[ 28.040467][ T255] [ 28.040570][ T255] ===================================== [ 28.040705][ T255] WARNING: bad unlock balance detected! [ 28.040840][ T255] 6.12.0-rc5-virtme #1 Not tainted [ 28.040976][ T255] ------------------------------------- [ 28.041112][ T255] ip/255 is trying to release lock (rtnl_mutex) at: [ 28.041282][ T255] [] __rtnl_unlock+0x69/0xf0 [ 28.041456][ T255] but there are no more locks to release! [ 28.041604][ T255] [ 28.041604][ T255] other info that might help us debug this: [ 28.041802][ T255] no locks held by ip/255. [ 28.041938][ T255] [ 28.041938][ T255] stack backtrace: [ 28.042106][ T255] CPU: 0 UID: 0 PID: 255 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 28.042311][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.042615][ T255] Call Trace: [ 28.042725][ T255] [ 28.042795][ T255] dump_stack_lvl+0x82/0xd0 [ 28.042938][ T255] ? __rtnl_unlock+0x69/0xf0 [ 28.043073][ T255] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 28.043212][ T255] __lock_release+0x2f7/0x460 [ 28.043347][ T255] ? __pfx___lock_release+0x10/0x10 [ 28.043483][ T255] ? __rtnl_unlock+0x69/0xf0 [ 28.043618][ T255] lock_release+0xd7/0x140 [ 28.043753][ T255] __mutex_unlock_slowpath+0x8f/0x3b0 [ 28.043889][ T255] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 28.044025][ T255] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 28.044199][ T255] ? rtnl_link_ops_get+0x187/0x220 [ 28.044340][ T255] __rtnl_unlock+0x69/0xf0 [ 28.044473][ T255] rtnl_newlink+0x7fd/0xa30 [ 28.044606][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 28.044744][ T255] ? find_held_lock+0x2c/0x110 [ 28.044884][ T255] ? __lock_release+0x103/0x460 [ 28.045021][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 28.045157][ T255] ? __pfx___lock_release+0x10/0x10 [ 28.045295][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 28.045431][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 28.045565][ T255] rtnetlink_rcv_msg+0x712/0xc10 [ 28.045710][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 28.045846][ T255] ? hlock_class+0x4e/0x130 [ 28.045979][ T255] ? mark_lock+0x38/0x3e0 [ 28.046083][ T255] ? __lock_acquire+0xb3f/0x1580 [ 28.046217][ T255] netlink_rcv_skb+0x130/0x360 [ 28.046352][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 28.046486][ T255] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 28.046626][ T255] ? netlink_deliver_tap+0x13e/0x340 [ 28.046782][ T255] ? netlink_deliver_tap+0xc3/0x340 [ 28.046916][ T255] netlink_unicast+0x44b/0x710 [ 28.047053][ T255] ? __pfx_netlink_unicast+0x10/0x10 [ 28.047193][ T255] ? find_held_lock+0x2c/0x110 [ 28.047328][ T255] netlink_sendmsg+0x723/0xbe0 [ 28.047463][ T255] ? __pfx_netlink_sendmsg+0x10/0x10 [ 28.047602][ T255] ____sys_sendmsg+0x7ac/0xa10 [ 28.047736][ T255] ? __pfx_____sys_sendmsg+0x10/0x10 [ 28.047871][ T255] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 28.048037][ T255] ? hlock_class+0x4e/0x130 [ 28.048174][ T255] ? validate_chain+0x130/0x9b0 [ 28.048308][ T255] ___sys_sendmsg+0xee/0x170 [ 28.048441][ T255] ? __pfx_validate_chain+0x10/0x10 [ 28.048576][ T255] ? __pfx____sys_sendmsg+0x10/0x10 [ 28.048712][ T255] ? __lock_acquire+0xb3f/0x1580 [ 28.048850][ T255] ? find_held_lock+0x2c/0x110 [ 28.048984][ T255] ? __lock_release+0x103/0x460 [ 28.049120][ T255] ? __might_fault+0x11b/0x170 [ 28.049254][ T255] ? fdget+0x52/0x1e0 [ 28.049360][ T255] ? lock_acquire+0x32/0xc0 [ 28.049495][ T255] __sys_sendmsg+0xcd/0x170 [ 28.049643][ T255] ? __pfx___sys_sendmsg+0x10/0x10 [ 28.049777][ T255] ? rseq_update_cpu_node_id+0xe6/0x140 [ 28.049921][ T255] do_syscall_64+0xc1/0x1d0 [ 28.050056][ T255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 28.050228][ T255] RIP: 0033:0x7f5de4f827b7 [ 28.050368][ 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 [ 28.050844][ T255] RSP: 002b:00007ffef3accca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.051044][ T255] RAX: ffffffffffffffda RBX: 00007ffef3acd3d0 RCX: 00007f5de4f827b7 [ 28.051247][ T255] RDX: 0000000000000000 RSI: 00007ffef3accd10 RDI: 0000000000000005 [ 28.051448][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 28.051646][ T255] R10: 00007f5de4e3b708 R11: 0000000000000246 R12: 00007ffef3acd3e8 [ 28.051843][ T255] R13: 00000000672a0743 R14: 0000000000496600 R15: 00007ffef3accdf8 [ 28.052045][ T255] [ 247.091332][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.091769][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.091899][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.092152][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:240 flags:0x00004002 [ 247.092425][ T43] Call Trace: [ 247.092522][ T43] [ 247.092597][ T43] __schedule+0xa19/0x1dc0 [ 247.092757][ T43] ? __pfx___schedule+0x10/0x10 [ 247.092895][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.093033][ T43] ? trace_lock_release+0x10e/0x180 [ 247.093167][ T43] schedule+0xdf/0x210 [ 247.093264][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.093394][ T43] __mutex_lock+0x634/0xac0 [ 247.093524][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.093652][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.093776][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.093903][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.094018][ T43] rtnl_newlink+0x64b/0xa30 [ 247.094138][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.094273][ T43] ? find_held_lock+0x2c/0x110 [ 247.094423][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.094546][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.094664][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.094785][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.094907][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.095024][ T43] ? hlock_class+0x4e/0x130 [ 247.095154][ T43] ? mark_lock+0x38/0x3e0 [ 247.095250][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.095377][ T43] netlink_rcv_skb+0x130/0x360 [ 247.095501][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.095622][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.095745][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.095867][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.095986][ T43] netlink_unicast+0x44b/0x710 [ 247.096109][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.096243][ T43] ? find_held_lock+0x2c/0x110 [ 247.096387][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.096511][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.096632][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.096754][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.096877][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.097024][ T43] ? hlock_class+0x4e/0x130 [ 247.097150][ T43] ? validate_chain+0x130/0x9b0 [ 247.097273][ T43] ___sys_sendmsg+0xee/0x170 [ 247.097401][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.097519][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.097639][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.097761][ T43] ? find_held_lock+0x2c/0x110 [ 247.097885][ T43] ? __lock_release+0x103/0x460 [ 247.098004][ T43] ? __might_fault+0x11b/0x170 [ 247.098132][ T43] ? fdget+0x52/0x1e0 [ 247.098225][ T43] ? lock_acquire+0x32/0xc0 [ 247.098346][ T43] __sys_sendmsg+0xcd/0x170 [ 247.098472][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.098590][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.098721][ T43] do_syscall_64+0xc1/0x1d0 [ 247.098844][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.098996][ T43] RIP: 0033:0x7f5de4f827b7 [ 247.099134][ T43] RSP: 002b:00007ffef3accca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.099323][ T43] RAX: ffffffffffffffda RBX: 00007ffef3acd3d0 RCX: 00007f5de4f827b7 [ 247.099508][ T43] RDX: 0000000000000000 RSI: 00007ffef3accd10 RDI: 0000000000000005 [ 247.099686][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.099866][ T43] R10: 00007f5de4e3b708 R11: 0000000000000246 R12: 00007ffef3acd3e8 [ 247.100047][ T43] R13: 00000000672a0743 R14: 0000000000496600 R15: 00007ffef3accdf8 [ 247.100247][ T43] [ 247.100360][ T43] INFO: lockdep is turned off. [ 369.971328][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.971807][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.971919][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.972104][ T43] task:kworker/u16:0 state:D stack:28328 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.972433][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.972618][ T43] Call Trace: [ 369.972713][ T43] [ 369.972792][ T43] __schedule+0xa19/0x1dc0 [ 369.972920][ T43] ? __pfx___schedule+0x10/0x10 [ 369.973047][ T43] ? __lock_release+0x103/0x460 [ 369.973178][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.973295][ T43] ? trace_lock_release+0x10e/0x180 [ 369.973408][ T43] schedule+0xdf/0x210 [ 369.973494][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.973621][ T43] __mutex_lock+0x634/0xac0 [ 369.973746][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.973859][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.973969][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.974081][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974206][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974319][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.974432][ T43] addrconf_verify_work+0x12/0x30 [ 369.974542][ T43] process_one_work+0xe55/0x16d0 [ 369.974663][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.974775][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.974887][ T43] ? assign_work+0x16c/0x240 [ 369.975008][ T43] worker_thread+0x58c/0xce0 [ 369.975135][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.975243][ T43] kthread+0x28a/0x350 [ 369.975332][ T43] ? __pfx_kthread+0x10/0x10 [ 369.975442][ T43] ret_from_fork+0x31/0x70 [ 369.975560][ T43] ? __pfx_kthread+0x10/0x10 [ 369.975675][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.975793][ T43] [ 369.975897][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.976028][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.976153][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.976364][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:240 flags:0x00004002 [ 369.976596][ T43] Call Trace: [ 369.976688][ T43] [ 369.976750][ T43] __schedule+0xa19/0x1dc0 [ 369.976873][ T43] ? __pfx___schedule+0x10/0x10 [ 369.976993][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.977112][ T43] ? trace_lock_release+0x10e/0x180 [ 369.977242][ T43] schedule+0xdf/0x210 [ 369.977334][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.977461][ T43] __mutex_lock+0x634/0xac0 [ 369.977575][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.977692][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.977806][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.977921][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.978035][ T43] rtnl_newlink+0x64b/0xa30 [ 369.978168][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.978282][ T43] ? find_held_lock+0x2c/0x110 [ 369.978395][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.978507][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.978616][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.978733][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.978845][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.978955][ T43] ? hlock_class+0x4e/0x130 [ 369.979067][ T43] ? mark_lock+0x38/0x3e0 [ 369.979162][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.979292][ T43] netlink_rcv_skb+0x130/0x360 [ 369.979407][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.979518][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.979636][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.979747][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.979860][ T43] netlink_unicast+0x44b/0x710 [ 369.979974][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.980086][ T43] ? find_held_lock+0x2c/0x110 [ 369.980217][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.980359][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.980483][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.980603][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.980722][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.980866][ T43] ? hlock_class+0x4e/0x130 [ 369.980983][ T43] ? validate_chain+0x130/0x9b0 [ 369.981102][ T43] ___sys_sendmsg+0xee/0x170 [ 369.981234][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.981350][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.981468][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.981593][ T43] ? find_held_lock+0x2c/0x110 [ 369.981708][ T43] ? __lock_release+0x103/0x460 [ 369.981819][ T43] ? __might_fault+0x11b/0x170 [ 369.981934][ T43] ? fdget+0x52/0x1e0 [ 369.982020][ T43] ? lock_acquire+0x32/0xc0 [ 369.982135][ T43] __sys_sendmsg+0xcd/0x170 [ 369.982258][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.982369][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.982488][ T43] do_syscall_64+0xc1/0x1d0 [ 369.982602][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.982746][ T43] RIP: 0033:0x7f5de4f827b7 [ 369.982861][ T43] RSP: 002b:00007ffef3accca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.983028][ T43] RAX: ffffffffffffffda RBX: 00007ffef3acd3d0 RCX: 00007f5de4f827b7 [ 369.983206][ T43] RDX: 0000000000000000 RSI: 00007ffef3accd10 RDI: 0000000000000005 [ 369.983373][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.983538][ T43] R10: 00007f5de4e3b708 R11: 0000000000000246 R12: 00007ffef3acd3e8 [ 369.983717][ T43] R13: 00000000672a0743 R14: 0000000000496600 R15: 00007ffef3accdf8 [ 369.983893][ T43] [ 369.983978][ T43] INFO: lockdep is turned off. HARD STOP (354.259159) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr