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Fix size_t overflow in WebPRescalerInit

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we need to surface potential error up, so lot of signature changes.

Change-Id: I7c11a46c4542564d06417203cd1158754e30a9e4
This commit is contained in:
Skal
2021-06-25 15:23:16 +02:00
committed by James Zern
parent b60d460318
commit 277d30749f
5 changed files with 92 additions and 67 deletions
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7
src/dec/vp8l_dec.c
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@ -559,8 +559,11 @@ static int AllocateAndInitRescaler(VP8LDecoder* const dec, VP8Io* const io) {
memory += work_size * sizeof(*work);
scaled_data = (uint32_t*)memory;
WebPRescalerInit(dec->rescaler, in_width, in_height, (uint8_t*)scaled_data,
out_width, out_height, 0, num_channels, work);
if (!WebPRescalerInit(dec->rescaler, in_width, in_height,
(uint8_t*)scaled_data, out_width, out_height,
0, num_channels, work)) {
return 0;
}
return 1;
}
#endif // WEBP_REDUCE_SIZE