------------[ cut here ]------------ usb 3-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:412 at 0x0, CPU#1: syz.2.19/6658 Modules linked in: CPU: 1 UID: 0 PID: 6658 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:usb_submit_urb+0x1549/0x1970 drivers/usb/core/urb.c:412 Code: 30 48 89 7c 24 38 e8 56 37 a9 fa 48 8b 7c 24 38 e8 fc 78 d0 fe 48 89 c6 48 8d 3d e2 87 7e 09 48 8b 54 24 30 45 89 e8 44 89 f9 <67> 48 0f b9 3a e9 fd ed ff ff 48 89 7c 24 30 e8 23 37 a9 fa 48 8b RSP: 0018:ffffc9000418f970 EFLAGS: 00010293 RAX: ffffffff8c544680 RBX: ffff88806b031700 RCX: 0000000080000280 RDX: ffff8880364d38a0 RSI: ffffffff8c544680 RDI: ffffffff90943460 RBP: ffff888028064058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802a925340 R13: 00000000000000c0 R14: 0000000000000001 R15: 0000000080000280 FS: 00007f942cf946c0(0000) GS:ffff8881249fd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055891bb61300 CR3: 000000006aef7000 CR4: 00000000003526f0 Call Trace: usb_start_wait_urb+0x104/0x4e0 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x326/0x4a0 drivers/usb/core/message.c:154 dib0700_ctrl_rd+0x1b2/0x350 drivers/media/usb/dvb-usb/dib0700_core.c:95 dib0700_i2c_xfer_legacy drivers/media/usb/dvb-usb/dib0700_core.c:315 [inline] dib0700_i2c_xfer+0xa9a/0xe40 drivers/media/usb/dvb-usb/dib0700_core.c:361 __i2c_transfer+0x6b6/0x2100 drivers/i2c/i2c-core-base.c:2261 i2c_transfer drivers/i2c/i2c-core-base.c:2317 [inline] i2c_transfer+0x1da/0x380 drivers/i2c/i2c-core-base.c:2293 i2cdev_ioctl_rdwr+0x373/0x710 drivers/i2c/i2c-dev.c:306 i2cdev_ioctl+0x628/0x840 drivers/i2c/i2c-dev.c:467 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f942c18eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f942cf94038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f942c3e5fa0 RCX: 00007f942c18eec9 RDX: 0000200000000300 RSI: 0000000000000707 RDI: 0000000000000004 RBP: 00007f942c211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f942c3e6038 R14: 00007f942c3e5fa0 R15: 00007ffd3f1f4d08 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 89 7c 24 38 mov %rdi,0x38(%rsp) 5: e8 56 37 a9 fa call 0xfaa93760 a: 48 8b 7c 24 38 mov 0x38(%rsp),%rdi f: e8 fc 78 d0 fe call 0xfed07910 14: 48 89 c6 mov %rax,%rsi 17: 48 8d 3d e2 87 7e 09 lea 0x97e87e2(%rip),%rdi # 0x97e8800 1e: 48 8b 54 24 30 mov 0x30(%rsp),%rdx 23: 45 89 e8 mov %r13d,%r8d 26: 44 89 f9 mov %r15d,%ecx * 29: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2e: e9 fd ed ff ff jmp 0xffffee30 33: 48 89 7c 24 30 mov %rdi,0x30(%rsp) 38: e8 23 37 a9 fa call 0xfaa93760 3d: 48 rex.W 3e: 8b .byte 0x8b