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kernel BUG at net/core/dev.c:10667!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 10201 Comm: syz-executor.1 Not tainted 5.11.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:free_netdev+0x157/0x190 net/core/dev.c:10667
Code: 9f 85 01 00 85 c0 74 24 5b c6 85 84 05 00 00 01 5d 41 5c c3 0f b7 85 32 02 00 00 48 89 ef 5b 5d 41 5c 48 29 c7 e9 e9 42 72 fe <0f> 0b 80 3d a6 cf 6a 02 00 75 d3 ba 90 29 00 00 48 c7 c6 97 d0 98
RSP: 0018:ffffc90002e7b708 EFLAGS: 00010293
RAX: 0000000000000001 RBX: ffff88811f033ef8 RCX: 0000000000000001
RDX: 0000000080000001 RSI: ffffffff848f3d10 RDI: 0000000000000000
RBP: ffff88811f034000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000004 R12: ffff88811f034058
R13: ffffffff8548b560 R14: ffffc90002e7bbb0 R15: 0000000000000000
FS:  00007f0640c10700(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004e35b0 CR3: 000000011e7a9000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __rtnl_newlink+0x835/0x890 net/core/rtnetlink.c:3447
 rtnl_newlink+0x3e/0x60 net/core/rtnetlink.c:3491
 rtnetlink_rcv_msg+0x173/0x480 net/core/rtnetlink.c:5553
 netlink_rcv_skb+0x49/0xf0 net/netlink/af_netlink.c:2494
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x19a/0x270 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x248/0x480 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0x2b/0x40 net/socket.c:672
 ____sys_sendmsg+0x1ed/0x230 net/socket.c:2345
 ___sys_sendmsg+0x77/0xb0 net/socket.c:2399
 __sys_sendmsg+0x52/0xa0 net/socket.c:2432
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f0640c0fc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffc9581f15f R14: 00007f0640c109c0 R15: 000000000119bf8c
Modules linked in:
---[ end trace 3196ff58052153d5 ]---
RIP: 0010:free_netdev+0x157/0x190 net/core/dev.c:10667
Code: 9f 85 01 00 85 c0 74 24 5b c6 85 84 05 00 00 01 5d 41 5c c3 0f b7 85 32 02 00 00 48 89 ef 5b 5d 41 5c 48 29 c7 e9 e9 42 72 fe <0f> 0b 80 3d a6 cf 6a 02 00 75 d3 ba 90 29 00 00 48 c7 c6 97 d0 98
RSP: 0018:ffffc90002e7b708 EFLAGS: 00010293
RAX: 0000000000000001 RBX: ffff88811f033ef8 RCX: 0000000000000001
RDX: 0000000080000001 RSI: ffffffff848f3d10 RDI: 0000000000000000
RBP: ffff88811f034000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000004 R12: ffff88811f034058
R13: ffffffff8548b560 R14: ffffc90002e7bbb0 R15: 0000000000000000
FS:  00007f0640c10700(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004e35b0 CR3: 000000011e7a9000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400