[ 26.485004][ T255] [ 26.485164][ T255] ===================================== [ 26.485292][ T255] WARNING: bad unlock balance detected! [ 26.485422][ T255] 6.12.0-rc5-virtme #1 Not tainted [ 26.485549][ T255] ------------------------------------- [ 26.485673][ T255] ip/255 is trying to release lock (rtnl_mutex) at: [ 26.485833][ T255] [] __rtnl_unlock+0x69/0xf0 [ 26.485998][ T255] but there are no more locks to release! [ 26.486127][ T255] [ 26.486127][ T255] other info that might help us debug this: [ 26.486311][ T255] no locks held by ip/255. [ 26.486442][ T255] [ 26.486442][ T255] stack backtrace: [ 26.486601][ T255] CPU: 0 UID: 0 PID: 255 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 26.486793][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.487080][ T255] Call Trace: [ 26.487180][ T255] [ 26.487256][ T255] dump_stack_lvl+0x82/0xd0 [ 26.487389][ T255] ? __rtnl_unlock+0x69/0xf0 [ 26.487519][ T255] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 26.487651][ T255] __lock_release+0x2f7/0x460 [ 26.487781][ T255] ? __pfx___lock_release+0x10/0x10 [ 26.487910][ T255] ? __rtnl_unlock+0x69/0xf0 [ 26.488041][ T255] lock_release+0xd7/0x140 [ 26.488170][ T255] __mutex_unlock_slowpath+0x8f/0x3b0 [ 26.488298][ T255] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 26.488430][ T255] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 26.488593][ T255] ? rtnl_link_ops_get+0x187/0x220 [ 26.488723][ T255] __rtnl_unlock+0x69/0xf0 [ 26.488852][ T255] rtnl_newlink+0x7fd/0xa30 [ 26.488982][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.489111][ T255] ? find_held_lock+0x2c/0x110 [ 26.489239][ T255] ? __lock_release+0x103/0x460 [ 26.489366][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.489497][ T255] ? __pfx___lock_release+0x10/0x10 [ 26.489626][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.489753][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.489881][ T255] rtnetlink_rcv_msg+0x712/0xc10 [ 26.490010][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.490138][ T255] ? hlock_class+0x4e/0x130 [ 26.490268][ T255] ? mark_lock+0x38/0x3e0 [ 26.490366][ T255] ? __lock_acquire+0xb3f/0x1580 [ 26.490494][ T255] netlink_rcv_skb+0x130/0x360 [ 26.490623][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.490754][ T255] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 26.490885][ T255] ? netlink_deliver_tap+0x13e/0x340 [ 26.491015][ T255] ? netlink_deliver_tap+0xc3/0x340 [ 26.491149][ T255] netlink_unicast+0x44b/0x710 [ 26.491279][ T255] ? __pfx_netlink_unicast+0x10/0x10 [ 26.491409][ T255] ? find_held_lock+0x2c/0x110 [ 26.491539][ T255] netlink_sendmsg+0x723/0xbe0 [ 26.491668][ T255] ? __pfx_netlink_sendmsg+0x10/0x10 [ 26.491800][ T255] ____sys_sendmsg+0x7ac/0xa10 [ 26.491931][ T255] ? __pfx_____sys_sendmsg+0x10/0x10 [ 26.492070][ T255] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 26.492228][ T255] ? hlock_class+0x4e/0x130 [ 26.492356][ T255] ? validate_chain+0x130/0x9b0 [ 26.492486][ T255] ___sys_sendmsg+0xee/0x170 [ 26.492613][ T255] ? __pfx_validate_chain+0x10/0x10 [ 26.492739][ T255] ? __pfx____sys_sendmsg+0x10/0x10 [ 26.492866][ T255] ? __lock_acquire+0xb3f/0x1580 [ 26.492998][ T255] ? find_held_lock+0x2c/0x110 [ 26.493128][ T255] ? __lock_release+0x103/0x460 [ 26.493255][ T255] ? __might_fault+0x11b/0x170 [ 26.493384][ T255] ? fdget+0x52/0x1e0 [ 26.493481][ T255] ? lock_acquire+0x32/0xc0 [ 26.493612][ T255] __sys_sendmsg+0xcd/0x170 [ 26.493739][ T255] ? __pfx___sys_sendmsg+0x10/0x10 [ 26.493865][ T255] ? rseq_update_cpu_node_id+0xe6/0x140 [ 26.493999][ T255] do_syscall_64+0xc1/0x1d0 [ 26.494128][ T255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.494291][ T255] RIP: 0033:0x7efdbe2d27b7 [ 26.494424][ 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 [ 26.494873][ T255] RSP: 002b:00007ffc7c8df858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.495064][ T255] RAX: ffffffffffffffda RBX: 00007ffc7c8dff80 RCX: 00007efdbe2d27b7 [ 26.495258][ T255] RDX: 0000000000000000 RSI: 00007ffc7c8df8c0 RDI: 0000000000000005 [ 26.495448][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 26.495636][ T255] R10: 00007efdbe18b708 R11: 0000000000000246 R12: 00007ffc7c8dff98 [ 26.495826][ T255] R13: 000000006729dcf5 R14: 0000000000496600 R15: 00007ffc7c8df9a8 [ 26.496018][ T255] [ 247.140508][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.140851][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.140963][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.141169][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 247.141450][ T43] Call Trace: [ 247.141567][ T43] [ 247.141637][ T43] __schedule+0xa19/0x1dc0 [ 247.141778][ T43] ? __pfx___schedule+0x10/0x10 [ 247.141909][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.142040][ T43] ? trace_lock_release+0x10e/0x180 [ 247.142170][ T43] schedule+0xdf/0x210 [ 247.142301][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.142422][ T43] __mutex_lock+0x634/0xac0 [ 247.142540][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.142661][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.142783][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.142905][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.143021][ T43] rtnl_newlink+0x64b/0xa30 [ 247.143137][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.143253][ T43] ? find_held_lock+0x2c/0x110 [ 247.143388][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.143508][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.143623][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.143737][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.143850][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.143964][ T43] ? hlock_class+0x4e/0x130 [ 247.144075][ T43] ? mark_lock+0x38/0x3e0 [ 247.144164][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.144288][ T43] netlink_rcv_skb+0x130/0x360 [ 247.144405][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.144517][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.144634][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.144748][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.144862][ T43] netlink_unicast+0x44b/0x710 [ 247.144982][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.145097][ T43] ? find_held_lock+0x2c/0x110 [ 247.145216][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.145343][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.145460][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.145573][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.145684][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.145822][ T43] ? hlock_class+0x4e/0x130 [ 247.145986][ T43] ? validate_chain+0x130/0x9b0 [ 247.146114][ T43] ___sys_sendmsg+0xee/0x170 [ 247.146238][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.146365][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.146485][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.146607][ T43] ? find_held_lock+0x2c/0x110 [ 247.146726][ T43] ? __lock_release+0x103/0x460 [ 247.146845][ T43] ? __might_fault+0x11b/0x170 [ 247.146976][ T43] ? fdget+0x52/0x1e0 [ 247.147062][ T43] ? lock_acquire+0x32/0xc0 [ 247.147174][ T43] __sys_sendmsg+0xcd/0x170 [ 247.147299][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.147410][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.147535][ T43] do_syscall_64+0xc1/0x1d0 [ 247.147656][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.147797][ T43] RIP: 0033:0x7efdbe2d27b7 [ 247.147917][ T43] RSP: 002b:00007ffc7c8df858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.148090][ T43] RAX: ffffffffffffffda RBX: 00007ffc7c8dff80 RCX: 00007efdbe2d27b7 [ 247.148265][ T43] RDX: 0000000000000000 RSI: 00007ffc7c8df8c0 RDI: 0000000000000005 [ 247.148484][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.148658][ T43] R10: 00007efdbe18b708 R11: 0000000000000246 R12: 00007ffc7c8dff98 [ 247.148843][ T43] R13: 000000006729dcf5 R14: 0000000000496600 R15: 00007ffc7c8df9a8 [ 247.149030][ T43] [ 247.149126][ T43] INFO: lockdep is turned off. [ 370.020427][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 370.020749][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 370.020860][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 370.021051][ T43] task:kworker/u16:0 state:D stack:28328 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 370.021295][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 370.021450][ T43] Call Trace: [ 370.021534][ T43] [ 370.021594][ T43] __schedule+0xa19/0x1dc0 [ 370.021708][ T43] ? __pfx___schedule+0x10/0x10 [ 370.021818][ T43] ? __lock_release+0x103/0x460 [ 370.021928][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.022058][ T43] ? trace_lock_release+0x10e/0x180 [ 370.022174][ T43] schedule+0xdf/0x210 [ 370.022260][ T43] schedule_preempt_disabled+0x15/0x30 [ 370.022392][ T43] __mutex_lock+0x634/0xac0 [ 370.022508][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 370.022624][ T43] ? addrconf_verify_work+0x12/0x30 [ 370.022736][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 370.022850][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.022962][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.023076][ T43] ? addrconf_verify_work+0x12/0x30 [ 370.023192][ T43] addrconf_verify_work+0x12/0x30 [ 370.023319][ T43] process_one_work+0xe55/0x16d0 [ 370.023428][ T43] ? __pfx___lock_release+0x10/0x10 [ 370.023534][ T43] ? __pfx_process_one_work+0x10/0x10 [ 370.023643][ T43] ? assign_work+0x16c/0x240 [ 370.023754][ T43] worker_thread+0x58c/0xce0 [ 370.023864][ T43] ? __pfx_worker_thread+0x10/0x10 [ 370.023970][ T43] kthread+0x28a/0x350 [ 370.024053][ T43] ? __pfx_kthread+0x10/0x10 [ 370.024164][ T43] ret_from_fork+0x31/0x70 [ 370.024280][ T43] ? __pfx_kthread+0x10/0x10 [ 370.024388][ T43] ret_from_fork_asm+0x1a/0x30 [ 370.024502][ T43] [ 370.024597][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 370.024723][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 370.024823][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 370.025000][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 370.025244][ T43] Call Trace: [ 370.025338][ T43] [ 370.025398][ T43] __schedule+0xa19/0x1dc0 [ 370.025517][ T43] ? __pfx___schedule+0x10/0x10 [ 370.025630][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.025746][ T43] ? trace_lock_release+0x10e/0x180 [ 370.025862][ T43] schedule+0xdf/0x210 [ 370.025952][ T43] schedule_preempt_disabled+0x15/0x30 [ 370.026067][ T43] __mutex_lock+0x634/0xac0 [ 370.026182][ T43] ? rtnl_newlink+0x64b/0xa30 [ 370.026302][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 370.026427][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.026537][ T43] ? rtnl_newlink+0x64b/0xa30 [ 370.026644][ T43] rtnl_newlink+0x64b/0xa30 [ 370.026754][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 370.026859][ T43] ? find_held_lock+0x2c/0x110 [ 370.026971][ T43] ? __pfx___lock_release+0x10/0x10 [ 370.027079][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 370.027186][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 370.027300][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 370.027408][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 370.027514][ T43] ? hlock_class+0x4e/0x130 [ 370.027620][ T43] ? mark_lock+0x38/0x3e0 [ 370.027702][ T43] ? __lock_acquire+0xb3f/0x1580 [ 370.027824][ T43] netlink_rcv_skb+0x130/0x360 [ 370.027935][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 370.028043][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 370.028154][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 370.028259][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 370.028375][ T43] netlink_unicast+0x44b/0x710 [ 370.028486][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 370.028593][ T43] ? find_held_lock+0x2c/0x110 [ 370.028706][ T43] netlink_sendmsg+0x723/0xbe0 [ 370.028817][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 370.028930][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 370.029040][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 370.029147][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 370.029296][ T43] ? hlock_class+0x4e/0x130 [ 370.029407][ T43] ? validate_chain+0x130/0x9b0 [ 370.029519][ T43] ___sys_sendmsg+0xee/0x170 [ 370.029633][ T43] ? __pfx_validate_chain+0x10/0x10 [ 370.029742][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 370.029854][ T43] ? __lock_acquire+0xb3f/0x1580 [ 370.029963][ T43] ? find_held_lock+0x2c/0x110 [ 370.030072][ T43] ? __lock_release+0x103/0x460 [ 370.030179][ T43] ? __might_fault+0x11b/0x170 [ 370.030298][ T43] ? fdget+0x52/0x1e0 [ 370.030381][ T43] ? lock_acquire+0x32/0xc0 [ 370.030491][ T43] __sys_sendmsg+0xcd/0x170 [ 370.030603][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 370.030712][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 370.030825][ T43] do_syscall_64+0xc1/0x1d0 [ 370.030934][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 370.031070][ T43] RIP: 0033:0x7efdbe2d27b7 [ 370.031184][ T43] RSP: 002b:00007ffc7c8df858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 370.031350][ T43] RAX: ffffffffffffffda RBX: 00007ffc7c8dff80 RCX: 00007efdbe2d27b7 [ 370.031514][ T43] RDX: 0000000000000000 RSI: 00007ffc7c8df8c0 RDI: 0000000000000005 [ 370.031673][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 370.031831][ T43] R10: 00007efdbe18b708 R11: 0000000000000246 R12: 00007ffc7c8dff98 [ 370.031988][ T43] R13: 000000006729dcf5 R14: 0000000000496600 R15: 00007ffc7c8df9a8 [ 370.032166][ T43] [ 370.032250][ T43] INFO: lockdep is turned off. HARD STOP (388.148199) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr