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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Andrzej Hajda <a.hajda@samsung.com>
Cc: linux-kernel@vger.kernel.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Ingo Molnar <mingo@redhat.com>,
	kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] perf tools: fix handling read result
Date: Tue, 06 Oct 2015 13:40:22 +0000	[thread overview]
Message-ID: <20151006134022.GL20515@kernel.org> (raw)
In-Reply-To: <1444122017-16856-1-git-send-email-a.hajda@samsung.com>

Em Tue, Oct 06, 2015 at 11:00:17AM +0200, Andrzej Hajda escreveu:
> The function can return negative value, assigning it to unsigned
> variable can cause memory corruption.
> 
> The problem has been detected using proposed semantic patch
> scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
> 
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576

Thanks, applied.

- Arnaldo

WARNING: multiple messages have this Message-ID (diff)
From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Andrzej Hajda <a.hajda@samsung.com>
Cc: linux-kernel@vger.kernel.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Ingo Molnar <mingo@redhat.com>,
	kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] perf tools: fix handling read result
Date: Tue, 6 Oct 2015 10:40:22 -0300	[thread overview]
Message-ID: <20151006134022.GL20515@kernel.org> (raw)
In-Reply-To: <1444122017-16856-1-git-send-email-a.hajda@samsung.com>

Em Tue, Oct 06, 2015 at 11:00:17AM +0200, Andrzej Hajda escreveu:
> The function can return negative value, assigning it to unsigned
> variable can cause memory corruption.
> 
> The problem has been detected using proposed semantic patch
> scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
> 
> [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576

Thanks, applied.

- Arnaldo

  reply	other threads:[~2015-10-06 13:40 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-06  9:00 [PATCH] perf tools: fix handling read result Andrzej Hajda
2015-10-06  9:00 ` Andrzej Hajda
2015-10-06 13:40 ` Arnaldo Carvalho de Melo [this message]
2015-10-06 13:40   ` Arnaldo Carvalho de Melo
2015-10-08  9:46 ` [tip:perf/core] perf tools: Fix handling read result using a signed variable tip-bot for Andrzej Hajda

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