linux-hardening - Re: [PATCH v4 3/5] string: add strends() helper to check if a string ends with a suffix

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZvqdaLAVbUF0i1Zi@smile.fi.intel.com>
Date: Mon, 30 Sep 2024 15:45:28 +0300
From: Andy Shevchenko <andy@...nel.org>
To: Christian Marangi <ansuelsmth@...il.com>
Cc: Jens Axboe <axboe@...nel.dk>, Jonathan Corbet <corbet@....net>,
	Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Kees Cook <kees@...nel.org>,
	Daniel Golle <daniel@...rotopia.org>,
	INAGAKI Hiroshi <musashino.open@...il.com>,
	Christian Brauner <brauner@...nel.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Li Lingfeng <lilingfeng3@...wei.com>,
	Ming Lei <ming.lei@...hat.com>,
	Christian Heusel <christian@...sel.eu>, linux-block@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Lorenzo Bianconi <lorenzo@...nel.org>, upstream@...oha.com,
	Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: Re: [PATCH v4 3/5] string: add strends() helper to check if a string
 ends with a suffix

On Mon, Sep 30, 2024 at 01:30:10PM +0200, Christian Marangi wrote:
> Add strends() helper to check if a string ends with a suffix. The
> unreadable strends is chosen to keep consistency with the parallel
> strstarts helper used to check if a string starts with a prefix.

strstarts()

> To prevent out-of-bounds read, len of string is checked against the
> prefix length before comparing the 2 string at the offset.

...

> +/**
> + * strends - does @str end with @suffix?
> + * @str: string to examine
> + * @suffix: suffix to look for.

Please, run kernel doc validator

	scripts/kernel-doc -Wall -none ...

and fix the warning.

> + */

-- 
With Best Regards,
Andy Shevchenko