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 369.978390][ 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) [ 369.978510][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 369.978630][ T43] ___sys_sendmsg (net/socket.c:2665) [ 369.978752][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 369.978875][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 369.978996][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.979121][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.979248][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.979381][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 369.979502][ 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) [ 369.979597][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 369.979719][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 369.979841][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 369.979963][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 369.980092][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 369.980215][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 369.980378][ T43] RIP: 0033:0x7fe954fbe7b7 [ 369.980520][ T43] RSP: 002b:00007ffec6aa25d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.980692][ T43] RAX: ffffffffffffffda RBX: 00007ffec6aa2d00 RCX: 00007fe954fbe7b7 [ 369.980871][ T43] RDX: 0000000000000000 RSI: 00007ffec6aa2640 RDI: 0000000000000005 [ 369.981040][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.981211][ T43] R10: 00007fe954e77708 R11: 0000000000000246 R12: 00007ffec6aa2d18 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