[ 26.871825][ T258] [ 26.871928][ T258] ===================================== [ 26.872068][ T258] WARNING: bad unlock balance detected! [ 26.872210][ T258] 6.12.0-rc5-virtme #1 Not tainted [ 26.872353][ T258] ------------------------------------- [ 26.872492][ T258] ip/258 is trying to release lock (rtnl_mutex) at: [ 26.872669][ T258] [] __rtnl_unlock+0x69/0xf0 [ 26.872850][ T258] but there are no more locks to release! [ 26.872991][ T258] [ 26.872991][ T258] other info that might help us debug this: [ 26.873196][ T258] no locks held by ip/258. [ 26.873341][ T258] [ 26.873341][ T258] stack backtrace: [ 26.873515][ T258] CPU: 3 UID: 0 PID: 258 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 26.873731][ T258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.874044][ T258] Call Trace: [ 26.874156][ T258] [ 26.874229][ T258] dump_stack_lvl+0x82/0xd0 [ 26.874378][ T258] ? __rtnl_unlock+0x69/0xf0 [ 26.874521][ T258] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 26.874664][ T258] __lock_release+0x2f7/0x460 [ 26.874807][ T258] ? __pfx___lock_release+0x10/0x10 [ 26.874965][ T258] ? __rtnl_unlock+0x69/0xf0 [ 26.875108][ T258] lock_release+0xd7/0x140 [ 26.875248][ T258] __mutex_unlock_slowpath+0x8f/0x3b0 [ 26.875391][ T258] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 26.875532][ T258] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 26.875713][ T258] ? rtnl_link_ops_get+0x187/0x220 [ 26.875856][ T258] __rtnl_unlock+0x69/0xf0 [ 26.875997][ T258] rtnl_newlink+0x7fd/0xa30 [ 26.876139][ T258] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.876281][ T258] ? find_held_lock+0x2c/0x110 [ 26.876426][ T258] ? __lock_release+0x103/0x460 [ 26.876568][ T258] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.876710][ T258] ? __pfx___lock_release+0x10/0x10 [ 26.876857][ T258] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.877001][ T258] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.877143][ T258] rtnetlink_rcv_msg+0x712/0xc10 [ 26.877285][ T258] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.877427][ T258] ? hlock_class+0x4e/0x130 [ 26.877570][ T258] ? mark_lock+0x38/0x3e0 [ 26.877683][ T258] ? __lock_acquire+0xb3f/0x1580 [ 26.877829][ T258] netlink_rcv_skb+0x130/0x360 [ 26.877972][ T258] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.878116][ T258] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 26.878268][ T258] ? netlink_deliver_tap+0x13e/0x340 [ 26.878412][ T258] ? netlink_deliver_tap+0xc3/0x340 [ 26.878554][ T258] netlink_unicast+0x44b/0x710 [ 26.878699][ T258] ? __pfx_netlink_unicast+0x10/0x10 [ 26.878841][ T258] ? find_held_lock+0x2c/0x110 [ 26.878985][ T258] netlink_sendmsg+0x723/0xbe0 [ 26.879128][ T258] ? __pfx_netlink_sendmsg+0x10/0x10 [ 26.879276][ T258] ____sys_sendmsg+0x7ac/0xa10 [ 26.879419][ T258] ? __pfx_____sys_sendmsg+0x10/0x10 [ 26.879559][ T258] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 26.879735][ T258] ? hlock_class+0x4e/0x130 [ 26.879879][ T258] ? validate_chain+0x130/0x9b0 [ 26.880022][ T258] ___sys_sendmsg+0xee/0x170 [ 26.880164][ T258] ? __pfx_validate_chain+0x10/0x10 [ 26.880305][ T258] ? __pfx____sys_sendmsg+0x10/0x10 [ 26.880450][ T258] ? __lock_acquire+0xb3f/0x1580 [ 26.880595][ T258] ? find_held_lock+0x2c/0x110 [ 26.880737][ T258] ? __lock_release+0x103/0x460 [ 26.880876][ T258] ? __might_fault+0x11b/0x170 [ 26.881018][ T258] ? fdget+0x52/0x1e0 [ 26.881128][ T258] ? lock_acquire+0x32/0xc0 [ 26.881268][ T258] __sys_sendmsg+0xcd/0x170 [ 26.881408][ T258] ? __pfx___sys_sendmsg+0x10/0x10 [ 26.881547][ T258] ? rseq_update_cpu_node_id+0xe6/0x140 [ 26.881699][ T258] do_syscall_64+0xc1/0x1d0 [ 26.881844][ T258] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.882021][ T258] RIP: 0033:0x7f97623de7b7 [ 26.882172][ T258] 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 [ 26.882671][ T258] RSP: 002b:00007ffc2943fc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.882890][ T258] RAX: ffffffffffffffda RBX: 00007ffc29440360 RCX: 00007f97623de7b7 [ 26.883104][ T258] RDX: 0000000000000000 RSI: 00007ffc2943fca0 RDI: 0000000000000005 [ 26.883315][ T258] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 26.883531][ T258] R10: 00007f9762297708 R11: 0000000000000246 R12: 00007ffc29440378 [ 26.883742][ T258] R13: 00000000672a074a R14: 0000000000496600 R15: 00007ffc2943fd88 [ 26.883964][ T258] [ 247.090505][ T43] INFO: task ip:258 blocked for more than 122 seconds. [ 247.090981][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.091108][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.091399][ T43] task:ip state:D stack:25696 pid:258 tgid:258 ppid:243 flags:0x00004002 [ 247.091674][ T43] Call Trace: [ 247.091772][ T43] [ 247.091852][ T43] __schedule+0xa19/0x1dc0 [ 247.092007][ T43] ? __pfx___schedule+0x10/0x10 [ 247.092137][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.092293][ T43] ? trace_lock_release+0x10e/0x180 [ 247.092418][ T43] schedule+0xdf/0x210 [ 247.092515][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.092639][ T43] __mutex_lock+0x634/0xac0 [ 247.092764][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.092903][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.093028][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.093149][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.093290][ T43] rtnl_newlink+0x64b/0xa30 [ 247.093424][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.093564][ T43] ? find_held_lock+0x2c/0x110 [ 247.093709][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.093833][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.093958][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.094082][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.094205][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.094342][ T43] ? hlock_class+0x4e/0x130 [ 247.094460][ T43] ? mark_lock+0x38/0x3e0 [ 247.094551][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.094673][ T43] netlink_rcv_skb+0x130/0x360 [ 247.094797][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.094916][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.095040][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.095163][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.095297][ T43] netlink_unicast+0x44b/0x710 [ 247.095420][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.095538][ T43] ? find_held_lock+0x2c/0x110 [ 247.095659][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.095780][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.095900][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.096024][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.096146][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.096303][ T43] ? hlock_class+0x4e/0x130 [ 247.096424][ T43] ? validate_chain+0x130/0x9b0 [ 247.096544][ T43] ___sys_sendmsg+0xee/0x170 [ 247.096666][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.096786][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.096909][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.097033][ T43] ? find_held_lock+0x2c/0x110 [ 247.097154][ T43] ? __lock_release+0x103/0x460 [ 247.097284][ T43] ? __might_fault+0x11b/0x170 [ 247.097407][ T43] ? fdget+0x52/0x1e0 [ 247.097499][ T43] ? lock_acquire+0x32/0xc0 [ 247.097617][ T43] __sys_sendmsg+0xcd/0x170 [ 247.097743][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.097861][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.097995][ T43] do_syscall_64+0xc1/0x1d0 [ 247.098119][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.098279][ T43] RIP: 0033:0x7f97623de7b7 [ 247.098410][ T43] RSP: 002b:00007ffc2943fc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.098593][ T43] RAX: ffffffffffffffda RBX: 00007ffc29440360 RCX: 00007f97623de7b7 [ 247.098777][ T43] RDX: 0000000000000000 RSI: 00007ffc2943fca0 RDI: 0000000000000005 [ 247.098960][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.099141][ T43] R10: 00007f9762297708 R11: 0000000000000246 R12: 00007ffc29440378 [ 247.099335][ T43] R13: 00000000672a074a R14: 0000000000496600 R15: 00007ffc2943fd88 [ 247.099515][ T43] [ 247.099608][ T43] INFO: lockdep is turned off. HARD STOP (346.060577) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr [ 369.970538][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.970935][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.971047][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.971227][ T43] task:kworker/u16:0 state:D stack:29664 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.971477][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.971652][ T43] Call Trace: [ 369.971742][ T43] [ 369.971804][ T43] __schedule+0xa19/0x1dc0 [ 369.971930][ T43] ? __pfx___schedule+0x10/0x10 [ 369.972048][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.972177][ T43] ? trace_lock_release+0x10e/0x180 [ 369.972300][ T43] schedule+0xdf/0x210 [ 369.972386][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.972494][ T43] __mutex_lock+0x634/0xac0 [ 369.972609][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.972719][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.972829][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.972968][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.973084][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.973198][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.973319][ T43] addrconf_verify_work+0x12/0x30 [ 369.973438][ T43] process_one_work+0xe55/0x16d0 [ 369.973564][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.973672][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.973784][ T43] ? assign_work+0x16c/0x240 [ 369.973902][ T43] worker_thread+0x58c/0xce0 [ 369.974014][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.974120][ T43] kthread+0x28a/0x350 [ 369.974203][ T43] ? __pfx_kthread+0x10/0x10 [ 369.974319][ T43] ret_from_fork+0x31/0x70 [ 369.974432][ T43] ? __pfx_kthread+0x10/0x10 [ 369.974540][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.974652][ T43] [ 369.974753][ T43] INFO: task ip:258 blocked for more than 245 seconds. [ 369.974883][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.974986][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.975160][ T43] task:ip state:D stack:25696 pid:258 tgid:258 ppid:243 flags:0x00004006 [ 369.975395][ T43] Call Trace: [ 369.975498][ T43] [ 369.975558][ T43] __schedule+0xa19/0x1dc0 [ 369.975680][ T43] ? __pfx___schedule+0x10/0x10 [ 369.975797][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975912][ T43] ? trace_lock_release+0x10e/0x180 [ 369.976026][ T43] schedule+0xdf/0x210 [ 369.976119][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.976227][ T43] __mutex_lock+0x634/0xac0 [ 369.976349][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.976458][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.976569][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976678][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.976788][ T43] rtnl_newlink+0x64b/0xa30 [ 369.976900][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.977007][ T43] ? find_held_lock+0x2c/0x110 [ 369.977115][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.977249][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.977387][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.977506][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.977626][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.977742][ T43] ? hlock_class+0x4e/0x130 [ 369.977861][ T43] ? mark_lock+0x38/0x3e0 [ 369.977951][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.978068][ T43] netlink_rcv_skb+0x130/0x360 [ 369.978191][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.978323][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.978448][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.978571][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.978696][ T43] netlink_unicast+0x44b/0x710 [ 369.978816][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.978934][ T43] ? find_held_lock+0x2c/0x110 [ 369.979053][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.979171][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.979306][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.979434][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.979555][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.979699][ T43] ? hlock_class+0x4e/0x130 [ 369.979829][ T43] ? validate_chain+0x130/0x9b0 [ 369.979948][ T43] ___sys_sendmsg+0xee/0x170 [ 369.980062][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.980175][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.980297][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.980416][ T43] ? find_held_lock+0x2c/0x110 [ 369.980534][ T43] ? __lock_release+0x103/0x460 [ 369.980656][ T43] ? __might_fault+0x11b/0x170 [ 369.980765][ T43] ? fdget+0x52/0x1e0 [ 369.980854][ T43] ? lock_acquire+0x32/0xc0 [ 369.980964][ T43] __sys_sendmsg+0xcd/0x170 [ 369.981075][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.981181][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.981301][ T43] do_syscall_64+0xc1/0x1d0 [ 369.981417][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.981551][ T43] RIP: 0033:0x7f97623de7b7 [ 369.981666][ T43] RSP: 002b:00007ffc2943fc38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.981832][ T43] RAX: ffffffffffffffda RBX: 00007ffc29440360 RCX: 00007f97623de7b7 [ 369.981990][ T43] RDX: 0000000000000000 RSI: 00007ffc2943fca0 RDI: 0000000000000005 [ 369.982148][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.982321][ T43] R10: 00007f9762297708 R11: 0000000000000246 R12: 00007ffc29440378 [ 369.982481][ T43] R13: 00000000672a074a R14: 0000000000496600 R15: 00007ffc2943fd88 [ 369.982645][ T43] [ 369.982729][ T43] INFO: lockdep is turned off. WAIT TIMEOUT stderr