====================================== | [ 32.305354][ T266] other info that might help us debug this: | [ 32.305541][ T266] no locks held by ip/266. | [ 32.305672][ T266] | [ 32.305672][ T266] stack backtrace: [ 32.306029][ T266] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.306321][ T266] Call Trace: [ 32.306431][ T266] [ 32.306500][ T266] dump_stack_lvl (lib/dump_stack.c:123) [ 32.306634][ T266] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 32.306794][ T266] print_unlock_imbalance_bug (kernel/locking/lockdep.c:5266) [ 32.306927][ T266] __lock_release (kernel/locking/lockdep.c:5502) [ 32.307056][ T266] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 32.307185][ T266] ? __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 32.307317][ T266] lock_release (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5848) [ 32.307445][ T266] __mutex_unlock_slowpath (./include/linux/instrumented.h:68 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:921) [ 32.307578][ T266] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 32.307706][ T266] ? __pfx___mutex_unlock_slowpath (kernel/locking/mutex.c:907) [ 32.307868][ T266] ? rtnl_link_ops_get (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:558) [ 32.307996][ T266] __rtnl_unlock (net/core/rtnetlink.c:140 (discriminator 3)) [ 32.308124][ T266] rtnl_newlink (net/core/rtnetlink.c:3961) [ 32.308253][ T266] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 32.308394][ T266] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 32.308526][ T266] ? __lock_release (kernel/locking/lockdep.c:5501) [ 32.308658][ T266] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 32.308785][ T266] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 32.308915][ T266] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 32.309044][ T266] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 32.309172][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 32.309302][ T266] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 32.309429][ T266] ? 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) [ 32.309558][ T266] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 32.309659][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 32.309789][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 32.309920][ T266] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 32.310049][ T266] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 32.310183][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 32.310312][ T266] ? 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) [ 32.310440][ T266] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 32.310570][ T266] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 32.310780][ T266] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 32.310908][ T266] ? __lock_release (kernel/locking/lockdep.c:5501) [ 32.311039][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 32.311169][ T266] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 32.311298][ T266] ? _copy_from_user (./arch/x86/include/asm/smap.h:33 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) [ 32.311429][ T266] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 32.311559][ T266] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 32.311685][ T266] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 32.311918][ T266] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 32.312044][ T266] ? 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) [ 32.312174][ T266] ___sys_sendmsg (net/socket.c:2665) [ 32.312305][ T266] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 32.312443][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 32.312641][ T266] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 32.312778][ T266] ? __lock_release (kernel/locking/lockdep.c:5501) [ 32.312906][ T266] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 32.313035][ T266] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 32.313235][ T266] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 32.313363][ T266] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 32.313492][ T266] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 32.313621][ T266] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 32.313793][ T266] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 32.313923][ T266] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 32.314056][ T266] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 32.314186][ T266] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316) [ 32.314355][ T266] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 32.314489][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 32.314652][ T266] RIP: 0033:0x7ff5080c47b7 [ 32.314789][ T266] 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) [ 32.315392][ T266] RSP: 002b:00007ffc2d7b7c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 32.315592][ T266] RAX: ffffffffffffffda RBX: 00007ffc2d7b8390 RCX: 00007ff5080c47b7 [ 32.315858][ T266] RDX: 0000000000000000 RSI: 00007ffc2d7b7cd0 RDI: 0000000000000005 [ 32.316050][ T266] RBP: 0000000000000005 R08: 000000000000006c R09: 00007ffc2d7b6a40 [ 32.316242][ T266] R10: 00007ff507f7d708 R11: 0000000000000246 R12: 00007ffc2d7b83b8 [ 32.316459][ T266] R13: 00000000672a071d R14: 0000000000496600 R15: 00007ffc2d7b7dc0 | [ 32.315858][ T266] RDX: 0000000000000000 RSI: 00007ffc2d7b7cd0 RDI: 0000000000000005 | [ 32.316050][ T266] RBP: 0000000000000005 R08: 000000000000006c R09: 00007ffc2d7b6a40 | [ 32.316242][ T266] R10: 00007ff507f7d708 R11: 0000000000000246 R12: 00007ffc2d7b83b8 | [ 32.316459][ T266] R13: 00000000672a071d R14: 0000000000496600 R15: 00007ffc2d7b7dc0 | [ 32.316654][ T266] [ 247.071972][ T44] INFO: task ip:266 blocked for more than 122 seconds. [ 247.072603][ T44] Not tainted 6.12.0-rc5-virtme #1 [ 247.072838][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.073041][ T44] task:ip state:D stack:25520 pid:266 tgid:266 ppid:245 flags:0x00004002 [ 247.073287][ T44] Call Trace: [ 247.073381][ T44] [ 247.073452][ T44] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 247.073584][ T44] ? __pfx___schedule (kernel/sched/core.c:6546) [ 247.073722][ T44] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.073848][ T44] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 247.073969][ T44] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 247.074071][ T44] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 247.074187][ T44] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 247.074329][ T44] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.074446][ T44] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 247.074564][ T44] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.074681][ T44] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.074799][ T44] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 247.074917][ T44] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.075052][ T44] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.075191][ T44] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 247.075319][ T44] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 247.075450][ T44] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 247.075586][ T44] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 247.075714][ T44] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.075835][ T44] ? 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) [ 247.075954][ T44] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 247.076050][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.076169][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 247.076309][ T44] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 247.076452][ T44] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 247.076578][ T44] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 247.076721][ T44] ? 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) [ 247.076872][ T44] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 247.076990][ T44] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 247.077107][ T44] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.077226][ T44] ? __lock_release (kernel/locking/lockdep.c:5501) [ 247.077343][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 247.077475][ T44] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 247.077588][ T44] ? _copy_from_user (./arch/x86/include/asm/smap.h:33 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) [ 247.077710][ T44] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 247.077824][ T44] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 247.077936][ T44] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 247.078077][ T44] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 247.078191][ T44] ? 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) [ 247.078304][ T44] ___sys_sendmsg (net/socket.c:2665) [ 247.078421][ T44] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 247.078535][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 247.078651][ T44] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 247.078770][ T44] ? __lock_release (kernel/locking/lockdep.c:5501) [ 247.078881][ T44] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 247.078997][ T44] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 247.079109][ T44] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 247.079221][ T44] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 247.079337][ T44] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 247.079449][ T44] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 247.079540][ T44] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 247.079655][ T44] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 247.079772][ T44] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 247.079888][ T44] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316) [ 247.080033][ T44] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 247.080148][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 247.080293][ T44] RIP: 0033:0x7ff5080c47b7 [ 247.080411][ T44] RSP: 002b:00007ffc2d7b7c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.080583][ T44] RAX: ffffffffffffffda RBX: 00007ffc2d7b8390 RCX: 00007ff5080c47b7 [ 247.080762][ T44] RDX: 0000000000000000 RSI: 00007ffc2d7b7cd0 RDI: 0000000000000005 [ 247.080960][ T44] RBP: 0000000000000005 R08: 000000000000006c R09: 00007ffc2d7b6a40 [ 247.081143][ T44] R10: 00007ff507f7d708 R11: 0000000000000246 R12: 00007ffc2d7b83b8 [ 247.081318][ T44] R13: 00000000672a071d R14: 0000000000496600 R15: 00007ffc2d7b7dc0 | [ 247.080960][ T44] RBP: 0000000000000005 R08: 000000000000006c R09: 00007ffc2d7b6a40 | [ 247.081143][ T44] R10: 00007ff507f7d708 R11: 0000000000000246 R12: 00007ffc2d7b83b8 | [ 247.081318][ T44] R13: 00000000672a071d R14: 0000000000496600 R15: 00007ffc2d7b7dc0 | [ 247.081498][ T44] | [ 247.081589][ T44] INFO: lockdep is turned off. [ 369.951907][ T44] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.952616][ T44] Not tainted 6.12.0-rc5-virtme #1 [ 369.952753][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.952982][ T44] task:kworker/u16:0 state:D stack:29664 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.953219][ T44] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.953372][ T44] Call Trace: [ 369.953476][ T44] [ 369.953540][ T44] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.953661][ T44] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.953786][ T44] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.953918][ T44] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.954055][ T44] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.954172][ T44] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.954260][ T44] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.954378][ T44] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.954493][ T44] ? 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) [ 369.954609][ T44] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.954741][ T44] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.954863][ T44] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.954979][ T44] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.955114][ T44] ? addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.955233][ T44] addrconf_verify_work (net/ipv6/addrconf.c:4733) [ 369.955351][ T44] process_one_work (kernel/workqueue.c:3229) [ 369.955477][ T44] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.955594][ T44] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 369.955721][ T44] ? assign_work (kernel/workqueue.c:1200) [ 369.955845][ T44] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 369.955967][ T44] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 369.956083][ T44] kthread (kernel/kthread.c:389) [ 369.956184][ T44] ? __pfx_kthread (kernel/kthread.c:342) [ 369.956309][ T44] ret_from_fork (arch/x86/kernel/process.c:147) [ 369.956419][ T44] ? __pfx_kthread (kernel/kthread.c:342) [ 369.956528][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.956184][ T44] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.956309][ T44] ret_from_fork (arch/x86/kernel/process.c:147) | [ 369.956419][ T44] ? __pfx_kthread (kernel/kthread.c:342) | [ 369.956528][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) | [ 369.956641][ T44] [ 369.956753][ T44] INFO: task ip:266 blocked for more than 245 seconds. [ 369.956921][ T44] Not tainted 6.12.0-rc5-virtme #1 [ 369.957030][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.957213][ T44] task:ip state:D stack:25520 pid:266 tgid:266 ppid:245 flags:0x00004002 [ 369.957449][ T44] Call Trace: [ 369.957532][ T44] [ 369.957590][ T44] __schedule (kernel/sched/core.c:5328 kernel/sched/core.c:6690) [ 369.957713][ T44] ? __pfx___schedule (kernel/sched/core.c:6546) [ 369.957828][ T44] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.957941][ T44] ? trace_lock_release (./include/trace/events/lock.h:69 (discriminator 52)) [ 369.958051][ T44] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6768 kernel/sched/core.c:6782) [ 369.958135][ T44] schedule_preempt_disabled (./arch/x86/include/asm/preempt.h:79 kernel/sched/core.c:6840) [ 369.958243][ T44] __mutex_lock (kernel/locking/mutex.c:197 kernel/locking/mutex.c:686 kernel/locking/mutex.c:752) [ 369.958353][ T44] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.958465][ T44] ? __pfx___mutex_lock (kernel/locking/mutex.c:751) [ 369.958576][ T44] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.958698][ T44] ? rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.958808][ T44] rtnl_newlink (net/core/rtnetlink.c:321 net/core/rtnetlink.c:4025) [ 369.958920][ T44] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.959029][ T44] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.959139][ T44] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.959250][ T44] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6926) [ 369.959360][ T44] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3919) [ 369.959469][ T44] rtnetlink_rcv_msg (net/core/rtnetlink.c:6928) [ 369.959583][ T44] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.959700][ T44] ? 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) [ 369.959835][ T44] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 369.959926][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.960041][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2536) [ 369.960158][ T44] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6831) [ 369.960273][ T44] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2513) [ 369.960401][ T44] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 369.960513][ T44] ? 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) [ 369.960622][ T44] netlink_unicast (net/netlink/af_netlink.c:1316 net/netlink/af_netlink.c:1342) [ 369.960745][ T44] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1327) [ 369.960886][ T44] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.961001][ T44] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.961117][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1886) [ 369.961233][ T44] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1805) [ 369.961348][ T44] ? _copy_from_user (./arch/x86/include/asm/smap.h:33 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) [ 369.961468][ T44] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2609) [ 369.961588][ T44] ? __pfx_____sys_sendmsg (net/socket.c:2555) [ 369.961708][ T44] ? __pfx_copy_msghdr_from_user (net/socket.c:2535) [ 369.961852][ T44] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 369.961967][ T44] ? 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) [ 369.962090][ T44] ___sys_sendmsg (net/socket.c:2665) [ 369.962200][ T44] ? __pfx____sys_sendmsg (net/socket.c:2652) [ 369.962308][ T44] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 369.962422][ T44] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 369.962534][ T44] ? __lock_release (kernel/locking/lockdep.c:5501) [ 369.962641][ T44] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 369.962758][ T44] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 369.962869][ T44] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 369.962977][ T44] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) [ 369.963085][ T44] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 369.963198][ T44] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 369.963299][ T44] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2694) [ 369.963412][ T44] ? __pfx___sys_sendmsg (net/socket.c:2680) [ 369.963522][ T44] ? rseq_update_cpu_node_id (kernel/rseq.c:109 (discriminator 10)) [ 369.963635][ T44] ? __pfx___rseq_handle_notify_resume (kernel/rseq.c:316) [ 369.963780][ T44] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 369.963916][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 369.964066][ T44] RIP: 0033:0x7ff5080c47b7 [ 369.964187][ T44] RSP: 002b:00007ffc2d7b7c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.964364][ T44] RAX: ffffffffffffffda RBX: 00007ffc2d7b8390 RCX: 00007ff5080c47b7 [ 369.964535][ T44] RDX: 0000000000000000 RSI: 00007ffc2d7b7cd0 RDI: 0000000000000005 [ 369.964721][ T44] RBP: 0000000000000005 R08: 000000000000006c R09: 00007ffc2d7b6a40 [ 369.964913][ T44] R10: 00007ff507f7d708 R11: 0000000000000246 R12: 00007ffc2d7b83b8 Finger prints: __schedule:schedule:schedule_preempt_disabled:__mutex_lock:rtnl_newlink print_unlock_imbalance_bug:__lock_release:lock_release:__mutex_unlock_slowpath:__rtnl_unlock ret_from_fork:ret_from_fork_asm:__schedule:schedule:schedule_preempt_disabled __schedule:schedule:schedule_preempt_disabled:__mutex_lock:addrconf_verify_work