[libav-devel] [PATCH] cljr: Check if width or height are positive integers

[Shitiz Garg]

width and height might get passed as 0 and would cause floating point
exceptions in decode_frame.
Fixes bugzilla #149
---
 libavcodec/cljr.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/libavcodec/cljr.c b/libavcodec/cljr.c
index a5ee738..f40d4d1 100644
--- a/libavcodec/cljr.c
+++ b/libavcodec/cljr.c
@@ -57,6 +57,11 @@ static int decode_frame(AVCodecContext *avctx,
     if (p->data[0])
         avctx->release_buffer(avctx, p);
 
+    if (avctx->height <= 0 || avctx->width <= 0) {
+        av_log(avctx, AV_LOG_ERROR, "Invalid width or height\n");
+        return AVERROR_INVALIDDATA;
+    }
+
     if (buf_size / avctx->height < avctx->width) {
         av_log(avctx, AV_LOG_ERROR,
                "Resolution larger than buffer size. Invalid header?\n");
-- 
1.7.5.4
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