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-rw-r--r--libavcodec/cri.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/libavcodec/cri.c b/libavcodec/cri.c
index 5234f49965..41be29eabb 100644
--- a/libavcodec/cri.c
+++ b/libavcodec/cri.c
@@ -80,10 +80,13 @@ static void unpack_10bit(GetByteContext *gb, uint16_t *dst, int shift,
int pos = 0;
while (count > 0) {
- uint32_t a0 = bytestream2_get_le32(gb);
- uint32_t a1 = bytestream2_get_le32(gb);
- uint32_t a2 = bytestream2_get_le32(gb);
- uint32_t a3 = bytestream2_get_le32(gb);
+ uint32_t a0, a1,a2,a3;
+ if (bytestream2_get_bytes_left(gb) < 4)
+ break;
+ a0 = bytestream2_get_le32(gb);
+ a1 = bytestream2_get_le32(gb);
+ a2 = bytestream2_get_le32(gb);
+ a3 = bytestream2_get_le32(gb);
dst[pos] = (((a0 >> 1) & 0xE00) | (a0 & 0x1FF)) << shift;
pos++;
if (pos >= w) {