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authorMichael Niedermayer <michael@niedermayer.cc>2016-11-01 19:24:49 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2016-11-17 12:47:40 +0100
commit7521d5b8daae7969887f694caef5cd025f35b6ac (patch)
treee0be5da2f764d79e4a663e3d74b8b7dd5513dd8c
parent487accbf19be3879749ce5010abffb0c9894d5d6 (diff)
downloadffmpeg-7521d5b8daae7969887f694caef5cd025f35b6ac.tar.gz
avcodec/sunrast: Fix input buffer pointer check
Fixes: out of array read Fixes: poc.dat Found-by: Bingchang, Liu @VARAS of IIE Tested-by: bc L <l.bing.chang.bc@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 37138338ff602803d174b13fecd363a083bc2f9a) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/sunrast.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/sunrast.c b/libavcodec/sunrast.c
index 25e11f6cd2..0af5626e35 100644
--- a/libavcodec/sunrast.c
+++ b/libavcodec/sunrast.c
@@ -168,7 +168,7 @@ static int sunrast_decode_frame(AVCodecContext *avctx, void *data,
}
} else {
for (y = 0; y < h; y++) {
- if (buf_end - buf < len)
+ if (buf_end - buf < alen)
break;
memcpy(ptr, buf, len);
ptr += stride;