veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6239 at ./include/net/netdev_lock.h:17 netdev_assert_locked include/net/netdev_lock.h:17 [inline] WARNING: CPU: 1 PID: 6239 at ./include/net/netdev_lock.h:17 netdev_nl_dev_fill+0x6bc/0x860 net/core/netdev-genl.c:41 Modules linked in: CPU: 1 UID: 0 PID: 6239 Comm: kworker/u8:10 Not tainted 6.15.0-rc2-syzkaller-00563-g240ce924d271 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: netns cleanup_net RIP: 0010:netdev_assert_locked include/net/netdev_lock.h:17 [inline] RIP: 0010:netdev_nl_dev_fill+0x6bc/0x860 net/core/netdev-genl.c:41 Code: 1c 24 44 29 eb 4c 89 e8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 4a 01 00 00 41 89 5d 00 31 c0 e9 4d fe ff ff e8 65 4e c4 f7 90 <0f> 0b 90 e9 2c fa ff ff e8 57 4e c4 f7 90 0f 0b 90 42 80 3c 3b 00 RSP: 0018:ffffc9000b2d7320 EFLAGS: 00010293 RAX: ffffffff89fe6c5b RBX: 0000000000000000 RCX: ffff888030038000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000b2d7450 R08: ffffffff89fe667c R09: 1ffff11004b601dc R10: dffffc0000000000 R11: ffffed1004b601dd R12: ffff8880639f2000 R13: ffff888028505280 R14: ffff888028505280 R15: ffffc9000b2d74a0 FS: 0000000000000000(0000) GS:ffff8881250ab000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c35e293 CR3: 000000000eb38000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: netdev_genl_dev_notify+0x1fb/0x450 net/core/netdev-genl.c:102 netdev_genl_netdevice_event+0x81/0xa0 net/core/netdev-genl.c:-1 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2266 [inline] call_netdevice_notifiers net/core/dev.c:2280 [inline] unregister_netdevice_many_notify+0x16b7/0x2640 net/core/dev.c:12036 unregister_netdevice_many net/core/dev.c:12099 [inline] default_device_exit_batch+0x7ff/0x880 net/core/dev.c:12601 ops_exit_list net/core/net_namespace.c:206 [inline] ops_undo_list+0x47f/0x8b0 net/core/net_namespace.c:250 cleanup_net+0x530/0x940 net/core/net_namespace.c:684 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd50 kernel/workqueue.c:3400 kthread+0x7b7/0x940 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245