WARNING: CPU: 1 PID: 14019 at net/core/dev.c:10427 unregister_netdevice_many+0x132e/0x1850 net/core/dev.c:10427 Modules linked in: CPU: 1 PID: 14019 Comm: syz-executor.3 Not tainted 5.16.0-rc4-next-20211210-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:unregister_netdevice_many+0x132e/0x1850 net/core/dev.c:10427 Code: 0b e9 9e f1 ff ff e8 c1 63 3f fa be 04 00 00 00 4c 89 f7 e8 54 3c af fc e9 36 fb ff ff 48 89 ef e9 18 f9 ff ff e8 a2 63 3f fa <0f> 0b e9 f3 f9 ff ff e8 96 63 3f fa 0f b6 1d b0 3d 45 06 31 ff 89 RSP: 0018:ffffc900063ff2b0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880478c00b0 RCX: ffffc9000fbf3000 RDX: 0000000000040000 RSI: ffffffff873897de RDI: 0000000000000003 RBP: ffff888022bf6d80 R08: 0000000000000000 R09: ffffffff8d31c947 R10: ffffffff873891a2 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888022bf6d80 R14: ffff8880478c0000 R15: dffffc0000000000 FS: 00007f8a6b8e3700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c624000 CR3: 0000000072c07000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rtnl_delete_link net/core/rtnetlink.c:3062 [inline] rtnl_dellink+0x354/0xa80 net/core/rtnetlink.c:3114 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5570 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:724 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f8a6cf6de99 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8a6b8e3168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8a6d080f60 RCX: 00007f8a6cf6de99 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00007f8a6cfc8031 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc58f72aff R14: 00007f8a6b8e3300 R15: 0000000000022000