Re: [Linux-kernel-mentees] [PATCH v2 RESEND] usbhid: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
From: Peilin Ye <hidden>
Date: 2020-08-18 10:00:25
Also in:
linux-input, linux-usb, lkml
On Mon, Aug 17, 2020 at 12:21:41PM +0200, Jiri Kosina wrote:
On Wed, 29 Jul 2020, Peilin Ye wrote:quoted
`uref->usage_index` is not always being properly checked, causing hiddev_ioctl_usage() to go out of bounds under some cases. Fix it. Reported-by: syzbot+34ee1b45d88571c2fa8b@syzkaller.appspotmail.com Link: https://syzkaller.appspot.com/bug?id=f2aebe90b8c56806b050a20b36f51ed6acabe802 Reviewed-by: Dan Carpenter <redacted> Signed-off-by: Peilin Ye <redacted> --- Change in v2: - Add the same check for the `HIDIOCGUSAGE` case. (Suggested by Dan Carpenter [off-list ref])Applied, thanks.
Thank you for reviewing the patch! Peilin Ye _______________________________________________ Linux-kernel-mentees mailing list Linux-kernel-mentees@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees