[FFmpeg-cvslog] avcodec/wavarc: Allocate AV_INPUT_BUFFER_PADDING_SIZE
Michael Niedermayer
git at videolan.org
Tue Oct 3 21:16:07 EEST 2023
ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Thu Sep 21 00:29:24 2023 +0200| [dbcf285abdc7921b065491862be048bdd0c9289d] | committer: Michael Niedermayer
avcodec/wavarc: Allocate AV_INPUT_BUFFER_PADDING_SIZE
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 at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=dbcf285abdc7921b065491862be048bdd0c9289d
---
libavcodec/wavarc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c
index 6941ba9ab5..d12b826852 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);
More information about the ffmpeg-cvslog
mailing list