From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: Re: [PATCH master] sandbox: libc_malloc: multiply, not add, args in calloc overflow check
Date: Tue, 04 Mar 2025 09:16:03 +0100 [thread overview]
Message-ID: <174107616336.753345.12402535592277524479.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20250303132800.3164782-1-a.fatoum@pengutronix.de>
On Mon, 03 Mar 2025 14:28:00 +0100, Ahmad Fatoum wrote:
> libc_malloc is built without access to barebox headers, so instead of
> size_mul it's using GCC builtins directly.
>
> The check against BAREBOX_MALLOC_MAX_SIZE should've been done using the
> product as indicated by the variable name, but erroneously
> __builtin_add_overflow was used instead of __builtin_mul_overflow.
>
> [...]
Applied, thanks!
[1/1] sandbox: libc_malloc: multiply, not add, args in calloc overflow check
https://git.pengutronix.de/cgit/barebox/commit/?id=75296e2aa356 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2025-03-04 9:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-03 13:28 Ahmad Fatoum
2025-03-04 8:16 ` 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=174107616336.753345.12402535592277524479.b4-ty@pengutronix.de \
--to=s.hauer@pengutronix.de \
--cc=a.fatoum@pengutronix.de \
--cc=barebox@lists.infradead.org \
/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