------------[ cut here ]------------ kernel BUG at net/core/dev.c:10341! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 364 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 RIP: 0010:register_netdevice+0x147a/0x1490 net/core/dev.c:10341 Code: ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 57 fd ff ff 4c 89 f7 e8 b7 19 e6 fd e9 4a fd ff ff e8 6d 7f a6 fd 0f 0b e8 66 7f a6 fd <0f> 0b e8 5f 7f a6 fd 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 RSP: 0018:ffffc90000bf7820 EFLAGS: 00010283 RAX: ffffffff83c3579a RBX: ffff88810f9464e8 RCX: 0000000000080000 RDX: ffffc900013eb000 RSI: 00000000000000e2 RDI: 00000000000000e3 RBP: ffffc90000bf7968 R08: ffffffff86d19167 R09: 1ffffffff0da322c R10: dffffc0000000000 R11: fffffbfff0da322d R12: ffff88810f946000 R13: dffffc0000000000 R14: 0000000000000003 R15: 1ffff11021f28c9d FS: 00007f992af866c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f992c57c200 CR3: 000000011f1bd000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: register_netdev+0x3e/0x50 net/core/dev.c:10556 gether_register_netdev+0x7f/0x120 drivers/usb/gadget/function/u_ether.c:882 ecm_bind+0x18c/0x8c0 drivers/usb/gadget/function/f_ecm.c:708 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:2218 [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: 0033:0x7f992c52eb19 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:00007f992af86028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f992c7b4fa0 RCX: 00007f992c52eb19 RDX: 000000000000000b RSI: 00002000000004c0 RDI: 0000000000000008 RBP: 00007f992c5c6b70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f992c7b5038 R14: 00007f992c7b4fa0 R15: 00007ffdaade0008 Modules linked in: ---[ end trace 38f1a1471d9e9508 ]--- RIP: 0010:register_netdevice+0x147a/0x1490 net/core/dev.c:10341 Code: ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 57 fd ff ff 4c 89 f7 e8 b7 19 e6 fd e9 4a fd ff ff e8 6d 7f a6 fd 0f 0b e8 66 7f a6 fd <0f> 0b e8 5f 7f a6 fd 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 RSP: 0018:ffffc90000bf7820 EFLAGS: 00010283 RAX: ffffffff83c3579a RBX: ffff88810f9464e8 RCX: 0000000000080000 RDX: ffffc900013eb000 RSI: 00000000000000e2 RDI: 00000000000000e3 RBP: ffffc90000bf7968 R08: ffffffff86d19167 R09: 1ffffffff0da322c R10: dffffc0000000000 R11: fffffbfff0da322d R12: ffff88810f946000 R13: dffffc0000000000 R14: 0000000000000003 R15: 1ffff11021f28c9d FS: 00007f992af866c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200001000000 CR3: 000000011f1bd000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400