[FFmpeg-devel] [PATCH 5/8] uavformat/rsd: check for EOF in extradata
Michael Niedermayer
michael at niedermayer.cc
Fri Oct 23 21:39:37 EEST 2020
Fixes: OOM
Fixes: 26503/clusterfuzz-testcase-minimized-ffmpeg_dem_RSD_fuzzer-6530816735444992
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavformat/rsd.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/rsd.c b/libavformat/rsd.c
index e23c8abae5..933b1dbadc 100644
--- a/libavformat/rsd.c
+++ b/libavformat/rsd.c
@@ -139,6 +139,8 @@ static int rsd_read_header(AVFormatContext *s)
return ret;
for (i = 0; i < par->channels; i++) {
+ if (avio_feof(pb))
+ return AVERROR_EOF;
avio_read(s->pb, st->codecpar->extradata + 32 * i, 32);
avio_skip(s->pb, 8);
}
--
2.17.1
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