linux-kernel - Re: [PATCH 1/6] pstore: Add console log messages support

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Message-ID: <20120516223345.GB22797@lizard>
Date:	Wed, 16 May 2012 15:33:46 -0700
From:	Anton Vorontsov <anton.vorontsov@...aro.org>
To:	Kees Cook <keescook@...omium.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Colin Cross <ccross@...roid.com>,
	Tony Luck <tony.luck@...el.com>, Arnd Bergmann <arnd@...db.de>,
	John Stultz <john.stultz@...aro.org>,
	Shuah Khan <shuahkhan@...il.com>, arve@...roid.com,
	Rebecca Schultz Zavin <rebecca@...roid.com>,
	Jesper Juhl <jj@...osbits.net>,
	Randy Dunlap <rdunlap@...otime.net>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Thomas Meyer <thomas@...3r.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Marco Stornelli <marco.stornelli@...il.com>,
	WANG Cong <xiyou.wangcong@...il.com>,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	kernel-team@...roid.com
Subject: Re: [PATCH 1/6] pstore: Add console log messages support

On Wed, May 16, 2012 at 09:49:11AM -0700, Kees Cook wrote:
[...]
> > +#ifdef CONFIG_PSTORE_CONSOLE
> > +static void pstore_console_write(struct console *con, const char *s, unsigned c)
> > +{
> > +       strncpy(psinfo->buf, s, c);
> 
> The size of psinfo->buf needs to be the length argument to strncpy,
> not the size of "s". If "s" isn't NULL terminated, then the min of c
> and buf's size should be used. And if this should be NULL terminated
> in buf, that needs to be added manually since strncpy won't do it if
> it hits the max length argument.

Whoops. Will fix it, thanks!

-- 
Anton Vorontsov
Email: cbouatmailru@...il.com
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