[ 27.128969][ T254] [ 27.129075][ T254] ===================================== [ 27.129227][ T254] WARNING: bad unlock balance detected! [ 27.129366][ T254] 6.12.0-rc5-virtme #1 Not tainted [ 27.129512][ T254] ------------------------------------- [ 27.129657][ T254] ip/254 is trying to release lock (rtnl_mutex) at: [ 27.129841][ T254] [] __rtnl_unlock+0x69/0xf0 [ 27.130020][ T254] but there are no more locks to release! [ 27.130160][ T254] [ 27.130160][ T254] other info that might help us debug this: [ 27.130367][ T254] no locks held by ip/254. [ 27.130509][ T254] [ 27.130509][ T254] stack backtrace: [ 27.130683][ T254] CPU: 1 UID: 0 PID: 254 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.130905][ T254] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.131234][ T254] Call Trace: [ 27.131344][ T254] [ 27.131419][ T254] dump_stack_lvl+0x82/0xd0 [ 27.131563][ T254] ? __rtnl_unlock+0x69/0xf0 [ 27.131706][ T254] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.131851][ T254] __lock_release+0x2f7/0x460 [ 27.132011][ T254] ? __pfx___lock_release+0x10/0x10 [ 27.132160][ T254] ? __rtnl_unlock+0x69/0xf0 [ 27.132303][ T254] lock_release+0xd7/0x140 [ 27.132442][ T254] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.132587][ T254] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.132733][ T254] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.132907][ T254] ? rtnl_link_ops_get+0x187/0x220 [ 27.133061][ T254] __rtnl_unlock+0x69/0xf0 [ 27.133201][ T254] rtnl_newlink+0x7fd/0xa30 [ 27.133345][ T254] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.133502][ T254] ? find_held_lock+0x2c/0x110 [ 27.133647][ T254] ? __lock_release+0x103/0x460 [ 27.133786][ T254] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.133930][ T254] ? __pfx___lock_release+0x10/0x10 [ 27.134072][ T254] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.134214][ T254] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.134356][ T254] rtnetlink_rcv_msg+0x712/0xc10 [ 27.134500][ T254] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.134642][ T254] ? hlock_class+0x4e/0x130 [ 27.134785][ T254] ? mark_lock+0x38/0x3e0 [ 27.134898][ T254] ? __lock_acquire+0xb3f/0x1580 [ 27.135037][ T254] netlink_rcv_skb+0x130/0x360 [ 27.135185][ T254] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.135331][ T254] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.135478][ T254] ? netlink_deliver_tap+0x13e/0x340 [ 27.135620][ T254] ? netlink_deliver_tap+0xc3/0x340 [ 27.135765][ T254] netlink_unicast+0x44b/0x710 [ 27.135912][ T254] ? __pfx_netlink_unicast+0x10/0x10 [ 27.136050][ T254] ? find_held_lock+0x2c/0x110 [ 27.136194][ T254] netlink_sendmsg+0x723/0xbe0 [ 27.136337][ T254] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.136484][ T254] ____sys_sendmsg+0x7ac/0xa10 [ 27.136624][ T254] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.136761][ T254] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.136937][ T254] ? hlock_class+0x4e/0x130 [ 27.137080][ T254] ? validate_chain+0x130/0x9b0 [ 27.137221][ T254] ___sys_sendmsg+0xee/0x170 [ 27.137364][ T254] ? __pfx_validate_chain+0x10/0x10 [ 27.137503][ T254] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.137644][ T254] ? __lock_acquire+0xb3f/0x1580 [ 27.137788][ T254] ? find_held_lock+0x2c/0x110 [ 27.137929][ T254] ? __lock_release+0x103/0x460 [ 27.138068][ T254] ? __might_fault+0x11b/0x170 [ 27.138216][ T254] ? fdget+0x52/0x1e0 [ 27.138326][ T254] ? lock_acquire+0x32/0xc0 [ 27.138474][ T254] __sys_sendmsg+0xcd/0x170 [ 27.138612][ T254] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.138754][ T254] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.138900][ T254] do_syscall_64+0xc1/0x1d0 [ 27.139053][ T254] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.139234][ T254] RIP: 0033:0x7f8f73fba7b7 [ 27.139387][ T254] 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 [ 27.139879][ T254] RSP: 002b:00007ffc64332b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.140099][ T254] RAX: ffffffffffffffda RBX: 00007ffc643332b0 RCX: 00007f8f73fba7b7 [ 27.140309][ T254] RDX: 0000000000000000 RSI: 00007ffc64332bf0 RDI: 0000000000000005 [ 27.140522][ T254] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.140732][ T254] R10: 00007f8f73e73708 R11: 0000000000000246 R12: 00007ffc643332c8 [ 27.140939][ T254] R13: 00000000672a0744 R14: 0000000000496600 R15: 00007ffc64332cd8 [ 27.141157][ T254] [ 247.091684][ T43] INFO: task ip:254 blocked for more than 122 seconds. [ 247.092200][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.092337][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.092599][ T43] task:ip state:D stack:25792 pid:254 tgid:254 ppid:240 flags:0x00004002 [ 247.092886][ T43] Call Trace: [ 247.092997][ T43] [ 247.093075][ T43] __schedule+0xa19/0x1dc0 [ 247.093226][ T43] ? __pfx___schedule+0x10/0x10 [ 247.093372][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.093528][ T43] ? trace_lock_release+0x10e/0x180 [ 247.093665][ T43] schedule+0xdf/0x210 [ 247.093774][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.093912][ T43] __mutex_lock+0x634/0xac0 [ 247.094052][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.094190][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.094328][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.094476][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.094613][ T43] rtnl_newlink+0x64b/0xa30 [ 247.094754][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.094896][ T43] ? find_held_lock+0x2c/0x110 [ 247.095029][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.095169][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.095299][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.095427][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.095567][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.095703][ T43] ? hlock_class+0x4e/0x130 [ 247.095834][ T43] ? mark_lock+0x38/0x3e0 [ 247.095936][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.096068][ T43] netlink_rcv_skb+0x130/0x360 [ 247.096204][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.096341][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.096495][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.096639][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.096770][ T43] netlink_unicast+0x44b/0x710 [ 247.096909][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.097045][ T43] ? find_held_lock+0x2c/0x110 [ 247.097182][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.097323][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.097469][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.097606][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.097737][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.097908][ T43] ? hlock_class+0x4e/0x130 [ 247.098042][ T43] ? validate_chain+0x130/0x9b0 [ 247.098187][ T43] ___sys_sendmsg+0xee/0x170 [ 247.098323][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.098497][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.098641][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.098779][ T43] ? find_held_lock+0x2c/0x110 [ 247.098918][ T43] ? __lock_release+0x103/0x460 [ 247.099055][ T43] ? __might_fault+0x11b/0x170 [ 247.099197][ T43] ? fdget+0x52/0x1e0 [ 247.099309][ T43] ? lock_acquire+0x32/0xc0 [ 247.099455][ T43] __sys_sendmsg+0xcd/0x170 [ 247.099593][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.099737][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.099875][ T43] do_syscall_64+0xc1/0x1d0 [ 247.100013][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.100178][ T43] RIP: 0033:0x7f8f73fba7b7 [ 247.100318][ T43] RSP: 002b:00007ffc64332b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.100535][ T43] RAX: ffffffffffffffda RBX: 00007ffc643332b0 RCX: 00007f8f73fba7b7 [ 247.100756][ T43] RDX: 0000000000000000 RSI: 00007ffc64332bf0 RDI: 0000000000000005 [ 247.100953][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.101151][ T43] R10: 00007f8f73e73708 R11: 0000000000000246 R12: 00007ffc643332c8 [ 247.101344][ T43] R13: 00000000672a0744 R14: 0000000000496600 R15: 00007ffc64332cd8 [ 247.101556][ T43] [ 247.101662][ T43] INFO: lockdep is turned off. [ 369.971645][ T43] INFO: task kworker/u16:1:75 blocked for more than 122 seconds. [ 369.972125][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.972245][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.972496][ T43] task:kworker/u16:1 state:D stack:30248 pid:75 tgid:75 ppid:2 flags:0x00004000 [ 369.972772][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.972942][ T43] Call Trace: [ 369.973039][ T43] [ 369.973107][ T43] __schedule+0xa19/0x1dc0 [ 369.973243][ T43] ? __pfx___schedule+0x10/0x10 [ 369.973371][ T43] ? __lock_release+0x103/0x460 [ 369.973510][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.973642][ T43] ? trace_lock_release+0x10e/0x180 [ 369.973772][ T43] schedule+0xdf/0x210 [ 369.973875][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.974000][ T43] __mutex_lock+0x634/0xac0 [ 369.974128][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.974266][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.974391][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.974536][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974658][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974788][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.974909][ T43] addrconf_verify_work+0x12/0x30 [ 369.975029][ T43] process_one_work+0xe55/0x16d0 [ 369.975153][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.975272][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.975397][ T43] ? assign_work+0x16c/0x240 [ 369.975527][ T43] worker_thread+0x58c/0xce0 [ 369.975647][ T43] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 369.975801][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.975923][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.976043][ T43] kthread+0x28a/0x350 [ 369.976135][ T43] ? __pfx_kthread+0x10/0x10 [ 369.976256][ T43] ret_from_fork+0x31/0x70 [ 369.976380][ T43] ? __pfx_kthread+0x10/0x10 [ 369.976517][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.976642][ T43] [ 369.976739][ T43] INFO: task ip:254 blocked for more than 245 seconds. [ 369.976887][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.977001][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.977199][ T43] task:ip state:D stack:25792 pid:254 tgid:254 ppid:240 flags:0x00004002 [ 369.977470][ T43] Call Trace: [ 369.977561][ T43] [ 369.977626][ T43] __schedule+0xa19/0x1dc0 [ 369.977753][ T43] ? __pfx___schedule+0x10/0x10 [ 369.977886][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.978015][ T43] ? trace_lock_release+0x10e/0x180 [ 369.978141][ T43] schedule+0xdf/0x210 [ 369.978236][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.978362][ T43] __mutex_lock+0x634/0xac0 [ 369.978498][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.978626][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.978754][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.978886][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.979011][ T43] rtnl_newlink+0x64b/0xa30 [ 369.979139][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.979262][ T43] ? find_held_lock+0x2c/0x110 [ 369.979386][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.979516][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.979641][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.979764][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.979887][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.980015][ T43] ? hlock_class+0x4e/0x130 [ 369.980141][ T43] ? mark_lock+0x38/0x3e0 [ 369.980235][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.980358][ T43] netlink_rcv_skb+0x130/0x360 [ 369.980498][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.980623][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.980753][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.980876][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.981006][ T43] netlink_unicast+0x44b/0x710 [ 369.981130][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.981259][ T43] ? find_held_lock+0x2c/0x110 [ 369.981392][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.981524][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.981652][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.981784][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.981906][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.982064][ T43] ? hlock_class+0x4e/0x130 [ 369.982188][ T43] ? validate_chain+0x130/0x9b0 [ 369.982317][ T43] ___sys_sendmsg+0xee/0x170 [ 369.982448][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.982575][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.982698][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.982827][ T43] ? find_held_lock+0x2c/0x110 [ 369.982952][ T43] ? __lock_release+0x103/0x460 [ 369.983079][ T43] ? __might_fault+0x11b/0x170 [ 369.983204][ T43] ? fdget+0x52/0x1e0 [ 369.983299][ T43] ? lock_acquire+0x32/0xc0 [ 369.983425][ T43] __sys_sendmsg+0xcd/0x170 [ 369.983555][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.983675][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.983804][ T43] do_syscall_64+0xc1/0x1d0 [ 369.983932][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.984096][ T43] RIP: 0033:0x7f8f73fba7b7 [ 369.984225][ T43] RSP: 002b:00007ffc64332b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.984412][ T43] RAX: ffffffffffffffda RBX: 00007ffc643332b0 RCX: 00007f8f73fba7b7 [ 369.984611][ T43] RDX: 0000000000000000 RSI: 00007ffc64332bf0 RDI: 0000000000000005 [ 369.984794][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.984981][ T43] R10: 00007f8f73e73708 R11: 0000000000000246 R12: 00007ffc643332c8 [ 369.985165][ T43] R13: 00000000672a0744 R14: 0000000000496600 R15: 00007ffc64332cd8 [ 369.985354][ T43] [ 369.985452][ T43] INFO: lockdep is turned off. HARD STOP (351.82071) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr