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Fix array sizes to prevent ASAN errors (large block interpolation).

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Ari Lemmetti 2021-11-22 17:44:00 +02:00
parent 50ca269a13
commit 9e40f435cb
1 changed files with 9 additions and 9 deletions
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18
src/strategies/strategies-ipol.h
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@ -43,15 +43,15 @@
#include "kvazaar.h" #include "kvazaar.h"
#include "search_inter.h" #include "search_inter.h"
// AVX2 implementation of horizontal filter reads and // AVX2 implementation of horizontal filter reads and
// writes two rows for luma and four for chroma at a time. // writes two rows for luma and four for chroma at a time.
// Extra vertical padding is added to prevent segfaults. // Extra vertical padding is added to prevent segfaults.
// Horizontal padding is not needed even if one extra byte // Needs one extra byte for input buffer to prevent ASAN
// is read because kvz_image_alloc adds enough padding. // error because AVX2 reads one extra byte in the end.
#define KVZ_IPOL_MAX_INPUT_SIZE_LUMA_SIMD ((KVZ_EXT_BLOCK_W_LUMA + 1) * KVZ_EXT_BLOCK_W_LUMA) #define KVZ_IPOL_MAX_INPUT_SIZE_LUMA_SIMD ((KVZ_EXT_BLOCK_W_LUMA + 1) * KVZ_EXT_BLOCK_W_LUMA + 1)
#define KVZ_IPOL_MAX_INPUT_SIZE_CHROMA_SIMD ((KVZ_EXT_BLOCK_W_CHROMA + 3) * KVZ_EXT_BLOCK_W_CHROMA) #define KVZ_IPOL_MAX_INPUT_SIZE_CHROMA_SIMD ((KVZ_EXT_BLOCK_W_CHROMA + 3) * KVZ_EXT_BLOCK_W_CHROMA + 1)
#define KVZ_IPOL_MAX_IM_SIZE_LUMA_SIMD ((KVZ_EXT_BLOCK_W_LUMA + 1) * LCU_WIDTH) #define KVZ_IPOL_MAX_IM_SIZE_LUMA_SIMD ((KVZ_EXT_BLOCK_W_LUMA + 1) * LCU_WIDTH)
#define KVZ_IPOL_MAX_IM_SIZE_CHROMA_SIMD ((KVZ_EXT_BLOCK_W_CHROMA + 3) * LCU_WIDTH_C) #define KVZ_IPOL_MAX_IM_SIZE_CHROMA_SIMD ((KVZ_EXT_BLOCK_W_CHROMA + 3) * LCU_WIDTH_C)
// On top of basic interpolation, FME needs one extra // On top of basic interpolation, FME needs one extra
// column and row for ME (left and up). Adding the // column and row for ME (left and up). Adding the