[ 27.567222][ T258] [ 27.567333][ T258] ===================================== [ 27.567483][ T258] WARNING: bad unlock balance detected! [ 27.567630][ T258] 6.12.0-rc5-virtme #1 Not tainted [ 27.567774][ T258] ------------------------------------- [ 27.567916][ T258] ip/258 is trying to release lock (rtnl_mutex) at: [ 27.568100][ T258] [] __rtnl_unlock+0x69/0xf0 [ 27.568291][ T258] but there are no more locks to release! [ 27.568433][ T258] [ 27.568433][ T258] other info that might help us debug this: [ 27.568641][ T258] no locks held by ip/258. [ 27.568793][ T258] [ 27.568793][ T258] stack backtrace: [ 27.568975][ T258] CPU: 3 UID: 0 PID: 258 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.569191][ T258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.569522][ T258] Call Trace: [ 27.569638][ T258] [ 27.569716][ T258] dump_stack_lvl+0x82/0xd0 [ 27.569869][ T258] ? __rtnl_unlock+0x69/0xf0 [ 27.570014][ T258] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.570162][ T258] __lock_release+0x2f7/0x460 [ 27.570305][ T258] ? __pfx___lock_release+0x10/0x10 [ 27.570450][ T258] ? __rtnl_unlock+0x69/0xf0 [ 27.570596][ T258] lock_release+0xd7/0x140 [ 27.570746][ T258] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.570895][ T258] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.571044][ T258] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.571224][ T258] ? rtnl_link_ops_get+0x187/0x220 [ 27.571375][ T258] __rtnl_unlock+0x69/0xf0 [ 27.571520][ T258] rtnl_newlink+0x7fd/0xa30 [ 27.571668][ T258] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.571811][ T258] ? find_held_lock+0x2c/0x110 [ 27.571960][ T258] ? __lock_release+0x103/0x460 [ 27.572106][ T258] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.572264][ T258] ? __pfx___lock_release+0x10/0x10 [ 27.572412][ T258] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.572555][ T258] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.572707][ T258] rtnetlink_rcv_msg+0x712/0xc10 [ 27.572852][ T258] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.572993][ T258] ? hlock_class+0x4e/0x130 [ 27.573135][ T258] ? mark_lock+0x38/0x3e0 [ 27.573247][ T258] ? __lock_acquire+0xb3f/0x1580 [ 27.573391][ T258] netlink_rcv_skb+0x130/0x360 [ 27.573541][ T258] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.573685][ T258] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.573832][ T258] ? netlink_deliver_tap+0x13e/0x340 [ 27.573983][ T258] ? netlink_deliver_tap+0xc3/0x340 [ 27.574131][ T258] netlink_unicast+0x44b/0x710 [ 27.574275][ T258] ? __pfx_netlink_unicast+0x10/0x10 [ 27.574420][ T258] ? find_held_lock+0x2c/0x110 [ 27.574566][ T258] netlink_sendmsg+0x723/0xbe0 [ 27.574715][ T258] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.574857][ T258] ____sys_sendmsg+0x7ac/0xa10 [ 27.575002][ T258] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.575145][ T258] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.575324][ T258] ? hlock_class+0x4e/0x130 [ 27.575467][ T258] ? validate_chain+0x130/0x9b0 [ 27.575610][ T258] ___sys_sendmsg+0xee/0x170 [ 27.575755][ T258] ? __pfx_validate_chain+0x10/0x10 [ 27.575899][ T258] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.576041][ T258] ? __lock_acquire+0xb3f/0x1580 [ 27.576187][ T258] ? find_held_lock+0x2c/0x110 [ 27.576334][ T258] ? __lock_release+0x103/0x460 [ 27.576477][ T258] ? __might_fault+0x11b/0x170 [ 27.576622][ T258] ? fdget+0x52/0x1e0 [ 27.576733][ T258] ? lock_acquire+0x32/0xc0 [ 27.576877][ T258] __sys_sendmsg+0xcd/0x170 [ 27.577022][ T258] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.577167][ T258] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.577318][ T258] do_syscall_64+0xc1/0x1d0 [ 27.577462][ T258] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.577641][ T258] RIP: 0033:0x7f4b9a7f07b7 [ 27.577788][ T258] 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 [ 27.578297][ T258] RSP: 002b:00007ffeb5045688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.578514][ T258] RAX: ffffffffffffffda RBX: 00007ffeb5045db0 RCX: 00007f4b9a7f07b7 [ 27.578730][ T258] RDX: 0000000000000000 RSI: 00007ffeb50456f0 RDI: 0000000000000005 [ 27.578947][ T258] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.579160][ T258] R10: 00007f4b9a6a9708 R11: 0000000000000246 R12: 00007ffeb5045dc8 [ 27.579376][ T258] R13: 00000000672a3168 R14: 0000000000496600 R15: 00007ffeb50457d8 [ 27.579594][ T258] [ 247.093516][ T43] INFO: task ip:258 blocked for more than 122 seconds. [ 247.094010][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.094115][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.094343][ T43] task:ip state:D stack:25792 pid:258 tgid:258 ppid:242 flags:0x00004002 [ 247.094570][ T43] Call Trace: [ 247.094655][ T43] [ 247.094714][ T43] __schedule+0xa19/0x1dc0 [ 247.094841][ T43] ? __pfx___schedule+0x10/0x10 [ 247.094953][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.095068][ T43] ? trace_lock_release+0x10e/0x180 [ 247.095176][ T43] schedule+0xdf/0x210 [ 247.095273][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.095409][ T43] __mutex_lock+0x634/0xac0 [ 247.095524][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.095638][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.095753][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.095872][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.095985][ T43] rtnl_newlink+0x64b/0xa30 [ 247.096099][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.096230][ T43] ? find_held_lock+0x2c/0x110 [ 247.096350][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.096467][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.096584][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.096691][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.096796][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.096902][ T43] ? hlock_class+0x4e/0x130 [ 247.097006][ T43] ? mark_lock+0x38/0x3e0 [ 247.097090][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.097197][ T43] netlink_rcv_skb+0x130/0x360 [ 247.097313][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.097416][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.097524][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.097631][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.097736][ T43] netlink_unicast+0x44b/0x710 [ 247.097845][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.097955][ T43] ? find_held_lock+0x2c/0x110 [ 247.098062][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.098167][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.098281][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.098392][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.098514][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.098652][ T43] ? hlock_class+0x4e/0x130 [ 247.098765][ T43] ? validate_chain+0x130/0x9b0 [ 247.098880][ T43] ___sys_sendmsg+0xee/0x170 [ 247.098991][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.099098][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.099211][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.099339][ T43] ? find_held_lock+0x2c/0x110 [ 247.099452][ T43] ? __lock_release+0x103/0x460 [ 247.099562][ T43] ? __might_fault+0x11b/0x170 [ 247.099675][ T43] ? fdget+0x52/0x1e0 [ 247.099762][ T43] ? lock_acquire+0x32/0xc0 [ 247.099879][ T43] __sys_sendmsg+0xcd/0x170 [ 247.099991][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.100117][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.100248][ T43] do_syscall_64+0xc1/0x1d0 [ 247.100370][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.100508][ T43] RIP: 0033:0x7f4b9a7f07b7 [ 247.100628][ T43] RSP: 002b:00007ffeb5045688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.100801][ T43] RAX: ffffffffffffffda RBX: 00007ffeb5045db0 RCX: 00007f4b9a7f07b7 [ 247.101005][ T43] RDX: 0000000000000000 RSI: 00007ffeb50456f0 RDI: 0000000000000005 [ 247.101173][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.101351][ T43] R10: 00007f4b9a6a9708 R11: 0000000000000246 R12: 00007ffeb5045dc8 [ 247.101518][ T43] R13: 00000000672a3168 R14: 0000000000496600 R15: 00007ffeb50457d8 [ 247.101699][ T43] [ 247.101788][ T43] INFO: lockdep is turned off. [ 369.973491][ T43] INFO: task kworker/u16:1:76 blocked for more than 122 seconds. [ 369.973931][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.974045][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.974239][ T43] task:kworker/u16:1 state:D stack:30248 pid:76 tgid:76 ppid:2 flags:0x00004000 [ 369.974567][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.974733][ T43] Call Trace: [ 369.974829][ T43] [ 369.974896][ T43] __schedule+0xa19/0x1dc0 [ 369.975031][ T43] ? __pfx___schedule+0x10/0x10 [ 369.975159][ T43] ? __lock_release+0x103/0x460 [ 369.975299][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975425][ T43] ? trace_lock_release+0x10e/0x180 [ 369.975546][ T43] schedule+0xdf/0x210 [ 369.975648][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.975760][ T43] __mutex_lock+0x634/0xac0 [ 369.975876][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.975991][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.976105][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.976218][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976338][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976453][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.976570][ T43] addrconf_verify_work+0x12/0x30 [ 369.976683][ T43] process_one_work+0xe55/0x16d0 [ 369.976803][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.976917][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.977036][ T43] ? assign_work+0x16c/0x240 [ 369.977154][ T43] worker_thread+0x58c/0xce0 [ 369.977272][ T43] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 369.977415][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.977531][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.977641][ T43] kthread+0x28a/0x350 [ 369.977731][ T43] ? __pfx_kthread+0x10/0x10 [ 369.977842][ T43] ret_from_fork+0x31/0x70 [ 369.977958][ T43] ? __pfx_kthread+0x10/0x10 [ 369.978078][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.978196][ T43] [ 369.978304][ T43] INFO: task ip:258 blocked for more than 245 seconds. [ 369.978463][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.978576][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.978769][ T43] task:ip state:D stack:25792 pid:258 tgid:258 ppid:242 flags:0x00004002 [ 369.979005][ T43] Call Trace: [ 369.979093][ T43] [ 369.979154][ T43] __schedule+0xa19/0x1dc0 [ 369.979282][ T43] ? __pfx___schedule+0x10/0x10 [ 369.979405][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.979528][ T43] ? trace_lock_release+0x10e/0x180 [ 369.979653][ T43] schedule+0xdf/0x210 [ 369.979738][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.979849][ T43] __mutex_lock+0x634/0xac0 [ 369.979963][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.980096][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.980226][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.980349][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.980465][ T43] rtnl_newlink+0x64b/0xa30 [ 369.980580][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.980692][ T43] ? find_held_lock+0x2c/0x110 [ 369.980810][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.980941][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.981060][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.981180][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.981305][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.981427][ T43] ? hlock_class+0x4e/0x130 [ 369.981544][ T43] ? mark_lock+0x38/0x3e0 [ 369.981637][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.981756][ T43] netlink_rcv_skb+0x130/0x360 [ 369.981878][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.981995][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.982130][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.982242][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.982375][ T43] netlink_unicast+0x44b/0x710 [ 369.982514][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.982634][ T43] ? find_held_lock+0x2c/0x110 [ 369.982760][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.982876][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.982996][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.983116][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.983235][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.983394][ T43] ? hlock_class+0x4e/0x130 [ 369.983511][ T43] ? validate_chain+0x130/0x9b0 [ 369.983629][ T43] ___sys_sendmsg+0xee/0x170 [ 369.983758][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.983873][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.983988][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.984103][ T43] ? find_held_lock+0x2c/0x110 [ 369.984219][ T43] ? __lock_release+0x103/0x460 [ 369.984343][ T43] ? __might_fault+0x11b/0x170 [ 369.984460][ T43] ? fdget+0x52/0x1e0 [ 369.984549][ T43] ? lock_acquire+0x32/0xc0 [ 369.984667][ T43] __sys_sendmsg+0xcd/0x170 [ 369.984779][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.984892][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.985012][ T43] do_syscall_64+0xc1/0x1d0 [ 369.985125][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.985291][ T43] RIP: 0033:0x7f4b9a7f07b7 [ 369.985413][ T43] RSP: 002b:00007ffeb5045688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.985579][ T43] RAX: ffffffffffffffda RBX: 00007ffeb5045db0 RCX: 00007f4b9a7f07b7 [ 369.985746][ T43] RDX: 0000000000000000 RSI: 00007ffeb50456f0 RDI: 0000000000000005 [ 369.985910][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.986073][ T43] R10: 00007f4b9a6a9708 R11: 0000000000000246 R12: 00007ffeb5045dc8 [ 369.986242][ T43] R13: 00000000672a3168 R14: 0000000000496600 R15: 00007ffeb50457d8 [ 369.986423][ T43] [ 369.986531][ T43] INFO: lockdep is turned off. HARD STOP (371.634282) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr