------------[ cut here ]------------ usb 5-1: BOGUS control dir, pipe 80007380 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:413 at usb_submit_urb+0x1057/0x18b0 drivers/usb/core/urb.c:411, CPU#0: syz.0.1676/11828 Modules linked in: CPU: 0 UID: 0 PID: 11828 Comm: syz.0.1676 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:usb_submit_urb+0x1100/0x18b0 drivers/usb/core/urb.c:411 Code: b8 00 00 00 00 00 fc ff df 41 0f b6 04 04 84 c0 0f 85 b2 05 00 00 45 0f b6 45 00 48 8b 3c 24 48 8b 74 24 18 4c 89 f2 44 89 f9 <67> 48 0f b9 3a 48 bd 00 00 00 00 00 fc ff df e9 ba f2 ff ff 44 89 RSP: 0018:ffffc9000573f798 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88803268b400 RCX: 0000000080007380 RDX: ffff888025705d60 RSI: ffffffff8c81f2c0 RDI: ffffffff9040b850 RBP: dffffc0000000000 R08: 00000000000000c0 R09: 0000000000000000 R10: ffffc9000573f880 R11: fffff52000ae7f1c R12: 1ffff11004ae0ab0 R13: ffff888025705580 R14: ffff888025705d60 R15: 0000000080007380 FS: 00007f915cb3b6c0(0000) GS:ffff888125220000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2b5ef8 CR3: 00000000341b2000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 00000000000000ff DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: usb_start_wait_urb+0x13f/0x5b0 drivers/usb/core/message.c:62 usb_internal_control_msg drivers/usb/core/message.c:117 [inline] usb_control_msg+0x234/0x3e0 drivers/usb/core/message.c:167 dib0700_i2c_xfer_new drivers/media/usb/dvb-usb/dib0700_core.c:206 [inline] dib0700_i2c_xfer+0x502/0xf80 drivers/media/usb/dvb-usb/dib0700_core.c:358 __i2c_transfer+0x7be/0x1fe0 drivers/i2c/i2c-core-base.c:-1 i2c_transfer+0x1cc/0x2d0 drivers/i2c/i2c-core-base.c:2343 i2c_transfer_buffer_flags+0x10d/0x1a0 drivers/i2c/i2c-core-base.c:2371 i2c_master_recv include/linux/i2c.h:79 [inline] i2cdev_read+0x10d/0x250 drivers/i2c/i2c-dev.c:155 vfs_read+0x213/0xa80 fs/read_write.c:572 ksys_pread64 fs/read_write.c:764 [inline] __do_sys_pread64 fs/read_write.c:772 [inline] __se_sys_pread64 fs/read_write.c:769 [inline] __x64_sys_pread64+0x196/0x220 fs/read_write.c:769 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f915bb9ce59 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:00007f915cb3b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000011 RAX: ffffffffffffffda RBX: 00007f915be15fa0 RCX: 00007f915bb9ce59 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f915bc32e6f R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000003ff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f915be16038 R14: 00007f915be15fa0 R15: 00007f915bf3fa48 ---------------- Code disassembly (best guess): 0: b8 00 00 00 00 mov $0x0,%eax 5: 00 fc add %bh,%ah 7: ff lcall (bad) 8: df 41 0f filds 0xf(%rcx) b: b6 04 mov $0x4,%dh d: 04 84 add $0x84,%al f: c0 0f 85 rorb $0x85,(%rdi) 12: b2 05 mov $0x5,%dl 14: 00 00 add %al,(%rax) 16: 45 0f b6 45 00 movzbl 0x0(%r13),%r8d 1b: 48 8b 3c 24 mov (%rsp),%rdi 1f: 48 8b 74 24 18 mov 0x18(%rsp),%rsi 24: 4c 89 f2 mov %r14,%rdx 27: 44 89 f9 mov %r15d,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp 36: fc ff df 39: e9 ba f2 ff ff jmp 0xfffff2f8 3e: 44 rex.R 3f: 89 .byte 0x89