avformat/flvdec: Check for EOF in amf_skip_tag()

Fixes: Timeout
Fixes: 29070/clusterfuzz-testcase-minimized-ffmpeg_dem_KUX_fuzzer-5650106766458880

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-01-12 21:54:31 +01:00
parent 06e5c79194
commit 9725d07a17

View File

@ -854,6 +854,9 @@ static int amf_skip_tag(AVIOContext *pb, AMFDataType type, int depth)
if (depth > MAX_DEPTH)
return AVERROR_PATCHWELCOME;
if (avio_feof(pb))
return AVERROR_EOF;
switch (type) {
case AMF_DATA_TYPE_NUMBER:
avio_skip(pb, 8);