------------[ cut here ]------------
RTNL: assertion failed at ./include/net/netdev_lock.h (72)
WARNING: ./include/net/netdev_lock.h:72 at netdev_queue_get_dma_dev+0x483/0x500, CPU#0: syz.2.584/6924
Modules linked in:
CPU: 0 UID: 0 PID: 6924 Comm: syz.2.584 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:netdev_queue_get_dma_dev+0x48f/0x500
Code: 75 d7 eb dd e8 e2 4e 10 f8 90 0f 0b 90 e9 e0 fc ff ff e8 d4 4e 10 f8 48 8d 3d 4d 23 b0 06 48 c7 c6 18 7c 28 8e ba 48 00 00 00 <67> 48 0f b9 3a e9 be fc ff ff 44 89 f9 80 e1 07 38 c1 0f 8c 9b fb
RSP: 0018:ffffc900037af9e0 EFLAGS: 00010287
RAX: ffffffff89b6990c RBX: ffff8881bb412000 RCX: 0000000000080000
RDX: 0000000000000048 RSI: ffffffff8e287c18 RDI: ffffffff9066bc60
RBP: 0000000000000000 R08: ffffffff900263e7 R09: 1ffffffff2004c7c
R10: dffffc0000000000 R11: fffffbfff2004c7d R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb4e17b46c0(0000) GS:ffff88818d95d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000004b030 CR3: 00000001be426000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 zcrx_register_netdev+0x213/0x520
 io_register_zcrx+0x953/0xc00
 __se_sys_io_uring_register+0xc23/0x1ab0
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb4e099e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb4e17b4028 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00007fb4e0c25fa0 RCX: 00007fb4e099e0d9
RDX: 0000200000000100 RSI: 0000000000000020 RDI: 0000000000000003
RBP: 00007fb4e0a35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb4e0c26038 R14: 00007fb4e0c25fa0 R15: 00007ffd8171b268
 </TASK>
