From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 4/6] avcodec/aac/aacdec_lpd: Limit get_unary()
Date: Sun, 16 Feb 2025 15:39:11 +0100
Message-ID: <20250216143911.GE4991@pb2> (raw)
In-Reply-To: <20250209022421.2346210-4-michael@niedermayer.cc>
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On Sun, Feb 09, 2025 at 03:24:19AM +0100, Michael Niedermayer wrote:
> The limit is based on later code storing 32bits
>
> Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
> Fixes: 393164866/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-4606798354513920
>
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
> libavcodec/aac/aacdec_lpd.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
will apply aac patches 1,2,4 (not 3 as that would be better done with references)
thx
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
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next prev parent reply other threads:[~2025-02-16 14:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-09 2:24 [FFmpeg-devel] [PATCH 1/6] avcodec/aac/aacdec: Clear SFO on error Michael Niedermayer
2025-02-09 2:24 ` [FFmpeg-devel] [PATCH 2/6] avcodec/aac/aacdec_usac: Simplify decode_usac_scale_factors() Michael Niedermayer
2025-02-09 2:24 ` [FFmpeg-devel] [PATCH 3/6] avcodec/aac/aacdec_usac: Fix memory deallocation of pl_data Michael Niedermayer
2025-02-10 16:34 ` Andreas Rheinhardt
2025-02-16 14:34 ` Michael Niedermayer
2025-02-09 2:24 ` [FFmpeg-devel] [PATCH 4/6] avcodec/aac/aacdec_lpd: Limit get_unary() Michael Niedermayer
2025-02-16 14:39 ` Michael Niedermayer [this message]
2025-02-09 2:24 ` [FFmpeg-devel] [PATCH 5/6] avformat/iff: Check that we have a stream in read_dst_frame() Michael Niedermayer
2025-02-09 7:16 ` Peter Ross
2025-02-09 2:24 ` [FFmpeg-devel] [PATCH 6/6] avcodec/rv60dec: Initialize slice gb with actually allocated size Michael Niedermayer
2025-02-09 7:17 ` Peter Ross
2025-02-16 14:42 ` Michael Niedermayer
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