bond5 (unregistering): Released all slaves bond4 (unregistering): (slave bridge2): Releasing backup interface bond4 (unregistering): Released all slaves bond3 (unregistering): (slave bridge1): Releasing backup interface bond3 (unregistering): Released all slaves bond2 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 0 PID: 41 at net/core/dev.c:10870 unregister_netdevice_many+0x140e/0x1930 net/core/dev.c:10870 Modules linked in: CPU: 0 PID: 41 Comm: kworker/u4:2 Not tainted 6.1.0-rc3-syzkaller-00181-gb7cbc6740bd6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: netns cleanup_net RIP: 0010:unregister_netdevice_many+0x140e/0x1930 net/core/dev.c:10870 Code: c2 1a 00 00 48 c7 c6 00 b4 f4 8a 48 c7 c7 00 b5 f4 8a c6 05 7d b8 73 06 01 e8 2a 37 f1 01 0f 0b e9 7a f9 ff ff e8 c2 f5 23 fa <0f> 0b e9 51 f9 ff ff e8 36 49 70 fa e9 b9 ed ff ff 4c 89 ef e8 59 RSP: 0018:ffffc90000b27a58 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000018121401 RCX: 0000000000000000 RDX: ffff888011bf0000 RSI: ffffffff8758b6ce RDI: 0000000000000001 RBP: ffff888075a07c00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888075a07c00 R14: ffff888074450000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005629f5909000 CR3: 00000000266aa000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: default_device_exit_batch+0x449/0x590 net/core/dev.c:11341 ops_exit_list+0x125/0x170 net/core/net_namespace.c:174 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:601 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306