[ 27.200118][ T257] [ 27.200221][ T257] ===================================== [ 27.200362][ T257] WARNING: bad unlock balance detected! [ 27.200499][ T257] 6.12.0-rc5-virtme #1 Not tainted [ 27.200639][ T257] ------------------------------------- [ 27.200776][ T257] ip/257 is trying to release lock (rtnl_mutex) at: [ 27.200949][ T257] [] __rtnl_unlock+0x69/0xf0 [ 27.201130][ T257] but there are no more locks to release! [ 27.201268][ T257] [ 27.201268][ T257] other info that might help us debug this: [ 27.201472][ T257] no locks held by ip/257. [ 27.201610][ T257] [ 27.201610][ T257] stack backtrace: [ 27.201781][ T257] CPU: 3 UID: 0 PID: 257 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.201993][ T257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.202303][ T257] Call Trace: [ 27.202415][ T257] [ 27.202488][ T257] dump_stack_lvl+0x82/0xd0 [ 27.202634][ T257] ? __rtnl_unlock+0x69/0xf0 [ 27.202778][ T257] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.202919][ T257] __lock_release+0x2f7/0x460 [ 27.203061][ T257] ? __pfx___lock_release+0x10/0x10 [ 27.203210][ T257] ? __rtnl_unlock+0x69/0xf0 [ 27.203352][ T257] lock_release+0xd7/0x140 [ 27.203493][ T257] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.203636][ T257] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.203832][ T257] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.204100][ T257] ? rtnl_link_ops_get+0x187/0x220 [ 27.204318][ T257] __rtnl_unlock+0x69/0xf0 [ 27.204536][ T257] rtnl_newlink+0x7fd/0xa30 [ 27.204755][ T257] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.204964][ T257] ? find_held_lock+0x2c/0x110 [ 27.205177][ T257] ? __lock_release+0x103/0x460 [ 27.205388][ T257] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.205601][ T257] ? __pfx___lock_release+0x10/0x10 [ 27.205820][ T257] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.206029][ T257] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.206240][ T257] rtnetlink_rcv_msg+0x712/0xc10 [ 27.206456][ T257] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.206668][ T257] ? hlock_class+0x4e/0x130 [ 27.206880][ T257] ? mark_lock+0x38/0x3e0 [ 27.207044][ T257] ? __lock_acquire+0xb3f/0x1580 [ 27.207258][ T257] netlink_rcv_skb+0x130/0x360 [ 27.207474][ T257] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.207690][ T257] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.207911][ T257] ? netlink_deliver_tap+0x13e/0x340 [ 27.208146][ T257] ? netlink_deliver_tap+0xc3/0x340 [ 27.208297][ T257] netlink_unicast+0x44b/0x710 [ 27.208428][ T257] ? __pfx_netlink_unicast+0x10/0x10 [ 27.208556][ T257] ? find_held_lock+0x2c/0x110 [ 27.208691][ T257] netlink_sendmsg+0x723/0xbe0 [ 27.208823][ T257] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.208954][ T257] ____sys_sendmsg+0x7ac/0xa10 [ 27.209088][ T257] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.209214][ T257] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.209376][ T257] ? hlock_class+0x4e/0x130 [ 27.209505][ T257] ? validate_chain+0x130/0x9b0 [ 27.209638][ T257] ___sys_sendmsg+0xee/0x170 [ 27.209766][ T257] ? __pfx_validate_chain+0x10/0x10 [ 27.209893][ T257] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.210022][ T257] ? __lock_acquire+0xb3f/0x1580 [ 27.210156][ T257] ? find_held_lock+0x2c/0x110 [ 27.210290][ T257] ? __lock_release+0x103/0x460 [ 27.210417][ T257] ? __might_fault+0x11b/0x170 [ 27.210548][ T257] ? fdget+0x52/0x1e0 [ 27.210653][ T257] ? lock_acquire+0x32/0xc0 [ 27.210794][ T257] __sys_sendmsg+0xcd/0x170 [ 27.210935][ T257] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.211075][ T257] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.211224][ T257] do_syscall_64+0xc1/0x1d0 [ 27.211367][ T257] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.211540][ T257] RIP: 0033:0x7f7543b507b7 [ 27.211689][ T257] 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 [ 27.212177][ T257] RSP: 002b:00007ffde7c3f9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.212388][ T257] RAX: ffffffffffffffda RBX: 00007ffde7c40120 RCX: 00007f7543b507b7 [ 27.212578][ T257] RDX: 0000000000000000 RSI: 00007ffde7c3fa60 RDI: 0000000000000005 [ 27.212776][ T257] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.212967][ T257] R10: 00007f7543a09708 R11: 0000000000000246 R12: 00007ffde7c40138 [ 27.213158][ T257] R13: 00000000672a315e R14: 0000000000496600 R15: 00007ffde7c3fb48 [ 27.213354][ T257] [ 247.094533][ T43] INFO: task ip:257 blocked for more than 122 seconds. [ 247.095131][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.095249][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.095474][ T43] task:ip state:D stack:25792 pid:257 tgid:257 ppid:242 flags:0x00004002 [ 247.095744][ T43] Call Trace: [ 247.095851][ T43] [ 247.095924][ T43] __schedule+0xa19/0x1dc0 [ 247.096059][ T43] ? __pfx___schedule+0x10/0x10 [ 247.096194][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.096329][ T43] ? trace_lock_release+0x10e/0x180 [ 247.096449][ T43] schedule+0xdf/0x210 [ 247.096542][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.096661][ T43] __mutex_lock+0x634/0xac0 [ 247.096811][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.096935][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.097058][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.097182][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.097313][ T43] rtnl_newlink+0x64b/0xa30 [ 247.097445][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.097562][ T43] ? find_held_lock+0x2c/0x110 [ 247.097680][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.097800][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.097935][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.098048][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.098163][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.098279][ T43] ? hlock_class+0x4e/0x130 [ 247.098400][ T43] ? mark_lock+0x38/0x3e0 [ 247.098488][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.098605][ T43] netlink_rcv_skb+0x130/0x360 [ 247.098722][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.098838][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.098963][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.099076][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.099189][ T43] netlink_unicast+0x44b/0x710 [ 247.099324][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.099461][ T43] ? find_held_lock+0x2c/0x110 [ 247.099581][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.099701][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.099830][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.099951][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.100068][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.100214][ T43] ? hlock_class+0x4e/0x130 [ 247.100343][ T43] ? validate_chain+0x130/0x9b0 [ 247.100465][ T43] ___sys_sendmsg+0xee/0x170 [ 247.100585][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.100710][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.100830][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.100946][ T43] ? find_held_lock+0x2c/0x110 [ 247.101061][ T43] ? __lock_release+0x103/0x460 [ 247.101174][ T43] ? __might_fault+0x11b/0x170 [ 247.101290][ T43] ? fdget+0x52/0x1e0 [ 247.101386][ T43] ? lock_acquire+0x32/0xc0 [ 247.101500][ T43] __sys_sendmsg+0xcd/0x170 [ 247.101613][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.101727][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.101857][ T43] do_syscall_64+0xc1/0x1d0 [ 247.101972][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.102115][ T43] RIP: 0033:0x7f7543b507b7 [ 247.102233][ T43] RSP: 002b:00007ffde7c3f9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.102414][ T43] RAX: ffffffffffffffda RBX: 00007ffde7c40120 RCX: 00007f7543b507b7 [ 247.102583][ T43] RDX: 0000000000000000 RSI: 00007ffde7c3fa60 RDI: 0000000000000005 [ 247.102755][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.102924][ T43] R10: 00007f7543a09708 R11: 0000000000000246 R12: 00007ffde7c40138 [ 247.103091][ T43] R13: 00000000672a315e R14: 0000000000496600 R15: 00007ffde7c3fb48 [ 247.103262][ T43] [ 247.103364][ T43] INFO: lockdep is turned off. [ 369.974522][ T43] INFO: task kworker/u16:1:76 blocked for more than 122 seconds. [ 369.975270][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.975575][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.975778][ T43] task:kworker/u16:1 state:D stack:30248 pid:76 tgid:76 ppid:2 flags:0x00004000 [ 369.976044][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.976207][ T43] Call Trace: [ 369.976314][ T43] [ 369.976383][ T43] __schedule+0xa19/0x1dc0 [ 369.976519][ T43] ? __pfx___schedule+0x10/0x10 [ 369.976645][ T43] ? __lock_release+0x103/0x460 [ 369.976778][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976902][ T43] ? trace_lock_release+0x10e/0x180 [ 369.977025][ T43] schedule+0xdf/0x210 [ 369.977116][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.977235][ T43] __mutex_lock+0x634/0xac0 [ 369.977381][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.977659][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.977789][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.977914][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.978045][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.978169][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.978292][ T43] addrconf_verify_work+0x12/0x30 [ 369.978425][ T43] process_one_work+0xe55/0x16d0 [ 369.978552][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.978679][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.978807][ T43] ? assign_work+0x16c/0x240 [ 369.978940][ T43] worker_thread+0x58c/0xce0 [ 369.979061][ T43] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 369.979209][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.979346][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.979465][ T43] kthread+0x28a/0x350 [ 369.979557][ T43] ? __pfx_kthread+0x10/0x10 [ 369.979682][ T43] ret_from_fork+0x31/0x70 [ 369.979803][ T43] ? __pfx_kthread+0x10/0x10 [ 369.979924][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.980048][ T43] [ 369.980147][ T43] INFO: task ip:257 blocked for more than 245 seconds. [ 369.980286][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.980409][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.980606][ T43] task:ip state:D stack:25792 pid:257 tgid:257 ppid:242 flags:0x00004002 [ 369.980841][ T43] Call Trace: [ 369.980931][ T43] [ 369.980995][ T43] __schedule+0xa19/0x1dc0 [ 369.981116][ T43] ? __pfx___schedule+0x10/0x10 [ 369.981237][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.981366][ T43] ? trace_lock_release+0x10e/0x180 [ 369.981489][ T43] schedule+0xdf/0x210 [ 369.981585][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.981703][ T43] __mutex_lock+0x634/0xac0 [ 369.981822][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.981945][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.982066][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.982187][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.982313][ T43] rtnl_newlink+0x64b/0xa30 [ 369.982437][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.982555][ T43] ? find_held_lock+0x2c/0x110 [ 369.982685][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.982805][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.982924][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.983043][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.983160][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.983277][ T43] ? hlock_class+0x4e/0x130 [ 369.983408][ T43] ? mark_lock+0x38/0x3e0 [ 369.983502][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.983626][ T43] netlink_rcv_skb+0x130/0x360 [ 369.983750][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.983870][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.983994][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.984113][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.984231][ T43] netlink_unicast+0x44b/0x710 [ 369.984360][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.984479][ T43] ? find_held_lock+0x2c/0x110 [ 369.984604][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.984725][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.984846][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.984967][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.985086][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.985234][ T43] ? hlock_class+0x4e/0x130 [ 369.985361][ T43] ? validate_chain+0x130/0x9b0 [ 369.985480][ T43] ___sys_sendmsg+0xee/0x170 [ 369.985606][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.985724][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.985845][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.985968][ T43] ? find_held_lock+0x2c/0x110 [ 369.986103][ T43] ? __lock_release+0x103/0x460 [ 369.986220][ T43] ? __might_fault+0x11b/0x170 [ 369.986363][ T43] ? fdget+0x52/0x1e0 [ 369.986457][ T43] ? lock_acquire+0x32/0xc0 [ 369.986580][ T43] __sys_sendmsg+0xcd/0x170 [ 369.986709][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.986830][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.986960][ T43] do_syscall_64+0xc1/0x1d0 [ 369.987087][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.987242][ T43] RIP: 0033:0x7f7543b507b7 [ 369.987388][ T43] RSP: 002b:00007ffde7c3f9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.987604][ T43] RAX: ffffffffffffffda RBX: 00007ffde7c40120 RCX: 00007f7543b507b7 [ 369.987785][ T43] RDX: 0000000000000000 RSI: 00007ffde7c3fa60 RDI: 0000000000000005 [ 369.987960][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.988134][ T43] R10: 00007f7543a09708 R11: 0000000000000246 R12: 00007ffde7c40138 [ 369.988314][ T43] R13: 00000000672a315e R14: 0000000000496600 R15: 00007ffde7c3fb48 [ 369.988492][ T43] [ 369.988584][ T43] INFO: lockdep is turned off. HARD STOP (380.784235) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr