====================================== | [ 28.035863][ T255] other info that might help us debug this: | [ 28.036061][ T255] no locks held by ip/255. | [ 28.036193][ T255] | [ 28.036193][ T255] stack backtrace: [ 28.036548][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.036834][ T255] Call Trace: [ 28.036939][ T255] <TASK> [ 28.037009][ T255] dump_stack_lvl (lib/dump_stack.c:123) [ 28.037144][ T255] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 28.037280][ T255] print_unlock_imbalance_bug (kernel/locking/lockdep.c:5266) [ 28.037410][ T255] __lock_release (kernel/locking/lockdep.c:5502) [ 28.037541][ T255] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 28.037676][ T255] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 28.037813][ T255] lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) [ 28.037941][ T255] __mutex_unlock_slowpath (./include/linux/instrumented.h:68 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:921) [ 28.038082][ T255] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 28.038212][ T255] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) [ 28.038372][ T255] ? rtnl_link_ops_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:558) [ 28.038503][ T255] __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 28.038634][ T255] rtnl_newlink (net/core/rtnetlink.c:3961) [ 28.038765][ T255] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 28.038893][ T255] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 28.039023][ T255] ? __lock_release (kernel/locking/lockdep.c:5501) [ 28.039151][ T255] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 28.039285][ T255] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 28.039414][ T255] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 28.039547][ T255] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 28.039675][ T255] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 28.039810][ T255] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 28.039942][ 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) [ 28.040073][ T255] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 28.040172][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 28.040306][ T255] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 28.040439][ T255] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 28.040570][ T255] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 28.040703][ T255] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 28.040832][ 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) [ 28.040962][ T255] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 28.041093][ T255] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 28.041226][ T255] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 28.041355][ T255] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 28.041490][ T255] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 28.041624][ T255] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 28.041753][ T255] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 28.041878][ T255] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 28.042039][ 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) [ 28.042166][ T255] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 28.042295][ T255] ___sys_sendmsg (net/socket.c:2665) [ 28.042424][ T255] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 28.042552][ T255] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 28.042683][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 28.042814][ T255] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 28.042941][ T255] ? __lock_release (kernel/locking/lockdep.c:5501) [ 28.043068][ T255] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 28.043200][ 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) [ 28.043308][ T255] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 28.043449][ T255] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 28.043587][ T255] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 28.043728][ T255] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 28.043880][ T255] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 28.044030][ T255] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 28.044203][ T255] RIP: 0033:0x7f0c526b07b7 [ 28.044350][ 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) [ 28.044848][ T255] RSP: 002b:00007ffc26070608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.045067][ T255] RAX: ffffffffffffffda RBX: 00007ffc26070d30 RCX: 00007f0c526b07b7 [ 28.045275][ T255] RDX: 0000000000000000 RSI: 00007ffc26070670 RDI: 0000000000000005 [ 28.045484][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 28.045691][ T255] R10: 00007f0c52569708 R11: 0000000000000246 R12: 00007ffc26070d48 [ 28.045904][ T255] R13: 000000006729dce4 R14: 0000000000496600 R15: 00007ffc26070758 | [ 28.045275][ T255] RDX: 0000000000000000 RSI: 00007ffc26070670 RDI: 0000000000000005 | [ 28.045484][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 28.045691][ T255] R10: 00007f0c52569708 R11: 0000000000000246 R12: 00007ffc26070d48 | [ 28.045904][ T255] R13: 000000006729dce4 R14: 0000000000496600 R15: 00007ffc26070758 | [ 28.046123][ T255] </TASK> [ 247.090560][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.091180][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.091403][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.091770][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:240 flags:0x00004002 [ 247.092147][ T43] Call Trace: [ 247.092259][ T43] <TASK> [ 247.092353][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 247.092511][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 247.092658][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.092812][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 247.092955][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 247.093063][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 247.093208][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 247.093363][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.093509][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 247.093655][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.093800][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.093952][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.094093][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.094239][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.094387][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 247.094533][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 247.094677][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.094828][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 247.094980][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.095158][ 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) [ 247.095324][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 247.095453][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.095605][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 247.095757][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.095914][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 247.096070][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 247.096216][ 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) [ 247.096362][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 247.096510][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 247.096648][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.096792][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 247.096934][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 247.097073][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 247.097218][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 247.097361][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 247.097542][ 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) [ 247.097680][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 247.097827][ T43] ___sys_sendmsg (net/socket.c:2665) [ 247.097965][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 247.098106][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 247.098247][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.098399][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.098541][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 247.098685][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 247.098831][ 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) [ 247.098942][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 247.099084][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 247.099223][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 247.099381][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 247.099535][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 247.099680][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 247.099860][ T43] RIP: 0033:0x7f0c526b07b7 [ 247.100013][ T43] RSP: 002b:00007ffc26070608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.100227][ T43] RAX: ffffffffffffffda RBX: 00007ffc26070d30 RCX: 00007f0c526b07b7 [ 247.100445][ T43] RDX: 0000000000000000 RSI: 00007ffc26070670 RDI: 0000000000000005 [ 247.100654][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.100861][ T43] R10: 00007f0c52569708 R11: 0000000000000246 R12: 00007ffc26070d48 [ 247.101067][ T43] R13: 000000006729dce4 R14: 0000000000496600 R15: 00007ffc26070758 | [ 247.100654][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 | [ 247.100861][ T43] R10: 00007f0c52569708 R11: 0000000000000246 R12: 00007ffc26070d48 | [ 247.101067][ T43] R13: 000000006729dce4 R14: 0000000000496600 R15: 00007ffc26070758 | [ 247.101278][ T43] </TASK> | [ 247.101390][ T43] INFO: lockdep is turned off. [ 369.970562][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.971248][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.971420][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.971690][ T43] task:kworker/u16:0 state:D stack:29080 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.971991][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.972183][ T43] Call Trace: [ 369.972293][ T43] <TASK> [ 369.972384][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.972547][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.972716][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.973020][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.973166][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.973292][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.973395][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.973517][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.973647][ 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) [ 369.973781][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.973900][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.974149][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.974276][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.974427][ T43] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.974547][ T43] addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.974687][ T43] process_one_work (kernel/workqueue.c:3229) [ 369.974814][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.974940][ T43] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 369.975062][ T43] ? assign_work (kernel/workqueue.c:1200) [ 369.975187][ T43] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 369.975313][ T43] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.975451][ T43] kthread (kernel/kthread.c:389) [ 369.975547][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.975677][ T43] ret_from_fork (arch/x86/kernel/process.c:147) [ 369.975799][ T43] ? __pfx_kthread (kernel/kthread.c:342) [ 369.975916][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.975547][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.975677][ T43] ret_from_fork (arch/x86/kernel/process.c:147) | [ 369.975799][ T43] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.975916][ T43] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.976040][ T43] </TASK> [ 369.976153][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.976292][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.976410][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.976602][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:240 flags:0x00004002 [ 369.976833][ T43] Call Trace: [ 369.976920][ T43] <TASK> [ 369.976984][ T43] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.977102][ T43] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.977222][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.977352][ T43] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.977474][ T43] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.977565][ T43] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.977682][ T43] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.977800][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.977918][ T43] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.978041][ T43] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.978163][ T43] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.978282][ T43] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.978409][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.978530][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.978650][ T43] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.978769][ T43] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 369.978885][ T43] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.979005][ T43] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 369.979121][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.979241][ 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) [ 369.979372][ T43] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 369.979463][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.979583][ T43] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 369.979704][ T43] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.979819][ T43] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 369.979940][ T43] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 369.980060][ 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) [ 369.980181][ T43] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 369.980300][ T43] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 369.980423][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.980549][ T43] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 369.980669][ T43] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 369.980788][ T43] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 369.980909][ T43] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 369.981023][ T43] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 369.981178][ 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) [ 369.981298][ T43] ? validate_chain (./include/linux/hash.h:78 kernel/locking/lockdep.c:3794 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 369.981421][ T43] ___sys_sendmsg (net/socket.c:2665) [ 369.981540][ T43] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 369.981657][ T43] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 369.981776][ T43] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.981896][ T43] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.982014][ T43] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.982132][ T43] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 369.982255][ 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) [ 369.982352][ T43] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 369.982470][ T43] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 369.982592][ T43] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 369.982708][ T43] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 369.982835][ T43] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 369.982959][ T43] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 369.983110][ T43] RIP: 0033:0x7f0c526b07b7 [ 369.983237][ T43] RSP: 002b:00007ffc26070608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.983425][ T43] RAX: ffffffffffffffda RBX: 00007ffc26070d30 RCX: 00007f0c526b07b7 [ 369.983599][ T43] RDX: 0000000000000000 RSI: 00007ffc26070670 RDI: 0000000000000005 [ 369.983777][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.983949][ T43] R10: 00007f0c52569708 R11: 0000000000000246 R12: 00007ffc26070d48 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