[ 2.124101] ip (241) used greatest stack depth: 12088 bytes left [ 2.370455] bond0: (slave eth0): Enslaving as a backup interface with a down link [ 2.383251] bond0: (slave eth1): Enslaving as a backup interface with a down link [ 2.407875] bond0: (slave eth0): Enslaving as a backup interface with an up link [ 2.419770] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 69.541649] bond0: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 69.542779] bond0: (slave eth0): link status definitely up, 10000 Mbps full duplex [ 69.542881] bond0: (slave eth1): link status definitely up, 10000 Mbps full duplex [ 69.542966] bond0: active interface up! [ 82.175089] bond0: (slave eth0): Releasing backup interface [ 82.175168] bond0: (slave eth0): the permanent HWaddr of slave - be:14:04:35:1d:4b - is still in use by bond - set the HWaddr of slave to a different address to avoid conflicts [ 82.175328] bond0: active interface up! [ 82.200812] bond0: (slave eth0): link status definitely down, disabling slave [ 82.213115] bond0: (slave eth1): Removing an active aggregator [ 82.213236] bond0: (slave eth1): Releasing backup interface [ 82.304810] bond0: (slave eth0): link status definitely up, 10000 Mbps full duplex [ 82.305014] bond0: active interface up! [ 153.672812] bond0 (unregistering): (slave eth0): Removing an active aggregator [ 153.672935] bond0 (unregistering): (slave eth0): Releasing backup interface [ 153.680931] bond0 (unregistering): Released all slaves [ 153.690798] ------------[ cut here ]------------ [ 153.690877] refcount_t: underflow; use-after-free. [ 153.690949] WARNING: CPU: 3 PID: 3725 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 153.691060] Modules linked in: cls_matchall [ 153.691091] CPU: 3 UID: 0 PID: 3725 Comm: kworker/u16:2 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 153.691163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 153.691218] Workqueue: netns cleanup_net [ 153.691248] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 153.691304] Code: 89 e8 88 98 ba ff 90 0f 0b 90 90 c3 80 3d 69 b4 eb 00 00 75 89 c6 05 60 b4 eb 00 01 90 48 c7 c7 98 6e 74 89 e8 65 98 ba ff 90 <0f> 0b 90 90 c3 80 3d 44 b4 eb 00 00 0f 85 62 ff ff ff c6 05 37 b4 [ 153.691461] RSP: 0000:ffffb74c81e1bd50 EFLAGS: 00010286 [ 153.691500] RAX: 0000000000000000 RBX: ffffb74c81e1bd60 RCX: 00000000ffffdfff [ 153.691546] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 153.691598] RBP: ffffb74c81e1b878 R08: ffffffff89b56a28 R09: 00000000ffffdfff [ 153.691644] R10: ffffffff89a76a40 R11: ffffffff89b26a40 R12: dead000000000122 [ 153.691699] R13: 00000000fffdc3fa R14: 0000000000000001 R15: ffff94c805caa000 [ 153.691801] FS: 0000000000000000(0000) GS:ffff94c8b4b37000(0000) knlGS:0000000000000000 [ 153.691859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 153.691906] CR2: 00007fcc2cb7c9c0 CR3: 0000000005c51004 CR4: 0000000000772ef0 [ 153.691954] PKRU: 55555554 [ 153.691979] Call Trace: [ 153.691996] [ 153.692021] netdev_run_todo+0x21a/0x550 [ 153.692057] ops_undo_list+0x1e3/0x1f0 [ 153.692088] cleanup_net+0x1b7/0x2b0 [ 153.692119] process_one_work+0x162/0x380 [ 153.692150] worker_thread+0x299/0x3c0 [ 153.692182] ? rescuer_thread+0x4c0/0x4c0 [ 153.692214] kthread+0x101/0x1f0 [ 153.692245] ? kthreads_online_cpu+0x110/0x110 [ 153.692284] ? kthreads_online_cpu+0x110/0x110 [ 153.692323] ret_from_fork+0x11c/0x140 [ 153.692356] ? kthreads_online_cpu+0x110/0x110 [ 153.692393] ret_from_fork_asm+0x11/0x20 [ 153.692426] [ 153.692448] ---[ end trace 0000000000000000 ]--- [ 153.692893] bond0: (slave eth1): Removing an active aggregator [ 153.692963] bond0: (slave eth1): Releasing backup interface [ 153.725105] bond0 (unregistering): Released all slaves