====================================== | [ 25.444646][ T233] other info that might help us debug this: | [ 25.444829][ T233] no locks held by restore_ipv4/233. | [ 25.444964][ T233] | [ 25.444964][ T233] stack backtrace: [ 25.445349][ T233] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 25.445635][ T233] Call Trace: [ 25.445742][ T233] [ 25.445812][ T233] dump_stack_lvl (lib/dump_stack.c:123) [ 25.445962][ T233] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 25.446094][ T233] print_unlock_imbalance_bug (kernel/locking/lockdep.c:5266) [ 25.446224][ T233] __lock_release (kernel/locking/lockdep.c:5502) [ 25.446356][ T233] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 25.446496][ T233] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 25.446627][ T233] lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) [ 25.446766][ T233] __mutex_unlock_slowpath (./include/linux/instrumented.h:68 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:921) [ 25.446904][ T233] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 25.447036][ T233] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) [ 25.447194][ T233] ? rtnl_link_ops_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:558) [ 25.447323][ T233] __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 25.447449][ T233] rtnl_newlink (net/core/rtnetlink.c:3961) [ 25.447576][ T233] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 25.447702][ T233] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 25.447832][ T233] ? __lock_release (kernel/locking/lockdep.c:5501) [ 25.447957][ T233] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 25.448084][ T233] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 25.448228][ T233] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 25.448361][ T233] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 25.448489][ T233] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 25.448617][ T233] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 25.448742][ T233] ? 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) [ 25.448870][ T233] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 25.448970][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 25.449100][ T233] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 25.449228][ T233] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 25.449361][ T233] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 25.449494][ T233] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 25.449624][ T233] ? 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) [ 25.449752][ T233] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 25.449886][ T233] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 25.450013][ T233] ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:816) [ 25.450139][ T233] ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:839) [ 25.450280][ T233] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 25.450412][ T233] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 25.450544][ T233] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 25.450648][ T233] __sys_sendto (net/socket.c:729 net/socket.c:744 net/socket.c:2216) [ 25.450778][ T233] ? __pfx___sys_sendto (net/socket.c:2186) [ 25.450913][ T233] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 25.451049][ T233] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 25.451174][ T233] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 25.451298][ T233] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52)) [ 25.451442][ T233] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 25.451577][ T233] ? __rseq_handle_notify_resume (kernel/rseq.c:333) [ 25.451735][ T233] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417) [ 25.451861][ T233] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316) [ 25.452037][ T233] __x64_sys_sendto (net/socket.c:2224) [ 25.452172][ T233] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 25.452329][ T233] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 25.452470][ T233] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.452631][ T233] RIP: 0033:0x7fd764ddf700 [ 25.452764][ T233] Code: ff ff 64 89 02 eb bd 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20 All code ======== 0: ff (bad) 1: ff 64 89 02 jmp *0x2(%rcx,%rcx,4) 5: eb bd jmp 0xffffffffffffffc4 7: 0f 1f 00 nopl (%rax) a: f3 0f 1e fa endbr64 e: 41 89 ca mov %ecx,%r10d 11: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 18: 00 19: 85 c0 test %eax,%eax 1b: 75 1d jne 0x3a 1d: 45 31 c9 xor %r9d,%r9d 20: 45 31 c0 xor %r8d,%r8d 23: b8 2c 00 00 00 mov $0x2c,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 68 ja 0x9a 32: c3 ret 33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 3a: 41 54 push %r12 3c: 48 83 ec 20 sub $0x20,%rsp Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 68 ja 0x70 8: c3 ret 9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 10: 41 54 push %r12 12: 48 83 ec 20 sub $0x20,%rsp [ 25.453227][ T233] RSP: 002b:00007fffec04df38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 25.453431][ T233] RAX: ffffffffffffffda RBX: 00007fffec04dfb8 RCX: 00007fd764ddf700 [ 25.453619][ T233] RDX: 0000000000000078 RSI: 00007fffec04df80 RDI: 0000000000000008 [ 25.453819][ T233] RBP: 00007fffec04df80 R08: 0000000000000000 R09: 0000000000000000 [ 25.454009][ T233] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040edf8 [ 25.454197][ T233] R13: 0000000000000048 R14: 000000000000004c R15: 0000000000000008 | [ 25.453619][ T233] RDX: 0000000000000078 RSI: 00007fffec04df80 RDI: 0000000000000008 | [ 25.453819][ T233] RBP: 00007fffec04df80 R08: 0000000000000000 R09: 0000000000000000 | [ 25.454009][ T233] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040edf8 | [ 25.454197][ T233] R13: 0000000000000048 R14: 000000000000004c R15: 0000000000000008 | [ 25.454389][ T233] [ 247.091451][ T43] INFO: task restore_ipv4:233 blocked for more than 122 seconds. [ 247.091828][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.091947][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.092155][ T43] task:restore_ipv4 state:D stack:25712 pid:233 tgid:233 ppid:232 flags:0x00004002 [ 247.092435][ T43] Call Trace: [ 247.092532][ T43] [ 247.092614][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 247.092749][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 247.092870][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.092993][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 247.093110][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 247.093199][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 247.093334][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 247.093457][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.093580][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 247.093698][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.093829][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.093953][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.094075][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.094188][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.094318][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 247.094441][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 247.094557][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.094685][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 247.094802][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.094922][ 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) [ 247.095036][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 247.095124][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.095249][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 247.095378][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.095497][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 247.095621][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 247.095740][ 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) [ 247.095856][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 247.095974][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 247.096088][ T43] ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:816) [ 247.096203][ T43] ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:839) [ 247.096326][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 247.096444][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 247.096562][ 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) [ 247.096653][ T43] __sys_sendto (net/socket.c:729 net/socket.c:744 net/socket.c:2216) [ 247.096772][ T43] ? __pfx___sys_sendto (net/socket.c:2186) [ 247.096886][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.097024][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 247.097143][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 247.097270][ T43] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52)) [ 247.097392][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 247.097511][ T43] ? __rseq_handle_notify_resume (kernel/rseq.c:333) [ 247.097663][ T43] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417) [ 247.097782][ T43] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316) [ 247.097928][ T43] __x64_sys_sendto (net/socket.c:2224) [ 247.098050][ T43] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 247.098210][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 247.098335][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 247.098484][ T43] RIP: 0033:0x7fd764ddf700 [ 247.098616][ T43] RSP: 002b:00007fffec04df38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 247.098795][ T43] RAX: ffffffffffffffda RBX: 00007fffec04dfb8 RCX: 00007fd764ddf700 [ 247.098966][ T43] RDX: 0000000000000078 RSI: 00007fffec04df80 RDI: 0000000000000008 [ 247.099138][ T43] RBP: 00007fffec04df80 R08: 0000000000000000 R09: 0000000000000000 [ 247.099321][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040edf8 [ 247.099537][ T43] R13: 0000000000000048 R14: 000000000000004c R15: 0000000000000008 | [ 247.099138][ T43] RBP: 00007fffec04df80 R08: 0000000000000000 R09: 0000000000000000 | [ 247.099321][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040edf8 | [ 247.099537][ T43] R13: 0000000000000048 R14: 000000000000004c R15: 0000000000000008 | [ 247.099721][ T43] | [ 247.099813][ T43] INFO: lockdep is turned off. [ 369.971439][ T43] INFO: task kworker/u16:1:75 blocked for more than 122 seconds. [ 369.972149][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.972373][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.972602][ T43] task:kworker/u16:1 state:D stack:30248 pid:75 tgid:75 ppid:2 flags:0x00004000 [ 369.972852][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.973020][ T43] Call Trace: [ 369.973112][ T43] [ 369.973178][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.973317][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.973438][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.973560][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.973698][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.973815][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.973905][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.974020][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.974136][ 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) [ 369.974261][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.974381][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.974496][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.974626][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.974744][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.974857][ T43] addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.974977][ T43] process_one_work (kernel/workqueue.c:3229) [ 369.975097][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.975213][ T43] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 369.975333][ T43] ? assign_work (kernel/workqueue.c:1200) [ 369.975456][ T43] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 369.975592][ T43] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 369.975742][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.975858][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.975978][ T43] kthread (kernel/kthread.c:389) [ 369.976119][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.976257][ T43] ret_from_fork (arch/x86/kernel/process.c:147) [ 369.976390][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.976511][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.976119][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.976257][ T43] ret_from_fork (arch/x86/kernel/process.c:147) | [ 369.976390][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.976511][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.976639][ T43] [ 369.976735][ T43] INFO: task restore_ipv4:233 blocked for more than 245 seconds. [ 369.976899][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.977015][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.977206][ T43] task:restore_ipv4 state:D stack:25712 pid:233 tgid:233 ppid:232 flags:0x00004006 [ 369.977444][ T43] Call Trace: [ 369.977553][ T43] [ 369.977618][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.977736][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.977852][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.977969][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.978086][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.978172][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.978293][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.978410][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.978537][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.978652][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.978769][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.978882][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.978998][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.979116][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.979231][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.979359][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 369.979474][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.979595][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 369.979710][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.979822][ 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) [ 369.979935][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 369.980026][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.980142][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 369.980273][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.980416][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 369.980541][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 369.980664][ 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) [ 369.980785][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 369.980901][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 369.981019][ T43] ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:816) [ 369.981138][ T43] ? netlink_autobind.isra.0 (net/netlink/af_netlink.c:839) [ 369.981264][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 369.981380][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 369.981501][ 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) [ 369.981609][ T43] __sys_sendto (net/socket.c:729 net/socket.c:744 net/socket.c:2216) [ 369.981729][ T43] ? __pfx___sys_sendto (net/socket.c:2186) [ 369.981844][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.981961][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 369.982078][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 369.982195][ T43] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52)) [ 369.982322][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 369.982442][ T43] ? __rseq_handle_notify_resume (kernel/rseq.c:333) [ 369.982583][ T43] ? do_user_addr_fault (./include/linux/mmap_lock.h:172 arch/x86/mm/fault.c:1417) [ 369.982704][ T43] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316) [ 369.982848][ T43] __x64_sys_sendto (net/socket.c:2224) [ 369.982966][ T43] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 369.983112][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 369.983232][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 369.983390][ T43] RIP: 0033:0x7fd764ddf700 [ 369.983515][ T43] RSP: 002b:00007fffec04df38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 369.983691][ T43] RAX: ffffffffffffffda RBX: 00007fffec04dfb8 RCX: 00007fd764ddf700 [ 369.983861][ T43] RDX: 0000000000000078 RSI: 00007fffec04df80 RDI: 0000000000000008 [ 369.984032][ T43] RBP: 00007fffec04df80 R08: 0000000000000000 R09: 0000000000000000 [ 369.984204][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040edf8 Finger prints: ret_from_fork:ret_from_fork_asm:__schedule:schedule:schedule_preempt_disabled __schedule:schedule:schedule_preempt_disabled:__mutex_lock:rtnl_newlink __schedule:schedule:schedule_preempt_disabled:__mutex_lock:addrconf_verify_work print_unlock_imbalance_bug:__lock_release:lock_release:__mutex_unlock_slowpath:__rtnl_unlock