------------[ cut here ]------------ usb 8-1: BOGUS control dir, pipe 80000580 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:412 at usb_submit_urb+0x153e/0x1970 drivers/usb/core/urb.c:412, CPU#1: syz.1.720/9317 Modules linked in: CPU: 1 UID: 0 PID: 9317 Comm: syz.1.720 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:usb_submit_urb+0x1549/0x1970 drivers/usb/core/urb.c:412 Code: 30 48 89 7c 24 38 e8 e6 18 aa fa 48 8b 7c 24 38 e8 dc 7f d0 fe 48 89 c6 48 8d 3d b2 a2 80 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 b3 18 aa fa 48 8b RSP: 0018:ffffc9000caff638 EFLAGS: 00010283 RAX: ffffffff8c545920 RBX: ffff888050bafc00 RCX: 0000000080000580 RDX: ffff88806a81ff80 RSI: ffffffff8c545920 RDI: ffffffff9094e860 RBP: ffff888028017058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888028f1f200 R13: 00000000000000c0 R14: 0000000000000001 R15: 0000000080000580 FS: 0000000000000000(0000) GS:ffff8880977f6000(0063) knlGS:00000000f542bb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000056170365c008 CR3: 0000000028f1e000 CR4: 0000000000352ef0 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 dtv5100_i2c_msg+0x1fa/0x360 drivers/media/usb/dvb-usb/dtv5100.c:65 dtv5100_i2c_xfer+0x1e0/0x420 drivers/media/usb/dvb-usb/dtv5100.c:91 __i2c_transfer+0x6b6/0x2100 drivers/i2c/i2c-core-base.c:2261 i2c_smbus_xfer_emulated+0x230/0x1210 drivers/i2c/i2c-core-smbus.c:470 __i2c_smbus_xfer drivers/i2c/i2c-core-smbus.c:608 [inline] __i2c_smbus_xfer+0x836/0xf60 drivers/i2c/i2c-core-smbus.c:554 i2c_smbus_xfer drivers/i2c/i2c-core-smbus.c:546 [inline] i2c_smbus_xfer+0x200/0x3c0 drivers/i2c/i2c-core-smbus.c:536 i2cdev_ioctl_smbus+0x441/0x990 drivers/i2c/i2c-dev.c:356 compat_i2cdev_ioctl+0x434/0x530 drivers/i2c/i2c-dev.c:585 __do_compat_sys_ioctl fs/ioctl.c:695 [inline] __se_compat_sys_ioctl fs/ioctl.c:638 [inline] __ia32_compat_sys_ioctl+0x242/0x370 fs/ioctl.c:638 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe8/0x680 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf707d579 Code: b8 01 10 06 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 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f542b55c EFLAGS: 00000296 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 0000000000000720 RDX: 0000000080000580 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 30 48 89 xor %cl,-0x77(%rax) 3: 7c 24 jl 0x29 5: 38 e8 cmp %ch,%al 7: e6 18 out %al,$0x18 9: aa stos %al,%es:(%rdi) a: fa cli b: 48 8b 7c 24 38 mov 0x38(%rsp),%rdi 10: e8 dc 7f d0 fe call 0xfed07ff1 15: 48 89 c6 mov %rax,%rsi 18: 48 8d 3d b2 a2 80 09 lea 0x980a2b2(%rip),%rdi # 0x980a2d1 1f: 48 8b 54 24 30 mov 0x30(%rsp),%rdx 24: 45 89 e8 mov %r13d,%r8d 27: 44 89 f9 mov %r15d,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 fd ed ff ff jmp 0xffffee31 34: 48 89 7c 24 30 mov %rdi,0x30(%rsp) 39: e8 b3 18 aa fa call 0xfaaa18f1 3e: 48 rex.W 3f: 8b .byte 0x8b