Fixes: Missing EOF check in loop
No testcase
Found-by: Xiaohei and Wangchu from Alibaba Security Team
Signed-off-by: Michael Niedermayer <[email protected]>
---
libavformat/asfdec_f.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/asfdec_f.c b/libavformat/asfdec_f.c
index f3acbae280..cc648b9a2f 100644
--- a/libavformat/asfdec_f.c
+++ b/libavformat/asfdec_f.c
@@ -1610,6 +1610,11 @@ static int asf_build_simple_index(AVFormatContext *s,
int stream_index)
int64_t pos = s->internal->data_offset + s->packet_size *
(int64_t)pktnum;
int64_t index_pts = FFMAX(av_rescale(itime, i, 10000) -
asf->hdr.preroll, 0);
+ if (avio_feof(s->pb)) {
+ ret = AVERROR_INVALIDDATA;
+ goto end;
+ }
+
if (pos != last_pos) {
av_log(s, AV_LOG_DEBUG, "pktnum:%d, pktct:%d pts:
%"PRId64"\n",
pktnum, pktct, index_pts);
--
2.14.1
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