[ 27.097091][ T256] [ 27.097193][ T256] ===================================== [ 27.097322][ T256] WARNING: bad unlock balance detected! [ 27.097479][ T256] 6.12.0-rc5-virtme #1 Not tainted [ 27.097606][ T256] ------------------------------------- [ 27.097742][ T256] ip/256 is trying to release lock (rtnl_mutex) at: [ 27.097931][ T256] [] __rtnl_unlock+0x69/0xf0 [ 27.098094][ T256] but there are no more locks to release! [ 27.098235][ T256] [ 27.098235][ T256] other info that might help us debug this: [ 27.098420][ T256] no locks held by ip/256. [ 27.098555][ T256] [ 27.098555][ T256] stack backtrace: [ 27.098713][ T256] CPU: 0 UID: 0 PID: 256 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.098932][ T256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.099242][ T256] Call Trace: [ 27.099344][ T256] [ 27.099411][ T256] dump_stack_lvl+0x82/0xd0 [ 27.099550][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.099702][ T256] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.099837][ T256] __lock_release+0x2f7/0x460 [ 27.099980][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.100110][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.100262][ T256] lock_release+0xd7/0x140 [ 27.100389][ T256] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.100538][ T256] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.100691][ T256] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.100852][ T256] ? rtnl_link_ops_get+0x187/0x220 [ 27.100982][ T256] __rtnl_unlock+0x69/0xf0 [ 27.101111][ T256] rtnl_newlink+0x7fd/0xa30 [ 27.101240][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.101375][ T256] ? find_held_lock+0x2c/0x110 [ 27.101506][ T256] ? __lock_release+0x103/0x460 [ 27.101631][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.101756][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.101889][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.102040][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.102167][ T256] rtnetlink_rcv_msg+0x712/0xc10 [ 27.102295][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.102422][ T256] ? hlock_class+0x4e/0x130 [ 27.102557][ T256] ? mark_lock+0x38/0x3e0 [ 27.102655][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.102795][ T256] netlink_rcv_skb+0x130/0x360 [ 27.102943][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.103071][ T256] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.103212][ T256] ? netlink_deliver_tap+0x13e/0x340 [ 27.103365][ T256] ? netlink_deliver_tap+0xc3/0x340 [ 27.103495][ T256] netlink_unicast+0x44b/0x710 [ 27.103628][ T256] ? __pfx_netlink_unicast+0x10/0x10 [ 27.103770][ T256] ? find_held_lock+0x2c/0x110 [ 27.103897][ T256] netlink_sendmsg+0x723/0xbe0 [ 27.104035][ T256] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.104165][ T256] ____sys_sendmsg+0x7ac/0xa10 [ 27.104300][ T256] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.104438][ T256] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.104601][ T256] ? hlock_class+0x4e/0x130 [ 27.104750][ T256] ? validate_chain+0x130/0x9b0 [ 27.104878][ T256] ___sys_sendmsg+0xee/0x170 [ 27.105005][ T256] ? __pfx_validate_chain+0x10/0x10 [ 27.105145][ T256] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.105273][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.105413][ T256] ? find_held_lock+0x2c/0x110 [ 27.105539][ T256] ? __lock_release+0x103/0x460 [ 27.105685][ T256] ? __might_fault+0x11b/0x170 [ 27.105815][ T256] ? fdget+0x52/0x1e0 [ 27.105911][ T256] ? lock_acquire+0x32/0xc0 [ 27.106048][ T256] __sys_sendmsg+0xcd/0x170 [ 27.106198][ T256] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.106322][ T256] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.106458][ T256] do_syscall_64+0xc1/0x1d0 [ 27.106600][ T256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.106762][ T256] RIP: 0033:0x7fe98162f7b7 [ 27.106903][ 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 [ 27.107372][ T256] RSP: 002b:00007fffe27a9b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.107597][ T256] RAX: ffffffffffffffda RBX: 00007fffe27aa2c0 RCX: 00007fe98162f7b7 [ 27.107790][ T256] RDX: 0000000000000000 RSI: 00007fffe27a9c00 RDI: 0000000000000005 [ 27.108001][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.108191][ T256] R10: 00007fe9814e8708 R11: 0000000000000246 R12: 00007fffe27aa2d8 [ 27.108385][ T256] R13: 00000000672a0740 R14: 0000000000496600 R15: 00007fffe27a9ce8 [ 27.108592][ T256] [ 247.092636][ T43] INFO: task ip:256 blocked for more than 122 seconds. [ 247.092997][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.093125][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.093344][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 247.093617][ T43] Call Trace: [ 247.093713][ T43] [ 247.093785][ T43] __schedule+0xa19/0x1dc0 [ 247.093927][ T43] ? __pfx___schedule+0x10/0x10 [ 247.094056][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.094184][ T43] ? trace_lock_release+0x10e/0x180 [ 247.094308][ T43] schedule+0xdf/0x210 [ 247.094400][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.094531][ T43] __mutex_lock+0x634/0xac0 [ 247.094650][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.094774][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.094892][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.095017][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.095137][ T43] rtnl_newlink+0x64b/0xa30 [ 247.095255][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.095383][ T43] ? find_held_lock+0x2c/0x110 [ 247.095508][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.095629][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.095745][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.095859][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.095973][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.096090][ T43] ? hlock_class+0x4e/0x130 [ 247.096203][ T43] ? mark_lock+0x38/0x3e0 [ 247.096297][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.096414][ T43] netlink_rcv_skb+0x130/0x360 [ 247.096539][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.096658][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.096776][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.096892][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.097007][ T43] netlink_unicast+0x44b/0x710 [ 247.097127][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.097250][ T43] ? find_held_lock+0x2c/0x110 [ 247.097372][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.097493][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.097614][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.097735][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.097850][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.097995][ T43] ? hlock_class+0x4e/0x130 [ 247.098117][ T43] ? validate_chain+0x130/0x9b0 [ 247.098241][ T43] ___sys_sendmsg+0xee/0x170 [ 247.098359][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.098491][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.098617][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.098735][ T43] ? find_held_lock+0x2c/0x110 [ 247.098850][ T43] ? __lock_release+0x103/0x460 [ 247.098964][ T43] ? __might_fault+0x11b/0x170 [ 247.099084][ T43] ? fdget+0x52/0x1e0 [ 247.099177][ T43] ? lock_acquire+0x32/0xc0 [ 247.099298][ T43] __sys_sendmsg+0xcd/0x170 [ 247.099416][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.099542][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.099673][ T43] do_syscall_64+0xc1/0x1d0 [ 247.099800][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.099946][ T43] RIP: 0033:0x7fe98162f7b7 [ 247.100080][ T43] RSP: 002b:00007fffe27a9b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.100264][ T43] RAX: ffffffffffffffda RBX: 00007fffe27aa2c0 RCX: 00007fe98162f7b7 [ 247.100438][ T43] RDX: 0000000000000000 RSI: 00007fffe27a9c00 RDI: 0000000000000005 [ 247.100619][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.100793][ T43] R10: 00007fe9814e8708 R11: 0000000000000246 R12: 00007fffe27aa2d8 [ 247.100961][ T43] R13: 00000000672a0740 R14: 0000000000496600 R15: 00007fffe27a9ce8 [ 247.101141][ T43] [ 247.101235][ T43] INFO: lockdep is turned off. [ 369.972662][ T43] INFO: task kworker/u16:1:75 blocked for more than 122 seconds. [ 369.973211][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.973324][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.973544][ T43] task:kworker/u16:1 state:D stack:30248 pid:75 tgid:75 ppid:2 flags:0x00004000 [ 369.973829][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.973994][ T43] Call Trace: [ 369.974088][ T43] [ 369.974154][ T43] __schedule+0xa19/0x1dc0 [ 369.974291][ T43] ? __pfx___schedule+0x10/0x10 [ 369.974410][ T43] ? __lock_release+0x103/0x460 [ 369.974542][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974664][ T43] ? trace_lock_release+0x10e/0x180 [ 369.974786][ T43] schedule+0xdf/0x210 [ 369.974877][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.974992][ T43] __mutex_lock+0x634/0xac0 [ 369.975109][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.975231][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.975347][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.975473][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975590][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975725][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.975844][ T43] addrconf_verify_work+0x12/0x30 [ 369.975961][ T43] process_one_work+0xe55/0x16d0 [ 369.976083][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.976195][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.976317][ T43] ? assign_work+0x16c/0x240 [ 369.976437][ T43] worker_thread+0x58c/0xce0 [ 369.976561][ T43] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 369.976707][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.976826][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.976937][ T43] kthread+0x28a/0x350 [ 369.977026][ T43] ? __pfx_kthread+0x10/0x10 [ 369.977138][ T43] ret_from_fork+0x31/0x70 [ 369.977257][ T43] ? __pfx_kthread+0x10/0x10 [ 369.977371][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.977509][ T43] [ 369.977605][ T43] INFO: task ip:256 blocked for more than 245 seconds. [ 369.977744][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.977853][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.978042][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 369.978275][ T43] Call Trace: [ 369.978359][ T43] [ 369.978418][ T43] __schedule+0xa19/0x1dc0 [ 369.978542][ T43] ? __pfx___schedule+0x10/0x10 [ 369.978663][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.978782][ T43] ? trace_lock_release+0x10e/0x180 [ 369.978895][ T43] schedule+0xdf/0x210 [ 369.978979][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.979093][ T43] __mutex_lock+0x634/0xac0 [ 369.979214][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.979340][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.979462][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.979581][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.979691][ T43] rtnl_newlink+0x64b/0xa30 [ 369.979810][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.979922][ T43] ? find_held_lock+0x2c/0x110 [ 369.980040][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.980153][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.980267][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.980381][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.980503][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.980623][ T43] ? hlock_class+0x4e/0x130 [ 369.980739][ T43] ? mark_lock+0x38/0x3e0 [ 369.980826][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.980942][ T43] netlink_rcv_skb+0x130/0x360 [ 369.981057][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.981169][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.981289][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.981403][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.981538][ T43] netlink_unicast+0x44b/0x710 [ 369.981656][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.981774][ T43] ? find_held_lock+0x2c/0x110 [ 369.981890][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.982006][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.982120][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.982241][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.982352][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.982503][ T43] ? hlock_class+0x4e/0x130 [ 369.982618][ T43] ? validate_chain+0x130/0x9b0 [ 369.982735][ T43] ___sys_sendmsg+0xee/0x170 [ 369.982850][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.982962][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.983079][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.983200][ T43] ? find_held_lock+0x2c/0x110 [ 369.983312][ T43] ? __lock_release+0x103/0x460 [ 369.983429][ T43] ? __might_fault+0x11b/0x170 [ 369.983551][ T43] ? fdget+0x52/0x1e0 [ 369.983639][ T43] ? lock_acquire+0x32/0xc0 [ 369.983758][ T43] __sys_sendmsg+0xcd/0x170 [ 369.983873][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.983987][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.984108][ T43] do_syscall_64+0xc1/0x1d0 [ 369.984230][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.984377][ T43] RIP: 0033:0x7fe98162f7b7 [ 369.984508][ T43] RSP: 002b:00007fffe27a9b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.984678][ T43] RAX: ffffffffffffffda RBX: 00007fffe27aa2c0 RCX: 00007fe98162f7b7 [ 369.984850][ T43] RDX: 0000000000000000 RSI: 00007fffe27a9c00 RDI: 0000000000000005 [ 369.985017][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.985188][ T43] R10: 00007fe9814e8708 R11: 0000000000000246 R12: 00007fffe27aa2d8 [ 369.985362][ T43] R13: 00000000672a0740 R14: 0000000000496600 R15: 00007fffe27a9ce8 [ 369.985549][ T43] [ 369.985635][ T43] INFO: lockdep is turned off. HARD STOP (356.280686) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr