[ 26.361341][ T240] netdevsim netdevsim667 eni667np1: renamed from eth0 [ 27.017738][ T248] ip (248) used greatest stack depth: 24128 bytes left [ 27.199072][ T251] [ 27.199164][ T251] ===================================== [ 27.199294][ T251] WARNING: bad unlock balance detected! [ 27.199421][ T251] 6.12.0-rc5-virtme #1 Not tainted [ 27.199549][ T251] ------------------------------------- [ 27.199768][ T251] ip/251 is trying to release lock (rtnl_mutex) at: [ 27.199932][ T251] [] __rtnl_unlock+0x69/0xf0 [ 27.200098][ T251] but there are no more locks to release! [ 27.200227][ T251] [ 27.200227][ T251] other info that might help us debug this: [ 27.200418][ T251] no locks held by ip/251. [ 27.200552][ T251] [ 27.200552][ T251] stack backtrace: [ 27.200707][ T251] CPU: 3 UID: 0 PID: 251 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 27.200898][ T251] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.201176][ T251] Call Trace: [ 27.201283][ T251] [ 27.201350][ T251] dump_stack_lvl+0x82/0xd0 [ 27.201481][ T251] ? __rtnl_unlock+0x69/0xf0 [ 27.201615][ T251] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 27.201744][ T251] __lock_release+0x2f7/0x460 [ 27.201874][ T251] ? __pfx___lock_release+0x10/0x10 [ 27.202003][ T251] ? __rtnl_unlock+0x69/0xf0 [ 27.202131][ T251] lock_release+0xd7/0x140 [ 27.202257][ T251] __mutex_unlock_slowpath+0x8f/0x3b0 [ 27.202389][ T251] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 27.202516][ T251] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 27.202679][ T251] ? rtnl_link_ops_get+0x187/0x220 [ 27.202807][ T251] __rtnl_unlock+0x69/0xf0 [ 27.202937][ T251] rtnl_newlink+0x7fd/0xa30 [ 27.203065][ T251] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.203192][ T251] ? find_held_lock+0x2c/0x110 [ 27.203322][ T251] ? __lock_release+0x103/0x460 [ 27.203449][ T251] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.203578][ T251] ? __pfx___lock_release+0x10/0x10 [ 27.203711][ T251] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 27.203838][ T251] ? __pfx_rtnl_newlink+0x10/0x10 [ 27.203966][ T251] rtnetlink_rcv_msg+0x712/0xc10 [ 27.204098][ T251] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.204228][ T251] ? hlock_class+0x4e/0x130 [ 27.204357][ T251] ? mark_lock+0x38/0x3e0 [ 27.204455][ T251] ? __lock_acquire+0xb3f/0x1580 [ 27.204587][ T251] netlink_rcv_skb+0x130/0x360 [ 27.204718][ T251] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 27.204850][ T251] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 27.204981][ T251] ? netlink_deliver_tap+0x13e/0x340 [ 27.205110][ T251] ? netlink_deliver_tap+0xc3/0x340 [ 27.205240][ T251] netlink_unicast+0x44b/0x710 [ 27.205369][ T251] ? __pfx_netlink_unicast+0x10/0x10 [ 27.205494][ T251] ? find_held_lock+0x2c/0x110 [ 27.205625][ T251] netlink_sendmsg+0x723/0xbe0 [ 27.205771][ T251] ? __pfx_netlink_sendmsg+0x10/0x10 [ 27.205900][ T251] ____sys_sendmsg+0x7ac/0xa10 [ 27.206030][ T251] ? __pfx_____sys_sendmsg+0x10/0x10 [ 27.206156][ T251] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 27.206319][ T251] ? hlock_class+0x4e/0x130 [ 27.206446][ T251] ? validate_chain+0x130/0x9b0 [ 27.206573][ T251] ___sys_sendmsg+0xee/0x170 [ 27.206700][ T251] ? __pfx_validate_chain+0x10/0x10 [ 27.206834][ T251] ? __pfx____sys_sendmsg+0x10/0x10 [ 27.206962][ T251] ? __lock_acquire+0xb3f/0x1580 [ 27.207100][ T251] ? find_held_lock+0x2c/0x110 [ 27.207230][ T251] ? __lock_release+0x103/0x460 [ 27.207361][ T251] ? __might_fault+0x11b/0x170 [ 27.207489][ T251] ? fdget+0x52/0x1e0 [ 27.207586][ T251] ? lock_acquire+0x32/0xc0 [ 27.207716][ T251] __sys_sendmsg+0xcd/0x170 [ 27.207843][ T251] ? __pfx___sys_sendmsg+0x10/0x10 [ 27.207975][ T251] ? rseq_update_cpu_node_id+0xe6/0x140 [ 27.208110][ T251] do_syscall_64+0xc1/0x1d0 [ 27.208242][ T251] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 27.208402][ T251] RIP: 0033:0x7f95191747b7 [ 27.208539][ T251] 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 [ 27.208996][ T251] RSP: 002b:00007ffca4a7e8f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 27.209195][ T251] RAX: ffffffffffffffda RBX: 00007ffca4a7f020 RCX: 00007f95191747b7 [ 27.209386][ T251] RDX: 0000000000000000 RSI: 00007ffca4a7e960 RDI: 0000000000000005 [ 27.209589][ T251] RBP: 0000000000000008 R08: 0000000000000068 R09: 0000000000000000 [ 27.209780][ T251] R10: 00007f95191c3ac0 R11: 0000000000000246 R12: 00007ffca4a7f038 [ 27.209973][ T251] R13: 000000006729ba6a R14: 0000000000496600 R15: 00007ffca4a7ea4c [ 27.210174][ T251] WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr