------------[ cut here ]------------ usb 8-1: BOGUS control dir, pipe 80005580 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.0.6160/16129 Modules linked in: CPU: 2 UID: 0 PID: 16129 Comm: syz.0.6160 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 c5 ab fa 4c 89 e7 e8 6b 2b dc fe 48 89 c6 48 8d 3d 41 08 8a 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 c5 ab fa 89 ee bf ff 00 00 00 RSP: 0000:ffffc9000eb97630 EFLAGS: 00010283 RAX: ffffffff8c83e860 RBX: ffff88801cf8d700 RCX: 0000000080005580 RDX: ffff88806e2e9620 RSI: ffffffff8c83e860 RDI: ffffffff90e6ffa0 RBP: ffff888052613058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880526130b0 R13: ffff88806d44b680 R14: ffff88806d44b686 R15: ffff88806d44b687 FS: 0000000000000000(0000) GS:ffff88809733b000(0063) knlGS:00000000f4f71b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f73f0c70 CR3: 000000007792f000 CR4: 0000000000352ef0 DR0: ffffffffffffffff DR1: 00000000000001f7 DR2: 00000000ffffffff DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 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 dtv5100_i2c_msg+0x1be/0x340 drivers/media/usb/dvb-usb/dtv5100.c:65 dtv5100_i2c_xfer+0x131/0x3d0 drivers/media/usb/dvb-usb/dtv5100.c:91 __i2c_transfer+0x5d9/0x1740 drivers/i2c/i2c-core-base.c:2287 i2c_smbus_xfer_emulated+0x235/0x1110 drivers/i2c/i2c-core-smbus.c:471 __i2c_smbus_xfer+0x619/0x1100 drivers/i2c/i2c-core-smbus.c:621 i2c_smbus_xfer+0x185/0x3c0 drivers/i2c/i2c-core-smbus.c:547 i2cdev_ioctl_smbus+0x4b9/0xac0 drivers/i2c/i2c-dev.c:356 compat_i2cdev_ioctl+0x439/0x540 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+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: 0023:0xf7f14fec 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:00000000f4f7150c EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000000000c RCX: 0000000000000720 RDX: 00000000800000c0 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 c5 ab fa call 0xfaabc55d a: 4c 89 e7 mov %r12,%rdi d: e8 6b 2b dc fe call 0xfedc2b7d 12: 48 89 c6 mov %rax,%rsi 15: 48 8d 3d 41 08 8a 09 lea 0x98a0841(%rip),%rdi # 0x98a085d 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 c5 ab fa call 0xfaabc55d 39: 89 ee mov %ebp,%esi 3b: bf ff 00 00 00 mov $0xff,%edi