Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: WARNING in hid_submit_ctrl/usb_submit_urb cm6533_jd 0003:0D8C:0022.0001: submit_ctrl: maxpacket 64 len 0 padlen 0 ------------[ cut here ]------------ usb 1-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType a1 WARNING: CPU: 0 PID: 10203 at drivers/usb/core/urb.c:410 usb_submit_urb+0x149d/0x18a0 drivers/usb/core/urb.c:410 Modules linked in: CPU: 0 PID: 10203 Comm: syz-executor.0 Not tainted 5.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:usb_submit_urb+0x149d/0x18a0 drivers/usb/core/urb.c:410 Code: 7c 24 40 e8 45 64 1f fc 48 8b 7c 24 40 e8 4b fc 0b ff 45 89 e8 44 89 f1 4c 89 e2 48 89 c6 48 c7 c7 e0 b2 27 8a e8 01 ec 91 03 <0f> 0b e9 a5 ee ff ff e8 17 64 1f fc 0f b6 1d 59 ca 01 08 31 ff 41 RSP: 0018:ffffc9000a7f7bd0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff888033e83058 RCX: 0000000000000000 RDX: ffff88802bfd8000 RSI: ffffffff815d85c5 RDI: fffff520014fef6c RBP: ffff8880168b2410 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815d23fe R11: 0000000000000000 R12: ffff8880217a0230 R13: 00000000000000a1 R14: 0000000080000280 R15: ffff88801803aa00 FS: 00007f92577f8700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000050eab0 CR3: 000000003dd81000 CR4: 0000000000350ef0 Call Trace: hid_submit_ctrl+0x6db/0xa70 drivers/hid/usbhid/hid-core.c:418 usbhid_restart_ctrl_queue.isra.0+0x244/0x3a0 drivers/hid/usbhid/hid-core.c:258 __usbhid_submit_report+0x6f0/0xd50 drivers/hid/usbhid/hid-core.c:605 usbhid_submit_report drivers/hid/usbhid/hid-core.c:642 [inline] usbhid_init_reports+0xd7/0x3b0 drivers/hid/usbhid/hid-core.c:782 hiddev_ioctl+0xb27/0x1630 drivers/hid/usbhid/hiddev.c:689 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:1069 [inline] __se_sys_ioctl fs/ioctl.c:1055 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:1055 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665e9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f92577f8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000000004805 RDI: 0000000000000004 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffcad46f49f R14: 00007f92577f8300 R15: 0000000000022000 Tested on: commit: 794c7931 Merge branch 'linus' of git://git.kernel.org/.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=107e8c99300000 kernel config: https://syzkaller.appspot.com/x/.config?x=96f0602203250753 dashboard link: https://syzkaller.appspot.com/bug?extid=9b57a46bf1801ce2a2ca compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 patch: https://syzkaller.appspot.com/x/patch.diff?x=14dde499300000