summaryrefslogtreecommitdiff
path: root/libavcodec/adx.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/adx.c')
-rw-r--r--libavcodec/adx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/adx.c b/libavcodec/adx.c
index 63358650ed..a9cf4ffd09 100644
--- a/libavcodec/adx.c
+++ b/libavcodec/adx.c
@@ -48,7 +48,7 @@ int avpriv_adx_decode_header(AVCodecContext *avctx, const uint8_t *buf,
offset = AV_RB16(buf + 2) + 4;
/* if copyright string is within the provided data, validate it */
- if (bufsize >= offset && memcmp(buf + offset - 6, "(c)CRI", 6))
+ if (bufsize >= offset && offset >= 6 && memcmp(buf + offset - 6, "(c)CRI", 6))
return AVERROR_INVALIDDATA;
/* check for encoding=3 block_size=18, sample_size=4 */