All of lore.kernel.org
 help / color / mirror / Atom feed
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: manas18244@iiitd.ac.in
Cc: Pete Zaitcev <zaitcev@redhat.com>,
	Paolo Abeni <paolo.abeni@email.it>,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@suse.de>,
	syzbot+86b6d7c8bcc66747c505@syzkaller.appspotmail.com
Subject: Re: [PATCH] usbmon: Fix out-of-bounds read in mon_copy_to_buff
Date: Thu, 3 Jul 2025 07:12:45 +0200	[thread overview]
Message-ID: <2025070322-overstay-compacter-3544@gregkh> (raw)
In-Reply-To: <20250703-fix-oob-mon_copy_to_buff-v1-1-1aa7f5723d91@iiitd.ac.in>

On Thu, Jul 03, 2025 at 02:57:40AM +0530, Manas Gupta via B4 Relay wrote:
> From: Manas Gupta <manas18244@iiitd.ac.in>
> 
> memcpy tries to copy buffer 'from' when it is empty. This leads to
> out-of-bounds crash.

What exactly is the "crash" that you are seeing?  What is reporting it,
and how?

thanks,

greg k-h

  parent reply	other threads:[~2025-07-03  5:12 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-02 21:27 [PATCH] usbmon: Fix out-of-bounds read in mon_copy_to_buff Manas Gupta
2025-07-02 21:27 ` Manas Gupta via B4 Relay
2025-07-02 21:42 ` contact
2025-07-03  2:29   ` Alan Stern
2025-07-03  5:12 ` Greg Kroah-Hartman [this message]
2025-07-03  5:40   ` Manas
2025-07-03 14:51     ` Alan Stern

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=2025070322-overstay-compacter-3544@gregkh \
    --to=gregkh@linuxfoundation.org \
    --cc=gregkh@suse.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=manas18244@iiitd.ac.in \
    --cc=paolo.abeni@email.it \
    --cc=syzbot+86b6d7c8bcc66747c505@syzkaller.appspotmail.com \
    --cc=zaitcev@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.