[ 25.520597][ T233] [ 25.520710][ T233] ===================================== [ 25.520866][ T233] WARNING: bad unlock balance detected! [ 25.521017][ T233] 6.12.0-rc5-virtme #1 Not tainted [ 25.521172][ T233] ------------------------------------- [ 25.521324][ T233] restore_ipv4/233 is trying to release lock (rtnl_mutex) at: [ 25.521544][ T233] [] __rtnl_unlock+0x69/0xf0 [ 25.521744][ T233] but there are no more locks to release! [ 25.521894][ T233] [ 25.521894][ T233] other info that might help us debug this: [ 25.522113][ T233] no locks held by restore_ipv4/233. [ 25.522260][ T233] [ 25.522260][ T233] stack backtrace: [ 25.522436][ T233] CPU: 0 UID: 0 PID: 233 Comm: restore_ipv4 Not tainted 6.12.0-rc5-virtme #1 [ 25.522712][ T233] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 25.523048][ T233] Call Trace: [ 25.523169][ T233] [ 25.523250][ T233] dump_stack_lvl+0x82/0xd0 [ 25.523408][ T233] ? __rtnl_unlock+0x69/0xf0 [ 25.523556][ T233] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 25.523712][ T233] __lock_release+0x2f7/0x460 [ 25.523865][ T233] ? __pfx___lock_release+0x10/0x10 [ 25.524020][ T233] ? __rtnl_unlock+0x69/0xf0 [ 25.524171][ T233] lock_release+0xd7/0x140 [ 25.524324][ T233] __mutex_unlock_slowpath+0x8f/0x3b0 [ 25.524479][ T233] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 25.524633][ T233] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 25.524822][ T233] ? rtnl_link_ops_get+0x187/0x220 [ 25.524974][ T233] __rtnl_unlock+0x69/0xf0 [ 25.525124][ T233] rtnl_newlink+0x7fd/0xa30 [ 25.525281][ T233] ? __pfx_rtnl_newlink+0x10/0x10 [ 25.525430][ T233] ? find_held_lock+0x2c/0x110 [ 25.525583][ T233] ? __lock_release+0x103/0x460 [ 25.525737][ T233] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 25.525891][ T233] ? __pfx___lock_release+0x10/0x10 [ 25.526047][ T233] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 25.526204][ T233] ? __pfx_rtnl_newlink+0x10/0x10 [ 25.526356][ T233] rtnetlink_rcv_msg+0x712/0xc10 [ 25.526510][ T233] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 25.526668][ T233] ? hlock_class+0x4e/0x130 [ 25.526825][ T233] ? mark_lock+0x38/0x3e0 [ 25.526940][ T233] ? __lock_acquire+0xb3f/0x1580 [ 25.527095][ T233] netlink_rcv_skb+0x130/0x360 [ 25.527250][ T233] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 25.527404][ T233] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 25.527558][ T233] ? netlink_deliver_tap+0x13e/0x340 [ 25.527706][ T233] ? netlink_deliver_tap+0xc3/0x340 [ 25.527871][ T233] netlink_unicast+0x44b/0x710 [ 25.528026][ T233] ? __pfx_netlink_unicast+0x10/0x10 [ 25.528184][ T233] ? netlink_autobind.isra.0+0xa5/0x270 [ 25.528337][ T233] ? netlink_autobind.isra.0+0x18a/0x270 [ 25.528490][ T233] netlink_sendmsg+0x723/0xbe0 [ 25.528641][ T233] ? __pfx_netlink_sendmsg+0x10/0x10 [ 25.528794][ T233] ? fdget+0x52/0x1e0 [ 25.528911][ T233] __sys_sendto+0x377/0x400 [ 25.529062][ T233] ? __pfx___sys_sendto+0x10/0x10 [ 25.529210][ T233] ? find_held_lock+0x2c/0x110 [ 25.529360][ T233] ? __might_fault+0xc3/0x170 [ 25.529506][ T233] ? lock_acquire+0x32/0xc0 [ 25.529651][ T233] ? trace_rseq_update+0xe2/0x140 [ 25.529800][ T233] ? rseq_update_cpu_node_id+0xe6/0x140 [ 25.529953][ T233] ? __rseq_handle_notify_resume+0x288/0x3e0 [ 25.530135][ T233] ? do_user_addr_fault+0x374/0xe30 [ 25.530282][ T233] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 25.530467][ T233] __x64_sys_sendto+0xe0/0x1c0 [ 25.530618][ T233] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 25.530801][ T233] do_syscall_64+0xc1/0x1d0 [ 25.530950][ T233] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 25.531134][ T233] RIP: 0033:0x7f75371bb700 [ 25.531287][ T233] Code: ff ff 64 89 02 eb bd 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20 [ 25.531815][ T233] RSP: 002b:00007ffd6165d568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 25.532035][ T233] RAX: ffffffffffffffda RBX: 00007ffd6165d5e8 RCX: 00007f75371bb700 [ 25.532251][ T233] RDX: 0000000000000078 RSI: 00007ffd6165d5b0 RDI: 0000000000000008 [ 25.532475][ T233] RBP: 00007ffd6165d5b0 R08: 0000000000000000 R09: 0000000000000000 [ 25.532691][ T233] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040edf8 [ 25.532912][ T233] R13: 0000000000000048 R14: 000000000000004c R15: 0000000000000008 [ 25.533132][ T233] [ 247.091496][ T43] INFO: task restore_ipv4:233 blocked for more than 122 seconds. [ 247.091934][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.092062][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.092252][ T43] task:restore_ipv4 state:D stack:25712 pid:233 tgid:233 ppid:232 flags:0x00004002 [ 247.092500][ T43] Call Trace: [ 247.092590][ T43] [ 247.092652][ T43] __schedule+0xa19/0x1dc0 [ 247.092777][ T43] ? __pfx___schedule+0x10/0x10 [ 247.092892][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.093009][ T43] ? trace_lock_release+0x10e/0x180 [ 247.093124][ T43] schedule+0xdf/0x210 [ 247.093209][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.093329][ T43] __mutex_lock+0x634/0xac0 [ 247.093447][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.093562][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.093682][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.093795][ T43] rtnl_newlink+0x64b/0xa30 [ 247.093909][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.094020][ T43] ? find_held_lock+0x2c/0x110 [ 247.094153][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.094302][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.094414][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.094535][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.094648][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.094758][ T43] ? hlock_class+0x4e/0x130 [ 247.094868][ T43] ? mark_lock+0x38/0x3e0 [ 247.094953][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.095063][ T43] netlink_rcv_skb+0x130/0x360 [ 247.095176][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.095302][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.095414][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.095524][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.095634][ T43] netlink_unicast+0x44b/0x710 [ 247.095743][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.095850][ T43] ? netlink_autobind.isra.0+0xa5/0x270 [ 247.095959][ T43] ? netlink_autobind.isra.0+0x18a/0x270 [ 247.096072][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.096180][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.096304][ T43] ? fdget+0x52/0x1e0 [ 247.096392][ T43] __sys_sendto+0x377/0x400 [ 247.096506][ T43] ? __pfx___sys_sendto+0x10/0x10 [ 247.096616][ T43] ? find_held_lock+0x2c/0x110 [ 247.096726][ T43] ? __might_fault+0xc3/0x170 [ 247.096836][ T43] ? lock_acquire+0x32/0xc0 [ 247.096942][ T43] ? trace_rseq_update+0xe2/0x140 [ 247.097059][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.097169][ T43] ? __rseq_handle_notify_resume+0x288/0x3e0 [ 247.097313][ T43] ? do_user_addr_fault+0x374/0xe30 [ 247.097439][ T43] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 247.097579][ T43] __x64_sys_sendto+0xe0/0x1c0 [ 247.097692][ T43] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 247.097830][ T43] do_syscall_64+0xc1/0x1d0 [ 247.097948][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.098093][ T43] RIP: 0033:0x7f75371bb700 [ 247.098213][ T43] RSP: 002b:00007ffd6165d568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 247.098391][ T43] RAX: ffffffffffffffda RBX: 00007ffd6165d5e8 RCX: 00007f75371bb700 [ 247.098561][ T43] RDX: 0000000000000078 RSI: 00007ffd6165d5b0 RDI: 0000000000000008 [ 247.098738][ T43] RBP: 00007ffd6165d5b0 R08: 0000000000000000 R09: 0000000000000000 [ 247.098903][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040edf8 [ 247.099068][ T43] R13: 0000000000000048 R14: 000000000000004c R15: 0000000000000008 [ 247.099235][ T43] [ 247.099326][ T43] INFO: lockdep is turned off. [ 369.971496][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.972085][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.972213][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.972431][ T43] task:kworker/u16:0 state:D stack:29560 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.972678][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.972837][ T43] Call Trace: [ 369.972927][ T43] [ 369.972993][ T43] __schedule+0xa19/0x1dc0 [ 369.973118][ T43] ? __pfx___schedule+0x10/0x10 [ 369.973245][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.973382][ T43] ? trace_lock_release+0x10e/0x180 [ 369.973500][ T43] schedule+0xdf/0x210 [ 369.973588][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.973704][ T43] __mutex_lock+0x634/0xac0 [ 369.973825][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.973944][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.974059][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.974179][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974301][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974419][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.974534][ T43] addrconf_verify_work+0x12/0x30 [ 369.974651][ T43] process_one_work+0xe55/0x16d0 [ 369.974772][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.974887][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.975007][ T43] ? assign_work+0x16c/0x240 [ 369.975126][ T43] worker_thread+0x58c/0xce0 [ 369.975245][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.975367][ T43] kthread+0x28a/0x350 [ 369.975455][ T43] ? __pfx_kthread+0x10/0x10 [ 369.975571][ T43] ret_from_fork+0x31/0x70 [ 369.975690][ T43] ? __pfx_kthread+0x10/0x10 [ 369.975805][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.975924][ T43] [ 369.976031][ T43] INFO: task restore_ipv4:233 blocked for more than 245 seconds. [ 369.976200][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.976325][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.976511][ T43] task:restore_ipv4 state:D stack:25712 pid:233 tgid:233 ppid:232 flags:0x00004006 [ 369.976740][ T43] Call Trace: [ 369.976849][ T43] [ 369.976910][ T43] __schedule+0xa19/0x1dc0 [ 369.977048][ T43] ? __pfx___schedule+0x10/0x10 [ 369.977166][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.977284][ T43] ? trace_lock_release+0x10e/0x180 [ 369.977413][ T43] schedule+0xdf/0x210 [ 369.977500][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.977614][ T43] __mutex_lock+0x634/0xac0 [ 369.977732][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.977853][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.977972][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.978094][ T43] rtnl_newlink+0x64b/0xa30 [ 369.978213][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.978334][ T43] ? find_held_lock+0x2c/0x110 [ 369.978453][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.978568][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.978682][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.978797][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.978917][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.979034][ T43] ? hlock_class+0x4e/0x130 [ 369.979151][ T43] ? mark_lock+0x38/0x3e0 [ 369.979240][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.979364][ T43] netlink_rcv_skb+0x130/0x360 [ 369.979483][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.979610][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.979730][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.979852][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.979972][ T43] netlink_unicast+0x44b/0x710 [ 369.980087][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.980200][ T43] ? netlink_autobind.isra.0+0xa5/0x270 [ 369.980328][ T43] ? netlink_autobind.isra.0+0x18a/0x270 [ 369.980455][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.980574][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.980688][ T43] ? fdget+0x52/0x1e0 [ 369.980782][ T43] __sys_sendto+0x377/0x400 [ 369.980912][ T43] ? __pfx___sys_sendto+0x10/0x10 [ 369.981028][ T43] ? find_held_lock+0x2c/0x110 [ 369.981148][ T43] ? __might_fault+0xc3/0x170 [ 369.981263][ T43] ? lock_acquire+0x32/0xc0 [ 369.981386][ T43] ? trace_rseq_update+0xe2/0x140 [ 369.981509][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.981626][ T43] ? __rseq_handle_notify_resume+0x288/0x3e0 [ 369.981769][ T43] ? do_user_addr_fault+0x374/0xe30 [ 369.981894][ T43] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 369.982039][ T43] __x64_sys_sendto+0xe0/0x1c0 [ 369.982153][ T43] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 369.982300][ T43] do_syscall_64+0xc1/0x1d0 [ 369.982421][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.982569][ T43] RIP: 0033:0x7f75371bb700 [ 369.982689][ T43] RSP: 002b:00007ffd6165d568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 369.982865][ T43] RAX: ffffffffffffffda RBX: 00007ffd6165d5e8 RCX: 00007f75371bb700 [ 369.983044][ T43] RDX: 0000000000000078 RSI: 00007ffd6165d5b0 RDI: 0000000000000008 [ 369.983214][ T43] RBP: 00007ffd6165d5b0 R08: 0000000000000000 R09: 0000000000000000 [ 369.983389][ T43] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000040edf8 [ 369.983559][ T43] R13: 0000000000000048 R14: 000000000000004c R15: 0000000000000008 [ 369.983737][ T43] [ 369.983824][ T43] INFO: lockdep is turned off. HARD STOP (398.168116) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr