[ 27.072217][ T255] [ 27.072317][ T255] ===================================== [ 27.072444][ T255] WARNING: bad unlock balance detected! [ 27.072575][ T255] 6.12.0-rc5-virtme #1 Not tainted [ 27.072702][ T255] ------------------------------------- [ 27.072829][ T255] ip/255 is trying to release lock (rtnl_mutex) at: [ 27.073003][ T255] [<ffffffff9fea8d19>] __rtnl_unlock+0x69/0xf0 [ 27.073172][ T255] but there are no more locks to release! [ 27.073298][ T255] [ 27.073298][ T255] other info that might help us debug this: [ 27.073484][ T255] no locks held by ip/255. [ 27.073614][ T255] [ 27.073614][ T255] stack backtrace: [ 27.073773][ T255] CPU: 3 UID: 0 PID: 255 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.073979][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.074264][ T255] Call Trace: [ 27.074367][ T255] <TASK> [ 27.074435][ T255] dump_stack_lvl+0x82/0xd0 [ 27.074571][ T255] ? __rtnl_unlock+0x69/0xf0 [ 27.074705][ T255] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.074840][ T255] __lock_release+0x2f7/0x460 [ 27.074972][ T255] ? __pfx___lock_release+0x10/0x10 [ 27.075104][ T255] ? __rtnl_unlock+0x69/0xf0 [ 27.075234][ T255] lock_release+0xd7/0x140 [ 27.075373][ T255] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.075512][ T255] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.075644][ T255] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.075808][ T255] ? rtnl_link_ops_get+0x187/0x220 [ 27.075941][ T255] __rtnl_unlock+0x69/0xf0 [ 27.076071][ T255] rtnl_newlink+0x7fd/0xa30 [ 27.076202][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.076336][ T255] ? find_held_lock+0x2c/0x110 [ 27.076471][ T255] ? __lock_release+0x103/0x460 [ 27.076602][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.076731][ T255] ? __pfx___lock_release+0x10/0x10 [ 27.076863][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.076993][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.077121][ T255] rtnetlink_rcv_msg+0x712/0xc10 [ 27.077251][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.077378][ T255] ? hlock_class+0x4e/0x130 [ 27.077508][ T255] ? mark_lock+0x38/0x3e0 [ 27.077607][ T255] ? __lock_acquire+0xb3f/0x1580 [ 27.077735][ T255] netlink_rcv_skb+0x130/0x360 [ 27.077868][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.077998][ T255] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.078132][ T255] ? netlink_deliver_tap+0x13e/0x340 [ 27.078261][ T255] ? netlink_deliver_tap+0xc3/0x340 [ 27.078394][ T255] netlink_unicast+0x44b/0x710 [ 27.078526][ T255] ? __pfx_netlink_unicast+0x10/0x10 [ 27.078656][ T255] ? find_held_lock+0x2c/0x110 [ 27.078787][ T255] netlink_sendmsg+0x723/0xbe0 [ 27.078920][ T255] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.079052][ T255] ____sys_sendmsg+0x7ac/0xa10 [ 27.079187][ T255] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.079314][ T255] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.079477][ T255] ? hlock_class+0x4e/0x130 [ 27.079610][ T255] ? validate_chain+0x130/0x9b0 [ 27.079739][ T255] ___sys_sendmsg+0xee/0x170 [ 27.079866][ T255] ? __pfx_validate_chain+0x10/0x10 [ 27.079996][ T255] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.080124][ T255] ? __lock_acquire+0xb3f/0x1580 [ 27.080257][ T255] ? find_held_lock+0x2c/0x110 [ 27.080385][ T255] ? __lock_release+0x103/0x460 [ 27.080513][ T255] ? __might_fault+0x11b/0x170 [ 27.080644][ T255] ? fdget+0x52/0x1e0 [ 27.080745][ T255] ? lock_acquire+0x32/0xc0 [ 27.080873][ T255] __sys_sendmsg+0xcd/0x170 [ 27.081001][ T255] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.081130][ T255] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.081268][ T255] do_syscall_64+0xc1/0x1d0 [ 27.081399][ T255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.081559][ T255] RIP: 0033:0x7f094a4b17b7 [ 27.081694][ 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 [ 27.082143][ T255] RSP: 002b:00007fff59fb7888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.082346][ T255] RAX: ffffffffffffffda RBX: 00007fff59fb7fb0 RCX: 00007f094a4b17b7 [ 27.082537][ T255] RDX: 0000000000000000 RSI: 00007fff59fb78f0 RDI: 0000000000000005 [ 27.082727][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.082919][ T255] R10: 00007f094a36a708 R11: 0000000000000246 R12: 00007fff59fb7fc8 [ 27.083110][ T255] R13: 00000000672a0756 R14: 0000000000496600 R15: 00007fff59fb79d8 [ 27.083312][ T255] </TASK> [ 247.088659][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.088952][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.089082][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.089314][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 247.089615][ T43] Call Trace: [ 247.089726][ T43] <TASK> [ 247.089806][ T43] __schedule+0xa19/0x1dc0 [ 247.089954][ T43] ? __pfx___schedule+0x10/0x10 [ 247.090094][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.090233][ T43] ? trace_lock_release+0x10e/0x180 [ 247.090365][ T43] schedule+0xdf/0x210 [ 247.090487][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.090627][ T43] __mutex_lock+0x634/0xac0 [ 247.090765][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.090907][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.091042][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.091176][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.091307][ T43] rtnl_newlink+0x64b/0xa30 [ 247.091457][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.091591][ T43] ? find_held_lock+0x2c/0x110 [ 247.091723][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.091856][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.091987][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.092120][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.092254][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.092383][ T43] ? hlock_class+0x4e/0x130 [ 247.092542][ T43] ? mark_lock+0x38/0x3e0 [ 247.092644][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.092776][ T43] netlink_rcv_skb+0x130/0x360 [ 247.092910][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.093041][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.093180][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.093308][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.093439][ T43] netlink_unicast+0x44b/0x710 [ 247.093585][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.093715][ T43] ? find_held_lock+0x2c/0x110 [ 247.093850][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.093983][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.094118][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.094271][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.094404][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.094576][ T43] ? hlock_class+0x4e/0x130 [ 247.094716][ T43] ? validate_chain+0x130/0x9b0 [ 247.094850][ T43] ___sys_sendmsg+0xee/0x170 [ 247.094984][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.095116][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.095247][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.095390][ T43] ? find_held_lock+0x2c/0x110 [ 247.095525][ T43] ? __lock_release+0x103/0x460 [ 247.095648][ T43] ? __might_fault+0x11b/0x170 [ 247.095775][ T43] ? fdget+0x52/0x1e0 [ 247.095878][ T43] ? lock_acquire+0x32/0xc0 [ 247.096005][ T43] __sys_sendmsg+0xcd/0x170 [ 247.096133][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.096256][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.096392][ T43] do_syscall_64+0xc1/0x1d0 [ 247.096525][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.096687][ T43] RIP: 0033:0x7f094a4b17b7 [ 247.096820][ T43] RSP: 002b:00007fff59fb7888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.097015][ T43] RAX: ffffffffffffffda RBX: 00007fff59fb7fb0 RCX: 00007f094a4b17b7 [ 247.097207][ T43] RDX: 0000000000000000 RSI: 00007fff59fb78f0 RDI: 0000000000000005 [ 247.097390][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.097581][ T43] R10: 00007f094a36a708 R11: 0000000000000246 R12: 00007fff59fb7fc8 [ 247.097768][ T43] R13: 00000000672a0756 R14: 0000000000496600 R15: 00007fff59fb79d8 [ 247.097960][ T43] </TASK> [ 247.098056][ T43] INFO: lockdep is turned off. HARD STOP (334.650749) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr [ 369.968637][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.968943][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.969063][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.969271][ T43] task:kworker/u16:0 state:D stack:29080 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.969568][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.969743][ T43] Call Trace: [ 369.969841][ T43] <TASK> [ 369.969912][ T43] __schedule+0xa19/0x1dc0 [ 369.970049][ T43] ? __pfx___schedule+0x10/0x10 [ 369.970190][ T43] ? __lock_release+0x103/0x460 [ 369.970321][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.970451][ T43] ? trace_lock_release+0x10e/0x180 [ 369.970588][ T43] schedule+0xdf/0x210 [ 369.970687][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.970814][ T43] __mutex_lock+0x634/0xac0 [ 369.970945][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.971073][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.971206][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.971334][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.971459][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.971600][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.971726][ T43] addrconf_verify_work+0x12/0x30 [ 369.971852][ T43] process_one_work+0xe55/0x16d0 [ 369.971981][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.972114][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.972241][ T43] ? assign_work+0x16c/0x240 [ 369.972373][ T43] worker_thread+0x58c/0xce0 [ 369.972532][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.972659][ T43] kthread+0x28a/0x350 [ 369.972755][ T43] ? __pfx_kthread+0x10/0x10 [ 369.972883][ T43] ret_from_fork+0x31/0x70 [ 369.973011][ T43] ? __pfx_kthread+0x10/0x10 [ 369.973137][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.973277][ T43] </TASK> [ 369.973391][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.973573][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.973692][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.973902][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004006 [ 369.974151][ T43] Call Trace: [ 369.974246][ T43] <TASK> [ 369.974319][ T43] __schedule+0xa19/0x1dc0 [ 369.974448][ T43] ? __pfx___schedule+0x10/0x10 [ 369.974587][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974718][ T43] ? trace_lock_release+0x10e/0x180 [ 369.974849][ T43] schedule+0xdf/0x210 [ 369.974946][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.975074][ T43] __mutex_lock+0x634/0xac0 [ 369.975203][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.975355][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.975487][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975612][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.975733][ T43] rtnl_newlink+0x64b/0xa30 [ 369.975860][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.975984][ T43] ? find_held_lock+0x2c/0x110 [ 369.976108][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.976233][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.976356][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.976489][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.976613][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.976733][ T43] ? hlock_class+0x4e/0x130 [ 369.976855][ T43] ? mark_lock+0x38/0x3e0 [ 369.976948][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.977075][ T43] netlink_rcv_skb+0x130/0x360 [ 369.977204][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.977327][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.977457][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.977588][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.977710][ T43] netlink_unicast+0x44b/0x710 [ 369.977835][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.977958][ T43] ? find_held_lock+0x2c/0x110 [ 369.978085][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.978209][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.978337][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.978467][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.978600][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.978758][ T43] ? hlock_class+0x4e/0x130 [ 369.978882][ T43] ? validate_chain+0x130/0x9b0 [ 369.979005][ T43] ___sys_sendmsg+0xee/0x170 [ 369.979129][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.979254][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.979377][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.979515][ T43] ? find_held_lock+0x2c/0x110 [ 369.979638][ T43] ? __lock_release+0x103/0x460 [ 369.979764][ T43] ? __might_fault+0x11b/0x170 [ 369.979892][ T43] ? fdget+0x52/0x1e0 [ 369.979988][ T43] ? lock_acquire+0x32/0xc0 [ 369.980112][ T43] __sys_sendmsg+0xcd/0x170 [ 369.980237][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.980358][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.980492][ T43] do_syscall_64+0xc1/0x1d0 [ 369.980624][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.980784][ T43] RIP: 0033:0x7f094a4b17b7 [ 369.980912][ T43] RSP: 002b:00007fff59fb7888 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.981097][ T43] RAX: ffffffffffffffda RBX: 00007fff59fb7fb0 RCX: 00007f094a4b17b7 [ 369.981281][ T43] RDX: 0000000000000000 RSI: 00007fff59fb78f0 RDI: 0000000000000005 [ 369.981464][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.981657][ T43] R10: 00007f094a36a708 R11: 0000000000000246 R12: 00007fff59fb7fc8 [ 369.981841][ T43] R13: 00000000672a0756 R14: 0000000000496600 R15: 00007fff59fb79d8 [ 369.982027][ T43] </TASK> [ 369.982120][ T43] INFO: lockdep is turned off. WAIT TIMEOUT stderr