[ 28.038656][ T257] [ 28.038756][ T257] ===================================== [ 28.038889][ T257] WARNING: bad unlock balance detected! [ 28.039027][ T257] 6.12.0-rc5-virtme #1 Not tainted [ 28.039155][ T257] ------------------------------------- [ 28.039283][ T257] ip/257 is trying to release lock (rtnl_mutex) at: [ 28.039446][ T257] [] __rtnl_unlock+0x69/0xf0 [ 28.039611][ T257] but there are no more locks to release! [ 28.039735][ T257] [ 28.039735][ T257] other info that might help us debug this: [ 28.039922][ T257] no locks held by ip/257. [ 28.040054][ T257] [ 28.040054][ T257] stack backtrace: [ 28.040210][ T257] CPU: 2 UID: 0 PID: 257 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 28.040404][ T257] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 28.040717][ T257] Call Trace: [ 28.040821][ T257] [ 28.040889][ T257] dump_stack_lvl+0x82/0xd0 [ 28.041023][ T257] ? __rtnl_unlock+0x69/0xf0 [ 28.041159][ T257] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 28.041290][ T257] __lock_release+0x2f7/0x460 [ 28.041419][ T257] ? __pfx___lock_release+0x10/0x10 [ 28.041549][ T257] ? __rtnl_unlock+0x69/0xf0 [ 28.041677][ T257] lock_release+0xd7/0x140 [ 28.041803][ T257] __mutex_unlock_slowpath+0x8f/0x3b0 [ 28.041933][ T257] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 28.042059][ T257] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 28.042224][ T257] ? rtnl_link_ops_get+0x187/0x220 [ 28.042353][ T257] __rtnl_unlock+0x69/0xf0 [ 28.042482][ T257] rtnl_newlink+0x7fd/0xa30 [ 28.042615][ T257] ? __pfx_rtnl_newlink+0x10/0x10 [ 28.042742][ T257] ? find_held_lock+0x2c/0x110 [ 28.042872][ T257] ? __lock_release+0x103/0x460 [ 28.043003][ T257] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 28.043133][ T257] ? __pfx___lock_release+0x10/0x10 [ 28.043263][ T257] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 28.043393][ T257] ? __pfx_rtnl_newlink+0x10/0x10 [ 28.043521][ T257] rtnetlink_rcv_msg+0x712/0xc10 [ 28.043648][ T257] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 28.043778][ T257] ? hlock_class+0x4e/0x130 [ 28.043927][ T257] ? mark_lock+0x38/0x3e0 [ 28.044027][ T257] ? __lock_acquire+0xb3f/0x1580 [ 28.044158][ T257] netlink_rcv_skb+0x130/0x360 [ 28.044293][ T257] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 28.044423][ T257] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 28.044555][ T257] ? netlink_deliver_tap+0x13e/0x340 [ 28.044706][ T257] ? netlink_deliver_tap+0xc3/0x340 [ 28.044838][ T257] netlink_unicast+0x44b/0x710 [ 28.044964][ T257] ? __pfx_netlink_unicast+0x10/0x10 [ 28.045107][ T257] ? find_held_lock+0x2c/0x110 [ 28.045242][ T257] netlink_sendmsg+0x723/0xbe0 [ 28.045372][ T257] ? __pfx_netlink_sendmsg+0x10/0x10 [ 28.045502][ T257] ____sys_sendmsg+0x7ac/0xa10 [ 28.045665][ T257] ? __pfx_____sys_sendmsg+0x10/0x10 [ 28.045818][ T257] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 28.045980][ T257] ? hlock_class+0x4e/0x130 [ 28.046107][ T257] ? validate_chain+0x130/0x9b0 [ 28.046240][ T257] ___sys_sendmsg+0xee/0x170 [ 28.046372][ T257] ? __pfx_validate_chain+0x10/0x10 [ 28.046500][ T257] ? __pfx____sys_sendmsg+0x10/0x10 [ 28.046633][ T257] ? __lock_acquire+0xb3f/0x1580 [ 28.046766][ T257] ? find_held_lock+0x2c/0x110 [ 28.046895][ T257] ? __lock_release+0x103/0x460 [ 28.047022][ T257] ? __might_fault+0x11b/0x170 [ 28.047152][ T257] ? fdget+0x52/0x1e0 [ 28.047252][ T257] ? lock_acquire+0x32/0xc0 [ 28.047382][ T257] __sys_sendmsg+0xcd/0x170 [ 28.047510][ T257] ? __pfx___sys_sendmsg+0x10/0x10 [ 28.047636][ T257] ? rseq_update_cpu_node_id+0xe6/0x140 [ 28.047770][ T257] do_syscall_64+0xc1/0x1d0 [ 28.047899][ T257] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 28.048059][ T257] RIP: 0033:0x7fb53e9327b7 [ 28.048194][ 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 [ 28.048642][ T257] RSP: 002b:00007ffe9585b078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.048835][ T257] RAX: ffffffffffffffda RBX: 00007ffe9585b7a0 RCX: 00007fb53e9327b7 [ 28.049026][ T257] RDX: 0000000000000000 RSI: 00007ffe9585b0e0 RDI: 0000000000000005 [ 28.049217][ T257] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 28.049408][ T257] R10: 00007fb53e7eb708 R11: 0000000000000246 R12: 00007ffe9585b7b8 [ 28.049606][ T257] R13: 000000006729dce5 R14: 0000000000496600 R15: 00007ffe9585b1c8 [ 28.049825][ T257] [ 247.092566][ T43] INFO: task ip:257 blocked for more than 122 seconds. [ 247.093054][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.093180][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.093409][ T43] task:ip state:D stack:25792 pid:257 tgid:257 ppid:242 flags:0x00004002 [ 247.093657][ T43] Call Trace: [ 247.093750][ T43] [ 247.093821][ T43] __schedule+0xa19/0x1dc0 [ 247.093952][ T43] ? __pfx___schedule+0x10/0x10 [ 247.094075][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.094208][ T43] ? trace_lock_release+0x10e/0x180 [ 247.094337][ T43] schedule+0xdf/0x210 [ 247.094429][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.094547][ T43] __mutex_lock+0x634/0xac0 [ 247.094669][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.094796][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.094929][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.095046][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.095161][ T43] rtnl_newlink+0x64b/0xa30 [ 247.095279][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.095404][ T43] ? find_held_lock+0x2c/0x110 [ 247.095520][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.095658][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.095922][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.096068][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.096196][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.096316][ T43] ? hlock_class+0x4e/0x130 [ 247.096441][ T43] ? mark_lock+0x38/0x3e0 [ 247.096532][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.096667][ T43] netlink_rcv_skb+0x130/0x360 [ 247.096787][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.096904][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.097025][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.097150][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.097265][ T43] netlink_unicast+0x44b/0x710 [ 247.097387][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.097504][ T43] ? find_held_lock+0x2c/0x110 [ 247.097623][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.097739][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.097854][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.097973][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.098097][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.098243][ T43] ? hlock_class+0x4e/0x130 [ 247.098363][ T43] ? validate_chain+0x130/0x9b0 [ 247.098482][ T43] ___sys_sendmsg+0xee/0x170 [ 247.098600][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.098713][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.098831][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.098948][ T43] ? find_held_lock+0x2c/0x110 [ 247.099067][ T43] ? __lock_release+0x103/0x460 [ 247.099185][ T43] ? __might_fault+0x11b/0x170 [ 247.099302][ T43] ? fdget+0x52/0x1e0 [ 247.099394][ T43] ? lock_acquire+0x32/0xc0 [ 247.099509][ T43] __sys_sendmsg+0xcd/0x170 [ 247.099627][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.099740][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.099865][ T43] do_syscall_64+0xc1/0x1d0 [ 247.099984][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.100134][ T43] RIP: 0033:0x7fb53e9327b7 [ 247.100256][ T43] RSP: 002b:00007ffe9585b078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.100437][ T43] RAX: ffffffffffffffda RBX: 00007ffe9585b7a0 RCX: 00007fb53e9327b7 [ 247.100612][ T43] RDX: 0000000000000000 RSI: 00007ffe9585b0e0 RDI: 0000000000000005 [ 247.100783][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.100961][ T43] R10: 00007fb53e7eb708 R11: 0000000000000246 R12: 00007ffe9585b7b8 [ 247.101135][ T43] R13: 000000006729dce5 R14: 0000000000496600 R15: 00007ffe9585b1c8 [ 247.101315][ T43] [ 247.101410][ T43] INFO: lockdep is turned off. [ 369.972479][ T43] INFO: task kworker/u16:1:75 blocked for more than 122 seconds. [ 369.973287][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.973517][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.973816][ T43] task:kworker/u16:1 state:D stack:30248 pid:75 tgid:75 ppid:2 flags:0x00004000 [ 369.974174][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.974425][ T43] Call Trace: [ 369.974568][ T43] [ 369.974662][ T43] __schedule+0xa19/0x1dc0 [ 369.974844][ T43] ? __pfx___schedule+0x10/0x10 [ 369.975019][ T43] ? __lock_release+0x103/0x460 [ 369.975201][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975384][ T43] ? trace_lock_release+0x10e/0x180 [ 369.975560][ T43] schedule+0xdf/0x210 [ 369.975695][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.975868][ T43] __mutex_lock+0x634/0xac0 [ 369.976047][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.976219][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.976401][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.976577][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976752][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976928][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.977098][ T43] addrconf_verify_work+0x12/0x30 [ 369.977271][ T43] process_one_work+0xe55/0x16d0 [ 369.977458][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.977632][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.977811][ T43] ? assign_work+0x16c/0x240 [ 369.977985][ T43] worker_thread+0x58c/0xce0 [ 369.978156][ T43] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 369.978383][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.978555][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.978724][ T43] kthread+0x28a/0x350 [ 369.978856][ T43] ? __pfx_kthread+0x10/0x10 [ 369.979031][ T43] ret_from_fork+0x31/0x70 [ 369.979208][ T43] ? __pfx_kthread+0x10/0x10 [ 369.979387][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.979569][ T43] [ 369.979712][ T43] INFO: task ip:257 blocked for more than 245 seconds. [ 369.979913][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.980072][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.980356][ T43] task:ip state:D stack:25792 pid:257 tgid:257 ppid:242 flags:0x00004002 [ 369.980703][ T43] Call Trace: [ 369.980835][ T43] [ 369.980925][ T43] __schedule+0xa19/0x1dc0 [ 369.981103][ T43] ? __pfx___schedule+0x10/0x10 [ 369.981282][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.981463][ T43] ? trace_lock_release+0x10e/0x180 [ 369.981639][ T43] schedule+0xdf/0x210 [ 369.981772][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.981960][ T43] __mutex_lock+0x634/0xac0 [ 369.982145][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.982335][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.982509][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.982692][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.982863][ T43] rtnl_newlink+0x64b/0xa30 [ 369.983037][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.983210][ T43] ? find_held_lock+0x2c/0x110 [ 369.983390][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.983573][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.983743][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.983916][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.984091][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.984264][ T43] ? hlock_class+0x4e/0x130 [ 369.984444][ T43] ? mark_lock+0x38/0x3e0 [ 369.984579][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.984756][ T43] netlink_rcv_skb+0x130/0x360 [ 369.984936][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.985115][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.985297][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.985477][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.985651][ T43] netlink_unicast+0x44b/0x710 [ 369.985830][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.986003][ T43] ? find_held_lock+0x2c/0x110 [ 369.986179][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.986360][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.986551][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.986729][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.986900][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.987115][ T43] ? hlock_class+0x4e/0x130 [ 369.987292][ T43] ? validate_chain+0x130/0x9b0 [ 369.987473][ T43] ___sys_sendmsg+0xee/0x170 [ 369.987645][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.987833][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.988015][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.988192][ T43] ? find_held_lock+0x2c/0x110 [ 369.988382][ T43] ? __lock_release+0x103/0x460 [ 369.988556][ T43] ? __might_fault+0x11b/0x170 [ 369.988735][ T43] ? fdget+0x52/0x1e0 [ 369.988867][ T43] ? lock_acquire+0x32/0xc0 [ 369.989041][ T43] __sys_sendmsg+0xcd/0x170 [ 369.989213][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.989397][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.989585][ T43] do_syscall_64+0xc1/0x1d0 [ 369.989762][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.989978][ T43] RIP: 0033:0x7fb53e9327b7 [ 369.990159][ T43] RSP: 002b:00007ffe9585b078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.990425][ T43] RAX: ffffffffffffffda RBX: 00007ffe9585b7a0 RCX: 00007fb53e9327b7 [ 369.990678][ T43] RDX: 0000000000000000 RSI: 00007ffe9585b0e0 RDI: 0000000000000005 [ 369.990940][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.991196][ T43] R10: 00007fb53e7eb708 R11: 0000000000000246 R12: 00007ffe9585b7b8 [ 369.991456][ T43] R13: 000000006729dce5 R14: 0000000000496600 R15: 00007ffe9585b1c8 [ 369.991719][ T43] [ 369.991849][ T43] INFO: lockdep is turned off. HARD STOP (406.468192) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr