Fixes: 693/clusterfuzz-testcase-6109776066904064
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/mjpegdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 69469c5229..2b5adfc61b 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -1157,7 +1157,7 @@ static int ljpeg_decode_yuv_scan(MJpegDecodeContext *s,
int predictor,
if (s->interlaced && s->bottom_field)
ptr16 += linesize >> 1;
pred &= mask;
- *ptr16= pred + (dc << point_transform);
+ *ptr16= pred + ((unsigned)dc << point_transform);
}
if (++x == h) {
x = 0;
--
2.11.0
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