[ 26.619795][ T255] [ 26.619888][ T255] ===================================== [ 26.620017][ T255] WARNING: bad unlock balance detected! [ 26.620142][ T255] 6.12.0-rc5-virtme #1 Not tainted [ 26.620272][ T255] ------------------------------------- [ 26.620396][ T255] ip/255 is trying to release lock (rtnl_mutex) at: [ 26.620556][ T255] [] __rtnl_unlock+0x69/0xf0 [ 26.620716][ T255] but there are no more locks to release! [ 26.620840][ T255] [ 26.620840][ T255] other info that might help us debug this: [ 26.621026][ T255] no locks held by ip/255. [ 26.621155][ T255] [ 26.621155][ T255] stack backtrace: [ 26.621310][ T255] CPU: 3 UID: 0 PID: 255 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 26.621505][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.621789][ T255] Call Trace: [ 26.621892][ T255] [ 26.621958][ T255] dump_stack_lvl+0x82/0xd0 [ 26.622093][ T255] ? __rtnl_unlock+0x69/0xf0 [ 26.622222][ T255] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 26.622354][ T255] __lock_release+0x2f7/0x460 [ 26.622480][ T255] ? __pfx___lock_release+0x10/0x10 [ 26.622611][ T255] ? __rtnl_unlock+0x69/0xf0 [ 26.622737][ T255] lock_release+0xd7/0x140 [ 26.622866][ T255] __mutex_unlock_slowpath+0x8f/0x3b0 [ 26.622994][ T255] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 26.623123][ T255] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 26.623282][ T255] ? rtnl_link_ops_get+0x187/0x220 [ 26.623411][ T255] __rtnl_unlock+0x69/0xf0 [ 26.623537][ T255] rtnl_newlink+0x7fd/0xa30 [ 26.623665][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.623791][ T255] ? find_held_lock+0x2c/0x110 [ 26.623920][ T255] ? __lock_release+0x103/0x460 [ 26.624048][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.624176][ T255] ? __pfx___lock_release+0x10/0x10 [ 26.624304][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.624431][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.624556][ T255] rtnetlink_rcv_msg+0x712/0xc10 [ 26.624686][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.624812][ T255] ? hlock_class+0x4e/0x130 [ 26.624939][ T255] ? mark_lock+0x38/0x3e0 [ 26.625037][ T255] ? __lock_acquire+0xb3f/0x1580 [ 26.625165][ T255] netlink_rcv_skb+0x130/0x360 [ 26.625294][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.625420][ T255] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 26.625551][ T255] ? netlink_deliver_tap+0x13e/0x340 [ 26.625678][ T255] ? netlink_deliver_tap+0xc3/0x340 [ 26.625806][ T255] netlink_unicast+0x44b/0x710 [ 26.625935][ T255] ? __pfx_netlink_unicast+0x10/0x10 [ 26.626062][ T255] ? find_held_lock+0x2c/0x110 [ 26.626190][ T255] netlink_sendmsg+0x723/0xbe0 [ 26.626322][ T255] ? __pfx_netlink_sendmsg+0x10/0x10 [ 26.626451][ T255] ____sys_sendmsg+0x7ac/0xa10 [ 26.626580][ T255] ? __pfx_____sys_sendmsg+0x10/0x10 [ 26.626706][ T255] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 26.626864][ T255] ? hlock_class+0x4e/0x130 [ 26.626992][ T255] ? validate_chain+0x130/0x9b0 [ 26.627120][ T255] ___sys_sendmsg+0xee/0x170 [ 26.627247][ T255] ? __pfx_validate_chain+0x10/0x10 [ 26.627376][ T255] ? __pfx____sys_sendmsg+0x10/0x10 [ 26.627502][ T255] ? __lock_acquire+0xb3f/0x1580 [ 26.627631][ T255] ? find_held_lock+0x2c/0x110 [ 26.627760][ T255] ? __lock_release+0x103/0x460 [ 26.627887][ T255] ? __might_fault+0x11b/0x170 [ 26.628014][ T255] ? fdget+0x52/0x1e0 [ 26.628111][ T255] ? lock_acquire+0x32/0xc0 [ 26.628239][ T255] __sys_sendmsg+0xcd/0x170 [ 26.628365][ T255] ? __pfx___sys_sendmsg+0x10/0x10 [ 26.628493][ T255] ? rseq_update_cpu_node_id+0xe6/0x140 [ 26.628626][ T255] do_syscall_64+0xc1/0x1d0 [ 26.628757][ T255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.628922][ T255] RIP: 0033:0x7f60ca1367b7 [ 26.629054][ 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 [ 26.629502][ T255] RSP: 002b:00007fff4512f7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.629694][ T255] RAX: ffffffffffffffda RBX: 00007fff4512ff10 RCX: 00007f60ca1367b7 [ 26.629885][ T255] RDX: 0000000000000000 RSI: 00007fff4512f850 RDI: 0000000000000005 [ 26.630075][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 26.630269][ T255] R10: 00007f60c9fef708 R11: 0000000000000246 R12: 00007fff4512ff28 [ 26.630464][ T255] R13: 00000000672a074c R14: 0000000000496600 R15: 00007fff4512f938 [ 26.630656][ T255] [ 247.089494][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.090090][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.090449][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.090763][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 247.091006][ T43] Call Trace: [ 247.091098][ T43] [ 247.091166][ T43] __schedule+0xa19/0x1dc0 [ 247.091308][ T43] ? __pfx___schedule+0x10/0x10 [ 247.091436][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.091565][ T43] ? trace_lock_release+0x10e/0x180 [ 247.091700][ T43] schedule+0xdf/0x210 [ 247.091789][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.091906][ T43] __mutex_lock+0x634/0xac0 [ 247.092031][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.092151][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.092273][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.092417][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.092535][ T43] rtnl_newlink+0x64b/0xa30 [ 247.092653][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.092767][ T43] ? find_held_lock+0x2c/0x110 [ 247.092886][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.093006][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.093120][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.093237][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.093362][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.093476][ T43] ? hlock_class+0x4e/0x130 [ 247.093594][ T43] ? mark_lock+0x38/0x3e0 [ 247.093683][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.093797][ T43] netlink_rcv_skb+0x130/0x360 [ 247.093915][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.094032][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.094150][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.094281][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.094397][ T43] netlink_unicast+0x44b/0x710 [ 247.094516][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.094630][ T43] ? find_held_lock+0x2c/0x110 [ 247.094747][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.094864][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.094981][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.095098][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.095215][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.095362][ T43] ? hlock_class+0x4e/0x130 [ 247.095478][ T43] ? validate_chain+0x130/0x9b0 [ 247.095597][ T43] ___sys_sendmsg+0xee/0x170 [ 247.095713][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.095828][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.095943][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.096063][ T43] ? find_held_lock+0x2c/0x110 [ 247.096181][ T43] ? __lock_release+0x103/0x460 [ 247.096297][ T43] ? __might_fault+0x11b/0x170 [ 247.096414][ T43] ? fdget+0x52/0x1e0 [ 247.096505][ T43] ? lock_acquire+0x32/0xc0 [ 247.096620][ T43] __sys_sendmsg+0xcd/0x170 [ 247.096737][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.096854][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.096975][ T43] do_syscall_64+0xc1/0x1d0 [ 247.097094][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.097241][ T43] RIP: 0033:0x7f60ca1367b7 [ 247.097369][ T43] RSP: 002b:00007fff4512f7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.097545][ T43] RAX: ffffffffffffffda RBX: 00007fff4512ff10 RCX: 00007f60ca1367b7 [ 247.097721][ T43] RDX: 0000000000000000 RSI: 00007fff4512f850 RDI: 0000000000000005 [ 247.097893][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.098067][ T43] R10: 00007f60c9fef708 R11: 0000000000000246 R12: 00007fff4512ff28 [ 247.098238][ T43] R13: 00000000672a074c R14: 0000000000496600 R15: 00007fff4512f938 [ 247.098424][ T43] [ 247.098514][ T43] INFO: lockdep is turned off. HARD STOP (343.810776) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr [ 369.969409][ T43] INFO: task kworker/u16:1:76 blocked for more than 122 seconds. [ 369.969732][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.969846][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.970044][ T43] task:kworker/u16:1 state:D stack:30248 pid:76 tgid:76 ppid:2 flags:0x00004000 [ 369.970309][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.970468][ T43] Call Trace: [ 369.970559][ T43] [ 369.970622][ T43] __schedule+0xa19/0x1dc0 [ 369.970748][ T43] ? __pfx___schedule+0x10/0x10 [ 369.970867][ T43] ? __lock_release+0x103/0x460 [ 369.970992][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.971113][ T43] ? trace_lock_release+0x10e/0x180 [ 369.971232][ T43] schedule+0xdf/0x210 [ 369.971330][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.971447][ T43] __mutex_lock+0x634/0xac0 [ 369.971568][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.971685][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.971803][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.971937][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.972053][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.972170][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.972293][ T43] addrconf_verify_work+0x12/0x30 [ 369.972411][ T43] process_one_work+0xe55/0x16d0 [ 369.972528][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.972642][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.972762][ T43] ? assign_work+0x16c/0x240 [ 369.972882][ T43] worker_thread+0x58c/0xce0 [ 369.972996][ T43] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 369.973139][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.973252][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.973371][ T43] kthread+0x28a/0x350 [ 369.973459][ T43] ? __pfx_kthread+0x10/0x10 [ 369.973574][ T43] ret_from_fork+0x31/0x70 [ 369.973690][ T43] ? __pfx_kthread+0x10/0x10 [ 369.973808][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.973927][ T43] [ 369.974015][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.974149][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.974274][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.974480][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004006 [ 369.974712][ T43] Call Trace: [ 369.974802][ T43] [ 369.974863][ T43] __schedule+0xa19/0x1dc0 [ 369.974983][ T43] ? __pfx___schedule+0x10/0x10 [ 369.975102][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975222][ T43] ? trace_lock_release+0x10e/0x180 [ 369.975347][ T43] schedule+0xdf/0x210 [ 369.975435][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.975563][ T43] __mutex_lock+0x634/0xac0 [ 369.975683][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.975799][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.975914][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.976032][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.976147][ T43] rtnl_newlink+0x64b/0xa30 [ 369.976271][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.976386][ T43] ? find_held_lock+0x2c/0x110 [ 369.976502][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.976616][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.976733][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.976846][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.976960][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.977088][ T43] ? hlock_class+0x4e/0x130 [ 369.977200][ T43] ? mark_lock+0x38/0x3e0 [ 369.977296][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.977409][ T43] netlink_rcv_skb+0x130/0x360 [ 369.977524][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.977641][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.977758][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.977871][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.977984][ T43] netlink_unicast+0x44b/0x710 [ 369.978099][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.978225][ T43] ? find_held_lock+0x2c/0x110 [ 369.978374][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.978492][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.978614][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.978737][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.978853][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.978997][ T43] ? hlock_class+0x4e/0x130 [ 369.979116][ T43] ? validate_chain+0x130/0x9b0 [ 369.979233][ T43] ___sys_sendmsg+0xee/0x170 [ 369.979354][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.979481][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.979599][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.979715][ T43] ? find_held_lock+0x2c/0x110 [ 369.979830][ T43] ? __lock_release+0x103/0x460 [ 369.979942][ T43] ? __might_fault+0x11b/0x170 [ 369.980057][ T43] ? fdget+0x52/0x1e0 [ 369.980144][ T43] ? lock_acquire+0x32/0xc0 [ 369.980267][ T43] __sys_sendmsg+0xcd/0x170 [ 369.980382][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.980493][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.980618][ T43] do_syscall_64+0xc1/0x1d0 [ 369.980735][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.980877][ T43] RIP: 0033:0x7f60ca1367b7 [ 369.980994][ T43] RSP: 002b:00007fff4512f7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.981164][ T43] RAX: ffffffffffffffda RBX: 00007fff4512ff10 RCX: 00007f60ca1367b7 [ 369.981338][ T43] RDX: 0000000000000000 RSI: 00007fff4512f850 RDI: 0000000000000005 [ 369.981508][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.981675][ T43] R10: 00007f60c9fef708 R11: 0000000000000246 R12: 00007fff4512ff28 [ 369.981844][ T43] R13: 00000000672a074c R14: 0000000000496600 R15: 00007fff4512f938 [ 369.982016][ T43] [ 369.982102][ T43] INFO: lockdep is turned off. WAIT TIMEOUT stderr