ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Jan 20 00:00:27 2021 +0100| [9e3d09f435f83f9653056b2fecc4d03ac45f3ffd] | committer: Michael Niedermayer
avformat/asfdec_o: Check for EOF in asf_read_marker() Fixes: Timeout Fixes: 26460/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_O_fuzzer-5710884393189376 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9e3d09f435f83f9653056b2fecc4d03ac45f3ffd --- libavformat/asfdec_o.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/asfdec_o.c b/libavformat/asfdec_o.c index 6ce5a3fb43..3729adee2f 100644 --- a/libavformat/asfdec_o.c +++ b/libavformat/asfdec_o.c @@ -245,6 +245,9 @@ static int asf_read_marker(AVFormatContext *s, const GUIDParseTable *g) avio_skip(pb, 4); // flags len = avio_rl32(pb); + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; + if ((ret = avio_get_str16le(pb, len, name, sizeof(name))) < len) avio_skip(pb, len - ret); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
