[ 27.437138][ T255] [ 27.437243][ T255] ===================================== [ 27.437370][ T255] WARNING: bad unlock balance detected! [ 27.437500][ T255] 6.12.0-rc5-virtme #1 Not tainted [ 27.437628][ T255] ------------------------------------- [ 27.437753][ T255] ip/255 is trying to release lock (rtnl_mutex) at: [ 27.437912][ T255] [] __rtnl_unlock+0x69/0xf0 [ 27.438077][ T255] but there are no more locks to release! [ 27.438200][ T255] [ 27.438200][ T255] other info that might help us debug this: [ 27.438389][ T255] no locks held by ip/255. [ 27.438520][ T255] [ 27.438520][ T255] stack backtrace: [ 27.438676][ T255] CPU: 3 UID: 0 PID: 255 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.438869][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.439164][ T255] Call Trace: [ 27.439264][ T255] [ 27.439335][ T255] dump_stack_lvl+0x82/0xd0 [ 27.439473][ T255] ? __rtnl_unlock+0x69/0xf0 [ 27.439603][ T255] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.439743][ T255] __lock_release+0x2f7/0x460 [ 27.439877][ T255] ? __pfx___lock_release+0x10/0x10 [ 27.440013][ T255] ? __rtnl_unlock+0x69/0xf0 [ 27.440140][ T255] lock_release+0xd7/0x140 [ 27.440270][ T255] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.440401][ T255] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.440534][ T255] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.440696][ T255] ? rtnl_link_ops_get+0x187/0x220 [ 27.440829][ T255] __rtnl_unlock+0x69/0xf0 [ 27.440957][ T255] rtnl_newlink+0x7fd/0xa30 [ 27.441088][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.441215][ T255] ? find_held_lock+0x2c/0x110 [ 27.441348][ T255] ? __lock_release+0x103/0x460 [ 27.441478][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.441609][ T255] ? __pfx___lock_release+0x10/0x10 [ 27.441740][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.441870][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.441999][ T255] rtnetlink_rcv_msg+0x712/0xc10 [ 27.442129][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.442259][ T255] ? hlock_class+0x4e/0x130 [ 27.442388][ T255] ? mark_lock+0x38/0x3e0 [ 27.442487][ T255] ? __lock_acquire+0xb3f/0x1580 [ 27.442619][ T255] netlink_rcv_skb+0x130/0x360 [ 27.442754][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.442884][ T255] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.443018][ T255] ? netlink_deliver_tap+0x13e/0x340 [ 27.443150][ T255] ? netlink_deliver_tap+0xc3/0x340 [ 27.443281][ T255] netlink_unicast+0x44b/0x710 [ 27.443409][ T255] ? __pfx_netlink_unicast+0x10/0x10 [ 27.443539][ T255] ? find_held_lock+0x2c/0x110 [ 27.443675][ T255] netlink_sendmsg+0x723/0xbe0 [ 27.443804][ T255] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.443938][ T255] ____sys_sendmsg+0x7ac/0xa10 [ 27.444069][ T255] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.444195][ T255] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.444354][ T255] ? hlock_class+0x4e/0x130 [ 27.444484][ T255] ? validate_chain+0x130/0x9b0 [ 27.444615][ T255] ___sys_sendmsg+0xee/0x170 [ 27.444746][ T255] ? __pfx_validate_chain+0x10/0x10 [ 27.444874][ T255] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.445004][ T255] ? __lock_acquire+0xb3f/0x1580 [ 27.445136][ T255] ? find_held_lock+0x2c/0x110 [ 27.445265][ T255] ? __lock_release+0x103/0x460 [ 27.445392][ T255] ? __might_fault+0x11b/0x170 [ 27.445523][ T255] ? fdget+0x52/0x1e0 [ 27.445622][ T255] ? lock_acquire+0x32/0xc0 [ 27.445752][ T255] __sys_sendmsg+0xcd/0x170 [ 27.445884][ T255] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.446010][ T255] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.446147][ T255] do_syscall_64+0xc1/0x1d0 [ 27.446279][ T255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.446439][ T255] RIP: 0033:0x7f6a52fb17b7 [ 27.446573][ 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 [ 27.447027][ T255] RSP: 002b:00007ffc8f3374f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.447224][ T255] RAX: ffffffffffffffda RBX: 00007ffc8f337c20 RCX: 00007f6a52fb17b7 [ 27.447414][ T255] RDX: 0000000000000000 RSI: 00007ffc8f337560 RDI: 0000000000000005 [ 27.447602][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.447797][ T255] R10: 00007f6a52e6a708 R11: 0000000000000246 R12: 00007ffc8f337c38 [ 27.447989][ T255] R13: 00000000672a0743 R14: 0000000000496600 R15: 00007ffc8f337648 [ 27.448182][ T255] [ 247.091638][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.092263][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.092571][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.092785][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:240 flags:0x00004002 [ 247.093034][ T43] Call Trace: [ 247.093128][ T43] [ 247.093197][ T43] __schedule+0xa19/0x1dc0 [ 247.093332][ T43] ? __pfx___schedule+0x10/0x10 [ 247.093475][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.093609][ T43] ? trace_lock_release+0x10e/0x180 [ 247.093731][ T43] schedule+0xdf/0x210 [ 247.093822][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.093943][ T43] __mutex_lock+0x634/0xac0 [ 247.094078][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.094198][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.094315][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.094443][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.094560][ T43] rtnl_newlink+0x64b/0xa30 [ 247.094680][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.094793][ T43] ? find_held_lock+0x2c/0x110 [ 247.094912][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.095032][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.095154][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.095290][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.095422][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.095541][ T43] ? hlock_class+0x4e/0x130 [ 247.095658][ T43] ? mark_lock+0x38/0x3e0 [ 247.095748][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.095877][ T43] netlink_rcv_skb+0x130/0x360 [ 247.095998][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.096122][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.096241][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.096358][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.096478][ T43] netlink_unicast+0x44b/0x710 [ 247.096598][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.096718][ T43] ? find_held_lock+0x2c/0x110 [ 247.096836][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.096953][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.097079][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.097202][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.097318][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.097469][ T43] ? hlock_class+0x4e/0x130 [ 247.097589][ T43] ? validate_chain+0x130/0x9b0 [ 247.097704][ T43] ___sys_sendmsg+0xee/0x170 [ 247.097821][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.097936][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.098059][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.098177][ T43] ? find_held_lock+0x2c/0x110 [ 247.098292][ T43] ? __lock_release+0x103/0x460 [ 247.098427][ T43] ? __might_fault+0x11b/0x170 [ 247.098550][ T43] ? fdget+0x52/0x1e0 [ 247.098643][ T43] ? lock_acquire+0x32/0xc0 [ 247.098760][ T43] __sys_sendmsg+0xcd/0x170 [ 247.098874][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.098989][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.099124][ T43] do_syscall_64+0xc1/0x1d0 [ 247.099247][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.099392][ T43] RIP: 0033:0x7f6a52fb17b7 [ 247.099526][ T43] RSP: 002b:00007ffc8f3374f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.099710][ T43] RAX: ffffffffffffffda RBX: 00007ffc8f337c20 RCX: 00007f6a52fb17b7 [ 247.099885][ T43] RDX: 0000000000000000 RSI: 00007ffc8f337560 RDI: 0000000000000005 [ 247.100059][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.100232][ T43] R10: 00007f6a52e6a708 R11: 0000000000000246 R12: 00007ffc8f337c38 [ 247.100407][ T43] R13: 00000000672a0743 R14: 0000000000496600 R15: 00007ffc8f337648 [ 247.100596][ T43] [ 247.100689][ T43] INFO: lockdep is turned off. [ 369.971637][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.972171][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.972317][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.972554][ T43] task:kworker/u16:0 state:D stack:29384 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.972816][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.972985][ T43] Call Trace: [ 369.973083][ T43] [ 369.973151][ T43] __schedule+0xa19/0x1dc0 [ 369.973312][ T43] ? __pfx___schedule+0x10/0x10 [ 369.973456][ T43] ? __lock_release+0x103/0x460 [ 369.973591][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.973728][ T43] ? trace_lock_release+0x10e/0x180 [ 369.973860][ T43] schedule+0xdf/0x210 [ 369.973958][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.974085][ T43] __mutex_lock+0x634/0xac0 [ 369.974215][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.974349][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.974491][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.974621][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974747][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974875][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.974996][ T43] addrconf_verify_work+0x12/0x30 [ 369.975121][ T43] process_one_work+0xe55/0x16d0 [ 369.975247][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.975375][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.975512][ T43] ? assign_work+0x16c/0x240 [ 369.975641][ T43] worker_thread+0x58c/0xce0 [ 369.975767][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.975890][ T43] kthread+0x28a/0x350 [ 369.975986][ T43] ? __pfx_kthread+0x10/0x10 [ 369.976112][ T43] ret_from_fork+0x31/0x70 [ 369.976236][ T43] ? __pfx_kthread+0x10/0x10 [ 369.976363][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.976507][ T43] [ 369.976623][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.976771][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.976890][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.977093][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:240 flags:0x00004002 [ 369.977344][ T43] Call Trace: [ 369.977446][ T43] [ 369.977511][ T43] __schedule+0xa19/0x1dc0 [ 369.977642][ T43] ? __pfx___schedule+0x10/0x10 [ 369.977806][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.977931][ T43] ? trace_lock_release+0x10e/0x180 [ 369.978055][ T43] schedule+0xdf/0x210 [ 369.978153][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.978277][ T43] __mutex_lock+0x634/0xac0 [ 369.978421][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.978552][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.978681][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.978811][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.978934][ T43] rtnl_newlink+0x64b/0xa30 [ 369.979059][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.979183][ T43] ? find_held_lock+0x2c/0x110 [ 369.979313][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.979449][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.979575][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.979700][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.979827][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.979951][ T43] ? hlock_class+0x4e/0x130 [ 369.980078][ T43] ? mark_lock+0x38/0x3e0 [ 369.980173][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.980298][ T43] netlink_rcv_skb+0x130/0x360 [ 369.980439][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.980568][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.980697][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.980821][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.980948][ T43] netlink_unicast+0x44b/0x710 [ 369.981074][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.981195][ T43] ? find_held_lock+0x2c/0x110 [ 369.981319][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.981454][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.981587][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.981713][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.981836][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.981990][ T43] ? hlock_class+0x4e/0x130 [ 369.982113][ T43] ? validate_chain+0x130/0x9b0 [ 369.982237][ T43] ___sys_sendmsg+0xee/0x170 [ 369.982361][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.982493][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.982624][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.982750][ T43] ? find_held_lock+0x2c/0x110 [ 369.982874][ T43] ? __lock_release+0x103/0x460 [ 369.983011][ T43] ? __might_fault+0x11b/0x170 [ 369.983136][ T43] ? fdget+0x52/0x1e0 [ 369.983234][ T43] ? lock_acquire+0x32/0xc0 [ 369.983358][ T43] __sys_sendmsg+0xcd/0x170 [ 369.983486][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.983612][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.983750][ T43] do_syscall_64+0xc1/0x1d0 [ 369.983881][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.984056][ T43] RIP: 0033:0x7f6a52fb17b7 [ 369.984185][ T43] RSP: 002b:00007ffc8f3374f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.984392][ T43] RAX: ffffffffffffffda RBX: 00007ffc8f337c20 RCX: 00007f6a52fb17b7 [ 369.984585][ T43] RDX: 0000000000000000 RSI: 00007ffc8f337560 RDI: 0000000000000005 [ 369.984782][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.984966][ T43] R10: 00007f6a52e6a708 R11: 0000000000000246 R12: 00007ffc8f337c38 [ 369.985152][ T43] R13: 00000000672a0743 R14: 0000000000496600 R15: 00007ffc8f337648 [ 369.985352][ T43] [ 369.985449][ T43] INFO: lockdep is turned off. HARD STOP (353.960696) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr