[ 41.760701][ T284] [ 41.760803][ T284] ===================================== [ 41.760935][ T284] WARNING: bad unlock balance detected! [ 41.761068][ T284] 6.12.0-rc5-virtme #1 Not tainted [ 41.761203][ T284] ------------------------------------- [ 41.761332][ T284] ip/284 is trying to release lock (rtnl_mutex) at: [ 41.761497][ T284] [] __rtnl_unlock+0x69/0xf0 [ 41.761678][ T284] but there are no more locks to release! [ 41.761819][ T284] [ 41.761819][ T284] other info that might help us debug this: [ 41.762013][ T284] no locks held by ip/284. [ 41.762150][ T284] [ 41.762150][ T284] stack backtrace: [ 41.762313][ T284] CPU: 1 UID: 0 PID: 284 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 41.762516][ T284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 41.762808][ T284] Call Trace: [ 41.762925][ T284] [ 41.762999][ T284] dump_stack_lvl+0x82/0xd0 [ 41.763142][ T284] ? __rtnl_unlock+0x69/0xf0 [ 41.763280][ T284] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 41.763416][ T284] __lock_release+0x2f7/0x460 [ 41.763551][ T284] ? __pfx___lock_release+0x10/0x10 [ 41.763686][ T284] ? __rtnl_unlock+0x69/0xf0 [ 41.763823][ T284] lock_release+0xd7/0x140 [ 41.763958][ T284] __mutex_unlock_slowpath+0x8f/0x3b0 [ 41.764091][ T284] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 41.764222][ T284] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 41.764388][ T284] ? rtnl_link_ops_get+0x187/0x220 [ 41.764520][ T284] __rtnl_unlock+0x69/0xf0 [ 41.764649][ T284] rtnl_newlink+0x7fd/0xa30 [ 41.764779][ T284] ? __pfx_rtnl_newlink+0x10/0x10 [ 41.764915][ T284] ? find_held_lock+0x2c/0x110 [ 41.765051][ T284] ? __lock_release+0x103/0x460 [ 41.765181][ T284] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 41.765310][ T284] ? __pfx___lock_release+0x10/0x10 [ 41.765441][ T284] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 41.765575][ T284] ? __pfx_rtnl_newlink+0x10/0x10 [ 41.765704][ T284] rtnetlink_rcv_msg+0x712/0xc10 [ 41.765835][ T284] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 41.765969][ T284] ? hlock_class+0x4e/0x130 [ 41.766100][ T284] ? mark_lock+0x38/0x3e0 [ 41.766200][ T284] ? __lock_acquire+0xb3f/0x1580 [ 41.766329][ T284] netlink_rcv_skb+0x130/0x360 [ 41.766467][ T284] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 41.766596][ T284] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 41.766732][ T284] ? netlink_deliver_tap+0x13e/0x340 [ 41.766864][ T284] ? netlink_deliver_tap+0xc3/0x340 [ 41.766998][ T284] netlink_unicast+0x44b/0x710 [ 41.767129][ T284] ? __pfx_netlink_unicast+0x10/0x10 [ 41.767261][ T284] ? find_held_lock+0x2c/0x110 [ 41.767393][ T284] netlink_sendmsg+0x723/0xbe0 [ 41.767527][ T284] ? __pfx_netlink_sendmsg+0x10/0x10 [ 41.767659][ T284] ____sys_sendmsg+0x7ac/0xa10 [ 41.767793][ T284] ? __pfx_____sys_sendmsg+0x10/0x10 [ 41.767923][ T284] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 41.768093][ T284] ___sys_sendmsg+0xee/0x170 [ 41.768224][ T284] ? __pfx____sys_sendmsg+0x10/0x10 [ 41.768356][ T284] ? __pfx___debug_check_no_obj_freed+0x10/0x10 [ 41.768520][ T284] ? __pfx_free_object_rcu+0x10/0x10 [ 41.768650][ T284] ? trace_rcu_segcb_stats+0x37/0x1e0 [ 41.768782][ T284] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 41.768944][ T284] ? kmem_cache_free+0xf8/0x340 [ 41.769075][ T284] ? do_sys_openat2+0x141/0x160 [ 41.769210][ T284] ? do_sys_openat2+0x10a/0x160 [ 41.769339][ T284] ? fdget+0x52/0x1e0 [ 41.769440][ T284] __sys_sendmsg+0xcd/0x170 [ 41.769573][ T284] ? __pfx___sys_sendmsg+0x10/0x10 [ 41.769705][ T284] ? __pfx___up_read+0x10/0x10 [ 41.769839][ T284] do_syscall_64+0xc1/0x1d0 [ 41.769970][ T284] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.770140][ T284] RIP: 0033:0x7fb491a317b7 [ 41.770276][ 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 [ 41.770741][ T284] RSP: 002b:00007ffe2861bb98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 41.770937][ T284] RAX: ffffffffffffffda RBX: 00007ffe2861c2c0 RCX: 00007fb491a317b7 [ 41.771129][ T284] RDX: 0000000000000000 RSI: 00007ffe2861bc00 RDI: 0000000000000005 [ 41.771334][ T284] RBP: 0000000000000002 R08: 0000000000000044 R09: 0000000000000000 [ 41.771529][ T284] R10: 00007fb4918ea708 R11: 0000000000000246 R12: 00007ffe2861c2e0 [ 41.771724][ T284] R13: 00000000672a0d19 R14: 0000000000496600 R15: 00007ffe2861bce8 [ 41.771921][ T284] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr