dtv5100: wlen = 0, aborting. ------------[ cut here ]------------ usb 5-1: BOGUS control dir, pipe 80005180 doesn't match bRequestType c0 WARNING: CPU: 0 PID: 14322 at drivers/usb/core/urb.c:413 usb_submit_urb+0x112b/0x1830 drivers/usb/core/urb.c:411 Modules linked in: CPU: 0 UID: 0 PID: 14322 Comm: syz.2.2748 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:usb_submit_urb+0x112b/0x1830 drivers/usb/core/urb.c:411 Code: 0f b6 44 05 00 84 c0 0f 85 e8 05 00 00 45 0f b6 45 00 48 c7 c7 00 ff 34 8c 48 8b 74 24 10 4c 89 fa 44 89 f1 e8 46 6f 57 fa 90 <0f> 0b 90 90 49 bc 00 00 00 00 00 fc ff df e9 17 f4 ff ff 89 e9 80 RSP: 0018:ffffc900037475f0 EFLAGS: 00010246 RAX: 1de4b563842d0a00 RBX: ffff888146b3bd00 RCX: 0000000000080000 RDX: ffffc9000c98a000 RSI: 0000000000006e52 RDI: 0000000000006e53 RBP: 1ffff11009a3a130 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: dffffc0000000000 R13: ffff88804d1d0980 R14: 0000000080005180 R15: ffff88807ce9e600 FS: 0000000000000000(0000) GS:ffff888125c18000(0063) knlGS:00000000f5506b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000003321bffc CR3: 000000006c970000 CR4: 00000000003526f0 Call Trace: usb_start_wait_urb+0x114/0x4c0 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x232/0x3e0 drivers/usb/core/message.c:154 dtv5100_i2c_msg+0x250/0x330 drivers/media/usb/dvb-usb/dtv5100.c:60 dtv5100_i2c_xfer+0x1a4/0x3c0 drivers/media/usb/dvb-usb/dtv5100.c:86 __i2c_transfer+0x874/0x2170 drivers/i2c/i2c-core-base.c:-1 i2c_transfer+0x25b/0x3a0 drivers/i2c/i2c-core-base.c:2320 i2c_transfer_buffer_flags+0x105/0x190 drivers/i2c/i2c-core-base.c:2348 i2c_master_send include/linux/i2c.h:109 [inline] i2cdev_write+0x112/0x1b0 drivers/i2c/i2c-dev.c:183 do_loop_readv_writev fs/read_write.c:850 [inline] vfs_writev+0x4b3/0x960 fs/read_write.c:1059 do_writev+0x14d/0x2d0 fs/read_write.c:1103 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb6/0x2b0 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7fe3539 Code: 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f550655c EFLAGS: 00000206 ORIG_RAX: 0000000000000092 RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 0000000080000040 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 4: 10 07 adc %al,(%rdi) 6: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi a: 10 08 adc %cl,(%rax) c: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 ret 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 90 nop 33: 90 nop 34: 90 nop 35: 90 nop 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop