[ 27.066804][ T256] [ 27.066894][ T256] ===================================== [ 27.067023][ T256] WARNING: bad unlock balance detected! [ 27.067152][ T256] 6.12.0-rc5-virtme #1 Not tainted [ 27.067279][ T256] ------------------------------------- [ 27.067411][ T256] ip/256 is trying to release lock (rtnl_mutex) at: [ 27.067571][ T256] [] __rtnl_unlock+0x69/0xf0 [ 27.067734][ T256] but there are no more locks to release! [ 27.067858][ T256] [ 27.067858][ T256] other info that might help us debug this: [ 27.068041][ T256] no locks held by ip/256. [ 27.068167][ T256] [ 27.068167][ T256] stack backtrace: [ 27.068323][ T256] CPU: 3 UID: 0 PID: 256 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.068515][ T256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.068799][ T256] Call Trace: [ 27.068900][ T256] [ 27.068967][ T256] dump_stack_lvl+0x82/0xd0 [ 27.069098][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.069228][ T256] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.069358][ T256] __lock_release+0x2f7/0x460 [ 27.069487][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.069616][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.069745][ T256] lock_release+0xd7/0x140 [ 27.069906][ T256] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.070044][ T256] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.070171][ T256] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.070331][ T256] ? rtnl_link_ops_get+0x187/0x220 [ 27.070463][ T256] __rtnl_unlock+0x69/0xf0 [ 27.070588][ T256] rtnl_newlink+0x7fd/0xa30 [ 27.070728][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.070871][ T256] ? find_held_lock+0x2c/0x110 [ 27.071000][ T256] ? __lock_release+0x103/0x460 [ 27.071130][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.071257][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.071392][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.071519][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.071655][ T256] rtnetlink_rcv_msg+0x712/0xc10 [ 27.071785][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.071917][ T256] ? hlock_class+0x4e/0x130 [ 27.072049][ T256] ? mark_lock+0x38/0x3e0 [ 27.072163][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.072297][ T256] netlink_rcv_skb+0x130/0x360 [ 27.072427][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.072558][ T256] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.072696][ T256] ? netlink_deliver_tap+0x13e/0x340 [ 27.072842][ T256] ? netlink_deliver_tap+0xc3/0x340 [ 27.072970][ T256] netlink_unicast+0x44b/0x710 [ 27.073098][ T256] ? __pfx_netlink_unicast+0x10/0x10 [ 27.073224][ T256] ? find_held_lock+0x2c/0x110 [ 27.073354][ T256] netlink_sendmsg+0x723/0xbe0 [ 27.073482][ T256] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.073612][ T256] ____sys_sendmsg+0x7ac/0xa10 [ 27.073740][ T256] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.073882][ T256] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.074041][ T256] ? hlock_class+0x4e/0x130 [ 27.074169][ T256] ? validate_chain+0x130/0x9b0 [ 27.074296][ T256] ___sys_sendmsg+0xee/0x170 [ 27.074425][ T256] ? __pfx_validate_chain+0x10/0x10 [ 27.074551][ T256] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.074678][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.074807][ T256] ? find_held_lock+0x2c/0x110 [ 27.074940][ T256] ? __lock_release+0x103/0x460 [ 27.075066][ T256] ? __might_fault+0x11b/0x170 [ 27.075194][ T256] ? fdget+0x52/0x1e0 [ 27.075289][ T256] ? lock_acquire+0x32/0xc0 [ 27.075425][ T256] __sys_sendmsg+0xcd/0x170 [ 27.075553][ T256] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.075680][ T256] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.075813][ T256] do_syscall_64+0xc1/0x1d0 [ 27.075941][ T256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.076103][ T256] RIP: 0033:0x7fe0b0c2b7b7 [ 27.076234][ 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 [ 27.076681][ T256] RSP: 002b:00007ffd70d6b368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.076874][ T256] RAX: ffffffffffffffda RBX: 00007ffd70d6ba90 RCX: 00007fe0b0c2b7b7 [ 27.077071][ T256] RDX: 0000000000000000 RSI: 00007ffd70d6b3d0 RDI: 0000000000000005 [ 27.077261][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.077450][ T256] R10: 00007fe0b0ae4708 R11: 0000000000000246 R12: 00007ffd70d6baa8 [ 27.077640][ T256] R13: 00000000672a3162 R14: 0000000000496600 R15: 00007ffd70d6b4b8 [ 27.077834][ T256] [ 247.095411][ T43] INFO: task ip:256 blocked for more than 122 seconds. [ 247.096001][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.096121][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.096346][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 247.096603][ T43] Call Trace: [ 247.096697][ T43] [ 247.096764][ T43] __schedule+0xa19/0x1dc0 [ 247.096906][ T43] ? __pfx___schedule+0x10/0x10 [ 247.097028][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.097147][ T43] ? trace_lock_release+0x10e/0x180 [ 247.097297][ T43] schedule+0xdf/0x210 [ 247.097409][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.097533][ T43] __mutex_lock+0x634/0xac0 [ 247.097660][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.097787][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.097911][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.098036][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.098162][ T43] rtnl_newlink+0x64b/0xa30 [ 247.098302][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.098423][ T43] ? find_held_lock+0x2c/0x110 [ 247.098562][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.098699][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.098813][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.098929][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.099043][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.099173][ T43] ? hlock_class+0x4e/0x130 [ 247.099295][ T43] ? mark_lock+0x38/0x3e0 [ 247.099385][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.099550][ T43] netlink_rcv_skb+0x130/0x360 [ 247.099675][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.099796][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.099925][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.100046][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.100185][ T43] netlink_unicast+0x44b/0x710 [ 247.100313][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.100430][ T43] ? find_held_lock+0x2c/0x110 [ 247.100550][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.100681][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.100797][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.100913][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.101026][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.101170][ T43] ? hlock_class+0x4e/0x130 [ 247.101297][ T43] ? validate_chain+0x130/0x9b0 [ 247.101439][ T43] ___sys_sendmsg+0xee/0x170 [ 247.101560][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.101678][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.101798][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.101921][ T43] ? find_held_lock+0x2c/0x110 [ 247.102044][ T43] ? __lock_release+0x103/0x460 [ 247.102170][ T43] ? __might_fault+0x11b/0x170 [ 247.102297][ T43] ? fdget+0x52/0x1e0 [ 247.102388][ T43] ? lock_acquire+0x32/0xc0 [ 247.102507][ T43] __sys_sendmsg+0xcd/0x170 [ 247.102637][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.102750][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.102870][ T43] do_syscall_64+0xc1/0x1d0 [ 247.102987][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.103131][ T43] RIP: 0033:0x7fe0b0c2b7b7 [ 247.103255][ T43] RSP: 002b:00007ffd70d6b368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.103430][ T43] RAX: ffffffffffffffda RBX: 00007ffd70d6ba90 RCX: 00007fe0b0c2b7b7 [ 247.103600][ T43] RDX: 0000000000000000 RSI: 00007ffd70d6b3d0 RDI: 0000000000000005 [ 247.103766][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.103933][ T43] R10: 00007fe0b0ae4708 R11: 0000000000000246 R12: 00007ffd70d6baa8 [ 247.104109][ T43] R13: 00000000672a3162 R14: 0000000000496600 R15: 00007ffd70d6b4b8 [ 247.104286][ T43] [ 247.104375][ T43] INFO: lockdep is turned off. [ 369.975500][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.976148][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.976263][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.976486][ T43] task:kworker/u16:0 state:D stack:28328 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.976747][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.976905][ T43] Call Trace: [ 369.976997][ T43] [ 369.977063][ T43] __schedule+0xa19/0x1dc0 [ 369.977190][ T43] ? __pfx___schedule+0x10/0x10 [ 369.977322][ T43] ? __lock_release+0x103/0x460 [ 369.977444][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.977569][ T43] ? trace_lock_release+0x10e/0x180 [ 369.977687][ T43] schedule+0xdf/0x210 [ 369.977786][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.977905][ T43] __mutex_lock+0x634/0xac0 [ 369.978020][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.978134][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.978247][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.978370][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.978487][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.978604][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.978745][ T43] addrconf_verify_work+0x12/0x30 [ 369.978864][ T43] process_one_work+0xe55/0x16d0 [ 369.978988][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.979107][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.979226][ T43] ? assign_work+0x16c/0x240 [ 369.979367][ T43] worker_thread+0x58c/0xce0 [ 369.979522][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.979658][ T43] kthread+0x28a/0x350 [ 369.979757][ T43] ? __pfx_kthread+0x10/0x10 [ 369.979882][ T43] ret_from_fork+0x31/0x70 [ 369.980007][ T43] ? __pfx_kthread+0x10/0x10 [ 369.980143][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.980277][ T43] [ 369.980424][ T43] INFO: task ip:256 blocked for more than 245 seconds. [ 369.980598][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.980717][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.980915][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 369.981174][ T43] Call Trace: [ 369.981259][ T43] [ 369.981327][ T43] __schedule+0xa19/0x1dc0 [ 369.981444][ T43] ? __pfx___schedule+0x10/0x10 [ 369.981563][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.981683][ T43] ? trace_lock_release+0x10e/0x180 [ 369.981797][ T43] schedule+0xdf/0x210 [ 369.981884][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.981996][ T43] __mutex_lock+0x634/0xac0 [ 369.982114][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.982234][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.982353][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.982473][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.982586][ T43] rtnl_newlink+0x64b/0xa30 [ 369.982702][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.982815][ T43] ? find_held_lock+0x2c/0x110 [ 369.982930][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.983044][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.983160][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.983273][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.983399][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.983538][ T43] ? hlock_class+0x4e/0x130 [ 369.983659][ T43] ? mark_lock+0x38/0x3e0 [ 369.983752][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.983872][ T43] netlink_rcv_skb+0x130/0x360 [ 369.983992][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.984111][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.984236][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.984370][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.984494][ T43] netlink_unicast+0x44b/0x710 [ 369.984616][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.984737][ T43] ? find_held_lock+0x2c/0x110 [ 369.984856][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.984977][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.985101][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.985220][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.985348][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.985498][ T43] ? hlock_class+0x4e/0x130 [ 369.985619][ T43] ? validate_chain+0x130/0x9b0 [ 369.985750][ T43] ___sys_sendmsg+0xee/0x170 [ 369.985865][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.985978][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.986093][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.986209][ T43] ? find_held_lock+0x2c/0x110 [ 369.986330][ T43] ? __lock_release+0x103/0x460 [ 369.986447][ T43] ? __might_fault+0x11b/0x170 [ 369.986561][ T43] ? fdget+0x52/0x1e0 [ 369.986649][ T43] ? lock_acquire+0x32/0xc0 [ 369.986764][ T43] __sys_sendmsg+0xcd/0x170 [ 369.986878][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.986992][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.987111][ T43] do_syscall_64+0xc1/0x1d0 [ 369.987225][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.987376][ T43] RIP: 0033:0x7fe0b0c2b7b7 [ 369.987521][ T43] RSP: 002b:00007ffd70d6b368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.987700][ T43] RAX: ffffffffffffffda RBX: 00007ffd70d6ba90 RCX: 00007fe0b0c2b7b7 [ 369.987876][ T43] RDX: 0000000000000000 RSI: 00007ffd70d6b3d0 RDI: 0000000000000005 [ 369.988050][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.988225][ T43] R10: 00007fe0b0ae4708 R11: 0000000000000246 R12: 00007ffd70d6baa8 [ 369.988419][ T43] R13: 00000000672a3162 R14: 0000000000496600 R15: 00007ffd70d6b4b8 [ 369.988601][ T43] [ 369.988700][ T43] INFO: lockdep is turned off. HARD STOP (375.984194) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr