------------[ cut here ]------------ usb 1-1: BOGUS control dir, pipe 80002b80 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:413 at usb_submit_urb+0x1052/0x18b0 drivers/usb/core/urb.c:411, CPU#0: syz.1.2632/12206 Modules linked in: CPU: 0 UID: 0 PID: 12206 Comm: syz.1.2632 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:usb_submit_urb+0x1114/0x18b0 drivers/usb/core/urb.c:411 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:ffffc900037b7748 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88802bd6e300 RCX: 0000000080002b80 RDX: ffff888033435360 RSI: ffffffff8c7eeb40 RDI: ffffffff901eb390 RBP: 1ffff1100f9aac2c R08: 00000000000000c0 R09: 0000000000000000 R10: ffffc900037b7840 R11: fffff520006f6f14 R12: ffff888076615100 R13: ffff88807cd56160 R14: 0000000080002b80 R15: ffff888033435360 FS: 0000000000000000(0000) GS:ffff888125467000(0063) knlGS:00000000f53ddb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7464e8c CR3: 000000007d2b6000 CR4: 00000000003526f0 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 dtv5100_i2c_msg+0x231/0x2f0 drivers/media/usb/dvb-usb/dtv5100.c:65 dtv5100_i2c_xfer+0x1a4/0x3c0 drivers/media/usb/dvb-usb/dtv5100.c:91 __i2c_transfer+0x79a/0x2020 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 compat_i2cdev_ioctl+0x59f/0x5c0 drivers/i2c/i2c-dev.c:574 __do_compat_sys_ioctl fs/ioctl.c:695 [inline] __se_compat_sys_ioctl fs/ioctl.c:638 [inline] __ia32_compat_sys_ioctl+0x5ea/0x950 fs/ioctl.c:638 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0x20d/0x640 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf6feef6c Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 58 b8 77 00 00 00 cd 80 0f 0b 90 90 90 90 90 90 b8 ad RSP: 002b:00000000f53dd50c EFLAGS: 00000206 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000000707 RDX: 0000000080000a40 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- 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