------------[ cut here ]------------ usb 7-1: BOGUS control dir, pipe 80002080 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#0: syz.0.647/8820 Modules linked in: CPU: 0 UID: 0 PID: 8820 Comm: syz.0.647 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 53 cc 88 fa 4c 89 e7 e8 ab 4a db fe 48 89 c6 48 8d 3d c1 e3 ce 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 24 cc 88 fa 89 ee bf ff 00 00 00 RSP: 0000:ffffc90002d578c8 EFLAGS: 00010287 RAX: ffffffff8cc70e40 RBX: ffff8880602ede00 RCX: 0000000080002080 RDX: ffff888021408040 RSI: ffffffff8cc70e40 RDI: ffffffff91505310 RBP: ffff88805fced058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88805fced0b0 R13: ffff88806f9b7da0 R14: ffff88806f9b7da6 R15: ffff88806f9b7da7 FS: 0000000000000000(0000) GS:ffff8880969bd000(0063) knlGS:00000000f543db40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f73c9d68 CR3: 000000006c929000 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:2288 i2c_transfer+0x158/0x380 drivers/i2c/i2c-core-base.c:2344 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: 0023:0xf704efec Code: d2 74 05 c1 e8 0c 89 02 8b 5d fc 31 c0 c9 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 58 b8 RSP: 002b:00000000f543d50c EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000006 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 53 cc 88 fa call 0xfa88cc5d a: 4c 89 e7 mov %r12,%rdi d: e8 ab 4a db fe call 0xfedb4abd 12: 48 89 c6 mov %rax,%rsi 15: 48 8d 3d c1 e3 ce 09 lea 0x9cee3c1(%rip),%rdi # 0x9cee3dd 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 24 cc 88 fa call 0xfa88cc5d 39: 89 ee mov %ebp,%esi 3b: bf ff 00 00 00 mov $0xff,%edi