[ 27.131114][ T255] [ 27.131223][ T255] ===================================== [ 27.131381][ T255] WARNING: bad unlock balance detected! [ 27.131529][ T255] 6.12.0-rc5-virtme #1 Not tainted [ 27.131668][ T255] ------------------------------------- [ 27.131804][ T255] ip/255 is trying to release lock (rtnl_mutex) at: [ 27.131982][ T255] [] __rtnl_unlock+0x69/0xf0 [ 27.132162][ T255] but there are no more locks to release! [ 27.132298][ T255] [ 27.132298][ T255] other info that might help us debug this: [ 27.132512][ T255] no locks held by ip/255. [ 27.132675][ T255] [ 27.132675][ T255] stack backtrace: [ 27.132853][ T255] CPU: 3 UID: 0 PID: 255 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.133075][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.133392][ T255] Call Trace: [ 27.133502][ T255] [ 27.133578][ T255] dump_stack_lvl+0x82/0xd0 [ 27.133738][ T255] ? __rtnl_unlock+0x69/0xf0 [ 27.133881][ T255] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.134037][ T255] __lock_release+0x2f7/0x460 [ 27.134174][ T255] ? __pfx___lock_release+0x10/0x10 [ 27.134335][ T255] ? __rtnl_unlock+0x69/0xf0 [ 27.134480][ T255] lock_release+0xd7/0x140 [ 27.134620][ T255] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.134764][ T255] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.134904][ T255] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.135082][ T255] ? rtnl_link_ops_get+0x187/0x220 [ 27.135229][ T255] __rtnl_unlock+0x69/0xf0 [ 27.135390][ T255] rtnl_newlink+0x7fd/0xa30 [ 27.135542][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.135682][ T255] ? find_held_lock+0x2c/0x110 [ 27.135827][ T255] ? __lock_release+0x103/0x460 [ 27.135972][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.136121][ T255] ? __pfx___lock_release+0x10/0x10 [ 27.136263][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.136406][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.136548][ T255] rtnetlink_rcv_msg+0x712/0xc10 [ 27.136688][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.136832][ T255] ? hlock_class+0x4e/0x130 [ 27.136972][ T255] ? mark_lock+0x38/0x3e0 [ 27.137082][ T255] ? __lock_acquire+0xb3f/0x1580 [ 27.137224][ T255] netlink_rcv_skb+0x130/0x360 [ 27.137387][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.137531][ T255] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.137683][ T255] ? netlink_deliver_tap+0x13e/0x340 [ 27.137831][ T255] ? netlink_deliver_tap+0xc3/0x340 [ 27.137979][ T255] netlink_unicast+0x44b/0x710 [ 27.138125][ T255] ? __pfx_netlink_unicast+0x10/0x10 [ 27.138272][ T255] ? find_held_lock+0x2c/0x110 [ 27.138422][ T255] netlink_sendmsg+0x723/0xbe0 [ 27.138566][ T255] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.138713][ T255] ____sys_sendmsg+0x7ac/0xa10 [ 27.138861][ T255] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.139006][ T255] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.139185][ T255] ? hlock_class+0x4e/0x130 [ 27.139333][ T255] ? validate_chain+0x130/0x9b0 [ 27.139490][ T255] ___sys_sendmsg+0xee/0x170 [ 27.139632][ T255] ? __pfx_validate_chain+0x10/0x10 [ 27.139776][ T255] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.139919][ T255] ? __lock_acquire+0xb3f/0x1580 [ 27.140062][ T255] ? find_held_lock+0x2c/0x110 [ 27.140204][ T255] ? __lock_release+0x103/0x460 [ 27.140364][ T255] ? __might_fault+0x11b/0x170 [ 27.140524][ T255] ? fdget+0x52/0x1e0 [ 27.140651][ T255] ? lock_acquire+0x32/0xc0 [ 27.140795][ T255] __sys_sendmsg+0xcd/0x170 [ 27.140940][ T255] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.141081][ T255] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.141234][ T255] do_syscall_64+0xc1/0x1d0 [ 27.141379][ T255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.141570][ T255] RIP: 0033:0x7fb6851987b7 [ 27.141720][ 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 [ 27.142236][ T255] RSP: 002b:00007ffd9b0488c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.142459][ T255] RAX: ffffffffffffffda RBX: 00007ffd9b048ff0 RCX: 00007fb6851987b7 [ 27.142678][ T255] RDX: 0000000000000000 RSI: 00007ffd9b048930 RDI: 0000000000000005 [ 27.142896][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.143112][ T255] R10: 00007fb685051708 R11: 0000000000000246 R12: 00007ffd9b049008 [ 27.143328][ T255] R13: 00000000672a3174 R14: 0000000000496600 R15: 00007ffd9b048a18 [ 27.143545][ T255] [ 247.086403][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.086990][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.087233][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.087588][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 247.088013][ T43] Call Trace: [ 247.088132][ T43] [ 247.088230][ T43] __schedule+0xa19/0x1dc0 [ 247.088390][ T43] ? __pfx___schedule+0x10/0x10 [ 247.088535][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.088684][ T43] ? trace_lock_release+0x10e/0x180 [ 247.088834][ T43] schedule+0xdf/0x210 [ 247.088948][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.089093][ T43] __mutex_lock+0x634/0xac0 [ 247.089246][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.089400][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.089551][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.089696][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.089840][ T43] rtnl_newlink+0x64b/0xa30 [ 247.089989][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.090176][ T43] ? find_held_lock+0x2c/0x110 [ 247.090341][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.090520][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.090670][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.090817][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.090966][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.091114][ T43] ? hlock_class+0x4e/0x130 [ 247.091303][ T43] ? mark_lock+0x38/0x3e0 [ 247.091417][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.091568][ T43] netlink_rcv_skb+0x130/0x360 [ 247.091722][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.091870][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.092025][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.092191][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.092345][ T43] netlink_unicast+0x44b/0x710 [ 247.092501][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.092650][ T43] ? find_held_lock+0x2c/0x110 [ 247.092795][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.092941][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.093086][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.093240][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.093390][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.093565][ T43] ? hlock_class+0x4e/0x130 [ 247.093704][ T43] ? validate_chain+0x130/0x9b0 [ 247.093853][ T43] ___sys_sendmsg+0xee/0x170 [ 247.093998][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.094139][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.094293][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.094438][ T43] ? find_held_lock+0x2c/0x110 [ 247.094583][ T43] ? __lock_release+0x103/0x460 [ 247.094723][ T43] ? __might_fault+0x11b/0x170 [ 247.094871][ T43] ? fdget+0x52/0x1e0 [ 247.094979][ T43] ? lock_acquire+0x32/0xc0 [ 247.095128][ T43] __sys_sendmsg+0xcd/0x170 [ 247.095276][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.095423][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.095577][ T43] do_syscall_64+0xc1/0x1d0 [ 247.095724][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.095897][ T43] RIP: 0033:0x7fb6851987b7 [ 247.096060][ T43] RSP: 002b:00007ffd9b0488c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.096279][ T43] RAX: ffffffffffffffda RBX: 00007ffd9b048ff0 RCX: 00007fb6851987b7 [ 247.096494][ T43] RDX: 0000000000000000 RSI: 00007ffd9b048930 RDI: 0000000000000005 [ 247.096706][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.096918][ T43] R10: 00007fb685051708 R11: 0000000000000246 R12: 00007ffd9b049008 [ 247.097135][ T43] R13: 00000000672a3174 R14: 0000000000496600 R15: 00007ffd9b048a18 [ 247.097368][ T43] [ 247.097473][ T43] INFO: lockdep is turned off. [ 369.966425][ T43] INFO: task kworker/u16:1:76 blocked for more than 122 seconds. [ 369.966948][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.967144][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.967467][ T43] task:kworker/u16:1 state:D stack:30248 pid:76 tgid:76 ppid:2 flags:0x00004000 [ 369.967784][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.967972][ T43] Call Trace: [ 369.968077][ T43] [ 369.968152][ T43] __schedule+0xa19/0x1dc0 [ 369.968317][ T43] ? __pfx___schedule+0x10/0x10 [ 369.968455][ T43] ? __lock_release+0x103/0x460 [ 369.968601][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.968743][ T43] ? trace_lock_release+0x10e/0x180 [ 369.968883][ T43] schedule+0xdf/0x210 [ 369.968999][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.969139][ T43] __mutex_lock+0x634/0xac0 [ 369.969292][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.969426][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.969565][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.969715][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.969854][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.969995][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.970137][ T43] addrconf_verify_work+0x12/0x30 [ 369.970285][ T43] process_one_work+0xe55/0x16d0 [ 369.970420][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.970605][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.970747][ T43] ? assign_work+0x16c/0x240 [ 369.970895][ T43] worker_thread+0x58c/0xce0 [ 369.971039][ T43] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 369.971243][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.971388][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.971525][ T43] kthread+0x28a/0x350 [ 369.971635][ T43] ? __pfx_kthread+0x10/0x10 [ 369.971777][ T43] ret_from_fork+0x31/0x70 [ 369.971922][ T43] ? __pfx_kthread+0x10/0x10 [ 369.972061][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.972217][ T43] [ 369.972332][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.972518][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.972649][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.972877][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 369.973157][ T43] Call Trace: [ 369.973268][ T43] [ 369.973341][ T43] __schedule+0xa19/0x1dc0 [ 369.973485][ T43] ? __pfx___schedule+0x10/0x10 [ 369.973624][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.973768][ T43] ? trace_lock_release+0x10e/0x180 [ 369.973910][ T43] schedule+0xdf/0x210 [ 369.974023][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.974161][ T43] __mutex_lock+0x634/0xac0 [ 369.974308][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.974445][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.974593][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.974729][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.974877][ T43] rtnl_newlink+0x64b/0xa30 [ 369.975013][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.975151][ T43] ? find_held_lock+0x2c/0x110 [ 369.975307][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.975455][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.975596][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.975733][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.975878][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.976021][ T43] ? hlock_class+0x4e/0x130 [ 369.976161][ T43] ? mark_lock+0x38/0x3e0 [ 369.976275][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.976419][ T43] netlink_rcv_skb+0x130/0x360 [ 369.976600][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.976741][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.976890][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.977055][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.977236][ T43] netlink_unicast+0x44b/0x710 [ 369.977382][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.977531][ T43] ? find_held_lock+0x2c/0x110 [ 369.977680][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.977832][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.977981][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.978135][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.978287][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.978489][ T43] ? hlock_class+0x4e/0x130 [ 369.978645][ T43] ? validate_chain+0x130/0x9b0 [ 369.978798][ T43] ___sys_sendmsg+0xee/0x170 [ 369.978937][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.979082][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.979247][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.979422][ T43] ? find_held_lock+0x2c/0x110 [ 369.979566][ T43] ? __lock_release+0x103/0x460 [ 369.979719][ T43] ? __might_fault+0x11b/0x170 [ 369.979865][ T43] ? fdget+0x52/0x1e0 [ 369.979972][ T43] ? lock_acquire+0x32/0xc0 [ 369.980108][ T43] __sys_sendmsg+0xcd/0x170 [ 369.980256][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.980402][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.980554][ T43] do_syscall_64+0xc1/0x1d0 [ 369.980699][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.980878][ T43] RIP: 0033:0x7fb6851987b7 [ 369.981027][ T43] RSP: 002b:00007ffd9b0488c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.981240][ T43] RAX: ffffffffffffffda RBX: 00007ffd9b048ff0 RCX: 00007fb6851987b7 [ 369.981450][ T43] RDX: 0000000000000000 RSI: 00007ffd9b048930 RDI: 0000000000000005 [ 369.981670][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.981871][ T43] R10: 00007fb685051708 R11: 0000000000000246 R12: 00007ffd9b049008 [ 369.982074][ T43] R13: 00000000672a3174 R14: 0000000000496600 R15: 00007ffd9b048a18 [ 369.982290][ T43] [ 369.982397][ T43] INFO: lockdep is turned off. HARD STOP (358.644285) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr