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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: 6+ 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 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

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