[ 27.724462][ T256] [ 27.724560][ T256] ===================================== [ 27.724692][ T256] WARNING: bad unlock balance detected! [ 27.724821][ T256] 6.12.0-rc5-virtme #1 Not tainted [ 27.724953][ T256] ------------------------------------- [ 27.725080][ T256] ip/256 is trying to release lock (rtnl_mutex) at: [ 27.725239][ T256] [] __rtnl_unlock+0x69/0xf0 [ 27.725402][ T256] but there are no more locks to release! [ 27.725528][ T256] [ 27.725528][ T256] other info that might help us debug this: [ 27.725716][ T256] no locks held by ip/256. [ 27.725843][ T256] [ 27.725843][ T256] stack backtrace: [ 27.726002][ T256] CPU: 1 UID: 0 PID: 256 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.726197][ T256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.726479][ T256] Call Trace: [ 27.726583][ T256] [ 27.726652][ T256] dump_stack_lvl+0x82/0xd0 [ 27.726790][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.726919][ T256] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.727052][ T256] __lock_release+0x2f7/0x460 [ 27.727184][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.727315][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.727444][ T256] lock_release+0xd7/0x140 [ 27.727570][ T256] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.727700][ T256] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.727827][ T256] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.727985][ T256] ? rtnl_link_ops_get+0x187/0x220 [ 27.728114][ T256] __rtnl_unlock+0x69/0xf0 [ 27.728242][ T256] rtnl_newlink+0x7fd/0xa30 [ 27.728371][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.728498][ T256] ? find_held_lock+0x2c/0x110 [ 27.728629][ T256] ? __lock_release+0x103/0x460 [ 27.728756][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.728887][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.729017][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.729145][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.729272][ T256] rtnetlink_rcv_msg+0x712/0xc10 [ 27.729402][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.729533][ T256] ? hlock_class+0x4e/0x130 [ 27.729664][ T256] ? mark_lock+0x38/0x3e0 [ 27.729764][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.729893][ T256] netlink_rcv_skb+0x130/0x360 [ 27.730029][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.730156][ T256] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.730287][ T256] ? netlink_deliver_tap+0x13e/0x340 [ 27.730416][ T256] ? netlink_deliver_tap+0xc3/0x340 [ 27.730547][ T256] netlink_unicast+0x44b/0x710 [ 27.730674][ T256] ? __pfx_netlink_unicast+0x10/0x10 [ 27.730800][ T256] ? find_held_lock+0x2c/0x110 [ 27.730930][ T256] netlink_sendmsg+0x723/0xbe0 [ 27.731061][ T256] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.731201][ T256] ____sys_sendmsg+0x7ac/0xa10 [ 27.731335][ T256] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.731461][ T256] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.731617][ T256] ? hlock_class+0x4e/0x130 [ 27.731747][ T256] ? validate_chain+0x130/0x9b0 [ 27.731877][ T256] ___sys_sendmsg+0xee/0x170 [ 27.732005][ T256] ? __pfx_validate_chain+0x10/0x10 [ 27.732132][ T256] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.732259][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.732391][ T256] ? find_held_lock+0x2c/0x110 [ 27.732519][ T256] ? __lock_release+0x103/0x460 [ 27.732645][ T256] ? __might_fault+0x11b/0x170 [ 27.732773][ T256] ? fdget+0x52/0x1e0 [ 27.732870][ T256] ? lock_acquire+0x32/0xc0 [ 27.732999][ T256] __sys_sendmsg+0xcd/0x170 [ 27.733127][ T256] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.733254][ T256] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.733390][ T256] do_syscall_64+0xc1/0x1d0 [ 27.733519][ T256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.733679][ T256] RIP: 0033:0x7f171cf4d7b7 [ 27.733814][ T256] 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 [ 27.734257][ T256] RSP: 002b:00007ffcbd4fe618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.734452][ T256] RAX: ffffffffffffffda RBX: 00007ffcbd4fed40 RCX: 00007f171cf4d7b7 [ 27.734641][ T256] RDX: 0000000000000000 RSI: 00007ffcbd4fe680 RDI: 0000000000000005 [ 27.734829][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.735018][ T256] R10: 00007f171ce06708 R11: 0000000000000246 R12: 00007ffcbd4fed58 [ 27.735207][ T256] R13: 000000006729dceb R14: 0000000000496600 R15: 00007ffcbd4fe768 [ 27.735401][ T256] [ 247.114232][ T43] INFO: task ip:256 blocked for more than 122 seconds. [ 247.114615][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.114727][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.114922][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 247.115179][ T43] Call Trace: [ 247.115295][ T43] [ 247.115364][ T43] __schedule+0xa19/0x1dc0 [ 247.115496][ T43] ? __pfx___schedule+0x10/0x10 [ 247.115617][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.115740][ T43] ? trace_lock_release+0x10e/0x180 [ 247.115864][ T43] schedule+0xdf/0x210 [ 247.115950][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.116068][ T43] __mutex_lock+0x634/0xac0 [ 247.116184][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.116301][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.116413][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.116526][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.116635][ T43] rtnl_newlink+0x64b/0xa30 [ 247.116757][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.116866][ T43] ? find_held_lock+0x2c/0x110 [ 247.116978][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.117098][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.117213][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.117324][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.117443][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.117551][ T43] ? hlock_class+0x4e/0x130 [ 247.117660][ T43] ? mark_lock+0x38/0x3e0 [ 247.117746][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.117857][ T43] netlink_rcv_skb+0x130/0x360 [ 247.117971][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.118086][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.118203][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.118314][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.118424][ T43] netlink_unicast+0x44b/0x710 [ 247.118535][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.118646][ T43] ? find_held_lock+0x2c/0x110 [ 247.118758][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.118868][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.118980][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.119095][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.119208][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.119346][ T43] ? hlock_class+0x4e/0x130 [ 247.119457][ T43] ? validate_chain+0x130/0x9b0 [ 247.119569][ T43] ___sys_sendmsg+0xee/0x170 [ 247.119681][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.119789][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.119911][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.120024][ T43] ? find_held_lock+0x2c/0x110 [ 247.120146][ T43] ? __lock_release+0x103/0x460 [ 247.120266][ T43] ? __might_fault+0x11b/0x170 [ 247.120380][ T43] ? fdget+0x52/0x1e0 [ 247.120466][ T43] ? lock_acquire+0x32/0xc0 [ 247.120579][ T43] __sys_sendmsg+0xcd/0x170 [ 247.120688][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.120798][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.120914][ T43] do_syscall_64+0xc1/0x1d0 [ 247.121025][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.121172][ T43] RIP: 0033:0x7f171cf4d7b7 [ 247.121287][ T43] RSP: 002b:00007ffcbd4fe618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.121452][ T43] RAX: ffffffffffffffda RBX: 00007ffcbd4fed40 RCX: 00007f171cf4d7b7 [ 247.121619][ T43] RDX: 0000000000000000 RSI: 00007ffcbd4fe680 RDI: 0000000000000005 [ 247.121782][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.121951][ T43] R10: 00007f171ce06708 R11: 0000000000000246 R12: 00007ffcbd4fed58 [ 247.122121][ T43] R13: 000000006729dceb R14: 0000000000496600 R15: 00007ffcbd4fe768 [ 247.122289][ T43] [ 247.122373][ T43] INFO: lockdep is turned off. [ 369.994226][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.994608][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.994726][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.994951][ T43] task:kworker/u16:0 state:D stack:29664 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.995228][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.995399][ T43] Call Trace: [ 369.995493][ T43] [ 369.995562][ T43] __schedule+0xa19/0x1dc0 [ 369.995696][ T43] ? __pfx___schedule+0x10/0x10 [ 369.995823][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.995960][ T43] ? trace_lock_release+0x10e/0x180 [ 369.996095][ T43] schedule+0xdf/0x210 [ 369.996188][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.996312][ T43] __mutex_lock+0x634/0xac0 [ 369.996433][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.996556][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.996678][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.996798][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.996926][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.997047][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.997174][ T43] addrconf_verify_work+0x12/0x30 [ 369.997292][ T43] process_one_work+0xe55/0x16d0 [ 369.997427][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.997546][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.997667][ T43] ? assign_work+0x16c/0x240 [ 369.997797][ T43] worker_thread+0x58c/0xce0 [ 369.997923][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.998042][ T43] kthread+0x28a/0x350 [ 369.998140][ T43] ? __pfx_kthread+0x10/0x10 [ 369.998259][ T43] ret_from_fork+0x31/0x70 [ 369.998382][ T43] ? __pfx_kthread+0x10/0x10 [ 369.998505][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.998636][ T43] [ 369.998749][ T43] INFO: task ip:256 blocked for more than 245 seconds. [ 369.998894][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.999010][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.999228][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 369.999470][ T43] Call Trace: [ 369.999561][ T43] [ 369.999624][ T43] __schedule+0xa19/0x1dc0 [ 369.999748][ T43] ? __pfx___schedule+0x10/0x10 [ 369.999875][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.000001][ T43] ? trace_lock_release+0x10e/0x180 [ 370.000126][ T43] schedule+0xdf/0x210 [ 370.000218][ T43] schedule_preempt_disabled+0x15/0x30 [ 370.000336][ T43] __mutex_lock+0x634/0xac0 [ 370.000456][ T43] ? rtnl_newlink+0x64b/0xa30 [ 370.000584][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 370.000707][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.000836][ T43] ? rtnl_newlink+0x64b/0xa30 [ 370.000954][ T43] rtnl_newlink+0x64b/0xa30 [ 370.001090][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 370.001208][ T43] ? find_held_lock+0x2c/0x110 [ 370.001328][ T43] ? __pfx___lock_release+0x10/0x10 [ 370.001446][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 370.001569][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 370.001689][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 370.001809][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 370.001933][ T43] ? hlock_class+0x4e/0x130 [ 370.002059][ T43] ? mark_lock+0x38/0x3e0 [ 370.002154][ T43] ? __lock_acquire+0xb3f/0x1580 [ 370.002272][ T43] netlink_rcv_skb+0x130/0x360 [ 370.002394][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 370.002512][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 370.002637][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 370.002755][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 370.002879][ T43] netlink_unicast+0x44b/0x710 [ 370.003003][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 370.003130][ T43] ? find_held_lock+0x2c/0x110 [ 370.003252][ T43] netlink_sendmsg+0x723/0xbe0 [ 370.003373][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 370.003496][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 370.003621][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 370.003741][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 370.003897][ T43] ? hlock_class+0x4e/0x130 [ 370.004019][ T43] ? validate_chain+0x130/0x9b0 [ 370.004147][ T43] ___sys_sendmsg+0xee/0x170 [ 370.004269][ T43] ? __pfx_validate_chain+0x10/0x10 [ 370.004387][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 370.004506][ T43] ? __lock_acquire+0xb3f/0x1580 [ 370.004631][ T43] ? find_held_lock+0x2c/0x110 [ 370.004755][ T43] ? __lock_release+0x103/0x460 [ 370.004880][ T43] ? __might_fault+0x11b/0x170 [ 370.005003][ T43] ? fdget+0x52/0x1e0 [ 370.005104][ T43] ? lock_acquire+0x32/0xc0 [ 370.005232][ T43] __sys_sendmsg+0xcd/0x170 [ 370.005354][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 370.005474][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 370.005600][ T43] do_syscall_64+0xc1/0x1d0 [ 370.005725][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 370.005898][ T43] RIP: 0033:0x7f171cf4d7b7 [ 370.006026][ T43] RSP: 002b:00007ffcbd4fe618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 370.006209][ T43] RAX: ffffffffffffffda RBX: 00007ffcbd4fed40 RCX: 00007f171cf4d7b7 [ 370.006387][ T43] RDX: 0000000000000000 RSI: 00007ffcbd4fe680 RDI: 0000000000000005 [ 370.006561][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 370.006734][ T43] R10: 00007f171ce06708 R11: 0000000000000246 R12: 00007ffcbd4fed58 [ 370.006922][ T43] R13: 000000006729dceb R14: 0000000000496600 R15: 00007ffcbd4fe768 [ 370.007107][ T43] [ 370.007197][ T43] INFO: lockdep is turned off. HARD STOP (399.698054) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr