[ 45.552557][ T283] [ 45.552659][ T283] ===================================== [ 45.552789][ T283] WARNING: bad unlock balance detected! [ 45.552917][ T283] 6.12.0-rc5-virtme #1 Not tainted [ 45.553045][ T283] ------------------------------------- [ 45.553176][ T283] ip/283 is trying to release lock (rtnl_mutex) at: [ 45.553340][ T283] [] __rtnl_unlock+0x69/0xf0 [ 45.553509][ T283] but there are no more locks to release! [ 45.553658][ T283] [ 45.553658][ T283] other info that might help us debug this: [ 45.553846][ T283] no locks held by ip/283. [ 45.553978][ T283] [ 45.553978][ T283] stack backtrace: [ 45.554137][ T283] CPU: 3 UID: 0 PID: 283 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 45.554332][ T283] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 45.554624][ T283] Call Trace: [ 45.554732][ T283] [ 45.554800][ T283] dump_stack_lvl+0x82/0xd0 [ 45.555448][ T283] ? __rtnl_unlock+0x69/0xf0 [ 45.555598][ T283] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 45.555746][ T283] __lock_release+0x2f7/0x460 [ 45.555895][ T283] ? __pfx___lock_release+0x10/0x10 [ 45.556038][ T283] ? __rtnl_unlock+0x69/0xf0 [ 45.556183][ T283] lock_release+0xd7/0x140 [ 45.556326][ T283] __mutex_unlock_slowpath+0x8f/0x3b0 [ 45.556470][ T283] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 45.556611][ T283] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 45.556777][ T283] ? rtnl_link_ops_get+0x187/0x220 [ 45.556905][ T283] __rtnl_unlock+0x69/0xf0 [ 45.557038][ T283] rtnl_newlink+0x7fd/0xa30 [ 45.557168][ T283] ? __pfx_rtnl_newlink+0x10/0x10 [ 45.557297][ T283] ? find_held_lock+0x2c/0x110 [ 45.557429][ T283] ? __lock_release+0x103/0x460 [ 45.557559][ T283] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 45.557697][ T283] ? __pfx___lock_release+0x10/0x10 [ 45.557827][ T283] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 45.557958][ T283] ? __pfx_rtnl_newlink+0x10/0x10 [ 45.558091][ T283] rtnetlink_rcv_msg+0x712/0xc10 [ 45.558221][ T283] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 45.558350][ T283] ? hlock_class+0x4e/0x130 [ 45.558481][ T283] ? mark_lock+0x38/0x3e0 [ 45.558581][ T283] ? __lock_acquire+0xb3f/0x1580 [ 45.558787][ T283] netlink_rcv_skb+0x130/0x360 [ 45.558919][ T283] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 45.559075][ T283] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 45.559208][ T283] ? netlink_deliver_tap+0x13e/0x340 [ 45.559343][ T283] ? netlink_deliver_tap+0xc3/0x340 [ 45.559473][ T283] netlink_unicast+0x44b/0x710 [ 45.559611][ T283] ? __pfx_netlink_unicast+0x10/0x10 [ 45.559742][ T283] ? find_held_lock+0x2c/0x110 [ 45.559874][ T283] netlink_sendmsg+0x723/0xbe0 [ 45.560007][ T283] ? __pfx_netlink_sendmsg+0x10/0x10 [ 45.560140][ T283] ____sys_sendmsg+0x7ac/0xa10 [ 45.560274][ T283] ? __pfx_____sys_sendmsg+0x10/0x10 [ 45.560425][ T283] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 45.560596][ T283] ___sys_sendmsg+0xee/0x170 [ 45.560729][ T283] ? __pfx____sys_sendmsg+0x10/0x10 [ 45.560864][ T283] ? __pfx___debug_check_no_obj_freed+0x10/0x10 [ 45.561025][ T283] ? __pfx_free_object_rcu+0x10/0x10 [ 45.561159][ T283] ? trace_rcu_segcb_stats+0x37/0x1e0 [ 45.561291][ T283] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 45.561465][ T283] ? kmem_cache_free+0xf8/0x340 [ 45.561599][ T283] ? do_sys_openat2+0x141/0x160 [ 45.561729][ T283] ? do_sys_openat2+0x10a/0x160 [ 45.561862][ T283] ? fdget+0x52/0x1e0 [ 45.561964][ T283] __sys_sendmsg+0xcd/0x170 [ 45.562096][ T283] ? __pfx___sys_sendmsg+0x10/0x10 [ 45.562226][ T283] ? __pfx___up_read+0x10/0x10 [ 45.562361][ T283] do_syscall_64+0xc1/0x1d0 [ 45.562496][ T283] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.562661][ T283] RIP: 0033:0x7efce655c7b7 [ 45.562800][ 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 [ 45.563259][ T283] RSP: 002b:00007fff21405fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 45.563479][ T283] RAX: ffffffffffffffda RBX: 00007fff21406710 RCX: 00007efce655c7b7 [ 45.563678][ T283] RDX: 0000000000000000 RSI: 00007fff21406050 RDI: 0000000000000005 [ 45.563870][ T283] RBP: 0000000000000002 R08: 0000000000000044 R09: 0000000000000000 [ 45.564064][ T283] R10: 00007efce6415708 R11: 0000000000000246 R12: 00007fff21406730 [ 45.564260][ T283] R13: 000000006729b732 R14: 0000000000496600 R15: 00007fff21406138 [ 45.564461][ T283] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr