[ 39.569388][ T283] [ 39.569495][ T283] ===================================== [ 39.569647][ T283] WARNING: bad unlock balance detected! [ 39.569789][ T283] 6.12.0-rc5-virtme #1 Not tainted [ 39.569932][ T283] ------------------------------------- [ 39.570072][ T283] ip/283 is trying to release lock (rtnl_mutex) at: [ 39.570253][ T283] [] __rtnl_unlock+0x69/0xf0 [ 39.570436][ T283] but there are no more locks to release! [ 39.570583][ T283] [ 39.570583][ T283] other info that might help us debug this: [ 39.570792][ T283] no locks held by ip/283. [ 39.570936][ T283] [ 39.570936][ T283] stack backtrace: [ 39.571116][ T283] CPU: 2 UID: 0 PID: 283 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 39.571336][ T283] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 39.571649][ T283] Call Trace: [ 39.571768][ T283] [ 39.571845][ T283] dump_stack_lvl+0x82/0xd0 [ 39.571996][ T283] ? __rtnl_unlock+0x69/0xf0 [ 39.572140][ T283] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 39.572286][ T283] __lock_release+0x2f7/0x460 [ 39.572430][ T283] ? __pfx___lock_release+0x10/0x10 [ 39.572603][ T283] ? __rtnl_unlock+0x69/0xf0 [ 39.572747][ T283] lock_release+0xd7/0x140 [ 39.572891][ T283] __mutex_unlock_slowpath+0x8f/0x3b0 [ 39.573034][ T283] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 39.573179][ T283] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 39.573364][ T283] ? rtnl_link_ops_get+0x187/0x220 [ 39.573507][ T283] __rtnl_unlock+0x69/0xf0 [ 39.573655][ T283] rtnl_newlink+0x7fd/0xa30 [ 39.573798][ T283] ? __pfx_rtnl_newlink+0x10/0x10 [ 39.573940][ T283] ? find_held_lock+0x2c/0x110 [ 39.574083][ T283] ? __lock_release+0x103/0x460 [ 39.574226][ T283] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 39.574369][ T283] ? __pfx___lock_release+0x10/0x10 [ 39.574517][ T283] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 39.574658][ T283] ? __pfx_rtnl_newlink+0x10/0x10 [ 39.574798][ T283] rtnetlink_rcv_msg+0x712/0xc10 [ 39.574943][ T283] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 39.575084][ T283] ? hlock_class+0x4e/0x130 [ 39.575227][ T283] ? mark_lock+0x38/0x3e0 [ 39.575336][ T283] ? __lock_acquire+0xb3f/0x1580 [ 39.575478][ T283] netlink_rcv_skb+0x130/0x360 [ 39.575623][ T283] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 39.575767][ T283] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 39.575913][ T283] ? netlink_deliver_tap+0x13e/0x340 [ 39.576058][ T283] ? netlink_deliver_tap+0xc3/0x340 [ 39.576202][ T283] netlink_unicast+0x44b/0x710 [ 39.576347][ T283] ? __pfx_netlink_unicast+0x10/0x10 [ 39.576489][ T283] ? find_held_lock+0x2c/0x110 [ 39.576635][ T283] netlink_sendmsg+0x723/0xbe0 [ 39.576780][ T283] ? __pfx_netlink_sendmsg+0x10/0x10 [ 39.576930][ T283] ____sys_sendmsg+0x7ac/0xa10 [ 39.577073][ T283] ? __pfx_____sys_sendmsg+0x10/0x10 [ 39.577217][ T283] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 39.577397][ T283] ___sys_sendmsg+0xee/0x170 [ 39.577542][ T283] ? __pfx____sys_sendmsg+0x10/0x10 [ 39.577684][ T283] ? __pfx___debug_check_no_obj_freed+0x10/0x10 [ 39.577860][ T283] ? __pfx_free_object_rcu+0x10/0x10 [ 39.577999][ T283] ? trace_rcu_segcb_stats+0x37/0x1e0 [ 39.578146][ T283] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 39.578336][ T283] ? kmem_cache_free+0xf8/0x340 [ 39.578477][ T283] ? do_sys_openat2+0x141/0x160 [ 39.578632][ T283] ? do_sys_openat2+0x10a/0x160 [ 39.578776][ T283] ? fdget+0x52/0x1e0 [ 39.578886][ T283] __sys_sendmsg+0xcd/0x170 [ 39.579029][ T283] ? __pfx___sys_sendmsg+0x10/0x10 [ 39.579172][ T283] ? __pfx___up_read+0x10/0x10 [ 39.579317][ T283] do_syscall_64+0xc1/0x1d0 [ 39.579460][ T283] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.579641][ T283] RIP: 0033:0x7f7117bb97b7 [ 39.579787][ T283] 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 [ 39.580286][ T283] RSP: 002b:00007fff579f2088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 39.580500][ T283] RAX: ffffffffffffffda RBX: 00007fff579f27b0 RCX: 00007f7117bb97b7 [ 39.580717][ T283] RDX: 0000000000000000 RSI: 00007fff579f20f0 RDI: 0000000000000005 [ 39.580929][ T283] RBP: 0000000000000002 R08: 0000000000000044 R09: 0000000000000000 [ 39.581137][ T283] R10: 00007f7117a72708 R11: 0000000000000246 R12: 00007fff579f27d0 [ 39.581350][ T283] R13: 00000000672a0c10 R14: 0000000000496600 R15: 00007fff579f21d8 [ 39.581565][ T283] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr