From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 1/3] avcodec/bonk: Use unsigned in predictor_init_state() to avoid undefined behavior
Date: Mon, 28 Nov 2022 20:53:53 +0100
Message-ID: <20221128195353.GL3806951@pb2> (raw)
In-Reply-To: <20221116233220.5183-1-michael@niedermayer.cc>
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On Thu, Nov 17, 2022 at 12:32:18AM +0100, Michael Niedermayer wrote:
> Fixes: signed integer overflow: -5010 * -717450 cannot be represented in type 'int'
> Fixes: 53370/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_BONK_fuzzer-4945644204195840
>
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
> libavcodec/bonk.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
will apply remaining patches (1+3) of this patchset
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
When the tyrant has disposed of foreign enemies by conquest or treaty, and
there is nothing more to fear from them, then he is always stirring up
some war or other, in order that the people may require a leader. -- Plato
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prev parent reply other threads:[~2022-11-28 19:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-16 23:32 Michael Niedermayer
2022-11-16 23:32 ` [FFmpeg-devel] [PATCH 2/3] avcodec/apac: reset buffer on error Michael Niedermayer
2022-11-17 0:12 ` Paul B Mahol
2022-11-20 20:54 ` Michael Niedermayer
2022-11-16 23:32 ` [FFmpeg-devel] [PATCH 3/3] avcodec/apac: use unsigned for sample residual Michael Niedermayer
2022-11-28 19:53 ` Michael Niedermayer [this message]
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