From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] avcodec/speexdec: Consider mode in frame size check
Date: Sat, 1 Jan 2022 18:18:36 +0100
Message-ID: <20220101171836.GK2829255@pb2> (raw)
In-Reply-To: <20211226133723.575-1-michael@niedermayer.cc>
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On Sun, Dec 26, 2021 at 02:37:23PM +0100, Michael Niedermayer wrote:
> No speex samples with non default frame sizes are known (to me)
> the official speexenc seems to only generate the 3 default ones.
> Thus it may be that the fuzzer samples where the first non default
> values encountered by the decoder.
> Possibly the "<" should be "!="
>
> If someone has a valid speex file with non default frame sizes that
> would be interesting!
>
> Fixes: out of array access
> Fixes: 42821/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SPEEX_fuzzer-5640695772217344
>
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
> libavcodec/speexdec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
will apply
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
If you fake or manipulate statistics in a paper in physics you will never
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prev parent reply other threads:[~2022-01-01 17:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-26 13:37 Michael Niedermayer
2022-01-01 17:18 ` Michael Niedermayer [this message]
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