[ 33.169224][ T266] [ 33.169349][ T266] ===================================== [ 33.169558][ T266] WARNING: bad unlock balance detected! [ 33.169722][ T266] 6.12.0-rc5-virtme #1 Not tainted [ 33.169859][ T266] ------------------------------------- [ 33.169995][ T266] ip/266 is trying to release lock (rtnl_mutex) at: [ 33.170169][ T266] [] __rtnl_unlock+0x69/0xf0 [ 33.170361][ T266] but there are no more locks to release! [ 33.170507][ T266] [ 33.170507][ T266] other info that might help us debug this: [ 33.170707][ T266] no locks held by ip/266. [ 33.170843][ T266] [ 33.170843][ T266] stack backtrace: [ 33.171012][ T266] CPU: 3 UID: 0 PID: 266 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 33.171217][ T266] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.171529][ T266] Call Trace: [ 33.171645][ T266] [ 33.171715][ T266] dump_stack_lvl+0x82/0xd0 [ 33.171855][ T266] ? __rtnl_unlock+0x69/0xf0 [ 33.171991][ T266] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 33.172127][ T266] __lock_release+0x2f7/0x460 [ 33.172261][ T266] ? __pfx___lock_release+0x10/0x10 [ 33.172396][ T266] ? __rtnl_unlock+0x69/0xf0 [ 33.172531][ T266] lock_release+0xd7/0x140 [ 33.172665][ T266] __mutex_unlock_slowpath+0x8f/0x3b0 [ 33.172798][ T266] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 33.172932][ T266] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 33.173101][ T266] ? rtnl_link_ops_get+0x187/0x220 [ 33.173257][ T266] __rtnl_unlock+0x69/0xf0 [ 33.173397][ T266] rtnl_newlink+0x7fd/0xa30 [ 33.173536][ T266] ? __pfx_rtnl_newlink+0x10/0x10 [ 33.173675][ T266] ? find_held_lock+0x2c/0x110 [ 33.173818][ T266] ? __lock_release+0x103/0x460 [ 33.173956][ T266] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 33.174095][ T266] ? __pfx___lock_release+0x10/0x10 [ 33.174235][ T266] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 33.174383][ T266] ? __pfx_rtnl_newlink+0x10/0x10 [ 33.174515][ T266] rtnetlink_rcv_msg+0x712/0xc10 [ 33.174652][ T266] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 33.174785][ T266] ? hlock_class+0x4e/0x130 [ 33.174923][ T266] ? mark_lock+0x38/0x3e0 [ 33.175025][ T266] ? __lock_acquire+0xb3f/0x1580 [ 33.175161][ T266] netlink_rcv_skb+0x130/0x360 [ 33.175297][ T266] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 33.175429][ T266] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 33.175566][ T266] ? netlink_deliver_tap+0x13e/0x340 [ 33.175699][ T266] ? netlink_deliver_tap+0xc3/0x340 [ 33.175835][ T266] netlink_unicast+0x44b/0x710 [ 33.175972][ T266] ? __pfx_netlink_unicast+0x10/0x10 [ 33.176106][ T266] ? find_held_lock+0x2c/0x110 [ 33.176244][ T266] ? __lock_release+0x103/0x460 [ 33.176382][ T266] netlink_sendmsg+0x723/0xbe0 [ 33.176543][ T266] ? __pfx_netlink_sendmsg+0x10/0x10 [ 33.176685][ T266] ? _copy_from_user+0x55/0xa0 [ 33.176830][ T266] ____sys_sendmsg+0x7ac/0xa10 [ 33.176973][ T266] ? __pfx_____sys_sendmsg+0x10/0x10 [ 33.177125][ T266] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 33.177303][ T266] ? __pfx_validate_chain+0x10/0x10 [ 33.177443][ T266] ? hlock_class+0x4e/0x130 [ 33.177584][ T266] ___sys_sendmsg+0xee/0x170 [ 33.177735][ T266] ? __pfx____sys_sendmsg+0x10/0x10 [ 33.177887][ T266] ? __lock_acquire+0xb3f/0x1580 [ 33.178030][ T266] ? find_held_lock+0x2c/0x110 [ 33.178170][ T266] ? __lock_release+0x103/0x460 [ 33.178314][ T266] ? __might_fault+0x11b/0x170 [ 33.178468][ T266] ? __pfx___lock_release+0x10/0x10 [ 33.178620][ T266] ? trace_lock_acquire+0x14d/0x1f0 [ 33.178759][ T266] ? __might_fault+0xc3/0x170 [ 33.178900][ T266] ? lock_acquire+0x32/0xc0 [ 33.179039][ T266] ? fdget+0x52/0x1e0 [ 33.179148][ T266] __sys_sendmsg+0xcd/0x170 [ 33.179287][ T266] ? __pfx___sys_sendmsg+0x10/0x10 [ 33.179426][ T266] ? rseq_update_cpu_node_id+0xe6/0x140 [ 33.179580][ T266] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 33.179769][ T266] do_syscall_64+0xc1/0x1d0 [ 33.179909][ T266] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 33.180094][ T266] RIP: 0033:0x7f217acca7b7 [ 33.180238][ T266] 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 [ 33.180726][ T266] RSP: 002b:00007ffd31957c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.180943][ T266] RAX: ffffffffffffffda RBX: 00007ffd31958340 RCX: 00007f217acca7b7 [ 33.181154][ T266] RDX: 0000000000000000 RSI: 00007ffd31957c80 RDI: 0000000000000005 [ 33.181429][ T266] RBP: 0000000000000005 R08: 000000000000006c R09: 00007ffd319569f0 [ 33.181632][ T266] R10: 00007f217ab83708 R11: 0000000000000246 R12: 00007ffd31958368 [ 33.181837][ T266] R13: 000000006729dd8d R14: 0000000000496600 R15: 00007ffd31957d70 [ 33.182112][ T266] [ 247.069228][ T44] INFO: task ip:266 blocked for more than 122 seconds. [ 247.069719][ T44] Not tainted 6.12.0-rc5-virtme #1 [ 247.069867][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.070113][ T44] task:ip state:D stack:25648 pid:266 tgid:266 ppid:245 flags:0x00004002 [ 247.070377][ T44] Call Trace: [ 247.070486][ T44] [ 247.070559][ T44] __schedule+0xa19/0x1dc0 [ 247.070699][ T44] ? __pfx___schedule+0x10/0x10 [ 247.070847][ T44] ? trace_lock_acquire+0x14d/0x1f0 [ 247.070986][ T44] ? trace_lock_release+0x10e/0x180 [ 247.071138][ T44] schedule+0xdf/0x210 [ 247.071246][ T44] schedule_preempt_disabled+0x15/0x30 [ 247.071398][ T44] __mutex_lock+0x634/0xac0 [ 247.071547][ T44] ? rtnl_newlink+0x64b/0xa30 [ 247.071679][ T44] ? __pfx___mutex_lock+0x10/0x10 [ 247.071813][ T44] ? trace_lock_acquire+0x14d/0x1f0 [ 247.071946][ T44] ? rtnl_newlink+0x64b/0xa30 [ 247.072077][ T44] rtnl_newlink+0x64b/0xa30 [ 247.072215][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.072348][ T44] ? find_held_lock+0x2c/0x110 [ 247.072477][ T44] ? __pfx___lock_release+0x10/0x10 [ 247.072616][ T44] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.072743][ T44] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.072872][ T44] rtnetlink_rcv_msg+0x712/0xc10 [ 247.073000][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.073134][ T44] ? hlock_class+0x4e/0x130 [ 247.073262][ T44] ? mark_lock+0x38/0x3e0 [ 247.073360][ T44] ? __lock_acquire+0xb3f/0x1580 [ 247.073489][ T44] netlink_rcv_skb+0x130/0x360 [ 247.073629][ T44] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.073755][ T44] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.073887][ T44] ? netlink_deliver_tap+0x13e/0x340 [ 247.074016][ T44] ? netlink_deliver_tap+0xc3/0x340 [ 247.074152][ T44] netlink_unicast+0x44b/0x710 [ 247.074283][ T44] ? __pfx_netlink_unicast+0x10/0x10 [ 247.074409][ T44] ? find_held_lock+0x2c/0x110 [ 247.074538][ T44] ? __lock_release+0x103/0x460 [ 247.074670][ T44] netlink_sendmsg+0x723/0xbe0 [ 247.074801][ T44] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.074931][ T44] ? _copy_from_user+0x55/0xa0 [ 247.075062][ T44] ____sys_sendmsg+0x7ac/0xa10 [ 247.075226][ T44] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.075359][ T44] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.075528][ T44] ? __pfx_validate_chain+0x10/0x10 [ 247.075662][ T44] ? hlock_class+0x4e/0x130 [ 247.075798][ T44] ___sys_sendmsg+0xee/0x170 [ 247.075932][ T44] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.076064][ T44] ? __lock_acquire+0xb3f/0x1580 [ 247.076202][ T44] ? find_held_lock+0x2c/0x110 [ 247.076336][ T44] ? __lock_release+0x103/0x460 [ 247.076474][ T44] ? __might_fault+0x11b/0x170 [ 247.076607][ T44] ? __pfx___lock_release+0x10/0x10 [ 247.076737][ T44] ? trace_lock_acquire+0x14d/0x1f0 [ 247.076867][ T44] ? __might_fault+0xc3/0x170 [ 247.077002][ T44] ? lock_acquire+0x32/0xc0 [ 247.077142][ T44] ? fdget+0x52/0x1e0 [ 247.077261][ T44] __sys_sendmsg+0xcd/0x170 [ 247.077412][ T44] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.077548][ T44] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.077687][ T44] ? __pfx___rseq_handle_notify_resume+0x10/0x10 [ 247.077853][ T44] do_syscall_64+0xc1/0x1d0 [ 247.077995][ T44] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.078178][ T44] RIP: 0033:0x7f217acca7b7 [ 247.078324][ T44] RSP: 002b:00007ffd31957c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.078543][ T44] RAX: ffffffffffffffda RBX: 00007ffd31958340 RCX: 00007f217acca7b7 [ 247.078733][ T44] RDX: 0000000000000000 RSI: 00007ffd31957c80 RDI: 0000000000000005 [ 247.078928][ T44] RBP: 0000000000000005 R08: 000000000000006c R09: 00007ffd319569f0 [ 247.079128][ T44] R10: 00007f217ab83708 R11: 0000000000000246 R12: 00007ffd31958368 [ 247.079321][ T44] R13: 000000006729dd8d R14: 0000000000496600 R15: 00007ffd31957d70 [ 247.079522][ T44] [ 247.079620][ T44] INFO: lockdep is turned off. HARD STOP (242.628129) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr