[ 40.531433][ T284] [ 40.531536][ T284] ===================================== [ 40.531684][ T284] WARNING: bad unlock balance detected! [ 40.531830][ T284] 6.12.0-rc5-virtme #1 Not tainted [ 40.531968][ T284] ------------------------------------- [ 40.532108][ T284] ip/284 is trying to release lock (rtnl_mutex) at: [ 40.532286][ T284] [] __rtnl_unlock+0x69/0xf0 [ 40.532463][ T284] but there are no more locks to release! [ 40.532603][ T284] [ 40.532603][ T284] other info that might help us debug this: [ 40.532826][ T284] no locks held by ip/284. [ 40.532963][ T284] [ 40.532963][ T284] stack backtrace: [ 40.533136][ T284] CPU: 1 UID: 0 PID: 284 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 40.533351][ T284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 40.533674][ T284] Call Trace: [ 40.533783][ T284] [ 40.533868][ T284] dump_stack_lvl+0x82/0xd0 [ 40.534013][ T284] ? __rtnl_unlock+0x69/0xf0 [ 40.534155][ T284] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 40.534304][ T284] __lock_release+0x2f7/0x460 [ 40.534446][ T284] ? __pfx___lock_release+0x10/0x10 [ 40.534588][ T284] ? __rtnl_unlock+0x69/0xf0 [ 40.534733][ T284] lock_release+0xd7/0x140 [ 40.534873][ T284] __mutex_unlock_slowpath+0x8f/0x3b0 [ 40.535015][ T284] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 40.535158][ T284] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 40.535333][ T284] ? rtnl_link_ops_get+0x187/0x220 [ 40.535482][ T284] __rtnl_unlock+0x69/0xf0 [ 40.535624][ T284] rtnl_newlink+0x7fd/0xa30 [ 40.535767][ T284] ? __pfx_rtnl_newlink+0x10/0x10 [ 40.535910][ T284] ? find_held_lock+0x2c/0x110 [ 40.536057][ T284] ? __lock_release+0x103/0x460 [ 40.536195][ T284] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 40.536338][ T284] ? __pfx___lock_release+0x10/0x10 [ 40.536481][ T284] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 40.536634][ T284] ? __pfx_rtnl_newlink+0x10/0x10 [ 40.536788][ T284] rtnetlink_rcv_msg+0x712/0xc10 [ 40.536928][ T284] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 40.537072][ T284] ? hlock_class+0x4e/0x130 [ 40.537212][ T284] ? mark_lock+0x38/0x3e0 [ 40.537333][ T284] ? __lock_acquire+0xb3f/0x1580 [ 40.537503][ T284] netlink_rcv_skb+0x130/0x360 [ 40.537656][ T284] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 40.537795][ T284] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 40.537944][ T284] ? netlink_deliver_tap+0x13e/0x340 [ 40.538083][ T284] ? netlink_deliver_tap+0xc3/0x340 [ 40.538223][ T284] netlink_unicast+0x44b/0x710 [ 40.538374][ T284] ? __pfx_netlink_unicast+0x10/0x10 [ 40.538513][ T284] ? find_held_lock+0x2c/0x110 [ 40.538662][ T284] netlink_sendmsg+0x723/0xbe0 [ 40.538803][ T284] ? __pfx_netlink_sendmsg+0x10/0x10 [ 40.538945][ T284] ____sys_sendmsg+0x7ac/0xa10 [ 40.539089][ T284] ? __pfx_____sys_sendmsg+0x10/0x10 [ 40.539231][ T284] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 40.539414][ T284] ___sys_sendmsg+0xee/0x170 [ 40.539556][ T284] ? __pfx____sys_sendmsg+0x10/0x10 [ 40.539701][ T284] ? __pfx___debug_check_no_obj_freed+0x10/0x10 [ 40.539882][ T284] ? __pfx_free_object_rcu+0x10/0x10 [ 40.540026][ T284] ? trace_rcu_segcb_stats+0x37/0x1e0 [ 40.540171][ T284] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 40.540347][ T284] ? kmem_cache_free+0xf8/0x340 [ 40.540491][ T284] ? do_sys_openat2+0x141/0x160 [ 40.540637][ T284] ? do_sys_openat2+0x10a/0x160 [ 40.540789][ T284] ? fdget+0x52/0x1e0 [ 40.540900][ T284] __sys_sendmsg+0xcd/0x170 [ 40.541044][ T284] ? __pfx___sys_sendmsg+0x10/0x10 [ 40.541185][ T284] ? __pfx___up_read+0x10/0x10 [ 40.541334][ T284] do_syscall_64+0xc1/0x1d0 [ 40.541476][ T284] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 40.541654][ T284] RIP: 0033:0x7f9fdb9f47b7 [ 40.541801][ T284] 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 [ 40.542300][ T284] RSP: 002b:00007fff7ced8658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 40.542521][ T284] RAX: ffffffffffffffda RBX: 00007fff7ced8d80 RCX: 00007f9fdb9f47b7 [ 40.542732][ T284] RDX: 0000000000000000 RSI: 00007fff7ced86c0 RDI: 0000000000000005 [ 40.542944][ T284] RBP: 0000000000000002 R08: 0000000000000044 R09: 0000000000000000 [ 40.543158][ T284] R10: 00007f9fdb8ad708 R11: 0000000000000246 R12: 00007fff7ced8da0 [ 40.543369][ T284] R13: 000000006729b839 R14: 0000000000496600 R15: 00007fff7ced87a8 [ 40.543583][ T284] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr