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[FFmpeg-devel,11/12] voc_packet: validate sample_rate

Message ID 6b1d8f8a-d115-39a2-ba2b-9d0886dba162@googlemail.com
State Accepted
Commit 54b8fbbc5dc9b74e0a96d7730bfacc8bc1b59e85
Headers show

Commit Message

Andreas Cadhalpun Oct. 23, 2016, 4:31 p.m. UTC 
A negative sample rate doesn't make sense and triggers assertions in
av_rescale_rnd.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
---
 libavformat/voc_packet.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/libavformat/voc_packet.c b/libavformat/voc_packet.c
index 5833a79..0d56436 100644
--- a/libavformat/voc_packet.c
+++ b/libavformat/voc_packet.c
@@ -106,6 +106,11 @@  ff_voc_get_packet(AVFormatContext *s, AVPacket *pkt, AVStream *st, int max_size)
         }
     }
 
+    if (par->sample_rate <= 0) {
+        av_log(s, AV_LOG_ERROR, "Invalid sample rate %d\n", par->sample_rate);
+        return AVERROR_INVALIDDATA;
+    }
+
     if (tmp_codec >= 0) {
         tmp_codec = ff_codec_get_id(ff_voc_codec_tags, tmp_codec);
         if (par->codec_id == AV_CODEC_ID_NONE)