------------[ cut here ]------------ usb 6-1: BOGUS control dir, pipe 80003b80 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:411 at usb_submit_urb+0x15ff/0x19b0 drivers/usb/core/urb.c:411, CPU#2: syz.1.1931/13059 Modules linked in: CPU: 2 UID: 0 PID: 13059 Comm: syz.1.1931 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:usb_submit_urb+0x160d/0x19b0 drivers/usb/core/urb.c:411 Code: 48 89 54 24 40 e8 e3 21 a7 fa 4c 89 e7 e8 4b 24 dc fe 48 89 c6 48 8d 3d 51 70 87 09 44 8b 44 24 20 8b 4c 24 30 48 8b 54 24 40 <67> 48 0f b9 3a e9 28 ed ff ff e8 b4 21 a7 fa 89 ee bf ff 00 00 00 RSP: 0018:ffffc9000481f8c8 EFLAGS: 00010283 RAX: ffffffff8c846280 RBX: ffff888075b94900 RCX: 0000000080003b80 RDX: ffff888028a76520 RSI: ffffffff8c846280 RDI: ffffffff90e92ac0 RBP: ffff88802977a058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802977a0b0 R13: ffff888012cabee0 R14: ffff888012cabee6 R15: ffff888012cabee7 FS: 0000000000000000(0000) GS:ffff8880972e7000(0063) knlGS:00000000f54bdb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000000c3f182e CR3: 000000006ee2e000 CR4: 0000000000352ef0 Call Trace: usb_start_wait_urb+0x10e/0x580 drivers/usb/core/message.c:62 usb_internal_control_msg drivers/usb/core/message.c:117 [inline] usb_control_msg+0x328/0x4b0 drivers/usb/core/message.c:167 gl861_ctrl_msg+0x1a5/0x4a0 drivers/media/usb/dvb-usb-v2/gl861.c:58 gl861_i2c_master_xfer+0x545/0x690 drivers/media/usb/dvb-usb-v2/gl861.c:144 __i2c_transfer+0x5d9/0x1740 drivers/i2c/i2c-core-base.c:2287 i2c_transfer+0x15f/0x380 drivers/i2c/i2c-core-base.c:2343 i2cdev_ioctl_rdwr+0x3ec/0x700 drivers/i2c/i2c-dev.c:306 compat_i2cdev_ioctl+0x469/0x540 drivers/i2c/i2c-dev.c:575 __do_compat_sys_ioctl fs/ioctl.c:695 [inline] __se_compat_sys_ioctl fs/ioctl.c:638 [inline] __ia32_compat_sys_ioctl+0x2cf/0x360 fs/ioctl.c:638 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf70cefec Code: Unable to access opcode bytes at 0xf70cefc2. RSP: 002b:00000000f54bd50c EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000707 RDX: 0000000080000180 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 48 89 54 24 40 mov %rdx,0x40(%rsp) 5: e8 e3 21 a7 fa call 0xfaa721ed a: 4c 89 e7 mov %r12,%rdi d: e8 4b 24 dc fe call 0xfedc245d 12: 48 89 c6 mov %rax,%rsi 15: 48 8d 3d 51 70 87 09 lea 0x9877051(%rip),%rdi # 0x987706d 1c: 44 8b 44 24 20 mov 0x20(%rsp),%r8d 21: 8b 4c 24 30 mov 0x30(%rsp),%ecx 25: 48 8b 54 24 40 mov 0x40(%rsp),%rdx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 28 ed ff ff jmp 0xffffed5c 34: e8 b4 21 a7 fa call 0xfaa721ed 39: 89 ee mov %ebp,%esi 3b: bf ff 00 00 00 mov $0xff,%edi