[ 28.034797][ T255] [ 28.034893][ T255] ===================================== [ 28.035023][ T255] WARNING: bad unlock balance detected! [ 28.035149][ T255] 6.12.0-rc5-virtme #1 Not tainted [ 28.035280][ T255] ------------------------------------- [ 28.035405][ T255] ip/255 is trying to release lock (rtnl_mutex) at: [ 28.035575][ T255] [] __rtnl_unlock+0x69/0xf0 [ 28.035737][ T255] but there are no more locks to release! [ 28.035863][ T255] [ 28.035863][ T255] other info that might help us debug this: [ 28.036061][ T255] no locks held by ip/255. [ 28.036193][ T255] [ 28.036193][ T255] stack backtrace: [ 28.036354][ T255] CPU: 1 UID: 0 PID: 255 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 28.036548][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.036834][ T255] Call Trace: [ 28.036939][ T255] [ 28.037009][ T255] dump_stack_lvl+0x82/0xd0 [ 28.037144][ T255] ? __rtnl_unlock+0x69/0xf0 [ 28.037280][ T255] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 28.037410][ T255] __lock_release+0x2f7/0x460 [ 28.037541][ T255] ? __pfx___lock_release+0x10/0x10 [ 28.037676][ T255] ? __rtnl_unlock+0x69/0xf0 [ 28.037813][ T255] lock_release+0xd7/0x140 [ 28.037941][ T255] __mutex_unlock_slowpath+0x8f/0x3b0 [ 28.038082][ T255] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 28.038212][ T255] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 28.038372][ T255] ? rtnl_link_ops_get+0x187/0x220 [ 28.038503][ T255] __rtnl_unlock+0x69/0xf0 [ 28.038634][ T255] rtnl_newlink+0x7fd/0xa30 [ 28.038765][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 28.038893][ T255] ? find_held_lock+0x2c/0x110 [ 28.039023][ T255] ? __lock_release+0x103/0x460 [ 28.039151][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 28.039285][ T255] ? __pfx___lock_release+0x10/0x10 [ 28.039414][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 28.039547][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 28.039675][ T255] rtnetlink_rcv_msg+0x712/0xc10 [ 28.039810][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 28.039942][ T255] ? hlock_class+0x4e/0x130 [ 28.040073][ T255] ? mark_lock+0x38/0x3e0 [ 28.040172][ T255] ? __lock_acquire+0xb3f/0x1580 [ 28.040306][ T255] netlink_rcv_skb+0x130/0x360 [ 28.040439][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 28.040570][ T255] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 28.040703][ T255] ? netlink_deliver_tap+0x13e/0x340 [ 28.040832][ T255] ? netlink_deliver_tap+0xc3/0x340 [ 28.040962][ T255] netlink_unicast+0x44b/0x710 [ 28.041093][ T255] ? __pfx_netlink_unicast+0x10/0x10 [ 28.041226][ T255] ? find_held_lock+0x2c/0x110 [ 28.041355][ T255] netlink_sendmsg+0x723/0xbe0 [ 28.041490][ T255] ? __pfx_netlink_sendmsg+0x10/0x10 [ 28.041624][ T255] ____sys_sendmsg+0x7ac/0xa10 [ 28.041753][ T255] ? __pfx_____sys_sendmsg+0x10/0x10 [ 28.041878][ T255] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 28.042039][ T255] ? hlock_class+0x4e/0x130 [ 28.042166][ T255] ? validate_chain+0x130/0x9b0 [ 28.042295][ T255] ___sys_sendmsg+0xee/0x170 [ 28.042424][ T255] ? __pfx_validate_chain+0x10/0x10 [ 28.042552][ T255] ? __pfx____sys_sendmsg+0x10/0x10 [ 28.042683][ T255] ? __lock_acquire+0xb3f/0x1580 [ 28.042814][ T255] ? find_held_lock+0x2c/0x110 [ 28.042941][ T255] ? __lock_release+0x103/0x460 [ 28.043068][ T255] ? __might_fault+0x11b/0x170 [ 28.043200][ T255] ? fdget+0x52/0x1e0 [ 28.043308][ T255] ? lock_acquire+0x32/0xc0 [ 28.043449][ T255] __sys_sendmsg+0xcd/0x170 [ 28.043587][ T255] ? __pfx___sys_sendmsg+0x10/0x10 [ 28.043728][ T255] ? rseq_update_cpu_node_id+0xe6/0x140 [ 28.043880][ T255] do_syscall_64+0xc1/0x1d0 [ 28.044030][ T255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 28.044203][ T255] RIP: 0033:0x7f0c526b07b7 [ 28.044350][ T255] 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 [ 28.044848][ T255] RSP: 002b:00007ffc26070608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.045067][ T255] RAX: ffffffffffffffda RBX: 00007ffc26070d30 RCX: 00007f0c526b07b7 [ 28.045275][ T255] RDX: 0000000000000000 RSI: 00007ffc26070670 RDI: 0000000000000005 [ 28.045484][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 28.045691][ T255] R10: 00007f0c52569708 R11: 0000000000000246 R12: 00007ffc26070d48 [ 28.045904][ T255] R13: 000000006729dce4 R14: 0000000000496600 R15: 00007ffc26070758 [ 28.046123][ T255] [ 247.090560][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.091180][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.091403][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.091770][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:240 flags:0x00004002 [ 247.092147][ T43] Call Trace: [ 247.092259][ T43] [ 247.092353][ T43] __schedule+0xa19/0x1dc0 [ 247.092511][ T43] ? __pfx___schedule+0x10/0x10 [ 247.092658][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.092812][ T43] ? trace_lock_release+0x10e/0x180 [ 247.092955][ T43] schedule+0xdf/0x210 [ 247.093063][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.093208][ T43] __mutex_lock+0x634/0xac0 [ 247.093363][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.093509][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.093655][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.093800][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.093952][ T43] rtnl_newlink+0x64b/0xa30 [ 247.094093][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.094239][ T43] ? find_held_lock+0x2c/0x110 [ 247.094387][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.094533][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.094677][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.094828][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.094980][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.095158][ T43] ? hlock_class+0x4e/0x130 [ 247.095324][ T43] ? mark_lock+0x38/0x3e0 [ 247.095453][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.095605][ T43] netlink_rcv_skb+0x130/0x360 [ 247.095757][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.095914][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.096070][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.096216][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.096362][ T43] netlink_unicast+0x44b/0x710 [ 247.096510][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.096648][ T43] ? find_held_lock+0x2c/0x110 [ 247.096792][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.096934][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.097073][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.097218][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.097361][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.097542][ T43] ? hlock_class+0x4e/0x130 [ 247.097680][ T43] ? validate_chain+0x130/0x9b0 [ 247.097827][ T43] ___sys_sendmsg+0xee/0x170 [ 247.097965][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.098106][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.098247][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.098399][ T43] ? find_held_lock+0x2c/0x110 [ 247.098541][ T43] ? __lock_release+0x103/0x460 [ 247.098685][ T43] ? __might_fault+0x11b/0x170 [ 247.098831][ T43] ? fdget+0x52/0x1e0 [ 247.098942][ T43] ? lock_acquire+0x32/0xc0 [ 247.099084][ T43] __sys_sendmsg+0xcd/0x170 [ 247.099223][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.099381][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.099535][ T43] do_syscall_64+0xc1/0x1d0 [ 247.099680][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.099860][ T43] RIP: 0033:0x7f0c526b07b7 [ 247.100013][ T43] RSP: 002b:00007ffc26070608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.100227][ T43] RAX: ffffffffffffffda RBX: 00007ffc26070d30 RCX: 00007f0c526b07b7 [ 247.100445][ T43] RDX: 0000000000000000 RSI: 00007ffc26070670 RDI: 0000000000000005 [ 247.100654][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.100861][ T43] R10: 00007f0c52569708 R11: 0000000000000246 R12: 00007ffc26070d48 [ 247.101067][ T43] R13: 000000006729dce4 R14: 0000000000496600 R15: 00007ffc26070758 [ 247.101278][ T43] [ 247.101390][ T43] INFO: lockdep is turned off. [ 369.970562][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.971248][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.971420][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.971690][ T43] task:kworker/u16:0 state:D stack:29080 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.971991][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.972183][ T43] Call Trace: [ 369.972293][ T43] [ 369.972384][ T43] __schedule+0xa19/0x1dc0 [ 369.972547][ T43] ? __pfx___schedule+0x10/0x10 [ 369.972716][ T43] ? __lock_release+0x103/0x460 [ 369.973020][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.973166][ T43] ? trace_lock_release+0x10e/0x180 [ 369.973292][ T43] schedule+0xdf/0x210 [ 369.973395][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.973517][ T43] __mutex_lock+0x634/0xac0 [ 369.973647][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.973781][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.973900][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.974149][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974276][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974427][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.974547][ T43] addrconf_verify_work+0x12/0x30 [ 369.974687][ T43] process_one_work+0xe55/0x16d0 [ 369.974814][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.974940][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.975062][ T43] ? assign_work+0x16c/0x240 [ 369.975187][ T43] worker_thread+0x58c/0xce0 [ 369.975313][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.975451][ T43] kthread+0x28a/0x350 [ 369.975547][ T43] ? __pfx_kthread+0x10/0x10 [ 369.975677][ T43] ret_from_fork+0x31/0x70 [ 369.975799][ T43] ? __pfx_kthread+0x10/0x10 [ 369.975916][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.976040][ T43] [ 369.976153][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.976292][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.976410][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.976602][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:240 flags:0x00004002 [ 369.976833][ T43] Call Trace: [ 369.976920][ T43] [ 369.976984][ T43] __schedule+0xa19/0x1dc0 [ 369.977102][ T43] ? __pfx___schedule+0x10/0x10 [ 369.977222][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.977352][ T43] ? trace_lock_release+0x10e/0x180 [ 369.977474][ T43] schedule+0xdf/0x210 [ 369.977565][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.977682][ T43] __mutex_lock+0x634/0xac0 [ 369.977800][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.977918][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.978041][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.978163][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.978282][ T43] rtnl_newlink+0x64b/0xa30 [ 369.978409][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.978530][ T43] ? find_held_lock+0x2c/0x110 [ 369.978650][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.978769][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.978885][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.979005][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.979121][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.979241][ T43] ? hlock_class+0x4e/0x130 [ 369.979372][ T43] ? mark_lock+0x38/0x3e0 [ 369.979463][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.979583][ T43] netlink_rcv_skb+0x130/0x360 [ 369.979704][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.979819][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.979940][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.980060][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.980181][ T43] netlink_unicast+0x44b/0x710 [ 369.980300][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.980423][ T43] ? find_held_lock+0x2c/0x110 [ 369.980549][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.980669][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.980788][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.980909][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.981023][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.981178][ T43] ? hlock_class+0x4e/0x130 [ 369.981298][ T43] ? validate_chain+0x130/0x9b0 [ 369.981421][ T43] ___sys_sendmsg+0xee/0x170 [ 369.981540][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.981657][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.981776][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.981896][ T43] ? find_held_lock+0x2c/0x110 [ 369.982014][ T43] ? __lock_release+0x103/0x460 [ 369.982132][ T43] ? __might_fault+0x11b/0x170 [ 369.982255][ T43] ? fdget+0x52/0x1e0 [ 369.982352][ T43] ? lock_acquire+0x32/0xc0 [ 369.982470][ T43] __sys_sendmsg+0xcd/0x170 [ 369.982592][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.982708][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.982835][ T43] do_syscall_64+0xc1/0x1d0 [ 369.982959][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.983110][ T43] RIP: 0033:0x7f0c526b07b7 [ 369.983237][ T43] RSP: 002b:00007ffc26070608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.983425][ T43] RAX: ffffffffffffffda RBX: 00007ffc26070d30 RCX: 00007f0c526b07b7 [ 369.983599][ T43] RDX: 0000000000000000 RSI: 00007ffc26070670 RDI: 0000000000000005 [ 369.983777][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.983949][ T43] R10: 00007f0c52569708 R11: 0000000000000246 R12: 00007ffc26070d48 [ 369.984135][ T43] R13: 000000006729dce4 R14: 0000000000496600 R15: 00007ffc26070758 [ 369.984313][ T43] [ 369.984409][ T43] INFO: lockdep is turned off. HARD STOP (406.868047) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr