[ 27.153028][ T256] [ 27.153171][ T256] ===================================== [ 27.153379][ T256] WARNING: bad unlock balance detected! [ 27.153546][ T256] 6.12.0-rc5-virtme #1 Not tainted [ 27.153685][ T256] ------------------------------------- [ 27.153824][ T256] ip/256 is trying to release lock (rtnl_mutex) at: [ 27.154000][ T256] [<ffffffff852a8d19>] __rtnl_unlock+0x69/0xf0 [ 27.154176][ T256] but there are no more locks to release! [ 27.154314][ T256] [ 27.154314][ T256] other info that might help us debug this: [ 27.154518][ T256] no locks held by ip/256. [ 27.154662][ T256] [ 27.154662][ T256] stack backtrace: [ 27.154834][ T256] CPU: 3 UID: 0 PID: 256 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.155045][ T256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.155372][ T256] Call Trace: [ 27.155484][ T256] <TASK> [ 27.155557][ T256] dump_stack_lvl+0x82/0xd0 [ 27.155703][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.155848][ T256] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.155993][ T256] __lock_release+0x2f7/0x460 [ 27.156137][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.156282][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.156425][ T256] lock_release+0xd7/0x140 [ 27.156565][ T256] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.156709][ T256] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.156850][ T256] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.157031][ T256] ? rtnl_link_ops_get+0x187/0x220 [ 27.157177][ T256] __rtnl_unlock+0x69/0xf0 [ 27.157319][ T256] rtnl_newlink+0x7fd/0xa30 [ 27.157459][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.157600][ T256] ? find_held_lock+0x2c/0x110 [ 27.157741][ T256] ? __lock_release+0x103/0x460 [ 27.157880][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.158022][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.158165][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.158303][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.158441][ T256] rtnetlink_rcv_msg+0x712/0xc10 [ 27.158582][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.158723][ T256] ? hlock_class+0x4e/0x130 [ 27.158863][ T256] ? mark_lock+0x38/0x3e0 [ 27.158971][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.159113][ T256] netlink_rcv_skb+0x130/0x360 [ 27.159257][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.159404][ T256] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.159549][ T256] ? netlink_deliver_tap+0x13e/0x340 [ 27.159691][ T256] ? netlink_deliver_tap+0xc3/0x340 [ 27.159833][ T256] netlink_unicast+0x44b/0x710 [ 27.159980][ T256] ? __pfx_netlink_unicast+0x10/0x10 [ 27.160119][ T256] ? find_held_lock+0x2c/0x110 [ 27.160263][ T256] netlink_sendmsg+0x723/0xbe0 [ 27.160408][ T256] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.160562][ T256] ____sys_sendmsg+0x7ac/0xa10 [ 27.160703][ T256] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.160842][ T256] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.161020][ T256] ? hlock_class+0x4e/0x130 [ 27.161163][ T256] ? validate_chain+0x130/0x9b0 [ 27.161304][ T256] ___sys_sendmsg+0xee/0x170 [ 27.161443][ T256] ? __pfx_validate_chain+0x10/0x10 [ 27.161583][ T256] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.161723][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.161866][ T256] ? find_held_lock+0x2c/0x110 [ 27.162006][ T256] ? __lock_release+0x103/0x460 [ 27.162144][ T256] ? __might_fault+0x11b/0x170 [ 27.162317][ T256] ? fdget+0x52/0x1e0 [ 27.162427][ T256] ? lock_acquire+0x32/0xc0 [ 27.162569][ T256] __sys_sendmsg+0xcd/0x170 [ 27.162711][ T256] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.162853][ T256] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.163001][ T256] do_syscall_64+0xc1/0x1d0 [ 27.163148][ T256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.163324][ T256] RIP: 0033:0x7fdccb33d7b7 [ 27.163482][ T256] 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 [ 27.163981][ T256] RSP: 002b:00007ffd6dc063b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.164194][ T256] RAX: ffffffffffffffda RBX: 00007ffd6dc06ae0 RCX: 00007fdccb33d7b7 [ 27.164407][ T256] RDX: 0000000000000000 RSI: 00007ffd6dc06420 RDI: 0000000000000005 [ 27.164621][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.164835][ T256] R10: 00007fdccb1f6708 R11: 0000000000000246 R12: 00007ffd6dc06af8 [ 27.165048][ T256] R13: 000000006729dcfb R14: 0000000000496600 R15: 00007ffd6dc06508 [ 27.165261][ T256] </TASK> [ 247.087627][ T43] INFO: task ip:256 blocked for more than 122 seconds. [ 247.088280][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.088615][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.088824][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:242 flags:0x00004002 [ 247.089077][ T43] Call Trace: [ 247.089169][ T43] <TASK> [ 247.089237][ T43] __schedule+0xa19/0x1dc0 [ 247.089381][ T43] ? __pfx___schedule+0x10/0x10 [ 247.089516][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.089635][ T43] ? trace_lock_release+0x10e/0x180 [ 247.089765][ T43] schedule+0xdf/0x210 [ 247.089853][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.089968][ T43] __mutex_lock+0x634/0xac0 [ 247.090087][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.090205][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.090322][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.090446][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.090561][ T43] rtnl_newlink+0x64b/0xa30 [ 247.090677][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.090800][ T43] ? find_held_lock+0x2c/0x110 [ 247.090946][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.091070][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.091187][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.091307][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.091435][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.091567][ T43] ? hlock_class+0x4e/0x130 [ 247.091682][ T43] ? mark_lock+0x38/0x3e0 [ 247.091771][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.091883][ T43] netlink_rcv_skb+0x130/0x360 [ 247.091999][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.092117][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.092234][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.092350][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.092466][ T43] netlink_unicast+0x44b/0x710 [ 247.092582][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.092698][ T43] ? find_held_lock+0x2c/0x110 [ 247.092810][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.092924][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.093043][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.093157][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.093269][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.093414][ T43] ? hlock_class+0x4e/0x130 [ 247.093530][ T43] ? validate_chain+0x130/0x9b0 [ 247.093645][ T43] ___sys_sendmsg+0xee/0x170 [ 247.093756][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.093870][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.093983][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.094100][ T43] ? find_held_lock+0x2c/0x110 [ 247.094215][ T43] ? __lock_release+0x103/0x460 [ 247.094374][ T43] ? __might_fault+0x11b/0x170 [ 247.094517][ T43] ? fdget+0x52/0x1e0 [ 247.094617][ T43] ? lock_acquire+0x32/0xc0 [ 247.094746][ T43] __sys_sendmsg+0xcd/0x170 [ 247.094867][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.094985][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.095120][ T43] do_syscall_64+0xc1/0x1d0 [ 247.095247][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.095409][ T43] RIP: 0033:0x7fdccb33d7b7 [ 247.095538][ T43] RSP: 002b:00007ffd6dc063b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.095737][ T43] RAX: ffffffffffffffda RBX: 00007ffd6dc06ae0 RCX: 00007fdccb33d7b7 [ 247.095920][ T43] RDX: 0000000000000000 RSI: 00007ffd6dc06420 RDI: 0000000000000005 [ 247.096100][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.096283][ T43] R10: 00007fdccb1f6708 R11: 0000000000000246 R12: 00007ffd6dc06af8 [ 247.096483][ T43] R13: 000000006729dcfb R14: 0000000000496600 R15: 00007ffd6dc06508 [ 247.096668][ T43] </TASK> [ 247.096762][ T43] INFO: lockdep is turned off. [ 369.967517][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.968225][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.968361][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.968571][ T43] task:kworker/u16:0 state:D stack:29080 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.968823][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.968981][ T43] Call Trace: [ 369.969071][ T43] <TASK> [ 369.969135][ T43] __schedule+0xa19/0x1dc0 [ 369.969262][ T43] ? __pfx___schedule+0x10/0x10 [ 369.969396][ T43] ? __lock_release+0x103/0x460 [ 369.969519][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.969640][ T43] ? trace_lock_release+0x10e/0x180 [ 369.969760][ T43] schedule+0xdf/0x210 [ 369.969854][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.969969][ T43] __mutex_lock+0x634/0xac0 [ 369.970091][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.970227][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.970353][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.970472][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.970586][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.970701][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.970825][ T43] addrconf_verify_work+0x12/0x30 [ 369.970938][ T43] process_one_work+0xe55/0x16d0 [ 369.971064][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.971174][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.971289][ T43] ? assign_work+0x16c/0x240 [ 369.971412][ T43] worker_thread+0x58c/0xce0 [ 369.971527][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.971636][ T43] kthread+0x28a/0x350 [ 369.971729][ T43] ? __pfx_kthread+0x10/0x10 [ 369.971838][ T43] ret_from_fork+0x31/0x70 [ 369.971953][ T43] ? __pfx_kthread+0x10/0x10 [ 369.972062][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.972180][ T43] </TASK> [ 369.972287][ T43] INFO: task ip:256 blocked for more than 245 seconds. [ 369.972432][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.972559][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.972749][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:242 flags:0x00004002 [ 369.972975][ T43] Call Trace: [ 369.973062][ T43] <TASK> [ 369.973121][ T43] __schedule+0xa19/0x1dc0 [ 369.973241][ T43] ? __pfx___schedule+0x10/0x10 [ 369.973365][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.973482][ T43] ? trace_lock_release+0x10e/0x180 [ 369.973600][ T43] schedule+0xdf/0x210 [ 369.973688][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.973810][ T43] __mutex_lock+0x634/0xac0 [ 369.973924][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.974038][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.974149][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974264][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.974379][ T43] rtnl_newlink+0x64b/0xa30 [ 369.974488][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.974600][ T43] ? find_held_lock+0x2c/0x110 [ 369.974715][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.974825][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.974933][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.975041][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.975154][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.975264][ T43] ? hlock_class+0x4e/0x130 [ 369.975384][ T43] ? mark_lock+0x38/0x3e0 [ 369.975471][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.975584][ T43] netlink_rcv_skb+0x130/0x360 [ 369.975700][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.975809][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.975925][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.976034][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.976147][ T43] netlink_unicast+0x44b/0x710 [ 369.976258][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.976383][ T43] ? find_held_lock+0x2c/0x110 [ 369.976523][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.976643][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.976763][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.976879][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.976992][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.977138][ T43] ? hlock_class+0x4e/0x130 [ 369.977256][ T43] ? validate_chain+0x130/0x9b0 [ 369.977382][ T43] ___sys_sendmsg+0xee/0x170 [ 369.977498][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.977611][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.977739][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.977853][ T43] ? find_held_lock+0x2c/0x110 [ 369.977963][ T43] ? __lock_release+0x103/0x460 [ 369.978071][ T43] ? __might_fault+0x11b/0x170 [ 369.978189][ T43] ? fdget+0x52/0x1e0 [ 369.978276][ T43] ? lock_acquire+0x32/0xc0 [ 369.978411][ T43] __sys_sendmsg+0xcd/0x170 [ 369.978523][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.978637][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.978757][ T43] do_syscall_64+0xc1/0x1d0 [ 369.978873][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.979027][ T43] RIP: 0033:0x7fdccb33d7b7 [ 369.979144][ T43] RSP: 002b:00007ffd6dc063b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.979312][ T43] RAX: ffffffffffffffda RBX: 00007ffd6dc06ae0 RCX: 00007fdccb33d7b7 [ 369.979477][ T43] RDX: 0000000000000000 RSI: 00007ffd6dc06420 RDI: 0000000000000005 [ 369.979642][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.979804][ T43] R10: 00007fdccb1f6708 R11: 0000000000000246 R12: 00007ffd6dc06af8 [ 369.979967][ T43] R13: 000000006729dcfb R14: 0000000000496600 R15: 00007ffd6dc06508 [ 369.980146][ T43] </TASK> [ 369.980241][ T43] INFO: lockdep is turned off. HARD STOP (382.798295) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr