------------[ cut here ]------------
kernel BUG at net/core/dev.c:11340!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 20067 Comm: syz.7.3707 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:register_netdevice+0x1233/0x25a0 net/core/dev.c:11340
Code: 0f 0b e8 40 73 7b f8 48 8d 3d 69 67 a3 07 ba 47 2c 00 00 48 c7 c6 00 64 16 8d 67 48 0f b9 3a e9 a5 ee ff ff e8 1e 73 7b f8 90 <0f> 0b e8 16 73 7b f8 90 0f 0b 48 8b 5c 24 18 48 8b 6c 24 20 e8 04
RSP: 0018:ffffc90002eaf788 EFLAGS: 00010283
RAX: 0000000000000cda RBX: 1ffff920005d5efa RCX: ffffc900083fb000
RDX: 0000000000080000 RSI: ffffffff898e3ae2 RDI: ffff8880209aa540
RBP: ffff88806c494000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000003
R13: ffff88806c494f10 R14: ffff88806c495049 R15: ffff8880290f04bc
FS:  0000000000000000(0000) GS:ffff888096bdf000(0063) knlGS:00000000f541db40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002da12ff8 CR3: 000000004ca44000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 register_netdev+0x34/0x50 net/core/dev.c:11562
 gether_register_netdev+0x93/0x130 drivers/usb/gadget/function/u_ether.c:873
 geth_bind+0x1f0/0x700 drivers/usb/gadget/function/f_subset.c:310
 usb_add_function+0x219/0x890 drivers/usb/gadget/composite.c:333
 configfs_composite_bind+0xd83/0x1960 drivers/usb/gadget/configfs.c:1802
 gadget_bind_driver+0x28c/0xbf0 drivers/usb/gadget/udc/core.c:1662
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __driver_attach+0x21f/0x5b0 drivers/base/dd.c:1292
 bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:383
 bus_add_driver+0x305/0x5b0 drivers/base/bus.c:763
 driver_register+0x1e2/0x360 drivers/base/driver.c:174
 usb_gadget_register_driver_owner+0x132/0x210 drivers/usb/gadget/udc/core.c:1752
 gadget_dev_desc_UDC_store+0x1b0/0x2e0 drivers/usb/gadget/configfs.c:300
 flush_write_buffer fs/configfs/file.c:207 [inline]
 configfs_write_iter+0x302/0x4e0 fs/configfs/file.c:229
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf702efec
Code: Unable to access opcode bytes at 0xf702efc2.
RSP: 002b:00000000f541d50c EFLAGS: 00000292 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000080000280
RDX: 000000000000000c RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:register_netdevice+0x1233/0x25a0 net/core/dev.c:11340
Code: 0f 0b e8 40 73 7b f8 48 8d 3d 69 67 a3 07 ba 47 2c 00 00 48 c7 c6 00 64 16 8d 67 48 0f b9 3a e9 a5 ee ff ff e8 1e 73 7b f8 90 <0f> 0b e8 16 73 7b f8 90 0f 0b 48 8b 5c 24 18 48 8b 6c 24 20 e8 04
RSP: 0018:ffffc90002eaf788 EFLAGS: 00010283
RAX: 0000000000000cda RBX: 1ffff920005d5efa RCX: ffffc900083fb000
RDX: 0000000000080000 RSI: ffffffff898e3ae2 RDI: ffff8880209aa540
RBP: ffff88806c494000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000003
R13: ffff88806c494f10 R14: ffff88806c495049 R15: ffff8880290f04bc
FS:  0000000000000000(0000) GS:ffff888096bdf000(0063) knlGS:00000000f541db40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f53fbff4 CR3: 000000004ca44000 CR4: 0000000000352ef0