------------[ cut here ]------------ usb 9-1: BOGUS control dir, pipe 80006f80 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:412 at usb_submit_urb+0x1573/0x1910 drivers/usb/core/urb.c:412, CPU#0: syz.5.6737/1972 Modules linked in: CPU: 0 UID: 0 PID: 1972 Comm: syz.5.6737 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 RIP: 0010:usb_submit_urb+0x157e/0x1910 drivers/usb/core/urb.c:412 Code: d2 74 5d 48 89 54 24 40 e8 7f f5 c8 fa 4c 89 ef e8 b7 fe df fe 48 89 c6 48 8d 3d 9d ce 85 09 48 8b 54 24 40 45 89 f8 44 89 f1 <67> 48 0f b9 3a e9 c7 ed ff ff e8 53 f5 c8 fa 89 ee bf ff 00 00 00 RSP: 0018:ffffc9000bc07920 EFLAGS: 00010283 RAX: ffffffff8c5f44c0 RBX: ffff888036a3fa00 RCX: 0000000080006f80 RDX: ffff888031402160 RSI: ffffffff8c5f44c0 RDI: ffffffff90c3d490 RBP: ffff88809199b058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88804ad6b100 R13: ffff88809199b0b0 R14: 0000000080006f80 R15: 00000000000000c0 FS: 00007f031ddd66c0(0000) GS:ffff8881245db000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30723ffc CR3: 0000000088bc6000 CR4: 00000000003526f0 Call Trace: usb_start_wait_urb+0x106/0x4c0 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 gl861_ctrl_msg+0x1a5/0x4a0 drivers/media/usb/dvb-usb-v2/gl861.c:58 gl861_i2c_master_xfer+0x545/0x690 drivers/media/usb/dvb-usb-v2/gl861.c:144 __i2c_transfer+0x5e1/0x1610 drivers/i2c/i2c-core-base.c:2261 i2c_transfer+0x15f/0x380 drivers/i2c/i2c-core-base.c:2317 i2cdev_ioctl_rdwr+0x3ec/0x700 drivers/i2c/i2c-dev.c:306 i2cdev_ioctl+0x19d/0x830 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+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f031cf9acb9 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:00007f031ddd6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f031d215fa0 RCX: 00007f031cf9acb9 RDX: 0000200000000200 RSI: 0000000000000707 RDI: 0000000000000006 RBP: 00007f031d008bf7 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f031d216038 R14: 00007f031d215fa0 R15: 00007ffdf3025158 ---------------- Code disassembly (best guess): 0: d2 74 5d 48 shlb %cl,0x48(%rbp,%rbx,2) 4: 89 54 24 40 mov %edx,0x40(%rsp) 8: e8 7f f5 c8 fa call 0xfac8f58c d: 4c 89 ef mov %r13,%rdi 10: e8 b7 fe df fe call 0xfedffecc 15: 48 89 c6 mov %rax,%rsi 18: 48 8d 3d 9d ce 85 09 lea 0x985ce9d(%rip),%rdi # 0x985cebc 1f: 48 8b 54 24 40 mov 0x40(%rsp),%rdx 24: 45 89 f8 mov %r15d,%r8d 27: 44 89 f1 mov %r14d,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 c7 ed ff ff jmp 0xffffedfb 34: e8 53 f5 c8 fa call 0xfac8f58c 39: 89 ee mov %ebp,%esi 3b: bf ff 00 00 00 mov $0xff,%edi