From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 5/6] avcodec/videodsp_template: Adjust pointers to avoid undefined pointer things
Date: Thu, 23 Feb 2023 23:23:07 +0100
Message-ID: <20230223222307.GV1949656@pb2> (raw)
In-Reply-To: <20230111235432.2135-5-michael@niedermayer.cc>
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On Thu, Jan 12, 2023 at 12:54:31AM +0100, Michael Niedermayer wrote:
> Fixes: subtraction of unsigned offset from 0xf6602770 overflowed to 0xf6638c80
> Fixes: 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THEORA_fuzzer-495074400600064
>
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
> libavcodec/videodsp_template.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
will apply
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Many things microsoft did are stupid, but not doing something just because
microsoft did it is even more stupid. If everything ms did were stupid they
would be bankrupt already.
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next prev parent reply other threads:[~2023-02-23 22:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-11 23:54 [FFmpeg-devel] [PATCH 1/6] avcodec/eatgq: : Check index increments in tgq_decode_block() Michael Niedermayer
2023-01-11 23:54 ` [FFmpeg-devel] [PATCH 2/6] avcodec/pngdec: Check deloco index more exactly Michael Niedermayer
2023-02-23 22:21 ` Michael Niedermayer
2023-01-11 23:54 ` [FFmpeg-devel] [PATCH 3/6] avcodec/pngdec: dont skip/read chunk twice Michael Niedermayer
2023-02-23 22:22 ` Michael Niedermayer
2023-01-11 23:54 ` [FFmpeg-devel] [PATCH 4/6] avcodec/sgidec: do not forget the number of components in read_uncompressed_sgi() Michael Niedermayer
2023-01-12 0:02 ` Andreas Rheinhardt
2023-01-12 14:28 ` Michael Niedermayer
2023-01-11 23:54 ` [FFmpeg-devel] [PATCH 5/6] avcodec/videodsp_template: Adjust pointers to avoid undefined pointer things Michael Niedermayer
2023-02-23 22:23 ` Michael Niedermayer [this message]
2023-01-11 23:54 ` [FFmpeg-devel] [PATCH 6/6] avcodec/tiff: do not try to read a value from a 0 value linearization table Michael Niedermayer
2023-01-15 2:50 ` [FFmpeg-devel] [PATCH 1/6] avcodec/eatgq: : Check index increments in tgq_decode_block() Peter Ross
2023-01-15 17:21 ` Michael Niedermayer
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