linux-kernel - Re: [PATCH] staging: rtl8192e: Fix possible buffer overflow in _rtl92e_wx_set

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Date:   Mon, 1 Mar 2021 15:37:42 +0000
From:   Lee <leegib@...il.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     devel@...verdev.osuosl.org, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org
Subject: Re: [PATCH] staging: rtl8192e: Fix possible buffer overflow in
 _rtl92e_wx_set_scan




> This check worked out pretty well.  It's probably 50% bugs?  Unfiltered
> results below.  The trick of warning for "if (ststr(member, "->ssid")) "
> and the memcpy length couldn't be verified turned out to be the best.

That list looks great. I checked out 2 of those listed at random and 
they look like valid bugs to me.

> But there are quite a few real bugs as well.  If anyone wants to fix any
> of these just claim a bug, and I won't send a patch for that warning.
> :)  Lee, I think you mentioned that you had found a related buffer
> overflow fix?  Did the check find it?


I think I found 2 in these files:

drivers/staging/rtl8712/rtl871x_cmd.c    
drivers/staging/wfx/hif_tx.c

Regards,
Lee