[ 27.471570][ T256] [ 27.471673][ T256] ===================================== [ 27.471802][ T256] WARNING: bad unlock balance detected! [ 27.471928][ T256] 6.12.0-rc5-virtme #1 Not tainted [ 27.472052][ T256] ------------------------------------- [ 27.472180][ T256] ip/256 is trying to release lock (rtnl_mutex) at: [ 27.472339][ T256] [] __rtnl_unlock+0x69/0xf0 [ 27.472501][ T256] but there are no more locks to release! [ 27.472623][ T256] [ 27.472623][ T256] other info that might help us debug this: [ 27.472811][ T256] no locks held by ip/256. [ 27.472941][ T256] [ 27.472941][ T256] stack backtrace: [ 27.473098][ T256] CPU: 3 UID: 0 PID: 256 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.473290][ T256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.473570][ T256] Call Trace: [ 27.473670][ T256] [ 27.473739][ T256] dump_stack_lvl+0x82/0xd0 [ 27.473878][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.474008][ T256] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.474139][ T256] __lock_release+0x2f7/0x460 [ 27.474270][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.474401][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.474529][ T256] lock_release+0xd7/0x140 [ 27.474656][ T256] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.474786][ T256] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.474915][ T256] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.475076][ T256] ? rtnl_link_ops_get+0x187/0x220 [ 27.475208][ T256] __rtnl_unlock+0x69/0xf0 [ 27.475337][ T256] rtnl_newlink+0x7fd/0xa30 [ 27.475472][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.475598][ T256] ? find_held_lock+0x2c/0x110 [ 27.475729][ T256] ? __lock_release+0x103/0x460 [ 27.475858][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.475986][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.476116][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.476244][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.476372][ T256] rtnetlink_rcv_msg+0x712/0xc10 [ 27.476500][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.476628][ T256] ? hlock_class+0x4e/0x130 [ 27.476757][ T256] ? mark_lock+0x38/0x3e0 [ 27.476856][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.476985][ T256] netlink_rcv_skb+0x130/0x360 [ 27.477117][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.477248][ T256] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.477382][ T256] ? netlink_deliver_tap+0x13e/0x340 [ 27.477510][ T256] ? netlink_deliver_tap+0xc3/0x340 [ 27.477640][ T256] netlink_unicast+0x44b/0x710 [ 27.477769][ T256] ? __pfx_netlink_unicast+0x10/0x10 [ 27.477903][ T256] ? find_held_lock+0x2c/0x110 [ 27.478033][ T256] netlink_sendmsg+0x723/0xbe0 [ 27.478161][ T256] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.478291][ T256] ____sys_sendmsg+0x7ac/0xa10 [ 27.478421][ T256] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.478546][ T256] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.478704][ T256] ? hlock_class+0x4e/0x130 [ 27.478832][ T256] ? validate_chain+0x130/0x9b0 [ 27.478967][ T256] ___sys_sendmsg+0xee/0x170 [ 27.479094][ T256] ? __pfx_validate_chain+0x10/0x10 [ 27.479218][ T256] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.479354][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.479486][ T256] ? find_held_lock+0x2c/0x110 [ 27.479612][ T256] ? __lock_release+0x103/0x460 [ 27.479738][ T256] ? __might_fault+0x11b/0x170 [ 27.479868][ T256] ? fdget+0x52/0x1e0 [ 27.479966][ T256] ? lock_acquire+0x32/0xc0 [ 27.480103][ T256] __sys_sendmsg+0xcd/0x170 [ 27.480229][ T256] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.480356][ T256] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.480493][ T256] do_syscall_64+0xc1/0x1d0 [ 27.480627][ T256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.480785][ T256] RIP: 0033:0x7f0fb69387b7 [ 27.480919][ 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 [ 27.481374][ T256] RSP: 002b:00007fffec640a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.481568][ T256] RAX: ffffffffffffffda RBX: 00007fffec641150 RCX: 00007f0fb69387b7 [ 27.481759][ T256] RDX: 0000000000000000 RSI: 00007fffec640a90 RDI: 0000000000000005 [ 27.481949][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.482153][ T256] R10: 00007f0fb67f1708 R11: 0000000000000246 R12: 00007fffec641168 [ 27.482349][ T256] R13: 00000000672a316f R14: 0000000000496600 R15: 00007fffec640b78 [ 27.482543][ T256] [ 247.087564][ T43] INFO: task ip:256 blocked for more than 122 seconds. [ 247.088048][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.088201][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.088477][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:242 flags:0x00004002 [ 247.088774][ T43] Call Trace: [ 247.088879][ T43] [ 247.088957][ T43] __schedule+0xa19/0x1dc0 [ 247.089114][ T43] ? __pfx___schedule+0x10/0x10 [ 247.089272][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.089419][ T43] ? trace_lock_release+0x10e/0x180 [ 247.089552][ T43] schedule+0xdf/0x210 [ 247.089656][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.089791][ T43] __mutex_lock+0x634/0xac0 [ 247.089937][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.090079][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.090219][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.090363][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.090496][ T43] rtnl_newlink+0x64b/0xa30 [ 247.090665][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.090799][ T43] ? find_held_lock+0x2c/0x110 [ 247.090935][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.091073][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.091204][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.091347][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.091485][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.091618][ T43] ? hlock_class+0x4e/0x130 [ 247.091760][ T43] ? mark_lock+0x38/0x3e0 [ 247.091861][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.092000][ T43] netlink_rcv_skb+0x130/0x360 [ 247.092139][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.092284][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.092427][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.092561][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.092697][ T43] netlink_unicast+0x44b/0x710 [ 247.092835][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.092967][ T43] ? find_held_lock+0x2c/0x110 [ 247.093101][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.093248][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.093381][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.093515][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.093651][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.093821][ T43] ? hlock_class+0x4e/0x130 [ 247.093959][ T43] ? validate_chain+0x130/0x9b0 [ 247.094125][ T43] ___sys_sendmsg+0xee/0x170 [ 247.094270][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.094425][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.094564][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.094712][ T43] ? find_held_lock+0x2c/0x110 [ 247.094848][ T43] ? __lock_release+0x103/0x460 [ 247.094985][ T43] ? __might_fault+0x11b/0x170 [ 247.095127][ T43] ? fdget+0x52/0x1e0 [ 247.095253][ T43] ? lock_acquire+0x32/0xc0 [ 247.095423][ T43] __sys_sendmsg+0xcd/0x170 [ 247.095562][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.095709][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.095855][ T43] do_syscall_64+0xc1/0x1d0 [ 247.095998][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.096185][ T43] RIP: 0033:0x7f0fb69387b7 [ 247.096345][ T43] RSP: 002b:00007fffec640a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.096564][ T43] RAX: ffffffffffffffda RBX: 00007fffec641150 RCX: 00007f0fb69387b7 [ 247.096773][ T43] RDX: 0000000000000000 RSI: 00007fffec640a90 RDI: 0000000000000005 [ 247.096986][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.097207][ T43] R10: 00007f0fb67f1708 R11: 0000000000000246 R12: 00007fffec641168 [ 247.097412][ T43] R13: 00000000672a316f R14: 0000000000496600 R15: 00007fffec640b78 [ 247.097632][ T43] [ 247.097737][ T43] INFO: lockdep is turned off. [ 369.967373][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.967827][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.968013][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.968301][ T43] task:kworker/u16:0 state:D stack:29584 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.968620][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.968812][ T43] Call Trace: [ 369.968918][ T43] [ 369.969002][ T43] __schedule+0xa19/0x1dc0 [ 369.969148][ T43] ? __pfx___schedule+0x10/0x10 [ 369.969311][ T43] ? __lock_release+0x103/0x460 [ 369.969451][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.969602][ T43] ? trace_lock_release+0x10e/0x180 [ 369.969739][ T43] schedule+0xdf/0x210 [ 369.969841][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.969972][ T43] __mutex_lock+0x634/0xac0 [ 369.970105][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.970249][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.970382][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.970517][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.970647][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.970787][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.970920][ T43] addrconf_verify_work+0x12/0x30 [ 369.971067][ T43] process_one_work+0xe55/0x16d0 [ 369.971226][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.971375][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.971518][ T43] ? assign_work+0x16c/0x240 [ 369.971658][ T43] worker_thread+0x58c/0xce0 [ 369.971798][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.971931][ T43] kthread+0x28a/0x350 [ 369.972037][ T43] ? __pfx_kthread+0x10/0x10 [ 369.972174][ T43] ret_from_fork+0x31/0x70 [ 369.972342][ T43] ? __pfx_kthread+0x10/0x10 [ 369.972502][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.972641][ T43] [ 369.972779][ T43] INFO: task ip:256 blocked for more than 245 seconds. [ 369.972945][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.973071][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.973313][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:242 flags:0x00004002 [ 369.973586][ T43] Call Trace: [ 369.973690][ T43] [ 369.973766][ T43] __schedule+0xa19/0x1dc0 [ 369.973904][ T43] ? __pfx___schedule+0x10/0x10 [ 369.974048][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974183][ T43] ? trace_lock_release+0x10e/0x180 [ 369.974325][ T43] schedule+0xdf/0x210 [ 369.974432][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.974574][ T43] __mutex_lock+0x634/0xac0 [ 369.974709][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.974842][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.974982][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975115][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.975256][ T43] rtnl_newlink+0x64b/0xa30 [ 369.975390][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.975530][ T43] ? find_held_lock+0x2c/0x110 [ 369.975664][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.975798][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.975930][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.976075][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.976208][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.976351][ T43] ? hlock_class+0x4e/0x130 [ 369.976502][ T43] ? mark_lock+0x38/0x3e0 [ 369.976600][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.976733][ T43] netlink_rcv_skb+0x130/0x360 [ 369.976867][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.977002][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.977154][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.977294][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.977424][ T43] netlink_unicast+0x44b/0x710 [ 369.977556][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.977684][ T43] ? find_held_lock+0x2c/0x110 [ 369.977816][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.977953][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.978088][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.978227][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.978364][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.978532][ T43] ? hlock_class+0x4e/0x130 [ 369.978664][ T43] ? validate_chain+0x130/0x9b0 [ 369.978801][ T43] ___sys_sendmsg+0xee/0x170 [ 369.978937][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.979073][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.979205][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.979349][ T43] ? find_held_lock+0x2c/0x110 [ 369.979480][ T43] ? __lock_release+0x103/0x460 [ 369.979615][ T43] ? __might_fault+0x11b/0x170 [ 369.979751][ T43] ? fdget+0x52/0x1e0 [ 369.979870][ T43] ? lock_acquire+0x32/0xc0 [ 369.980000][ T43] __sys_sendmsg+0xcd/0x170 [ 369.980133][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.980282][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.980436][ T43] do_syscall_64+0xc1/0x1d0 [ 369.980574][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.980738][ T43] RIP: 0033:0x7f0fb69387b7 [ 369.980876][ T43] RSP: 002b:00007fffec640a28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.981075][ T43] RAX: ffffffffffffffda RBX: 00007fffec641150 RCX: 00007f0fb69387b7 [ 369.981278][ T43] RDX: 0000000000000000 RSI: 00007fffec640a90 RDI: 0000000000000005 [ 369.981477][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.981675][ T43] R10: 00007f0fb67f1708 R11: 0000000000000246 R12: 00007fffec641168 [ 369.981873][ T43] R13: 00000000672a316f R14: 0000000000496600 R15: 00007fffec640b78 [ 369.982070][ T43] [ 369.982167][ T43] INFO: lockdep is turned off. HARD STOP (364.744274) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr