[ 26.561313][ T255] [ 26.561412][ T255] ===================================== [ 26.561541][ T255] WARNING: bad unlock balance detected! [ 26.561669][ T255] 6.12.0-rc5-virtme #1 Not tainted [ 26.561795][ T255] ------------------------------------- [ 26.561921][ T255] ip/255 is trying to release lock (rtnl_mutex) at: [ 26.562082][ T255] [] __rtnl_unlock+0x69/0xf0 [ 26.562258][ T255] but there are no more locks to release! [ 26.562382][ T255] [ 26.562382][ T255] other info that might help us debug this: [ 26.562563][ T255] no locks held by ip/255. [ 26.562687][ T255] [ 26.562687][ T255] stack backtrace: [ 26.562841][ T255] CPU: 3 UID: 0 PID: 255 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 26.563031][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.563328][ T255] Call Trace: [ 26.563436][ T255] [ 26.563507][ T255] dump_stack_lvl+0x82/0xd0 [ 26.563655][ T255] ? __rtnl_unlock+0x69/0xf0 [ 26.563783][ T255] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 26.563910][ T255] __lock_release+0x2f7/0x460 [ 26.564036][ T255] ? __pfx___lock_release+0x10/0x10 [ 26.564183][ T255] ? __rtnl_unlock+0x69/0xf0 [ 26.564312][ T255] lock_release+0xd7/0x140 [ 26.564440][ T255] __mutex_unlock_slowpath+0x8f/0x3b0 [ 26.564579][ T255] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 26.564705][ T255] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 26.564864][ T255] ? rtnl_link_ops_get+0x187/0x220 [ 26.564991][ T255] __rtnl_unlock+0x69/0xf0 [ 26.565115][ T255] rtnl_newlink+0x7fd/0xa30 [ 26.565243][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.565369][ T255] ? find_held_lock+0x2c/0x110 [ 26.565498][ T255] ? __lock_release+0x103/0x460 [ 26.565622][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.565749][ T255] ? __pfx___lock_release+0x10/0x10 [ 26.565883][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.566003][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.566121][ T255] rtnetlink_rcv_msg+0x712/0xc10 [ 26.566240][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.566359][ T255] ? hlock_class+0x4e/0x130 [ 26.566479][ T255] ? mark_lock+0x38/0x3e0 [ 26.566569][ T255] ? __lock_acquire+0xb3f/0x1580 [ 26.566688][ T255] netlink_rcv_skb+0x130/0x360 [ 26.566829][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.566955][ T255] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 26.567084][ T255] ? netlink_deliver_tap+0x13e/0x340 [ 26.567211][ T255] ? netlink_deliver_tap+0xc3/0x340 [ 26.567335][ T255] netlink_unicast+0x44b/0x710 [ 26.567461][ T255] ? __pfx_netlink_unicast+0x10/0x10 [ 26.567587][ T255] ? find_held_lock+0x2c/0x110 [ 26.567714][ T255] netlink_sendmsg+0x723/0xbe0 [ 26.567840][ T255] ? __pfx_netlink_sendmsg+0x10/0x10 [ 26.567988][ T255] ____sys_sendmsg+0x7ac/0xa10 [ 26.568124][ T255] ? __pfx_____sys_sendmsg+0x10/0x10 [ 26.568241][ T255] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 26.568388][ T255] ? hlock_class+0x4e/0x130 [ 26.568507][ T255] ? validate_chain+0x130/0x9b0 [ 26.568626][ T255] ___sys_sendmsg+0xee/0x170 [ 26.568744][ T255] ? __pfx_validate_chain+0x10/0x10 [ 26.568862][ T255] ? __pfx____sys_sendmsg+0x10/0x10 [ 26.568983][ T255] ? __lock_acquire+0xb3f/0x1580 [ 26.569104][ T255] ? find_held_lock+0x2c/0x110 [ 26.569222][ T255] ? __lock_release+0x103/0x460 [ 26.569340][ T255] ? __might_fault+0x11b/0x170 [ 26.569461][ T255] ? fdget+0x52/0x1e0 [ 26.569552][ T255] ? lock_acquire+0x32/0xc0 [ 26.569673][ T255] __sys_sendmsg+0xcd/0x170 [ 26.569791][ T255] ? __pfx___sys_sendmsg+0x10/0x10 [ 26.569941][ T255] ? rseq_update_cpu_node_id+0xe6/0x140 [ 26.570080][ T255] do_syscall_64+0xc1/0x1d0 [ 26.570210][ T255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.570369][ T255] RIP: 0033:0x7fac87ff87b7 [ 26.570503][ 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 [ 26.570957][ T255] RSP: 002b:00007ffe683679c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.571164][ T255] RAX: ffffffffffffffda RBX: 00007ffe683680f0 RCX: 00007fac87ff87b7 [ 26.571342][ T255] RDX: 0000000000000000 RSI: 00007ffe68367a30 RDI: 0000000000000005 [ 26.571522][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 26.571698][ T255] R10: 00007fac87eb1708 R11: 0000000000000246 R12: 00007ffe68368108 [ 26.571880][ T255] R13: 00000000672a0756 R14: 0000000000496600 R15: 00007ffe68367b18 [ 26.572068][ T255] [ 247.113654][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.114294][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.114558][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.114817][ T43] task:ip state:D stack:25672 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 247.115117][ T43] Call Trace: [ 247.115223][ T43] [ 247.115321][ T43] __schedule+0xa19/0x1dc0 [ 247.115610][ T43] ? __pfx___schedule+0x10/0x10 [ 247.115759][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.115898][ T43] ? trace_lock_release+0x10e/0x180 [ 247.116020][ T43] schedule+0xdf/0x210 [ 247.116119][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.116258][ T43] __mutex_lock+0x634/0xac0 [ 247.116385][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.116506][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.116633][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.116752][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.116876][ T43] rtnl_newlink+0x64b/0xa30 [ 247.116997][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.117117][ T43] ? find_held_lock+0x2c/0x110 [ 247.117237][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.117370][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.117492][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.117612][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.117753][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.117869][ T43] ? hlock_class+0x4e/0x130 [ 247.117984][ T43] ? mark_lock+0x38/0x3e0 [ 247.118071][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.118187][ T43] netlink_rcv_skb+0x130/0x360 [ 247.118306][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.118436][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.118604][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.118733][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.118851][ T43] netlink_unicast+0x44b/0x710 [ 247.118975][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.119094][ T43] ? find_held_lock+0x2c/0x110 [ 247.119213][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.119344][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.119468][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.119588][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.119709][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.119863][ T43] ? hlock_class+0x4e/0x130 [ 247.119983][ T43] ? validate_chain+0x130/0x9b0 [ 247.120097][ T43] ___sys_sendmsg+0xee/0x170 [ 247.120210][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.120323][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.120446][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.120568][ T43] ? find_held_lock+0x2c/0x110 [ 247.120685][ T43] ? __lock_release+0x103/0x460 [ 247.120797][ T43] ? __might_fault+0x11b/0x170 [ 247.120912][ T43] ? fdget+0x52/0x1e0 [ 247.121004][ T43] ? lock_acquire+0x32/0xc0 [ 247.121118][ T43] __sys_sendmsg+0xcd/0x170 [ 247.121230][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.121351][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.121496][ T43] do_syscall_64+0xc1/0x1d0 [ 247.121611][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.121758][ T43] RIP: 0033:0x7fac87ff87b7 [ 247.121877][ T43] RSP: 002b:00007ffe683679c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.122053][ T43] RAX: ffffffffffffffda RBX: 00007ffe683680f0 RCX: 00007fac87ff87b7 [ 247.122221][ T43] RDX: 0000000000000000 RSI: 00007ffe68367a30 RDI: 0000000000000005 [ 247.122402][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.122604][ T43] R10: 00007fac87eb1708 R11: 0000000000000246 R12: 00007ffe68368108 [ 247.122782][ T43] R13: 00000000672a0756 R14: 0000000000496600 R15: 00007ffe68367b18 [ 247.122976][ T43] [ 247.123069][ T43] INFO: lockdep is turned off. HARD STOP (333.490762) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr