Message ID | 20201016104614.12474-2-michael@niedermayer.cc |
---|---|
State | Accepted |
Headers | show |
Series | [FFmpeg-devel,1/3] avformat/av1dec: Fix padding in obu_get_packet() | expand |
Context | Check | Description |
---|---|---|
andriy/x86_make | success | Make finished |
andriy/x86_make_fate | success | Make fate finished |
diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c index 103155e9e7..4fba6c08b0 100644 --- a/libavformat/asfdec_f.c +++ b/libavformat/asfdec_f.c @@ -607,6 +607,8 @@ static int asf_read_ext_stream_properties(AVFormatContext *s, int64_t size) ff_get_guid(pb, &g); size = avio_rl16(pb); ext_len = avio_rl32(pb); + if (ext_len < 0) + return AVERROR_INVALIDDATA; avio_skip(pb, ext_len); if (stream_num < 128 && i < FF_ARRAY_ELEMS(asf->streams[stream_num].payload)) { ASFPayload *p = &asf->streams[stream_num].payload[i];
Fixes: Infinite loop Fixes: 26376/clusterfuzz-testcase-minimized-ffmpeg_dem_PCM_U32LE_fuzzer-6050518830678016 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/asfdec_f.c | 2 ++ 1 file changed, 2 insertions(+)