[ 27.592743][ T255] [ 27.592839][ T255] ===================================== [ 27.592978][ T255] WARNING: bad unlock balance detected! [ 27.593101][ T255] 6.12.0-rc5-virtme #1 Not tainted [ 27.593224][ T255] ------------------------------------- [ 27.593354][ T255] ip/255 is trying to release lock (rtnl_mutex) at: [ 27.593512][ T255] [] __rtnl_unlock+0x69/0xf0 [ 27.593676][ T255] but there are no more locks to release! [ 27.593800][ T255] [ 27.593800][ T255] other info that might help us debug this: [ 27.593987][ T255] no locks held by ip/255. [ 27.594112][ T255] [ 27.594112][ T255] stack backtrace: [ 27.594267][ T255] CPU: 1 UID: 0 PID: 255 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.594457][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.594737][ T255] Call Trace: [ 27.594837][ T255] [ 27.594903][ T255] dump_stack_lvl+0x82/0xd0 [ 27.595036][ T255] ? __rtnl_unlock+0x69/0xf0 [ 27.595169][ T255] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.595301][ T255] __lock_release+0x2f7/0x460 [ 27.595429][ T255] ? __pfx___lock_release+0x10/0x10 [ 27.595557][ T255] ? __rtnl_unlock+0x69/0xf0 [ 27.595684][ T255] lock_release+0xd7/0x140 [ 27.595812][ T255] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.595946][ T255] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.596073][ T255] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.596233][ T255] ? rtnl_link_ops_get+0x187/0x220 [ 27.596363][ T255] __rtnl_unlock+0x69/0xf0 [ 27.596492][ T255] rtnl_newlink+0x7fd/0xa30 [ 27.596619][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.596745][ T255] ? find_held_lock+0x2c/0x110 [ 27.596873][ T255] ? __lock_release+0x103/0x460 [ 27.597003][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.597130][ T255] ? __pfx___lock_release+0x10/0x10 [ 27.597257][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.597381][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.597509][ T255] rtnetlink_rcv_msg+0x712/0xc10 [ 27.597637][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.597763][ T255] ? hlock_class+0x4e/0x130 [ 27.597889][ T255] ? mark_lock+0x38/0x3e0 [ 27.597986][ T255] ? __lock_acquire+0xb3f/0x1580 [ 27.598114][ T255] netlink_rcv_skb+0x130/0x360 [ 27.598244][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.598370][ T255] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.598503][ T255] ? netlink_deliver_tap+0x13e/0x340 [ 27.598631][ T255] ? netlink_deliver_tap+0xc3/0x340 [ 27.598757][ T255] netlink_unicast+0x44b/0x710 [ 27.598884][ T255] ? __pfx_netlink_unicast+0x10/0x10 [ 27.599011][ T255] ? find_held_lock+0x2c/0x110 [ 27.599138][ T255] netlink_sendmsg+0x723/0xbe0 [ 27.599266][ T255] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.599396][ T255] ____sys_sendmsg+0x7ac/0xa10 [ 27.599523][ T255] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.599651][ T255] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.599819][ T255] ? hlock_class+0x4e/0x130 [ 27.599945][ T255] ? validate_chain+0x130/0x9b0 [ 27.600073][ T255] ___sys_sendmsg+0xee/0x170 [ 27.600198][ T255] ? __pfx_validate_chain+0x10/0x10 [ 27.600325][ T255] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.600451][ T255] ? __lock_acquire+0xb3f/0x1580 [ 27.600579][ T255] ? find_held_lock+0x2c/0x110 [ 27.600708][ T255] ? __lock_release+0x103/0x460 [ 27.600833][ T255] ? __might_fault+0x11b/0x170 [ 27.600961][ T255] ? fdget+0x52/0x1e0 [ 27.601057][ T255] ? lock_acquire+0x32/0xc0 [ 27.601183][ T255] __sys_sendmsg+0xcd/0x170 [ 27.601309][ T255] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.601435][ T255] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.601569][ T255] do_syscall_64+0xc1/0x1d0 [ 27.601702][ T255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.601859][ T255] RIP: 0033:0x7fe954fbe7b7 [ 27.601992][ 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 [ 27.602438][ T255] RSP: 002b:00007ffec6aa25d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.602630][ T255] RAX: ffffffffffffffda RBX: 00007ffec6aa2d00 RCX: 00007fe954fbe7b7 [ 27.602821][ T255] RDX: 0000000000000000 RSI: 00007ffec6aa2640 RDI: 0000000000000005 [ 27.603010][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.603198][ T255] R10: 00007fe954e77708 R11: 0000000000000246 R12: 00007ffec6aa2d18 [ 27.603385][ T255] R13: 00000000672a3174 R14: 0000000000496600 R15: 00007ffec6aa2728 [ 27.603581][ T255] [ 247.088577][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.088896][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.089008][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.089200][ T43] task:ip state:D stack:25696 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 247.089471][ T43] Call Trace: [ 247.089591][ T43] [ 247.089662][ T43] __schedule+0xa19/0x1dc0 [ 247.089795][ T43] ? __pfx___schedule+0x10/0x10 [ 247.089915][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.090042][ T43] ? trace_lock_release+0x10e/0x180 [ 247.090161][ T43] schedule+0xdf/0x210 [ 247.090253][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.090381][ T43] __mutex_lock+0x634/0xac0 [ 247.090504][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.090627][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.090779][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.090920][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.091038][ T43] rtnl_newlink+0x64b/0xa30 [ 247.091161][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.091285][ T43] ? find_held_lock+0x2c/0x110 [ 247.091424][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.091559][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.091680][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.091798][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.091920][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.092038][ T43] ? hlock_class+0x4e/0x130 [ 247.092169][ T43] ? mark_lock+0x38/0x3e0 [ 247.092260][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.092394][ T43] netlink_rcv_skb+0x130/0x360 [ 247.092509][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.092623][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.092736][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.092850][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.092960][ T43] netlink_unicast+0x44b/0x710 [ 247.093073][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.093182][ T43] ? find_held_lock+0x2c/0x110 [ 247.093293][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.093421][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.093561][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.093680][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.093794][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.093943][ T43] ? hlock_class+0x4e/0x130 [ 247.094061][ T43] ? validate_chain+0x130/0x9b0 [ 247.094178][ T43] ___sys_sendmsg+0xee/0x170 [ 247.094294][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.094419][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.094540][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.094678][ T43] ? find_held_lock+0x2c/0x110 [ 247.094797][ T43] ? __lock_release+0x103/0x460 [ 247.094918][ T43] ? __might_fault+0x11b/0x170 [ 247.095039][ T43] ? fdget+0x52/0x1e0 [ 247.095132][ T43] ? lock_acquire+0x32/0xc0 [ 247.095253][ T43] __sys_sendmsg+0xcd/0x170 [ 247.095380][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.095503][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.095632][ T43] do_syscall_64+0xc1/0x1d0 [ 247.095756][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.095923][ T43] RIP: 0033:0x7fe954fbe7b7 [ 247.096041][ T43] RSP: 002b:00007ffec6aa25d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.096210][ T43] RAX: ffffffffffffffda RBX: 00007ffec6aa2d00 RCX: 00007fe954fbe7b7 [ 247.096386][ T43] RDX: 0000000000000000 RSI: 00007ffec6aa2640 RDI: 0000000000000005 [ 247.096558][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.096722][ T43] R10: 00007fe954e77708 R11: 0000000000000246 R12: 00007ffec6aa2d18 [ 247.096885][ T43] R13: 00000000672a3174 R14: 0000000000496600 R15: 00007ffec6aa2728 [ 247.097055][ T43] [ 247.097143][ T43] INFO: lockdep is turned off. [ 369.968560][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.968973][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.969093][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.969292][ T43] task:kworker/u16:0 state:D stack:29080 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.969593][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.969776][ T43] Call Trace: [ 369.969892][ T43] [ 369.969962][ T43] __schedule+0xa19/0x1dc0 [ 369.970093][ T43] ? __pfx___schedule+0x10/0x10 [ 369.970215][ T43] ? __lock_release+0x103/0x460 [ 369.970339][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.970476][ T43] ? trace_lock_release+0x10e/0x180 [ 369.970599][ T43] schedule+0xdf/0x210 [ 369.970692][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.970812][ T43] __mutex_lock+0x634/0xac0 [ 369.970944][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.971065][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.971184][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.971310][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.971434][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.971548][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.971661][ T43] addrconf_verify_work+0x12/0x30 [ 369.971783][ T43] process_one_work+0xe55/0x16d0 [ 369.971906][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.972020][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.972137][ T43] ? assign_work+0x16c/0x240 [ 369.972253][ T43] worker_thread+0x58c/0xce0 [ 369.972379][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.972494][ T43] kthread+0x28a/0x350 [ 369.972584][ T43] ? __pfx_kthread+0x10/0x10 [ 369.972698][ T43] ret_from_fork+0x31/0x70 [ 369.972818][ T43] ? __pfx_kthread+0x10/0x10 [ 369.972934][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.973056][ T43] [ 369.973165][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.973299][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.973424][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.973646][ T43] task:ip state:D stack:25696 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 369.973884][ T43] Call Trace: [ 369.973979][ T43] [ 369.974042][ T43] __schedule+0xa19/0x1dc0 [ 369.974173][ T43] ? __pfx___schedule+0x10/0x10 [ 369.974289][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974413][ T43] ? trace_lock_release+0x10e/0x180 [ 369.974565][ T43] schedule+0xdf/0x210 [ 369.974660][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.974788][ T43] __mutex_lock+0x634/0xac0 [ 369.974912][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.975036][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.975170][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975300][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.975417][ T43] rtnl_newlink+0x64b/0xa30 [ 369.975538][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.975649][ T43] ? find_held_lock+0x2c/0x110 [ 369.975764][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.975884][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.975996][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.976115][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.976229][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.976343][ T43] ? hlock_class+0x4e/0x130 [ 369.976472][ T43] ? mark_lock+0x38/0x3e0 [ 369.976561][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.976675][ T43] netlink_rcv_skb+0x130/0x360 [ 369.976799][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.976913][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.977032][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.977148][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.977282][ T43] netlink_unicast+0x44b/0x710 [ 369.977424][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.977567][ T43] ? find_held_lock+0x2c/0x110 [ 369.977707][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.977845][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.977970][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.978094][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.978230][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.978390][ T43] ? hlock_class+0x4e/0x130 [ 369.978510][ T43] ? validate_chain+0x130/0x9b0 [ 369.978630][ T43] ___sys_sendmsg+0xee/0x170 [ 369.978752][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.978875][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.978996][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.979121][ T43] ? find_held_lock+0x2c/0x110 [ 369.979248][ T43] ? __lock_release+0x103/0x460 [ 369.979381][ T43] ? __might_fault+0x11b/0x170 [ 369.979502][ T43] ? fdget+0x52/0x1e0 [ 369.979597][ T43] ? lock_acquire+0x32/0xc0 [ 369.979719][ T43] __sys_sendmsg+0xcd/0x170 [ 369.979841][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.979963][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.980092][ T43] do_syscall_64+0xc1/0x1d0 [ 369.980215][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.980378][ T43] RIP: 0033:0x7fe954fbe7b7 [ 369.980520][ T43] RSP: 002b:00007ffec6aa25d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.980692][ T43] RAX: ffffffffffffffda RBX: 00007ffec6aa2d00 RCX: 00007fe954fbe7b7 [ 369.980871][ T43] RDX: 0000000000000000 RSI: 00007ffec6aa2640 RDI: 0000000000000005 [ 369.981040][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.981211][ T43] R10: 00007fe954e77708 R11: 0000000000000246 R12: 00007ffec6aa2d18 [ 369.981411][ T43] R13: 00000000672a3174 R14: 0000000000496600 R15: 00007ffec6aa2728 [ 369.981613][ T43] [ 369.981702][ T43] INFO: lockdep is turned off. HARD STOP (358.114371) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr