From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 1/2] avcodec/g2meet: Replace fake allocation avoidance for framebuf
Date: Sat, 22 Apr 2023 23:18:59 +0200
Message-ID: <20230422211859.GZ275832@pb2> (raw)
In-Reply-To: <20230124234254.30008-1-michael@niedermayer.cc>
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On Wed, Jan 25, 2023 at 12:42:53AM +0100, Michael Niedermayer wrote:
> framebuf is only allocated when the new width/height are larger than the old
> but nothing sets the old so its always allocated.
> Use av_fast_mallocz() instead.
>
> Fixes: Timeout
> Fixes: 55094/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5116909932904448
>
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
> libavcodec/g2meet.c | 19 ++++++++++---------
> 1 file changed, 10 insertions(+), 9 deletions(-)
will apply patchset
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Awnsering whenever a program halts or runs forever is
On a turing machine, in general impossible (turings halting problem).
On any real computer, always possible as a real computer has a finite number
of states N, and will either halt in less than N cycles or never halt.
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prev parent reply other threads:[~2023-04-22 21:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-24 23:42 Michael Niedermayer
2023-01-24 23:42 ` [FFmpeg-devel] [PATCH 2/2] tools/target_dec_fuzzer: Adjust threshold for EXR Michael Niedermayer
2023-04-22 21:18 ` Michael Niedermayer [this message]
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