From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 3/6] avcodec/wavarc: Allocate AV_INPUT_BUFFER_PADDING_SIZE
Date: Thu, 21 Sep 2023 20:09:09 +0200
Message-ID: <20230921180912.10733-3-michael@niedermayer.cc> (raw)
In-Reply-To: <20230921180912.10733-1-michael@niedermayer.cc>
Fixes: overread
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-5963163952349184
Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-6048030137909248
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/wavarc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c
index 48c673fdea4..9ba95143b8a 100644
--- a/libavcodec/wavarc.c
+++ b/libavcodec/wavarc.c
@@ -111,7 +111,7 @@ static av_cold int wavarc_init(AVCodecContext *avctx)
}
s->max_framesize = s->nb_samples * 16;
- s->bitstream = av_calloc(s->max_framesize, sizeof(*s->bitstream));
+ s->bitstream = av_calloc(s->max_framesize + AV_INPUT_BUFFER_PADDING_SIZE, sizeof(*s->bitstream));
if (!s->bitstream)
return AVERROR(ENOMEM);
--
2.17.1
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next prev parent reply other threads:[~2023-09-21 18:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-21 18:09 [FFmpeg-devel] [PATCH 1/6] avcodec/osq: Check that pkt_offset does not exceed pkt size Michael Niedermayer
2023-09-21 18:09 ` [FFmpeg-devel] [PATCH 2/6] avcodec/wavarc: Fix integer overflwo in do_stereo() Michael Niedermayer
2023-10-03 14:32 ` Michael Niedermayer
2023-09-21 18:09 ` Michael Niedermayer [this message]
2023-09-21 18:09 ` [FFmpeg-devel] [PATCH 4/6] avcodec/wavarc: Check k in decode_5elp() Michael Niedermayer
2023-09-21 18:09 ` [FFmpeg-devel] [PATCH 5/6] avcodec/jpegxl_parse: Cleanup on error in read_vlc_prefix() Michael Niedermayer
2023-09-21 18:09 ` [FFmpeg-devel] [PATCH 6/6] avformat/mov: Check avif_info Michael Niedermayer
2023-09-28 10:37 ` Anton Khirnov
2023-09-29 19:35 ` Michael Niedermayer
2023-09-21 18:14 ` [FFmpeg-devel] [PATCH 1/6] avcodec/osq: Check that pkt_offset does not exceed pkt size Paul B Mahol
2023-09-22 16:47 ` Michael Niedermayer
2023-09-22 17:36 ` Paul B Mahol
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