[ 26.602316][ T256] [ 26.602419][ T256] ===================================== [ 26.602556][ T256] WARNING: bad unlock balance detected! [ 26.602691][ T256] 6.12.0-rc5-virtme #1 Not tainted [ 26.602829][ T256] ------------------------------------- [ 26.602969][ T256] ip/256 is trying to release lock (rtnl_mutex) at: [ 26.603141][ T256] [] __rtnl_unlock+0x69/0xf0 [ 26.603327][ T256] but there are no more locks to release! [ 26.603468][ T256] [ 26.603468][ T256] other info that might help us debug this: [ 26.603672][ T256] no locks held by ip/256. [ 26.603812][ T256] [ 26.603812][ T256] stack backtrace: [ 26.603980][ T256] CPU: 1 UID: 0 PID: 256 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 26.604186][ T256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.604492][ T256] Call Trace: [ 26.604601][ T256] [ 26.604673][ T256] dump_stack_lvl+0x82/0xd0 [ 26.604819][ T256] ? __rtnl_unlock+0x69/0xf0 [ 26.604960][ T256] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 26.605101][ T256] __lock_release+0x2f7/0x460 [ 26.605238][ T256] ? __pfx___lock_release+0x10/0x10 [ 26.605385][ T256] ? __rtnl_unlock+0x69/0xf0 [ 26.605523][ T256] lock_release+0xd7/0x140 [ 26.605661][ T256] __mutex_unlock_slowpath+0x8f/0x3b0 [ 26.605803][ T256] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 26.605943][ T256] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 26.606117][ T256] ? rtnl_link_ops_get+0x187/0x220 [ 26.606263][ T256] __rtnl_unlock+0x69/0xf0 [ 26.606401][ T256] rtnl_newlink+0x7fd/0xa30 [ 26.606550][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.606688][ T256] ? find_held_lock+0x2c/0x110 [ 26.606830][ T256] ? __lock_release+0x103/0x460 [ 26.606969][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.607108][ T256] ? __pfx___lock_release+0x10/0x10 [ 26.607252][ T256] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.607390][ T256] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.607532][ T256] rtnetlink_rcv_msg+0x712/0xc10 [ 26.607671][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.607811][ T256] ? hlock_class+0x4e/0x130 [ 26.607950][ T256] ? mark_lock+0x38/0x3e0 [ 26.608057][ T256] ? __lock_acquire+0xb3f/0x1580 [ 26.608196][ T256] netlink_rcv_skb+0x130/0x360 [ 26.608337][ T256] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.608477][ T256] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 26.608620][ T256] ? netlink_deliver_tap+0x13e/0x340 [ 26.608759][ T256] ? netlink_deliver_tap+0xc3/0x340 [ 26.608901][ T256] netlink_unicast+0x44b/0x710 [ 26.609045][ T256] ? __pfx_netlink_unicast+0x10/0x10 [ 26.609184][ T256] ? find_held_lock+0x2c/0x110 [ 26.609324][ T256] netlink_sendmsg+0x723/0xbe0 [ 26.609467][ T256] ? __pfx_netlink_sendmsg+0x10/0x10 [ 26.609615][ T256] ____sys_sendmsg+0x7ac/0xa10 [ 26.609757][ T256] ? __pfx_____sys_sendmsg+0x10/0x10 [ 26.609895][ T256] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 26.610068][ T256] ? hlock_class+0x4e/0x130 [ 26.610210][ T256] ? validate_chain+0x130/0x9b0 [ 26.610348][ T256] ___sys_sendmsg+0xee/0x170 [ 26.610487][ T256] ? __pfx_validate_chain+0x10/0x10 [ 26.610626][ T256] ? __pfx____sys_sendmsg+0x10/0x10 [ 26.610770][ T256] ? __lock_acquire+0xb3f/0x1580 [ 26.610911][ T256] ? find_held_lock+0x2c/0x110 [ 26.611051][ T256] ? __lock_release+0x103/0x460 [ 26.611188][ T256] ? __might_fault+0x11b/0x170 [ 26.611329][ T256] ? fdget+0x52/0x1e0 [ 26.611435][ T256] ? lock_acquire+0x32/0xc0 [ 26.611577][ T256] __sys_sendmsg+0xcd/0x170 [ 26.611717][ T256] ? __pfx___sys_sendmsg+0x10/0x10 [ 26.611857][ T256] ? rseq_update_cpu_node_id+0xe6/0x140 [ 26.612003][ T256] do_syscall_64+0xc1/0x1d0 [ 26.612143][ T256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.612316][ T256] RIP: 0033:0x7f127d3037b7 [ 26.612460][ 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 [ 26.612951][ T256] RSP: 002b:00007fff16321488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.613168][ T256] RAX: ffffffffffffffda RBX: 00007fff16321bb0 RCX: 00007f127d3037b7 [ 26.613379][ T256] RDX: 0000000000000000 RSI: 00007fff163214f0 RDI: 0000000000000005 [ 26.613585][ T256] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 26.613793][ T256] R10: 00007f127d1bc708 R11: 0000000000000246 R12: 00007fff16321bc8 [ 26.614003][ T256] R13: 00000000672a316c R14: 0000000000496600 R15: 00007fff163215d8 [ 26.614212][ T256] [ 247.107626][ T43] INFO: task ip:256 blocked for more than 122 seconds. [ 247.107969][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.108086][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.108288][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:242 flags:0x00004002 [ 247.108561][ T43] Call Trace: [ 247.108657][ T43] [ 247.108729][ T43] __schedule+0xa19/0x1dc0 [ 247.108865][ T43] ? __pfx___schedule+0x10/0x10 [ 247.108985][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.109105][ T43] ? trace_lock_release+0x10e/0x180 [ 247.109224][ T43] schedule+0xdf/0x210 [ 247.109322][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.109447][ T43] __mutex_lock+0x634/0xac0 [ 247.109565][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.109685][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.109807][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.109930][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.110047][ T43] rtnl_newlink+0x64b/0xa30 [ 247.110162][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.110282][ T43] ? find_held_lock+0x2c/0x110 [ 247.110405][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.110562][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.110675][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.110786][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.110902][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.111014][ T43] ? hlock_class+0x4e/0x130 [ 247.111125][ T43] ? mark_lock+0x38/0x3e0 [ 247.111213][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.111329][ T43] netlink_rcv_skb+0x130/0x360 [ 247.111457][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.111570][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.111697][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.111844][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.111970][ T43] netlink_unicast+0x44b/0x710 [ 247.112084][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.112196][ T43] ? find_held_lock+0x2c/0x110 [ 247.112308][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.112447][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.112563][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.112678][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.112789][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.112932][ T43] ? hlock_class+0x4e/0x130 [ 247.113046][ T43] ? validate_chain+0x130/0x9b0 [ 247.113165][ T43] ___sys_sendmsg+0xee/0x170 [ 247.113280][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.113410][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.113526][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.113642][ T43] ? find_held_lock+0x2c/0x110 [ 247.113755][ T43] ? __lock_release+0x103/0x460 [ 247.113872][ T43] ? __might_fault+0x11b/0x170 [ 247.113989][ T43] ? fdget+0x52/0x1e0 [ 247.114078][ T43] ? lock_acquire+0x32/0xc0 [ 247.114193][ T43] __sys_sendmsg+0xcd/0x170 [ 247.114306][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.114436][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.114556][ T43] do_syscall_64+0xc1/0x1d0 [ 247.114671][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.114813][ T43] RIP: 0033:0x7f127d3037b7 [ 247.114940][ T43] RSP: 002b:00007fff16321488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.115109][ T43] RAX: ffffffffffffffda RBX: 00007fff16321bb0 RCX: 00007f127d3037b7 [ 247.115281][ T43] RDX: 0000000000000000 RSI: 00007fff163214f0 RDI: 0000000000000005 [ 247.115463][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.115648][ T43] R10: 00007f127d1bc708 R11: 0000000000000246 R12: 00007fff16321bc8 [ 247.115814][ T43] R13: 00000000672a316c R14: 0000000000496600 R15: 00007fff163215d8 [ 247.115986][ T43] [ 247.116072][ T43] INFO: lockdep is turned off. [ 369.987613][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.988018][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.988127][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.988313][ T43] task:kworker/u16:0 state:D stack:29664 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.988570][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.988729][ T43] Call Trace: [ 369.988831][ T43] [ 369.988897][ T43] __schedule+0xa19/0x1dc0 [ 369.989018][ T43] ? __pfx___schedule+0x10/0x10 [ 369.989132][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.989248][ T43] ? trace_lock_release+0x10e/0x180 [ 369.989362][ T43] schedule+0xdf/0x210 [ 369.989463][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.989576][ T43] __mutex_lock+0x634/0xac0 [ 369.989693][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.989815][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.989926][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.990042][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.990152][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.990271][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.990392][ T43] addrconf_verify_work+0x12/0x30 [ 369.990504][ T43] process_one_work+0xe55/0x16d0 [ 369.990625][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.990737][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.990848][ T43] ? assign_work+0x16c/0x240 [ 369.990963][ T43] worker_thread+0x58c/0xce0 [ 369.991079][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.991204][ T43] kthread+0x28a/0x350 [ 369.991291][ T43] ? __pfx_kthread+0x10/0x10 [ 369.991411][ T43] ret_from_fork+0x31/0x70 [ 369.991526][ T43] ? __pfx_kthread+0x10/0x10 [ 369.991647][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.991766][ T43] [ 369.991868][ T43] INFO: task ip:256 blocked for more than 245 seconds. [ 369.991998][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.992102][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.992283][ T43] task:ip state:D stack:25792 pid:256 tgid:256 ppid:242 flags:0x00004002 [ 369.992534][ T43] Call Trace: [ 369.992627][ T43] [ 369.992687][ T43] __schedule+0xa19/0x1dc0 [ 369.992802][ T43] ? __pfx___schedule+0x10/0x10 [ 369.992912][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.993024][ T43] ? trace_lock_release+0x10e/0x180 [ 369.993136][ T43] schedule+0xdf/0x210 [ 369.993225][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.993336][ T43] __mutex_lock+0x634/0xac0 [ 369.993472][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.993583][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.993697][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.993808][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.993920][ T43] rtnl_newlink+0x64b/0xa30 [ 369.994030][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.994142][ T43] ? find_held_lock+0x2c/0x110 [ 369.994253][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.994362][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.994481][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.994591][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.994703][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.994810][ T43] ? hlock_class+0x4e/0x130 [ 369.994920][ T43] ? mark_lock+0x38/0x3e0 [ 369.995002][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.995113][ T43] netlink_rcv_skb+0x130/0x360 [ 369.995224][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.995336][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.995453][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.995565][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.995673][ T43] netlink_unicast+0x44b/0x710 [ 369.995782][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.995891][ T43] ? find_held_lock+0x2c/0x110 [ 369.996000][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.996113][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.996231][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.996344][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.996466][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.996615][ T43] ? hlock_class+0x4e/0x130 [ 369.996723][ T43] ? validate_chain+0x130/0x9b0 [ 369.996836][ T43] ___sys_sendmsg+0xee/0x170 [ 369.996948][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.997058][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.997173][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.997284][ T43] ? find_held_lock+0x2c/0x110 [ 369.997398][ T43] ? __lock_release+0x103/0x460 [ 369.997509][ T43] ? __might_fault+0x11b/0x170 [ 369.997622][ T43] ? fdget+0x52/0x1e0 [ 369.997706][ T43] ? lock_acquire+0x32/0xc0 [ 369.997821][ T43] __sys_sendmsg+0xcd/0x170 [ 369.997928][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.998041][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.998162][ T43] do_syscall_64+0xc1/0x1d0 [ 369.998277][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.998421][ T43] RIP: 0033:0x7f127d3037b7 [ 369.998542][ T43] RSP: 002b:00007fff16321488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.998709][ T43] RAX: ffffffffffffffda RBX: 00007fff16321bb0 RCX: 00007f127d3037b7 [ 369.998872][ T43] RDX: 0000000000000000 RSI: 00007fff163214f0 RDI: 0000000000000005 [ 369.999043][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.999204][ T43] R10: 00007f127d1bc708 R11: 0000000000000246 R12: 00007fff16321bc8 [ 369.999365][ T43] R13: 00000000672a316c R14: 0000000000496600 R15: 00007fff163215d8 [ 369.999539][ T43] [ 369.999621][ T43] INFO: lockdep is turned off. HARD STOP (365.964275) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr