No testcase, this was found during code review
Found-by: Matt Wolenetz <wolen...@google.com>
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavformat/oggparseogm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavformat/oggparseogm.c b/libavformat/oggparseogm.c
index 4b4edf26ca..a07453760b 100644
--- a/libavformat/oggparseogm.c
+++ b/libavformat/oggparseogm.c
@@ -176,6 +176,9 @@ ogm_packet(AVFormatContext *s, int idx)
os->pflags |= AV_PKT_FLAG_KEY;
lb = ((*p & 2) << 1) | ((*p >> 6) & 3);
+ if (os->psize < lb + 1)
+ return AVERROR_INVALIDDATA;
+
os->pstart += lb + 1;
os->psize -= lb + 1;
--
2.16.2
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