------------[ cut here ]------------ usb 9-1: BOGUS control dir, pipe 80000a80 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:412 at usb_submit_urb+0x153e/0x1970 drivers/usb/core/urb.c:412, CPU#0: syz.6.3564/19242 Modules linked in: CPU: 0 UID: 0 PID: 19242 Comm: syz.6.3564 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:usb_submit_urb+0x1549/0x1970 drivers/usb/core/urb.c:412 Code: 30 48 89 7c 24 38 e8 36 b8 a8 fa 48 8b 7c 24 38 e8 6c 76 d0 fe 48 89 c6 48 8d 3d 72 43 7e 09 48 8b 54 24 30 45 89 e8 44 89 f9 <67> 48 0f b9 3a e9 fd ed ff ff 48 89 7c 24 30 e8 03 b8 a8 fa 48 8b RSP: 0018:ffffc9000fc979a0 EFLAGS: 00010283 RAX: ffffffff8c545660 RBX: ffff88804aa61b00 RCX: 0000000080000a80 RDX: ffff8880321d02c0 RSI: ffffffff8c545660 RDI: ffffffff90947410 RBP: ffff88807c08d058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880827fe0c0 R13: 00000000000000c0 R14: 0000000000000001 R15: 0000000080000a80 FS: 00007fc506b726c0(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3ebd12 CR3: 0000000075e7c000 CR4: 00000000003526f0 Call Trace: usb_start_wait_urb+0x104/0x4e0 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x326/0x4a0 drivers/usb/core/message.c:154 dtv5100_i2c_msg+0x1fa/0x360 drivers/media/usb/dvb-usb/dtv5100.c:65 dtv5100_i2c_xfer+0x1e0/0x420 drivers/media/usb/dvb-usb/dtv5100.c:91 __i2c_transfer+0x6b6/0x2100 drivers/i2c/i2c-core-base.c:2261 i2c_transfer drivers/i2c/i2c-core-base.c:2317 [inline] i2c_transfer+0x1da/0x380 drivers/i2c/i2c-core-base.c:2293 i2cdev_ioctl_rdwr+0x373/0x710 drivers/i2c/i2c-dev.c:306 i2cdev_ioctl+0x628/0x840 drivers/i2c/i2c-dev.c:467 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+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc505d8f749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc506b72038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc505fe5fa0 RCX: 00007fc505d8f749 RDX: 0000200000000a40 RSI: 0000000000000707 RDI: 0000000000000005 RBP: 00007fc505e13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc505fe6038 R14: 00007fc505fe5fa0 R15: 00007ffd8c60f778 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 89 7c 24 38 mov %rdi,0x38(%rsp) 5: e8 36 b8 a8 fa call 0xfaa8b840 a: 48 8b 7c 24 38 mov 0x38(%rsp),%rdi f: e8 6c 76 d0 fe call 0xfed07680 14: 48 89 c6 mov %rax,%rsi 17: 48 8d 3d 72 43 7e 09 lea 0x97e4372(%rip),%rdi # 0x97e4390 1e: 48 8b 54 24 30 mov 0x30(%rsp),%rdx 23: 45 89 e8 mov %r13d,%r8d 26: 44 89 f9 mov %r15d,%ecx * 29: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2e: e9 fd ed ff ff jmp 0xffffee30 33: 48 89 7c 24 30 mov %rdi,0x30(%rsp) 38: e8 03 b8 a8 fa call 0xfaa8b840 3d: 48 rex.W 3e: 8b .byte 0x8b