[FFmpeg-devel] [PATCH 3/3] avformat/flvdec: Check for EOF in amf_parse_object()

[Michael Niedermayer]

Fixes: Timeout (too long -> 1ms)
Fixes: 26108/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5653887668977664

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/flvdec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c
index d480d0bc67..e6786e8b38 100644
--- a/libavformat/flvdec.c
+++ b/libavformat/flvdec.c
@@ -493,8 +493,11 @@ static int amf_parse_object(AVFormatContext *s, AVStream *astream,
     double num_val;
     amf_date date;
 
+
     num_val  = 0;
     ioc      = s->pb;
+    if (avio_feof(ioc))
+        return AVERROR_EOF;
     amf_type = avio_r8(ioc);
 
     switch (amf_type) {
-- 
2.17.1