------------[ cut here ]------------ usb 5-1: BOGUS control dir, pipe 80007680 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#1: syz.0.2811/17654 Modules linked in: CPU: 1 UID: 0 PID: 17654 Comm: syz.0.2811 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 a3 48 7d fa 4c 89 e7 e8 0b e1 da fe 48 89 c6 48 8d 3d 01 7f c4 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 74 48 7d fa 89 ee bf ff 00 00 00 RSP: 0018:ffffc900042278c8 EFLAGS: 00010287 RAX: ffffffff8cc87300 RBX: ffff88802aee6200 RCX: 0000000080007680 RDX: ffff88802545d480 RSI: ffffffff8cc87300 RDI: ffffffff9152dae0 RBP: ffff8880251e1058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880251e10b0 R13: ffff88800e9f46a0 R14: ffff88800e9f46a6 R15: ffff88800e9f46a7 FS: 0000000000000000(0000) GS:ffff888096a55000(0063) knlGS:00000000f54bdb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f72eeb54 CR3: 000000006b782000 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+0x5d4/0x1740 drivers/i2c/i2c-core-base.c:2294 i2c_transfer+0x158/0x380 drivers/i2c/i2c-core-base.c:2350 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:79 [inline] __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316 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: 0000000000000003 RCX: 0000000000000707 RDX: 0000000080000340 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 a3 48 7d fa call 0xfa7d48ad a: 4c 89 e7 mov %r12,%rdi d: e8 0b e1 da fe call 0xfedae11d 12: 48 89 c6 mov %rax,%rsi 15: 48 8d 3d 01 7f c4 09 lea 0x9c47f01(%rip),%rdi # 0x9c47f1d 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 74 48 7d fa call 0xfa7d48ad 39: 89 ee mov %ebp,%esi 3b: bf ff 00 00 00 mov $0xff,%edi