X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fsoxdec.c;h=35e11feec6da60bb55fae968e68f8d2e1f48a38b;hb=a247ac640df3da573cd661065bf53f37863e2b46;hp=12a94c8ffab9603f6708a281b233fda37f4a037e;hpb=8822e2b9543bb02fb2889dff627b6db023053253;p=ffmpeg

diff --git a/libavformat/soxdec.c b/libavformat/soxdec.c
index 12a94c8ffab..35e11feec6d 100644
--- a/libavformat/soxdec.c
+++ b/libavformat/soxdec.c
@@ -37,7 +37,7 @@
 #include "pcm.h"
 #include "sox.h"
 
-static int sox_probe(AVProbeData *p)
+static int sox_probe(const AVProbeData *p)
 {
     if (AV_RL32(p->buf) == SOX_TAG || AV_RB32(p->buf) == SOX_TAG)
         return AVPROBE_SCORE_MAX;
@@ -90,7 +90,7 @@ static int sox_read_header(AVFormatContext *s)
                sample_rate_frac);
 
     if ((header_size + 4) & 7 || header_size < SOX_FIXED_HDR + comment_size
-        || st->codecpar->channels > 65535) /* Reserve top 16 bits */ {
+        || st->codecpar->channels > 65535 || st->codecpar->channels <= 0) /* Reserve top 16 bits */ {
         av_log(s, AV_LOG_ERROR, "invalid header\n");
         return AVERROR_INVALIDDATA;
     }