From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Roland Hieber <rhi@pengutronix.de>
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: Re: [PATCH] commands: mipi_dbi: fix null pointer dereference when writing data
Date: Wed, 29 May 2024 08:08:34 +0200 [thread overview]
Message-ID: <171696291437.585205.13492870584984122304.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20240527132842.1016597-1-rhi@pengutronix.de>
On Mon, 27 May 2024 15:28:43 +0200, Roland Hieber wrote:
> When accessing argv[optind + i], the whole array index must stay below
> argc, not only i. Also val is only 4 bytes long, so when indexed with i
> (which was initialised to optind, which is at least 3) will overflow
> after reading one data argument from the command line. Add a guard
> against the latter case, and initialise i to 0 to fix the first problem.
>
>
> [...]
Applied, thanks!
[1/1] commands: mipi_dbi: fix null pointer dereference when writing data
https://git.pengutronix.de/cgit/barebox/commit/?id=da602c975fcc (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2024-05-29 6:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-27 13:28 Roland Hieber
2024-05-29 6:08 ` Sascha Hauer [this message]
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=171696291437.585205.13492870584984122304.b4-ty@pengutronix.de \
--to=s.hauer@pengutronix.de \
--cc=a.fatoum@pengutronix.de \
--cc=barebox@lists.infradead.org \
--cc=rhi@pengutronix.de \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox