Fixes OOM
Fixes: 2674/clusterfuzz-testcase-minimized-4999700518273024
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>
---
libavcodec/diracdec.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c
index c031b40b5e..71d0ff41b2 100644
--- a/libavcodec/diracdec.c
+++ b/libavcodec/diracdec.c
@@ -2090,7 +2090,10 @@ static int dirac_decode_data_unit(AVCodecContext *avctx,
const uint8_t *buf, int
return ret;
}
- ret = ff_set_dimensions(avctx, dsh->width, dsh->height);
+ if (CALC_PADDING((int64_t)dsh->width, MAX_DWT_LEVELS) *
CALC_PADDING((int64_t)dsh->height, MAX_DWT_LEVELS) > avctx->max_pixels)
+ ret = AVERROR(ERANGE);
+ if (ret >= 0)
+ ret = ff_set_dimensions(avctx, dsh->width, dsh->height);
if (ret < 0) {
av_freep(&dsh);
return ret;
--
2.13.0
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