------------[ cut here ]------------ usb 11-1: BOGUS control dir, pipe 80001680 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.7.2878/16380 Modules linked in: CPU: 0 UID: 0 PID: 16380 Comm: syz.7.2878 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 f4 a6 fa 4c 89 e7 e8 0b 1b dc fe 48 89 c6 48 8d 3d d1 ec 85 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 f4 a6 fa 89 ee bf ff 00 00 00 RSP: 0018:ffffc9000442f680 EFLAGS: 00010293 RAX: ffffffff8c8422a0 RBX: ffff888057c21800 RCX: 0000000080001680 RDX: ffff8880226e86c0 RSI: ffffffff8c8422a0 RDI: ffffffff90e877b0 RBP: ffff8880353ae058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880353ae0b0 R13: ffff88802d4458e0 R14: ffff88802d4458e6 R15: ffff88802d4458e7 FS: 00007fcef53296c0(0000) GS:ffff8880d62ef000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000002ab89000 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 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 i2cdev_ioctl+0x3cf/0x830 drivers/i2c/i2c-dev.c:478 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcef439ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fcef5329028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fcef4615fa0 RCX: 00007fcef439ce59 RDX: 00002000000000c0 RSI: 0000000000000720 RDI: 0000000000000004 RBP: 00007fcef4432e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fcef4616038 R14: 00007fcef4615fa0 R15: 00007fff190bb718 ---------------- Code disassembly (best guess): 0: 48 89 54 24 40 mov %rdx,0x40(%rsp) 5: e8 53 f4 a6 fa call 0xfaa6f45d a: 4c 89 e7 mov %r12,%rdi d: e8 0b 1b dc fe call 0xfedc1b1d 12: 48 89 c6 mov %rax,%rsi 15: 48 8d 3d d1 ec 85 09 lea 0x985ecd1(%rip),%rdi # 0x985eced 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 f4 a6 fa call 0xfaa6f45d 39: 89 ee mov %ebp,%esi 3b: bf ff 00 00 00 mov $0xff,%edi