------------[ cut here ]------------ usb 6-1: BOGUS control dir, pipe 80003380 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:414 at usb_submit_urb+0x1052/0x18b0 drivers/usb/core/urb.c:412, CPU#1: syz.4.1858/12467 Modules linked in: CPU: 1 UID: 0 PID: 12467 Comm: syz.4.1858 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:usb_submit_urb+0x1114/0x18b0 drivers/usb/core/urb.c:412 Code: 00 00 00 00 00 fc ff df 0f b6 44 05 00 84 c0 0f 85 91 05 00 00 45 0f b6 45 00 48 8b 7c 24 18 48 8b 74 24 10 4c 89 fa 44 89 f1 <67> 48 0f b9 3a 49 bf 00 00 00 00 00 fc ff df e9 c2 f2 ff ff 89 e9 RSP: 0018:ffffc900159c7948 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8880594e8e00 RCX: 0000000080003380 RDX: ffff8881404b66a0 RSI: ffffffff8c5dcd60 RDI: ffffffff8ffc2fa0 RBP: 1ffff1100b326918 R08: 00000000000000c0 R09: 0000000000000000 R10: ffffc900159c7a40 R11: fffff52002b38f54 R12: ffff888020eb1100 R13: ffff8880599348c0 R14: 0000000080003380 R15: ffff8881404b66a0 FS: 00007f45c7f976c0(0000) GS:ffff8881257f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f44f9918440 CR3: 0000000027ec0000 CR4: 00000000003526f0 DR0: 0000000000000003 DR1: 00000000000001f8 DR2: 000000000000008e DR3: 000000000000057a DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: usb_start_wait_urb+0x12b/0x510 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x232/0x3e0 drivers/usb/core/message.c:154 dib0700_ctrl_rd drivers/media/usb/dvb-usb/dib0700_core.c:95 [inline] dib0700_i2c_xfer_legacy drivers/media/usb/dvb-usb/dib0700_core.c:315 [inline] dib0700_i2c_xfer+0xbb2/0xf80 drivers/media/usb/dvb-usb/dib0700_core.c:361 __i2c_transfer+0x79a/0x1ee0 drivers/i2c/i2c-core-base.c:-1 i2c_transfer+0x1cc/0x2d0 drivers/i2c/i2c-core-base.c:2317 i2cdev_ioctl_rdwr+0x460/0x740 drivers/i2c/i2c-dev.c:306 i2cdev_ioctl+0x6a5/0x880 drivers/i2c/i2c-dev.c:467 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f45c719aeb9 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:00007f45c7f97028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f45c7415fa0 RCX: 00007f45c719aeb9 RDX: 0000200000000340 RSI: 0000000000000707 RDI: 000000000000000d RBP: 00007f45c7208c1f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f45c7416038 R14: 00007f45c7415fa0 R15: 00007f45c753fa48 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 fc add %bh,%ah 6: ff lcall (bad) 7: df 0f fisttps (%rdi) 9: b6 44 mov $0x44,%dh b: 05 00 84 c0 0f add $0xfc08400,%eax 10: 85 91 05 00 00 45 test %edx,0x45000005(%rcx) 16: 0f b6 45 00 movzbl 0x0(%rbp),%eax 1a: 48 8b 7c 24 18 mov 0x18(%rsp),%rdi 1f: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 24: 4c 89 fa mov %r15,%rdx 27: 44 89 f1 mov %r14d,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15 36: fc ff df 39: e9 c2 f2 ff ff jmp 0xfffff300 3e: 89 e9 mov %ebp,%ecx