Fixes: out of array access
Fixes: exr/deneme
Found-by: Burak Çarıkçı <burakcari...@crypttech.com>
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/exr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/exr.c b/libavcodec/exr.c
index 9377a89169..4648ed7d62 100644
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -1059,11 +1059,11 @@ static int dwa_uncompress(EXRContext *s, const uint8_t
*src, int compressed_size
bytestream2_skip(&gb, ac_size);
}
- if (dc_size > 0) {
+ {
unsigned long dest_len = dc_count * 2LL;
GetByteContext agb = gb;
- if (dc_count > (6LL * td->xsize * td->ysize + 63) / 64)
+ if (dc_count != dc_w * dc_h * 3)
return AVERROR_INVALIDDATA;
av_fast_padded_malloc(&td->dc_data, &td->dc_size, FFALIGN(dest_len,
64) * 2);
--
2.17.1
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