------------[ cut here ]------------
kernel BUG at net/core/dev.c:10115!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1009 Comm: syz.4.212 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:register_netdevice+0x153e/0x1550 net/core/dev.c:10115
Code: ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 0f fd ff ff 4c 89 f7 e8 c3 b9 c2 fd e9 02 fd ff ff e8 69 2f 7d fd 0f 0b e8 62 2f 7d fd <0f> 0b e8 5b 2f 7d fd 0f 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5
RSP: 0018:ffffc9000e54f560 EFLAGS: 00010287
RAX: ffffffff83f436de RBX: ffff88810d96c528 RCX: 0000000000080000
RDX: ffffc90003251000 RSI: 00000000000004c9 RDI: 00000000000004ca
RBP: ffffc9000e54f6b0 R08: ffffffff87782547 R09: 1ffffffff0ef04a8
R10: dffffc0000000000 R11: fffffbfff0ef04a9 R12: ffff88810d96c000
R13: dffffc0000000000 R14: 0000000000000003 R15: ffffffff87c28080
FS:  00007ff01ac4c6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000dc030 CR3: 000000011d7e1000 CR4: 00000000003506b0
Call Trace:
 <TASK>
 register_netdev+0x3e/0x50 net/core/dev.c:10332
 gether_register_netdev+0x63/0x110 drivers/usb/gadget/function/u_ether.c:884
 ncm_bind+0x213/0xa00 drivers/usb/gadget/function/f_ncm.c:1459
 usb_add_function+0x2cf/0x830 drivers/usb/gadget/composite.c:337
 configfs_composite_bind+0xa9c/0x13b0 drivers/usb/gadget/configfs.c:1443
 gadget_bind_driver+0x2eb/0x990 drivers/usb/gadget/udc/core.c:1623
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x2d7/0x9a0 drivers/base/dd.c:639
 __driver_probe_device+0x193/0x270 drivers/base/dd.c:808
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838
 __driver_attach+0x41a/0x5d0 drivers/base/dd.c:1224
 bus_for_each_dev+0x18c/0x200 drivers/base/bus.c:303
 driver_attach+0x42/0x50 drivers/base/dd.c:1241
 bus_add_driver+0x322/0x560 drivers/base/bus.c:620
 driver_register+0x335/0x440 drivers/base/driver.c:246
 usb_gadget_register_driver_owner+0xf8/0x270 drivers/usb/gadget/udc/core.c:1713
 gadget_dev_desc_UDC_store+0x220/0x340 drivers/usb/gadget/configfs.c:327
 flush_write_buffer fs/configfs/file.c:207 [inline]
 configfs_write_iter+0x323/0x410 fs/configfs/file.c:229
 call_write_iter include/linux/fs.h:2282 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x5ef/0xd00 fs/read_write.c:584
 ksys_write+0x14a/0x260 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:646
 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ff019d9e0d9
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:00007ff01ac4c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff01a025fa0 RCX: 00007ff019d9e0d9
RDX: 000000000000000b RSI: 0000200000000480 RDI: 0000000000000006
RBP: 00007ff019e35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff01a026038 R14: 00007ff01a025fa0 R15: 00007fff4c90ddc8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:register_netdevice+0x153e/0x1550 net/core/dev.c:10115
Code: ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 0f fd ff ff 4c 89 f7 e8 c3 b9 c2 fd e9 02 fd ff ff e8 69 2f 7d fd 0f 0b e8 62 2f 7d fd <0f> 0b e8 5b 2f 7d fd 0f 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5
RSP: 0018:ffffc9000e54f560 EFLAGS: 00010287
RAX: ffffffff83f436de RBX: ffff88810d96c528 RCX: 0000000000080000
RDX: ffffc90003251000 RSI: 00000000000004c9 RDI: 00000000000004ca
RBP: ffffc9000e54f6b0 R08: ffffffff87782547 R09: 1ffffffff0ef04a8
R10: dffffc0000000000 R11: fffffbfff0ef04a9 R12: ffff88810d96c000
R13: dffffc0000000000 R14: 0000000000000003 R15: ffffffff87c28080
FS:  00007ff01ac4c6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff01ac09ff8 CR3: 000000011d7e1000 CR4: 00000000003506a0