Re: [FFmpeg-devel] [PATCH 4/5] lavu/intmath.h: Fix UB in ff_ctz_c() and ff_ctzll_c()

From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 4/5] lavu/intmath.h: Fix UB in ff_ctz_c() and ff_ctzll_c()
Date: Fri, 31 May 2024 02:31:52 +0200
Message-ID: <20240531003152.GK2821752@pb2> (raw)
In-Reply-To: <0c19df65a8142e2cf96fbc07a92bf44bb32f1107.camel@haerdin.se>

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On Thu, May 30, 2024 at 12:14:23AM +0200, Tomas Härdin wrote:
> 

>  intmath.h |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 5ae92c415924602aeca4e0fcb3bf886a4c1911f1  0004-lavu-intmath.h-Fix-UB-in-ff_ctz_c-and-ff_ctzll_c.patch
> From f9a12089bc98dde0ccc2487d1442ec6ddb7705f6 Mon Sep 17 00:00:00 2001
> From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= <git@haerdin.se>
> Date: Thu, 16 May 2024 18:10:58 +0200
> Subject: [PATCH 4/5] lavu/intmath.h: Fix UB in ff_ctz_c() and ff_ctzll_c()
> 
> Found by value analysis
> ---
>  libavutil/intmath.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

LGTM

thx

[...]

-- 
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