------------[ cut here ]------------ WARNING: CPU: 1 PID: 5505 at net/core/dev.c:10876 unregister_netdevice_many_notify+0x14d8/0x19a0 net/core/dev.c:10876 Modules linked in: CPU: 1 PID: 5505 Comm: syz-executor.1 Not tainted 6.5.0-rc6-syzkaller-00030-gd4f8e13b0614 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:unregister_netdevice_many_notify+0x14d8/0x19a0 net/core/dev.c:10876 Code: b4 1a 00 00 48 c7 c6 e0 12 81 8b 48 c7 c7 20 13 81 8b c6 05 91 54 6c 06 01 e8 04 14 23 f9 0f 0b e9 64 f7 ff ff e8 98 52 5c f9 <0f> 0b e9 3b f7 ff ff e8 8c 82 af f9 e9 fc ec ff ff 4c 89 e7 e8 df RSP: 0018:ffffc90005cef158 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 000000001e803001 RCX: ffffc900059b3000 RDX: 0000000000040000 RSI: ffffffff8828ce28 RDI: 0000000000000001 RBP: ffff888110b20000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000094000 R12: ffff888110a29800 R13: 0000000000000000 R14: 0000000000000002 R15: ffff888110a29800 FS: 00007fc9504ad6c0(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd2e6fb2d58 CR3: 000000002cb1f000 CR4: 0000000000352ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rtnl_delete_link net/core/rtnetlink.c:3214 [inline] rtnl_dellink+0x3c1/0xae0 net/core/rtnetlink.c:3266 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6428 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2549 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x539/0x800 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x93c/0xe30 net/netlink/af_netlink.c:1914 sock_sendmsg_nosec net/socket.c:725 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:748 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2494 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2548 __sys_sendmsg+0x117/0x1e0 net/socket.c:2577 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc94f67cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc9504ad0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc94f79bf80 RCX: 00007fc94f67cae9 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000009 RBP: 00007fc94f6c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fc94f79bf80 R15: 00007fff06597b88