From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 6/6] avcodec/apedec: Use NABS to avoid undefined negation
Date: Tue, 2 Apr 2024 23:25:00 +0200
Message-ID: <20240402212500.GQ6420@pb2> (raw)
In-Reply-To: <20240401205607.9093-6-michael@niedermayer.cc>
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On Mon, Apr 01, 2024 at 10:56:07PM +0200, Michael Niedermayer wrote:
> Fixes: negation of -2147483648 cannot be represented in type 'int32_t' (aka 'int'); cast to an unsigned type to negate this value to itself
> Fixes: 67738/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5444313212321792
>
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
> libavcodec/apedec.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
will apply
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Asymptotically faster algorithms should always be preferred if you have
asymptotical amounts of data
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next prev parent reply other threads:[~2024-04-02 21:25 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-01 20:56 [FFmpeg-devel] [PATCH 1/6] avformat/isom: Uninit layout in ff_mp4_read_dec_config_descr() Michael Niedermayer
2024-04-01 20:56 ` [FFmpeg-devel] [PATCH 2/6] avformat/mov: Check that tile_item_list is initialized in read_image_iovl() Michael Niedermayer
2024-04-01 21:54 ` James Almer
2024-04-01 23:49 ` Michael Niedermayer
2024-04-02 12:07 ` James Almer
2024-04-01 20:56 ` [FFmpeg-devel] [PATCH 3/6] tools/target_dec_fuzzer: Adjust threshold for RV30 Michael Niedermayer
2024-07-16 13:12 ` Michael Niedermayer
2024-04-01 20:56 ` [FFmpeg-devel] [PATCH 4/6] avformat/demux_utils: Avoid leaking the packet in ff_add_attached_pic() Michael Niedermayer
2024-04-01 21:35 ` Andreas Rheinhardt
2024-04-01 23:57 ` Michael Niedermayer
2024-04-01 20:56 ` [FFmpeg-devel] [PATCH 5/6] avcodec/hevc_ps: --typo Michael Niedermayer
2024-04-02 12:12 ` James Almer
2024-04-02 21:23 ` Michael Niedermayer
2024-04-01 20:56 ` [FFmpeg-devel] [PATCH 6/6] avcodec/apedec: Use NABS to avoid undefined negation Michael Niedermayer
2024-04-02 21:25 ` Michael Niedermayer [this message]
2024-04-01 21:25 ` [FFmpeg-devel] [PATCH 1/6] avformat/isom: Uninit layout in ff_mp4_read_dec_config_descr() James Almer
2024-04-01 21:29 ` James Almer
2024-04-01 21:33 ` James Almer
2024-04-01 23:40 ` Michael Niedermayer
2024-04-02 0:11 ` James Almer
2024-04-02 22:22 ` Marton Balint
2024-04-02 23:34 ` James Almer
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