====================================== | [ 28.041604][ T255] other info that might help us debug this: | [ 28.041802][ T255] no locks held by ip/255. | [ 28.041938][ T255] | [ 28.041938][ T255] stack backtrace: [ 28.042311][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.042615][ T255] Call Trace: [ 28.042725][ T255] [ 28.042795][ T255] dump_stack_lvl (lib/dump_stack.c:123) [ 28.042938][ T255] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 28.043073][ T255] print_unlock_imbalance_bug (kernel/locking/lockdep.c:5266) [ 28.043212][ T255] __lock_release (kernel/locking/lockdep.c:5502) [ 28.043347][ T255] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 28.043483][ T255] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 28.043618][ T255] lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) [ 28.043753][ T255] __mutex_unlock_slowpath (./include/linux/instrumented.h:68 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:921) [ 28.043889][ T255] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 28.044025][ T255] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) [ 28.044199][ T255] ? rtnl_link_ops_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:558) [ 28.044340][ T255] __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 28.044473][ T255] rtnl_newlink (net/core/rtnetlink.c:3961) [ 28.044606][ T255] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 28.044744][ T255] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 28.044884][ T255] ? __lock_release (kernel/locking/lockdep.c:5501) [ 28.045021][ T255] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 28.045157][ T255] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 28.045295][ T255] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 28.045431][ T255] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 28.045565][ T255] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 28.045710][ T255] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 28.045846][ 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) [ 28.045979][ T255] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 28.046083][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 28.046217][ T255] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 28.046352][ T255] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 28.046486][ T255] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 28.046626][ T255] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 28.046782][ 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) [ 28.046916][ T255] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 28.047053][ T255] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 28.047193][ T255] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 28.047328][ T255] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 28.047463][ T255] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 28.047602][ T255] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 28.047736][ T255] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 28.047871][ T255] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 28.048037][ 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) [ 28.048174][ T255] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 28.048308][ T255] ___sys_sendmsg (net/socket.c:2665) [ 28.048441][ T255] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 28.048576][ T255] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 28.048712][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 28.048850][ T255] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 28.048984][ T255] ? __lock_release (kernel/locking/lockdep.c:5501) [ 28.049120][ T255] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 28.049254][ 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) [ 28.049360][ T255] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 28.049495][ T255] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 28.049643][ T255] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 28.049777][ T255] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 28.049921][ T255] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 28.050056][ T255] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 28.050228][ T255] RIP: 0033:0x7f5de4f827b7 [ 28.050368][ 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) [ 28.050844][ T255] RSP: 002b:00007ffef3accca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.051044][ T255] RAX: ffffffffffffffda RBX: 00007ffef3acd3d0 RCX: 00007f5de4f827b7 [ 28.051247][ T255] RDX: 0000000000000000 RSI: 00007ffef3accd10 RDI: 0000000000000005 [ 28.051448][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 28.051646][ T255] R10: 00007f5de4e3b708 R11: 0000000000000246 R12: 00007ffef3acd3e8 [ 28.051843][ T255] R13: 00000000672a0743 R14: 0000000000496600 R15: 00007ffef3accdf8 | [ 28.051247][ T255] RDX: 0000000000000000 RSI: 00007ffef3accd10 RDI: 0000000000000005 | [ 28.051448][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 28.051646][ T255] R10: 00007f5de4e3b708 R11: 0000000000000246 R12: 00007ffef3acd3e8 | [ 28.051843][ T255] R13: 00000000672a0743 R14: 0000000000496600 R15: 00007ffef3accdf8 | [ 28.052045][ T255] [ 247.091332][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.091769][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.091899][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.092152][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:240 flags:0x00004002 [ 247.092425][ T43] Call Trace: [ 247.092522][ T43] [ 247.092597][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 247.092757][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 247.092895][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.093033][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 247.093167][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 247.093264][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 247.093394][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 247.093524][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.093652][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 247.093776][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.093903][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.094018][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.094138][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.094273][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.094423][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 247.094546][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 247.094664][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.094785][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 247.094907][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.095024][ 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) [ 247.095154][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 247.095250][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.095377][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 247.095501][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.095622][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 247.095745][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 247.095867][ 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) [ 247.095986][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 247.096109][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 247.096243][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.096387][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 247.096511][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 247.096632][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 247.096754][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 247.096877][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 247.097024][ 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) [ 247.097150][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 247.097273][ T43] ___sys_sendmsg (net/socket.c:2665) [ 247.097401][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 247.097519][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 247.097639][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.097761][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.097885][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 247.098004][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 247.098132][ 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) [ 247.098225][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 247.098346][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 247.098472][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 247.098590][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 247.098721][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 247.098844][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 247.098996][ T43] RIP: 0033:0x7f5de4f827b7 [ 247.099134][ T43] RSP: 002b:00007ffef3accca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.099323][ T43] RAX: ffffffffffffffda RBX: 00007ffef3acd3d0 RCX: 00007f5de4f827b7 [ 247.099508][ T43] RDX: 0000000000000000 RSI: 00007ffef3accd10 RDI: 0000000000000005 [ 247.099686][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.099866][ T43] R10: 00007f5de4e3b708 R11: 0000000000000246 R12: 00007ffef3acd3e8 [ 247.100047][ T43] R13: 00000000672a0743 R14: 0000000000496600 R15: 00007ffef3accdf8 | [ 247.099686][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 247.099866][ T43] R10: 00007f5de4e3b708 R11: 0000000000000246 R12: 00007ffef3acd3e8 | [ 247.100047][ T43] R13: 00000000672a0743 R14: 0000000000496600 R15: 00007ffef3accdf8 | [ 247.100247][ T43] | [ 247.100360][ T43] INFO: lockdep is turned off. [ 369.971328][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.971807][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.971919][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.972104][ T43] task:kworker/u16:0 state:D stack:28328 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.972433][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.972618][ T43] Call Trace: [ 369.972713][ T43] [ 369.972792][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.972920][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.973047][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.973178][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.973295][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.973408][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.973494][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.973621][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.973746][ 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) [ 369.973859][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.973969][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.974081][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.974206][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.974319][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.974432][ T43] addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.974542][ T43] process_one_work (kernel/workqueue.c:3229) [ 369.974663][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.974775][ T43] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 369.974887][ T43] ? assign_work (kernel/workqueue.c:1200) [ 369.975008][ T43] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 369.975135][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.975243][ T43] kthread (kernel/kthread.c:389) [ 369.975332][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.975442][ T43] ret_from_fork (arch/x86/kernel/process.c:147) [ 369.975560][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.975675][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.975332][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.975442][ T43] ret_from_fork (arch/x86/kernel/process.c:147) | [ 369.975560][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.975675][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.975793][ T43] [ 369.975897][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.976028][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.976153][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.976364][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:240 flags:0x00004002 [ 369.976596][ T43] Call Trace: [ 369.976688][ T43] [ 369.976750][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.976873][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.976993][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.977112][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.977242][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.977334][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.977461][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.977575][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.977692][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.977806][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.977921][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.978035][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.978168][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.978282][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.978395][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.978507][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 369.978616][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.978733][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 369.978845][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.978955][ 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) [ 369.979067][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 369.979162][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.979292][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 369.979407][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.979518][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 369.979636][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 369.979747][ 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) [ 369.979860][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 369.979974][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 369.980086][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.980217][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 369.980359][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 369.980483][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 369.980603][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 369.980722][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 369.980866][ 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) [ 369.980983][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 369.981102][ T43] ___sys_sendmsg (net/socket.c:2665) [ 369.981234][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 369.981350][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 369.981468][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.981593][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.981708][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.981819][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 369.981934][ 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) [ 369.982020][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 369.982135][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 369.982258][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 369.982369][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 369.982488][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 369.982602][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 369.982746][ T43] RIP: 0033:0x7f5de4f827b7 [ 369.982861][ T43] RSP: 002b:00007ffef3accca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.983028][ T43] RAX: ffffffffffffffda RBX: 00007ffef3acd3d0 RCX: 00007f5de4f827b7 [ 369.983206][ T43] RDX: 0000000000000000 RSI: 00007ffef3accd10 RDI: 0000000000000005 [ 369.983373][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.983538][ T43] R10: 00007f5de4e3b708 R11: 0000000000000246 R12: 00007ffef3acd3e8 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