[ 26.692422][ T257] [ 26.692516][ T257] ===================================== [ 26.692642][ T257] WARNING: bad unlock balance detected! [ 26.692771][ T257] 6.12.0-rc5-virtme #1 Not tainted [ 26.692895][ T257] ------------------------------------- [ 26.693017][ T257] ip/257 is trying to release lock (rtnl_mutex) at: [ 26.693183][ T257] [] __rtnl_unlock+0x69/0xf0 [ 26.693365][ T257] but there are no more locks to release! [ 26.693488][ T257] [ 26.693488][ T257] other info that might help us debug this: [ 26.693670][ T257] no locks held by ip/257. [ 26.693810][ T257] [ 26.693810][ T257] stack backtrace: [ 26.693970][ T257] CPU: 0 UID: 0 PID: 257 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 26.694158][ T257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.694455][ T257] Call Trace: [ 26.694555][ T257] [ 26.694621][ T257] dump_stack_lvl+0x82/0xd0 [ 26.694774][ T257] ? __rtnl_unlock+0x69/0xf0 [ 26.694918][ T257] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 26.695062][ T257] __lock_release+0x2f7/0x460 [ 26.695209][ T257] ? __pfx___lock_release+0x10/0x10 [ 26.695355][ T257] ? __rtnl_unlock+0x69/0xf0 [ 26.695509][ T257] lock_release+0xd7/0x140 [ 26.695639][ T257] __mutex_unlock_slowpath+0x8f/0x3b0 [ 26.695769][ T257] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 26.695918][ T257] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 26.696090][ T257] ? rtnl_link_ops_get+0x187/0x220 [ 26.696221][ T257] __rtnl_unlock+0x69/0xf0 [ 26.696378][ T257] rtnl_newlink+0x7fd/0xa30 [ 26.696506][ T257] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.696670][ T257] ? find_held_lock+0x2c/0x110 [ 26.696808][ T257] ? __lock_release+0x103/0x460 [ 26.696948][ T257] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.697096][ T257] ? __pfx___lock_release+0x10/0x10 [ 26.697234][ T257] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.697399][ T257] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.697534][ T257] rtnetlink_rcv_msg+0x712/0xc10 [ 26.697702][ T257] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.697852][ T257] ? hlock_class+0x4e/0x130 [ 26.697998][ T257] ? mark_lock+0x38/0x3e0 [ 26.698096][ T257] ? __lock_acquire+0xb3f/0x1580 [ 26.698245][ T257] netlink_rcv_skb+0x130/0x360 [ 26.698404][ T257] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.698540][ T257] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 26.698694][ T257] ? netlink_deliver_tap+0x13e/0x340 [ 26.698836][ T257] ? netlink_deliver_tap+0xc3/0x340 [ 26.698964][ T257] netlink_unicast+0x44b/0x710 [ 26.699126][ T257] ? __pfx_netlink_unicast+0x10/0x10 [ 26.699253][ T257] ? find_held_lock+0x2c/0x110 [ 26.699414][ T257] netlink_sendmsg+0x723/0xbe0 [ 26.699553][ T257] ? __pfx_netlink_sendmsg+0x10/0x10 [ 26.699700][ T257] ____sys_sendmsg+0x7ac/0xa10 [ 26.699833][ T257] ? __pfx_____sys_sendmsg+0x10/0x10 [ 26.699958][ T257] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 26.700113][ T257] ? hlock_class+0x4e/0x130 [ 26.700240][ T257] ? validate_chain+0x130/0x9b0 [ 26.700383][ T257] ___sys_sendmsg+0xee/0x170 [ 26.700514][ T257] ? __pfx_validate_chain+0x10/0x10 [ 26.700639][ T257] ? __pfx____sys_sendmsg+0x10/0x10 [ 26.700774][ T257] ? __lock_acquire+0xb3f/0x1580 [ 26.700910][ T257] ? find_held_lock+0x2c/0x110 [ 26.701038][ T257] ? __lock_release+0x103/0x460 [ 26.701161][ T257] ? __might_fault+0x11b/0x170 [ 26.701304][ T257] ? fdget+0x52/0x1e0 [ 26.701409][ T257] ? lock_acquire+0x32/0xc0 [ 26.701538][ T257] __sys_sendmsg+0xcd/0x170 [ 26.701680][ T257] ? __pfx___sys_sendmsg+0x10/0x10 [ 26.701805][ T257] ? rseq_update_cpu_node_id+0xe6/0x140 [ 26.701961][ T257] do_syscall_64+0xc1/0x1d0 [ 26.702091][ T257] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.702293][ T257] RIP: 0033:0x7fe69a5db7b7 [ 26.702435][ T257] 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 [ 26.702934][ T257] RSP: 002b:00007ffe0b636888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.703163][ T257] RAX: ffffffffffffffda RBX: 00007ffe0b636fb0 RCX: 00007fe69a5db7b7 [ 26.703381][ T257] RDX: 0000000000000000 RSI: 00007ffe0b6368f0 RDI: 0000000000000005 [ 26.703589][ T257] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 26.703789][ T257] R10: 00007fe69a494708 R11: 0000000000000246 R12: 00007ffe0b636fc8 [ 26.703976][ T257] R13: 000000006729dcdf R14: 0000000000496600 R15: 00007ffe0b6369d8 [ 26.704183][ T257] [ 247.090650][ T43] INFO: task ip:257 blocked for more than 122 seconds. [ 247.090962][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.091090][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.091290][ T43] task:ip state:D stack:25792 pid:257 tgid:257 ppid:242 flags:0x00004002 [ 247.091550][ T43] Call Trace: [ 247.091642][ T43] [ 247.091712][ T43] __schedule+0xa19/0x1dc0 [ 247.091842][ T43] ? __pfx___schedule+0x10/0x10 [ 247.091984][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.092105][ T43] ? trace_lock_release+0x10e/0x180 [ 247.092223][ T43] schedule+0xdf/0x210 [ 247.092312][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.092431][ T43] __mutex_lock+0x634/0xac0 [ 247.092556][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.092678][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.092799][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.092932][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.093056][ T43] rtnl_newlink+0x64b/0xa30 [ 247.093173][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.093286][ T43] ? find_held_lock+0x2c/0x110 [ 247.093401][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.093522][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.093637][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.093750][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.093865][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.093980][ T43] ? hlock_class+0x4e/0x130 [ 247.094097][ T43] ? mark_lock+0x38/0x3e0 [ 247.094183][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.094296][ T43] netlink_rcv_skb+0x130/0x360 [ 247.094413][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.094532][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.094651][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.094763][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.094879][ T43] netlink_unicast+0x44b/0x710 [ 247.094994][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.095109][ T43] ? find_held_lock+0x2c/0x110 [ 247.095223][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.095341][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.095458][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.095581][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.095694][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.095844][ T43] ? hlock_class+0x4e/0x130 [ 247.095957][ T43] ? validate_chain+0x130/0x9b0 [ 247.096074][ T43] ___sys_sendmsg+0xee/0x170 [ 247.096187][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.096300][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.096414][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.096537][ T43] ? find_held_lock+0x2c/0x110 [ 247.096655][ T43] ? __lock_release+0x103/0x460 [ 247.096773][ T43] ? __might_fault+0x11b/0x170 [ 247.096889][ T43] ? fdget+0x52/0x1e0 [ 247.096977][ T43] ? lock_acquire+0x32/0xc0 [ 247.097094][ T43] __sys_sendmsg+0xcd/0x170 [ 247.097228][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.097342][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.097465][ T43] do_syscall_64+0xc1/0x1d0 [ 247.097589][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.097741][ T43] RIP: 0033:0x7fe69a5db7b7 [ 247.097874][ T43] RSP: 002b:00007ffe0b636888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.098047][ T43] RAX: ffffffffffffffda RBX: 00007ffe0b636fb0 RCX: 00007fe69a5db7b7 [ 247.098218][ T43] RDX: 0000000000000000 RSI: 00007ffe0b6368f0 RDI: 0000000000000005 [ 247.098390][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.098570][ T43] R10: 00007fe69a494708 R11: 0000000000000246 R12: 00007ffe0b636fc8 [ 247.098778][ T43] R13: 000000006729dcdf R14: 0000000000496600 R15: 00007ffe0b6369d8 [ 247.098955][ T43] [ 247.099043][ T43] INFO: lockdep is turned off. [ 369.970673][ T43] INFO: task kworker/u16:1:75 blocked for more than 122 seconds. [ 369.971217][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.971338][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.971566][ T43] task:kworker/u16:1 state:D stack:29672 pid:75 tgid:75 ppid:2 flags:0x00004000 [ 369.971831][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.971989][ T43] Call Trace: [ 369.972077][ T43] [ 369.972141][ T43] __schedule+0xa19/0x1dc0 [ 369.972265][ T43] ? __pfx___schedule+0x10/0x10 [ 369.972383][ T43] ? __lock_release+0x103/0x460 [ 369.972516][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.972636][ T43] ? trace_lock_release+0x10e/0x180 [ 369.972754][ T43] schedule+0xdf/0x210 [ 369.972845][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.972961][ T43] __mutex_lock+0x634/0xac0 [ 369.973079][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.973196][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.973313][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.973434][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.973553][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.973670][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.973786][ T43] addrconf_verify_work+0x12/0x30 [ 369.973901][ T43] process_one_work+0xe55/0x16d0 [ 369.974019][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.974134][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.974250][ T43] ? assign_work+0x16c/0x240 [ 369.974372][ T43] worker_thread+0x58c/0xce0 [ 369.974495][ T43] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 369.974637][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.974771][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.974891][ T43] kthread+0x28a/0x350 [ 369.974984][ T43] ? __pfx_kthread+0x10/0x10 [ 369.975101][ T43] ret_from_fork+0x31/0x70 [ 369.975223][ T43] ? __pfx_kthread+0x10/0x10 [ 369.975346][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.975469][ T43] [ 369.975579][ T43] INFO: task ip:257 blocked for more than 245 seconds. [ 369.975720][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.975834][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.976026][ T43] task:ip state:D stack:25792 pid:257 tgid:257 ppid:242 flags:0x00004002 [ 369.976265][ T43] Call Trace: [ 369.976355][ T43] [ 369.976417][ T43] __schedule+0xa19/0x1dc0 [ 369.976554][ T43] ? __pfx___schedule+0x10/0x10 [ 369.976670][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976788][ T43] ? trace_lock_release+0x10e/0x180 [ 369.976907][ T43] schedule+0xdf/0x210 [ 369.976995][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.977111][ T43] __mutex_lock+0x634/0xac0 [ 369.977230][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.977348][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.977466][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.977594][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.977710][ T43] rtnl_newlink+0x64b/0xa30 [ 369.977827][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.977944][ T43] ? find_held_lock+0x2c/0x110 [ 369.978060][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.978176][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.978296][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.978413][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.978538][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.978651][ T43] ? hlock_class+0x4e/0x130 [ 369.978768][ T43] ? mark_lock+0x38/0x3e0 [ 369.978860][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.978976][ T43] netlink_rcv_skb+0x130/0x360 [ 369.979094][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.979215][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.979335][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.979452][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.979581][ T43] netlink_unicast+0x44b/0x710 [ 369.979699][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.979835][ T43] ? find_held_lock+0x2c/0x110 [ 369.979957][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.980077][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.980201][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.980318][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.980437][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.980588][ T43] ? hlock_class+0x4e/0x130 [ 369.980707][ T43] ? validate_chain+0x130/0x9b0 [ 369.980826][ T43] ___sys_sendmsg+0xee/0x170 [ 369.980959][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.981073][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.981214][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.981333][ T43] ? find_held_lock+0x2c/0x110 [ 369.981452][ T43] ? __lock_release+0x103/0x460 [ 369.981573][ T43] ? __might_fault+0x11b/0x170 [ 369.981693][ T43] ? fdget+0x52/0x1e0 [ 369.981782][ T43] ? lock_acquire+0x32/0xc0 [ 369.981897][ T43] __sys_sendmsg+0xcd/0x170 [ 369.982014][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.982129][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.982255][ T43] do_syscall_64+0xc1/0x1d0 [ 369.982375][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.982531][ T43] RIP: 0033:0x7fe69a5db7b7 [ 369.982650][ T43] RSP: 002b:00007ffe0b636888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.982824][ T43] RAX: ffffffffffffffda RBX: 00007ffe0b636fb0 RCX: 00007fe69a5db7b7 [ 369.983000][ T43] RDX: 0000000000000000 RSI: 00007ffe0b6368f0 RDI: 0000000000000005 [ 369.983175][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.983344][ T43] R10: 00007fe69a494708 R11: 0000000000000246 R12: 00007ffe0b636fc8 [ 369.983525][ T43] R13: 000000006729dcdf R14: 0000000000496600 R15: 00007ffe0b6369d8 [ 369.983700][ T43] [ 369.983786][ T43] INFO: lockdep is turned off. HARD STOP (411.048162) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr