[ 27.062239][ T256] [ 27.062344][ T256] ===================================== [ 27.062485][ T256] WARNING: bad unlock balance detected! [ 27.062636][ T256] 6.12.0-rc5-virtme #1 Not tainted [ 27.062773][ T256] ------------------------------------- [ 27.062910][ T256] ip/256 is trying to release lock (rtnl_mutex) at: [ 27.063080][ T256] [] __rtnl_unlock+0x69/0xf0 [ 27.063260][ T256] but there are no more locks to release! [ 27.063392][ T256] [ 27.063392][ T256] other info that might help us debug this: [ 27.063598][ T256] no locks held by ip/256. [ 27.063737][ T256] [ 27.063737][ T256] stack backtrace: [ 27.063903][ T256] CPU: 1 UID: 0 PID: 256 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.064110][ T256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.064416][ T256] Call Trace: [ 27.064524][ T256] [ 27.064599][ T256] dump_stack_lvl+0x82/0xd0 [ 27.064746][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.064886][ T256] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.065029][ T256] __lock_release+0x2f7/0x460 [ 27.065166][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.065304][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.065442][ T256] lock_release+0xd7/0x140 [ 27.065579][ T256] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.065727][ T256] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.065864][ T256] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.066039][ T256] ? rtnl_link_ops_get+0x187/0x220 [ 27.066186][ T256] __rtnl_unlock+0x69/0xf0 [ 27.066323][ T256] rtnl_newlink+0x7fd/0xa30 [ 27.066459][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.066597][ T256] ? find_held_lock+0x2c/0x110 [ 27.066740][ T256] ? __lock_release+0x103/0x460 [ 27.066877][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.067057][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.067197][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.067363][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.067498][ T256] rtnetlink_rcv_msg+0x712/0xc10 [ 27.067628][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.067759][ T256] ? hlock_class+0x4e/0x130 [ 27.067888][ T256] ? mark_lock+0x38/0x3e0 [ 27.067987][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.068119][ T256] netlink_rcv_skb+0x130/0x360 [ 27.068250][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.068379][ T256] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.068514][ T256] ? netlink_deliver_tap+0x13e/0x340 [ 27.068644][ T256] ? netlink_deliver_tap+0xc3/0x340 [ 27.068772][ T256] netlink_unicast+0x44b/0x710 [ 27.068904][ T256] ? __pfx_netlink_unicast+0x10/0x10 [ 27.069033][ T256] ? find_held_lock+0x2c/0x110 [ 27.069167][ T256] netlink_sendmsg+0x723/0xbe0 [ 27.069305][ T256] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.069435][ T256] ____sys_sendmsg+0x7ac/0xa10 [ 27.069564][ T256] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.069692][ T256] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.069850][ T256] ? hlock_class+0x4e/0x130 [ 27.069977][ T256] ? validate_chain+0x130/0x9b0 [ 27.070104][ T256] ___sys_sendmsg+0xee/0x170 [ 27.070237][ T256] ? __pfx_validate_chain+0x10/0x10 [ 27.070362][ T256] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.070491][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.070622][ T256] ? find_held_lock+0x2c/0x110 [ 27.070751][ T256] ? __lock_release+0x103/0x460 [ 27.070879][ T256] ? __might_fault+0x11b/0x170 [ 27.071010][ T256] ? fdget+0x52/0x1e0 [ 27.071109][ T256] ? lock_acquire+0x32/0xc0 [ 27.071242][ T256] __sys_sendmsg+0xcd/0x170 [ 27.071372][ T256] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.071497][ T256] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.071631][ T256] do_syscall_64+0xc1/0x1d0 [ 27.071759][ T256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.071923][ T256] RIP: 0033:0x7f634b1817b7 [ 27.072056][ 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 [ 27.072506][ T256] RSP: 002b:00007ffea9d937b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.072697][ T256] RAX: ffffffffffffffda RBX: 00007ffea9d93ee0 RCX: 00007f634b1817b7 [ 27.072889][ T256] RDX: 0000000000000000 RSI: 00007ffea9d93820 RDI: 0000000000000005 [ 27.073077][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.073271][ T256] R10: 00007f634b03a708 R11: 0000000000000246 R12: 00007ffea9d93ef8 [ 27.073461][ T256] R13: 00000000672a3158 R14: 0000000000496600 R15: 00007ffea9d93908 [ 27.073652][ T256] [ 247.093709][ T43] INFO: task ip:256 blocked for more than 122 seconds. [ 247.094101][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.094230][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.094437][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 247.094710][ T43] Call Trace: [ 247.094828][ T43] [ 247.094900][ T43] __schedule+0xa19/0x1dc0 [ 247.095037][ T43] ? __pfx___schedule+0x10/0x10 [ 247.095170][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.095291][ T43] ? trace_lock_release+0x10e/0x180 [ 247.095415][ T43] schedule+0xdf/0x210 [ 247.095519][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.095675][ T43] __mutex_lock+0x634/0xac0 [ 247.095810][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.095933][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.096058][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.096188][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.096323][ T43] rtnl_newlink+0x64b/0xa30 [ 247.096442][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.096567][ T43] ? find_held_lock+0x2c/0x110 [ 247.096687][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.096813][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.096942][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.097059][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.097175][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.097291][ T43] ? hlock_class+0x4e/0x130 [ 247.097415][ T43] ? mark_lock+0x38/0x3e0 [ 247.097514][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.097630][ T43] netlink_rcv_skb+0x130/0x360 [ 247.097753][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.097873][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.097992][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.098107][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.098221][ T43] netlink_unicast+0x44b/0x710 [ 247.098351][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.098466][ T43] ? find_held_lock+0x2c/0x110 [ 247.098599][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.098717][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.098838][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.098958][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.099071][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.099221][ T43] ? hlock_class+0x4e/0x130 [ 247.099346][ T43] ? validate_chain+0x130/0x9b0 [ 247.099463][ T43] ___sys_sendmsg+0xee/0x170 [ 247.099589][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.099705][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.099822][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.099943][ T43] ? find_held_lock+0x2c/0x110 [ 247.100071][ T43] ? __lock_release+0x103/0x460 [ 247.100187][ T43] ? __might_fault+0x11b/0x170 [ 247.100308][ T43] ? fdget+0x52/0x1e0 [ 247.100401][ T43] ? lock_acquire+0x32/0xc0 [ 247.100522][ T43] __sys_sendmsg+0xcd/0x170 [ 247.100636][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.100751][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.100875][ T43] do_syscall_64+0xc1/0x1d0 [ 247.100992][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.101139][ T43] RIP: 0033:0x7f634b1817b7 [ 247.101263][ T43] RSP: 002b:00007ffea9d937b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.101446][ T43] RAX: ffffffffffffffda RBX: 00007ffea9d93ee0 RCX: 00007f634b1817b7 [ 247.101635][ T43] RDX: 0000000000000000 RSI: 00007ffea9d93820 RDI: 0000000000000005 [ 247.101809][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.101983][ T43] R10: 00007f634b03a708 R11: 0000000000000246 R12: 00007ffea9d93ef8 [ 247.102161][ T43] R13: 00000000672a3158 R14: 0000000000496600 R15: 00007ffea9d93908 [ 247.102336][ T43] [ 247.102428][ T43] INFO: lockdep is turned off. [ 369.973708][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.974170][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.974291][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.974523][ T43] task:kworker/u16:0 state:D stack:29584 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.974833][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.975031][ T43] Call Trace: [ 369.975126][ T43] [ 369.975205][ T43] __schedule+0xa19/0x1dc0 [ 369.975341][ T43] ? __pfx___schedule+0x10/0x10 [ 369.975469][ T43] ? __lock_release+0x103/0x460 [ 369.975607][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975732][ T43] ? trace_lock_release+0x10e/0x180 [ 369.975866][ T43] schedule+0xdf/0x210 [ 369.975957][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.976076][ T43] __mutex_lock+0x634/0xac0 [ 369.976197][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.976320][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.976441][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.976572][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976700][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976822][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.976947][ T43] addrconf_verify_work+0x12/0x30 [ 369.977070][ T43] process_one_work+0xe55/0x16d0 [ 369.977194][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.977313][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.977437][ T43] ? assign_work+0x16c/0x240 [ 369.977569][ T43] worker_thread+0x58c/0xce0 [ 369.977698][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.977816][ T43] kthread+0x28a/0x350 [ 369.977913][ T43] ? __pfx_kthread+0x10/0x10 [ 369.978038][ T43] ret_from_fork+0x31/0x70 [ 369.978165][ T43] ? __pfx_kthread+0x10/0x10 [ 369.978288][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.978412][ T43] [ 369.978546][ T43] INFO: task ip:256 blocked for more than 245 seconds. [ 369.978689][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.978809][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.979006][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 369.979249][ T43] Call Trace: [ 369.979339][ T43] [ 369.979401][ T43] __schedule+0xa19/0x1dc0 [ 369.979530][ T43] ? __pfx___schedule+0x10/0x10 [ 369.979652][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.979780][ T43] ? trace_lock_release+0x10e/0x180 [ 369.979900][ T43] schedule+0xdf/0x210 [ 369.979990][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.980116][ T43] __mutex_lock+0x634/0xac0 [ 369.980237][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.980357][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.980481][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.980613][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.980734][ T43] rtnl_newlink+0x64b/0xa30 [ 369.980855][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.980978][ T43] ? find_held_lock+0x2c/0x110 [ 369.981101][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.981223][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.981342][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.981461][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.981593][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.981712][ T43] ? hlock_class+0x4e/0x130 [ 369.981839][ T43] ? mark_lock+0x38/0x3e0 [ 369.981931][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.982050][ T43] netlink_rcv_skb+0x130/0x360 [ 369.982178][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.982296][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.982420][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.982551][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.982673][ T43] netlink_unicast+0x44b/0x710 [ 369.982795][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.982913][ T43] ? find_held_lock+0x2c/0x110 [ 369.983033][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.983158][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.983282][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.983404][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.983528][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.983679][ T43] ? hlock_class+0x4e/0x130 [ 369.983807][ T43] ? validate_chain+0x130/0x9b0 [ 369.983927][ T43] ___sys_sendmsg+0xee/0x170 [ 369.984047][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.984163][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.984286][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.984405][ T43] ? find_held_lock+0x2c/0x110 [ 369.984529][ T43] ? __lock_release+0x103/0x460 [ 369.984647][ T43] ? __might_fault+0x11b/0x170 [ 369.984776][ T43] ? fdget+0x52/0x1e0 [ 369.984870][ T43] ? lock_acquire+0x32/0xc0 [ 369.984999][ T43] __sys_sendmsg+0xcd/0x170 [ 369.985120][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.985242][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.985367][ T43] do_syscall_64+0xc1/0x1d0 [ 369.985494][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.985663][ T43] RIP: 0033:0x7f634b1817b7 [ 369.985790][ T43] RSP: 002b:00007ffea9d937b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.985975][ T43] RAX: ffffffffffffffda RBX: 00007ffea9d93ee0 RCX: 00007f634b1817b7 [ 369.986149][ T43] RDX: 0000000000000000 RSI: 00007ffea9d93820 RDI: 0000000000000005 [ 369.986324][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.986510][ T43] R10: 00007f634b03a708 R11: 0000000000000246 R12: 00007ffea9d93ef8 [ 369.986717][ T43] R13: 00000000672a3158 R14: 0000000000496600 R15: 00007ffea9d93908 [ 369.986902][ T43] [ 369.986993][ T43] INFO: lockdep is turned off. HARD STOP (385.934173) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr