audio header information might get scrambled and would not parse, yet
wsqva_read_packet would try to parse audio packets causing segfaults such as
floating point exception
Fixes bugzilla #141
---
libavformat/westwood.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/libavformat/westwood.c b/libavformat/westwood.c
index 67a00c9..23c2677 100644
--- a/libavformat/westwood.c
+++ b/libavformat/westwood.c
@@ -326,6 +326,11 @@ static int wsvqa_read_packet(AVFormatContext *s,
chunk_size = AV_RB32(&preamble[4]);
skip_byte = chunk_size & 0x01;
+ if ((chunk_type == SND2_TAG || chunk_type == SND1_TAG) &&
wsvqa->audio_channels == 0) {
+ av_log(s, AV_LOG_ERROR, "audio chunk without any audio header
information found\n");
+ return AVERROR_INVALIDDATA;
+ }
+
if ((chunk_type == SND1_TAG) || (chunk_type == SND2_TAG) ||
(chunk_type == VQFR_TAG)) {
if (av_new_packet(pkt, chunk_size))
--
1.7.5.4
_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel
