[ 27.566164][ T256] [ 27.566270][ T256] ===================================== [ 27.566406][ T256] WARNING: bad unlock balance detected! [ 27.566533][ T256] 6.12.0-rc5-virtme #1 Not tainted [ 27.566665][ T256] ------------------------------------- [ 27.566792][ T256] ip/256 is trying to release lock (rtnl_mutex) at: [ 27.566953][ T256] [] __rtnl_unlock+0x69/0xf0 [ 27.567121][ T256] but there are no more locks to release! [ 27.567250][ T256] [ 27.567250][ T256] other info that might help us debug this: [ 27.567446][ T256] no locks held by ip/256. [ 27.567576][ T256] [ 27.567576][ T256] stack backtrace: [ 27.567733][ T256] CPU: 1 UID: 0 PID: 256 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.567924][ T256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.568216][ T256] Call Trace: [ 27.568324][ T256] [ 27.568395][ T256] dump_stack_lvl+0x82/0xd0 [ 27.568531][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.568663][ T256] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.568796][ T256] __lock_release+0x2f7/0x460 [ 27.568926][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.569059][ T256] ? __rtnl_unlock+0x69/0xf0 [ 27.569189][ T256] lock_release+0xd7/0x140 [ 27.569319][ T256] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.569455][ T256] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.569584][ T256] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.569747][ T256] ? rtnl_link_ops_get+0x187/0x220 [ 27.569882][ T256] __rtnl_unlock+0x69/0xf0 [ 27.570022][ T256] rtnl_newlink+0x7fd/0xa30 [ 27.570151][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.570283][ T256] ? find_held_lock+0x2c/0x110 [ 27.570417][ T256] ? __lock_release+0x103/0x460 [ 27.570548][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.570682][ T256] ? __pfx___lock_release+0x10/0x10 [ 27.570816][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.570946][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.571075][ T256] rtnetlink_rcv_msg+0x712/0xc10 [ 27.571203][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.571332][ T256] ? hlock_class+0x4e/0x130 [ 27.571469][ T256] ? mark_lock+0x38/0x3e0 [ 27.571571][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.571705][ T256] netlink_rcv_skb+0x130/0x360 [ 27.571836][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.571966][ T256] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.572102][ T256] ? netlink_deliver_tap+0x13e/0x340 [ 27.572233][ T256] ? netlink_deliver_tap+0xc3/0x340 [ 27.572366][ T256] netlink_unicast+0x44b/0x710 [ 27.572504][ T256] ? __pfx_netlink_unicast+0x10/0x10 [ 27.572637][ T256] ? find_held_lock+0x2c/0x110 [ 27.572767][ T256] netlink_sendmsg+0x723/0xbe0 [ 27.572907][ T256] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.573040][ T256] ____sys_sendmsg+0x7ac/0xa10 [ 27.573173][ T256] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.573300][ T256] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.573471][ T256] ? hlock_class+0x4e/0x130 [ 27.573601][ T256] ? validate_chain+0x130/0x9b0 [ 27.573740][ T256] ___sys_sendmsg+0xee/0x170 [ 27.573867][ T256] ? __pfx_validate_chain+0x10/0x10 [ 27.573993][ T256] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.574122][ T256] ? __lock_acquire+0xb3f/0x1580 [ 27.574254][ T256] ? find_held_lock+0x2c/0x110 [ 27.574385][ T256] ? __lock_release+0x103/0x460 [ 27.574514][ T256] ? __might_fault+0x11b/0x170 [ 27.574656][ T256] ? fdget+0x52/0x1e0 [ 27.574756][ T256] ? lock_acquire+0x32/0xc0 [ 27.574892][ T256] __sys_sendmsg+0xcd/0x170 [ 27.575022][ T256] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.575148][ T256] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.575285][ T256] do_syscall_64+0xc1/0x1d0 [ 27.575426][ T256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.575589][ T256] RIP: 0033:0x7fb7c484d7b7 [ 27.575725][ 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 [ 27.576185][ T256] RSP: 002b:00007fff8bb4a818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.576384][ T256] RAX: ffffffffffffffda RBX: 00007fff8bb4af40 RCX: 00007fb7c484d7b7 [ 27.576579][ T256] RDX: 0000000000000000 RSI: 00007fff8bb4a880 RDI: 0000000000000005 [ 27.576771][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 27.576965][ T256] R10: 00007fb7c4706708 R11: 0000000000000246 R12: 00007fff8bb4af58 [ 27.577157][ T256] R13: 00000000672a3172 R14: 0000000000496600 R15: 00007fff8bb4a968 [ 27.577363][ T256] [ 247.150845][ T43] INFO: task ip:256 blocked for more than 122 seconds. [ 247.151335][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.151461][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.151712][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 247.151968][ T43] Call Trace: [ 247.152074][ T43] [ 247.152150][ T43] __schedule+0xa19/0x1dc0 [ 247.152283][ T43] ? __pfx___schedule+0x10/0x10 [ 247.152405][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.152546][ T43] ? trace_lock_release+0x10e/0x180 [ 247.152667][ T43] schedule+0xdf/0x210 [ 247.152758][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.152881][ T43] __mutex_lock+0x634/0xac0 [ 247.153004][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.153130][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.153246][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.153364][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.153485][ T43] rtnl_newlink+0x64b/0xa30 [ 247.153619][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.153734][ T43] ? find_held_lock+0x2c/0x110 [ 247.153849][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.153967][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.154085][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.154198][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.154312][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.154423][ T43] ? hlock_class+0x4e/0x130 [ 247.154545][ T43] ? mark_lock+0x38/0x3e0 [ 247.154636][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.154752][ T43] netlink_rcv_skb+0x130/0x360 [ 247.154872][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.154987][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.155106][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.155221][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.155337][ T43] netlink_unicast+0x44b/0x710 [ 247.155532][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.155650][ T43] ? find_held_lock+0x2c/0x110 [ 247.155763][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.155877][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.155992][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.156108][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.156222][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.156363][ T43] ? hlock_class+0x4e/0x130 [ 247.156486][ T43] ? validate_chain+0x130/0x9b0 [ 247.156621][ T43] ___sys_sendmsg+0xee/0x170 [ 247.156739][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.156854][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.156969][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.157086][ T43] ? find_held_lock+0x2c/0x110 [ 247.157203][ T43] ? __lock_release+0x103/0x460 [ 247.157316][ T43] ? __might_fault+0x11b/0x170 [ 247.157440][ T43] ? fdget+0x52/0x1e0 [ 247.157539][ T43] ? lock_acquire+0x32/0xc0 [ 247.157657][ T43] __sys_sendmsg+0xcd/0x170 [ 247.157770][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.157883][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.158008][ T43] do_syscall_64+0xc1/0x1d0 [ 247.158128][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.158277][ T43] RIP: 0033:0x7fb7c484d7b7 [ 247.158399][ T43] RSP: 002b:00007fff8bb4a818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.158584][ T43] RAX: ffffffffffffffda RBX: 00007fff8bb4af40 RCX: 00007fb7c484d7b7 [ 247.158756][ T43] RDX: 0000000000000000 RSI: 00007fff8bb4a880 RDI: 0000000000000005 [ 247.158932][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.159102][ T43] R10: 00007fb7c4706708 R11: 0000000000000246 R12: 00007fff8bb4af58 [ 247.159278][ T43] R13: 00000000672a3172 R14: 0000000000496600 R15: 00007fff8bb4a968 [ 247.159449][ T43] [ 247.159542][ T43] INFO: lockdep is turned off. [ 370.030731][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 370.031359][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 370.031485][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 370.031711][ T43] task:kworker/u16:0 state:D stack:29664 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 370.031970][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 370.032129][ T43] Call Trace: [ 370.032221][ T43] [ 370.032290][ T43] __schedule+0xa19/0x1dc0 [ 370.032457][ T43] ? __pfx___schedule+0x10/0x10 [ 370.032608][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.032739][ T43] ? trace_lock_release+0x10e/0x180 [ 370.032871][ T43] schedule+0xdf/0x210 [ 370.032979][ T43] schedule_preempt_disabled+0x15/0x30 [ 370.033103][ T43] __mutex_lock+0x634/0xac0 [ 370.033234][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 370.033359][ T43] ? addrconf_verify_work+0x12/0x30 [ 370.033484][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 370.033621][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.033745][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.033876][ T43] ? addrconf_verify_work+0x12/0x30 [ 370.033996][ T43] addrconf_verify_work+0x12/0x30 [ 370.034132][ T43] process_one_work+0xe55/0x16d0 [ 370.034264][ T43] ? __pfx___lock_release+0x10/0x10 [ 370.034380][ T43] ? __pfx_process_one_work+0x10/0x10 [ 370.034502][ T43] ? assign_work+0x16c/0x240 [ 370.034619][ T43] worker_thread+0x58c/0xce0 [ 370.034738][ T43] ? __pfx_worker_thread+0x10/0x10 [ 370.034861][ T43] kthread+0x28a/0x350 [ 370.034951][ T43] ? __pfx_kthread+0x10/0x10 [ 370.035065][ T43] ret_from_fork+0x31/0x70 [ 370.035181][ T43] ? __pfx_kthread+0x10/0x10 [ 370.035299][ T43] ret_from_fork_asm+0x1a/0x30 [ 370.035419][ T43] [ 370.035542][ T43] INFO: task ip:256 blocked for more than 245 seconds. [ 370.035682][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 370.035788][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 370.035986][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:241 flags:0x00004002 [ 370.036213][ T43] Call Trace: [ 370.036302][ T43] [ 370.036363][ T43] __schedule+0xa19/0x1dc0 [ 370.036478][ T43] ? __pfx___schedule+0x10/0x10 [ 370.036602][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.036717][ T43] ? trace_lock_release+0x10e/0x180 [ 370.036840][ T43] schedule+0xdf/0x210 [ 370.036927][ T43] schedule_preempt_disabled+0x15/0x30 [ 370.037040][ T43] __mutex_lock+0x634/0xac0 [ 370.037157][ T43] ? rtnl_newlink+0x64b/0xa30 [ 370.037277][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 370.037396][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 370.037517][ T43] ? rtnl_newlink+0x64b/0xa30 [ 370.037633][ T43] rtnl_newlink+0x64b/0xa30 [ 370.037755][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 370.037871][ T43] ? find_held_lock+0x2c/0x110 [ 370.037988][ T43] ? __pfx___lock_release+0x10/0x10 [ 370.038103][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 370.038217][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 370.038335][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 370.038448][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 370.038568][ T43] ? hlock_class+0x4e/0x130 [ 370.038683][ T43] ? mark_lock+0x38/0x3e0 [ 370.038777][ T43] ? __lock_acquire+0xb3f/0x1580 [ 370.038894][ T43] netlink_rcv_skb+0x130/0x360 [ 370.039011][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 370.039125][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 370.039245][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 370.039361][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 370.039473][ T43] netlink_unicast+0x44b/0x710 [ 370.039605][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 370.039724][ T43] ? find_held_lock+0x2c/0x110 [ 370.039846][ T43] netlink_sendmsg+0x723/0xbe0 [ 370.039968][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 370.040083][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 370.040203][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 370.040319][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 370.040462][ T43] ? hlock_class+0x4e/0x130 [ 370.040587][ T43] ? validate_chain+0x130/0x9b0 [ 370.040705][ T43] ___sys_sendmsg+0xee/0x170 [ 370.040823][ T43] ? __pfx_validate_chain+0x10/0x10 [ 370.040937][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 370.041054][ T43] ? __lock_acquire+0xb3f/0x1580 [ 370.041173][ T43] ? find_held_lock+0x2c/0x110 [ 370.041290][ T43] ? __lock_release+0x103/0x460 [ 370.041419][ T43] ? __might_fault+0x11b/0x170 [ 370.041542][ T43] ? fdget+0x52/0x1e0 [ 370.041638][ T43] ? lock_acquire+0x32/0xc0 [ 370.041751][ T43] __sys_sendmsg+0xcd/0x170 [ 370.041871][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 370.041984][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 370.042107][ T43] do_syscall_64+0xc1/0x1d0 [ 370.042226][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 370.042377][ T43] RIP: 0033:0x7fb7c484d7b7 [ 370.042504][ T43] RSP: 002b:00007fff8bb4a818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 370.042678][ T43] RAX: ffffffffffffffda RBX: 00007fff8bb4af40 RCX: 00007fb7c484d7b7 [ 370.042850][ T43] RDX: 0000000000000000 RSI: 00007fff8bb4a880 RDI: 0000000000000005 [ 370.043020][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 370.043190][ T43] R10: 00007fb7c4706708 R11: 0000000000000246 R12: 00007fff8bb4af58 [ 370.043361][ T43] R13: 00000000672a3172 R14: 0000000000496600 R15: 00007fff8bb4a968 [ 370.043557][ T43] [ 370.043644][ T43] INFO: lockdep is turned off. HARD STOP (361.263866) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr