------------[ cut here ]------------
kernel BUG at net/core/dev.c:10340!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 14766 Comm: syz.7.4714 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:register_netdevice+0x147a/0x1490 net/core/dev.c:10340
Code: ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 57 fd ff ff 4c 89 f7 e8 37 b4 e6 fd e9 4a fd ff ff e8 fd 44 a7 fd 0f 0b e8 f6 44 a7 fd <0f> 0b e8 ef 44 a7 fd 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00
RSP: 0018:ffffc9000181f820 EFLAGS: 00010287
RAX: ffffffff83c271ea RBX: ffff8881260ec4e8 RCX: 0000000000080000
RDX: ffffc90010025000 RSI: 0000000000000495 RDI: 0000000000000496
RBP: ffffc9000181f968 R08: ffffffff86d17ca7 R09: 1ffffffff0da2f94
R10: dffffc0000000000 R11: fffffbfff0da2f95 R12: ffff8881260ec000
R13: dffffc0000000000 R14: 0000000000000003 R15: 1ffff11024c1d89d
FS:  00007f93a2a9b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32210ff8 CR3: 0000000125e04000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 register_netdev+0x3e/0x50 net/core/dev.c:10555
 gether_register_netdev+0x7f/0x120 drivers/usb/gadget/function/u_ether.c:882
 rndis_bind+0x2a0/0xcc0 drivers/usb/gadget/function/f_rndis.c:709
 usb_add_function+0x2c1/0x820 drivers/usb/gadget/composite.c:337
 configfs_composite_bind+0xa9c/0x13a0 drivers/usb/gadget/configfs.c:1446
 udc_bind_to_driver+0x1fb/0x770 drivers/usb/gadget/udc/core.c:1511
 usb_gadget_probe_driver+0x1fc/0x380 drivers/usb/gadget/udc/core.c:1589
 gadget_dev_desc_UDC_store+0x217/0x330 drivers/usb/gadget/configfs.c:321
 flush_write_buffer fs/configfs/file.c:207 [inline]
 configfs_write_iter+0x312/0x400 fs/configfs/file.c:229
 call_write_iter include/linux/fs.h:2212 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x831/0xfd0 fs/read_write.c:594
 ksys_write+0x14a/0x260 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 x64_sys_call+0x8ef/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f93a4041f99
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:00007f93a2a9b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f93a42c9fa0 RCX: 00007f93a4041f99
RDX: 000000000000000b RSI: 0000200000000c80 RDI: 0000000000000003
RBP: 00007f93a40d8ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f93a42ca038 R14: 00007f93a42c9fa0 R15: 00007ffc549eb318
 </TASK>
Modules linked in:
---[ end trace c48fa71973d9ed89 ]---
RIP: 0010:register_netdevice+0x147a/0x1490 net/core/dev.c:10340
Code: ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 57 fd ff ff 4c 89 f7 e8 37 b4 e6 fd e9 4a fd ff ff e8 fd 44 a7 fd 0f 0b e8 f6 44 a7 fd <0f> 0b e8 ef 44 a7 fd 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00
RSP: 0018:ffffc9000181f820 EFLAGS: 00010287
RAX: ffffffff83c271ea RBX: ffff8881260ec4e8 RCX: 0000000000080000
RDX: ffffc90010025000 RSI: 0000000000000495 RDI: 0000000000000496
RBP: ffffc9000181f968 R08: ffffffff86d17ca7 R09: 1ffffffff0da2f94
R10: dffffc0000000000 R11: fffffbfff0da2f95 R12: ffff8881260ec000
R13: dffffc0000000000 R14: 0000000000000003 R15: 1ffff11024c1d89d
FS:  00007f93a2a9b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4a99d9f2f8 CR3: 0000000125e04000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400