[ 26.977726][ T255] [ 26.977824][ T255] ===================================== [ 26.977957][ T255] WARNING: bad unlock balance detected! [ 26.978084][ T255] 6.12.0-rc5-virtme #1 Not tainted [ 26.978210][ T255] ------------------------------------- [ 26.978338][ T255] ip/255 is trying to release lock (rtnl_mutex) at: [ 26.978500][ T255] [] __rtnl_unlock+0x69/0xf0 [ 26.978664][ T255] but there are no more locks to release! [ 26.978790][ T255] [ 26.978790][ T255] other info that might help us debug this: [ 26.978973][ T255] no locks held by ip/255. [ 26.979101][ T255] [ 26.979101][ T255] stack backtrace: [ 26.979256][ T255] CPU: 3 UID: 0 PID: 255 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 26.979453][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.979737][ T255] Call Trace: [ 26.979840][ T255] [ 26.979916][ T255] dump_stack_lvl+0x82/0xd0 [ 26.980051][ T255] ? __rtnl_unlock+0x69/0xf0 [ 26.980187][ T255] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 26.980326][ T255] __lock_release+0x2f7/0x460 [ 26.980454][ T255] ? __pfx___lock_release+0x10/0x10 [ 26.980586][ T255] ? __rtnl_unlock+0x69/0xf0 [ 26.980712][ T255] lock_release+0xd7/0x140 [ 26.980842][ T255] __mutex_unlock_slowpath+0x8f/0x3b0 [ 26.980975][ T255] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 26.981103][ T255] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 26.981263][ T255] ? rtnl_link_ops_get+0x187/0x220 [ 26.981398][ T255] __rtnl_unlock+0x69/0xf0 [ 26.981524][ T255] rtnl_newlink+0x7fd/0xa30 [ 26.981653][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.981779][ T255] ? find_held_lock+0x2c/0x110 [ 26.981909][ T255] ? __lock_release+0x103/0x460 [ 26.982040][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.982165][ T255] ? __pfx___lock_release+0x10/0x10 [ 26.982295][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.982422][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.982549][ T255] rtnetlink_rcv_msg+0x712/0xc10 [ 26.982677][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.982803][ T255] ? hlock_class+0x4e/0x130 [ 26.982929][ T255] ? mark_lock+0x38/0x3e0 [ 26.983029][ T255] ? __lock_acquire+0xb3f/0x1580 [ 26.983159][ T255] netlink_rcv_skb+0x130/0x360 [ 26.983293][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.983422][ T255] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 26.983554][ T255] ? netlink_deliver_tap+0x13e/0x340 [ 26.983684][ T255] ? netlink_deliver_tap+0xc3/0x340 [ 26.983813][ T255] netlink_unicast+0x44b/0x710 [ 26.983947][ T255] ? __pfx_netlink_unicast+0x10/0x10 [ 26.984077][ T255] ? find_held_lock+0x2c/0x110 [ 26.984208][ T255] netlink_sendmsg+0x723/0xbe0 [ 26.984336][ T255] ? __pfx_netlink_sendmsg+0x10/0x10 [ 26.984479][ T255] ____sys_sendmsg+0x7ac/0xa10 [ 26.984610][ T255] ? __pfx_____sys_sendmsg+0x10/0x10 [ 26.984736][ T255] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 26.984893][ T255] ? hlock_class+0x4e/0x130 [ 26.985020][ T255] ? validate_chain+0x130/0x9b0 [ 26.985148][ T255] ___sys_sendmsg+0xee/0x170 [ 26.985275][ T255] ? __pfx_validate_chain+0x10/0x10 [ 26.985401][ T255] ? __pfx____sys_sendmsg+0x10/0x10 [ 26.985532][ T255] ? __lock_acquire+0xb3f/0x1580 [ 26.985662][ T255] ? find_held_lock+0x2c/0x110 [ 26.985792][ T255] ? __lock_release+0x103/0x460 [ 26.985919][ T255] ? __might_fault+0x11b/0x170 [ 26.986048][ T255] ? fdget+0x52/0x1e0 [ 26.986144][ T255] ? lock_acquire+0x32/0xc0 [ 26.986272][ T255] __sys_sendmsg+0xcd/0x170 [ 26.986399][ T255] ? __pfx___sys_sendmsg+0x10/0x10 [ 26.986525][ T255] ? rseq_update_cpu_node_id+0xe6/0x140 [ 26.986663][ T255] do_syscall_64+0xc1/0x1d0 [ 26.986794][ T255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.986954][ T255] RIP: 0033:0x7f122bda37b7 [ 26.987087][ 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 [ 26.987536][ T255] RSP: 002b:00007ffec8a39958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.987733][ T255] RAX: ffffffffffffffda RBX: 00007ffec8a3a080 RCX: 00007f122bda37b7 [ 26.987925][ T255] RDX: 0000000000000000 RSI: 00007ffec8a399c0 RDI: 0000000000000005 [ 26.988114][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 26.988302][ T255] R10: 00007f122bc5c708 R11: 0000000000000246 R12: 00007ffec8a3a098 [ 26.988493][ T255] R13: 000000006729dcf0 R14: 0000000000496600 R15: 00007ffec8a39aa8 [ 26.988689][ T255] [ 247.093702][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.094288][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.094404][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.094636][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 247.094912][ T43] Call Trace: [ 247.095023][ T43] [ 247.095095][ T43] __schedule+0xa19/0x1dc0 [ 247.095236][ T43] ? __pfx___schedule+0x10/0x10 [ 247.095361][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.095485][ T43] ? trace_lock_release+0x10e/0x180 [ 247.095616][ T43] schedule+0xdf/0x210 [ 247.095705][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.095845][ T43] __mutex_lock+0x634/0xac0 [ 247.095972][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.096102][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.096228][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.096352][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.096470][ T43] rtnl_newlink+0x64b/0xa30 [ 247.096595][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.096716][ T43] ? find_held_lock+0x2c/0x110 [ 247.096841][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.096975][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.097088][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.097209][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.097323][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.097467][ T43] ? hlock_class+0x4e/0x130 [ 247.097586][ T43] ? mark_lock+0x38/0x3e0 [ 247.097674][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.097790][ T43] netlink_rcv_skb+0x130/0x360 [ 247.097908][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.098021][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.098158][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.098277][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.098401][ T43] netlink_unicast+0x44b/0x710 [ 247.098524][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.098641][ T43] ? find_held_lock+0x2c/0x110 [ 247.098762][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.098878][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.099004][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.099123][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.099242][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.099391][ T43] ? hlock_class+0x4e/0x130 [ 247.099520][ T43] ? validate_chain+0x130/0x9b0 [ 247.099638][ T43] ___sys_sendmsg+0xee/0x170 [ 247.099760][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.099876][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.099993][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.100111][ T43] ? find_held_lock+0x2c/0x110 [ 247.100238][ T43] ? __lock_release+0x103/0x460 [ 247.100363][ T43] ? __might_fault+0x11b/0x170 [ 247.100481][ T43] ? fdget+0x52/0x1e0 [ 247.100578][ T43] ? lock_acquire+0x32/0xc0 [ 247.100692][ T43] __sys_sendmsg+0xcd/0x170 [ 247.100807][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.100922][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.101042][ T43] do_syscall_64+0xc1/0x1d0 [ 247.101162][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.101307][ T43] RIP: 0033:0x7f122bda37b7 [ 247.101434][ T43] RSP: 002b:00007ffec8a39958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.101616][ T43] RAX: ffffffffffffffda RBX: 00007ffec8a3a080 RCX: 00007f122bda37b7 [ 247.101790][ T43] RDX: 0000000000000000 RSI: 00007ffec8a399c0 RDI: 0000000000000005 [ 247.101960][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.102135][ T43] R10: 00007f122bc5c708 R11: 0000000000000246 R12: 00007ffec8a3a098 [ 247.102312][ T43] R13: 000000006729dcf0 R14: 0000000000496600 R15: 00007ffec8a39aa8 [ 247.102484][ T43] [ 247.102576][ T43] INFO: lockdep is turned off. [ 369.973714][ T43] INFO: task kworker/u16:1:75 blocked for more than 122 seconds. [ 369.974250][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.974365][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.974614][ T43] task:kworker/u16:1 state:D stack:30248 pid:75 tgid:75 ppid:2 flags:0x00004000 [ 369.974886][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.975052][ T43] Call Trace: [ 369.975147][ T43] [ 369.975214][ T43] __schedule+0xa19/0x1dc0 [ 369.975350][ T43] ? __pfx___schedule+0x10/0x10 [ 369.975467][ T43] ? __lock_release+0x103/0x460 [ 369.975599][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975724][ T43] ? trace_lock_release+0x10e/0x180 [ 369.975838][ T43] schedule+0xdf/0x210 [ 369.975925][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.976038][ T43] __mutex_lock+0x634/0xac0 [ 369.976158][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.976270][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.976384][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.976506][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976629][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976744][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.976854][ T43] addrconf_verify_work+0x12/0x30 [ 369.976970][ T43] process_one_work+0xe55/0x16d0 [ 369.977090][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.977204][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.977318][ T43] ? assign_work+0x16c/0x240 [ 369.977442][ T43] worker_thread+0x58c/0xce0 [ 369.977560][ T43] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 369.977705][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.977819][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.977932][ T43] kthread+0x28a/0x350 [ 369.978020][ T43] ? __pfx_kthread+0x10/0x10 [ 369.978137][ T43] ret_from_fork+0x31/0x70 [ 369.978282][ T43] ? __pfx_kthread+0x10/0x10 [ 369.978401][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.978543][ T43] [ 369.978643][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.978779][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.978886][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.979074][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 369.979303][ T43] Call Trace: [ 369.979394][ T43] [ 369.979454][ T43] __schedule+0xa19/0x1dc0 [ 369.979578][ T43] ? __pfx___schedule+0x10/0x10 [ 369.979697][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.979812][ T43] ? trace_lock_release+0x10e/0x180 [ 369.979947][ T43] schedule+0xdf/0x210 [ 369.980040][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.980158][ T43] __mutex_lock+0x634/0xac0 [ 369.980275][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.980398][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.980532][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.980652][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.980764][ T43] rtnl_newlink+0x64b/0xa30 [ 369.980877][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.980989][ T43] ? find_held_lock+0x2c/0x110 [ 369.981103][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.981221][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.981339][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.981449][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.981570][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.981685][ T43] ? hlock_class+0x4e/0x130 [ 369.981799][ T43] ? mark_lock+0x38/0x3e0 [ 369.981887][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.982003][ T43] netlink_rcv_skb+0x130/0x360 [ 369.982123][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.982237][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.982363][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.982476][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.982602][ T43] netlink_unicast+0x44b/0x710 [ 369.982726][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.982840][ T43] ? find_held_lock+0x2c/0x110 [ 369.982961][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.983080][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.983197][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.983324][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.983435][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.983582][ T43] ? hlock_class+0x4e/0x130 [ 369.983727][ T43] ? validate_chain+0x130/0x9b0 [ 369.983863][ T43] ___sys_sendmsg+0xee/0x170 [ 369.983979][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.984095][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.984213][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.984352][ T43] ? find_held_lock+0x2c/0x110 [ 369.984471][ T43] ? __lock_release+0x103/0x460 [ 369.984593][ T43] ? __might_fault+0x11b/0x170 [ 369.984730][ T43] ? fdget+0x52/0x1e0 [ 369.984825][ T43] ? lock_acquire+0x32/0xc0 [ 369.984948][ T43] __sys_sendmsg+0xcd/0x170 [ 369.985073][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.985200][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.985334][ T43] do_syscall_64+0xc1/0x1d0 [ 369.985471][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.985631][ T43] RIP: 0033:0x7f122bda37b7 [ 369.985754][ T43] RSP: 002b:00007ffec8a39958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.985933][ T43] RAX: ffffffffffffffda RBX: 00007ffec8a3a080 RCX: 00007f122bda37b7 [ 369.986105][ T43] RDX: 0000000000000000 RSI: 00007ffec8a399c0 RDI: 0000000000000005 [ 369.986285][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.986469][ T43] R10: 00007f122bc5c708 R11: 0000000000000246 R12: 00007ffec8a3a098 [ 369.986650][ T43] R13: 000000006729dcf0 R14: 0000000000496600 R15: 00007ffec8a39aa8 [ 369.986856][ T43] [ 369.986943][ T43] INFO: lockdep is turned off. HARD STOP (394.458197) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr