Module: libav
Branch: master
Commit: d07aa3f02b73ab1371c13ac7898338380ca0932b

Author:    Martin Storsjö <[email protected]>
Committer: Martin Storsjö <[email protected]>
Date:      Sat Sep 28 23:32:39 2013 +0300

riffdec: Add sanity checks for the sample rate

This avoids a division by zero for G726.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: [email protected]
Signed-off-by: Martin Storsjö <[email protected]>

---

 libavformat/riffdec.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavformat/riffdec.c b/libavformat/riffdec.c
index 447a686..74f93ac 100644
--- a/libavformat/riffdec.c
+++ b/libavformat/riffdec.c
@@ -120,6 +120,11 @@ int ff_get_wav_header(AVIOContext *pb, AVCodecContext 
*codec, int size)
         if (size > 0)
             avio_skip(pb, size);
     }
+    if (codec->sample_rate <= 0) {
+        av_log(NULL, AV_LOG_ERROR,
+               "Invalid sample rate: %d\n", codec->sample_rate);
+        return AVERROR_INVALIDDATA;
+    }
     if (codec->codec_id == AV_CODEC_ID_AAC_LATM) {
         /* Channels and sample_rate values are those prior to applying SBR
          * and/or PS. */

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