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Frank Barchard 7fcaff2f76 Avoid signed int overflow in scale functions using uint32_t 
Use uint32_t for 16.16 fixed-point coordinates (uy, ux, max_y) in scale
loops across ScalePlane*, ScaleUV*, ScaleARGB*, ScalePlaneVertical*, and
C column scaling helpers. When downscaling large images (e.g.
src_height >= 26215 with dst_height == 2 or src_height == 32768),
signed 32-bit y + dy or (src_height << 16) exceeds INT_MAX. Using
uint32_t prevents undefined signed integer overflow up to src_height
32768 while staying in a single 32-bit register on 32-bit and 64-bit
targets (x86, ARM, WASM, and RISC-V RVV) with zero performance overhead.

Also check |src_width| and |src_height| <= 32768 in ARGBScale,
ARGBScaleClip, and UVScale_16, and avoid FixedDiv(32768, 1) overflow in
ScalePlane, ScalePlane_16, and ScaleSlope.

Bug: chromium:531172025
Test: libyuv_unittest --gtest_filter=*ScalePlaneOversizeHeight*:*ScalePlaneBoxMaxSrcHeight*:*ARGBScale*
Change-Id: Ica2e05d7dfe94f81c6631c587f1ff46c2ad44735
2026-10-08 00:26:24 -07:00
..
compare_common.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare_gcc.cc Compare AVX512BW and AVX2, intrinsics for Visual C and ROWWIN 2026-10-02 15:30:05 -07:00
compare_neon64.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare_neon.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare_wasm.cc [libyuv] Add WASM SIMD128 compare, rotate, scale and row functions 2026-10-06 19:05:05 -07:00
compare_win.cc Compare AVX512BW and AVX2, intrinsics for Visual C and ROWWIN 2026-10-02 15:30:05 -07:00
compare.cc [libyuv] Add WASM SIMD128 compare, rotate, scale and row functions 2026-10-06 19:05:05 -07:00
convert_argb.cc [libyuv] Add WASM SIMD128 compare, rotate, scale and row functions 2026-10-06 19:05:05 -07:00
convert_from_argb.cc [libyuv] Add WASM SIMD128 compare, rotate, scale and row functions 2026-10-06 19:05:05 -07:00
convert_from.cc [libyuv] Add WASM SIMD128 compare, rotate, scale and row functions 2026-10-06 19:05:05 -07:00
convert_jpeg.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
convert_to_argb.cc [libyuv] Add WASM SIMD128 compare, rotate, scale and row functions 2026-10-06 19:05:05 -07:00
convert_to_i420.cc clang format and bump version 2026-09-28 10:42:45 -07:00
convert.cc [libyuv] AVX512, NEON, WASM and RVV alpha copy and mirror rows 2026-10-07 12:44:53 -07:00
cpu_id.cc [libyuv] Add WASM SIMD128 and Relaxed SIMD for RAWToRGB24Row 2026-10-05 17:45:41 -07:00
mjpeg_decoder.cc [libyuv] Fix RISC-V CMake/GN/Bazel builds and C compiler driver linking 2026-09-28 10:59:30 -07:00
mjpeg_validate.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
planar_functions.cc [libyuv] AVX512, NEON, WASM and RVV alpha copy and mirror rows 2026-10-07 12:44:53 -07:00
rotate_any.cc [libyuv] Add WASM SIMD128 compare, rotate, scale and row functions 2026-10-06 19:05:05 -07:00
rotate_argb.cc [libyuv] AVX512, NEON, WASM and RVV alpha copy and mirror rows 2026-10-07 12:44:53 -07:00
rotate_common.cc Transpose 16x16 for AVX2 2026-10-01 17:31:33 -07:00
rotate_gcc.cc Rotate intrinsics for Visual C, ROWWIN and 32 bit x86 2026-10-01 20:39:30 -07:00
rotate_lsx.cc Transpose 16x16 for AVX2 2026-10-01 17:31:33 -07:00
rotate_neon64.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
rotate_neon.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
rotate_sme.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
rotate_wasm.cc [libyuv] Add WASM SIMD128 compare, rotate, scale and row functions 2026-10-06 19:05:05 -07:00
rotate_win.cc Rotate intrinsics for Visual C, ROWWIN and 32 bit x86 2026-10-01 20:39:30 -07:00
rotate.cc [libyuv] Add WASM SIMD128 compare, rotate, scale and row functions 2026-10-06 19:05:05 -07:00
row_any.cc [libyuv] AVX512, NEON, WASM and RVV alpha copy and mirror rows 2026-10-07 12:44:53 -07:00
row_common.cc clang format and bump version 2026-09-28 10:42:45 -07:00
row_gcc.cc [libyuv] AVX512, NEON, WASM and RVV alpha copy and mirror rows 2026-10-07 12:44:53 -07:00
row_lasx.cc RAWToRGB24 for NEON, x86, and LoongArch 2026-10-05 12:09:40 -07:00
row_lsx.cc RAWToRGB24 for NEON, x86, and LoongArch 2026-10-05 12:09:40 -07:00
row_neon64.cc [libyuv] AVX512, NEON, WASM and RVV alpha copy and mirror rows 2026-10-07 12:44:53 -07:00
row_neon.cc [libyuv] AVX512, NEON, WASM and RVV alpha copy and mirror rows 2026-10-07 12:44:53 -07:00
row_rvv.cc [libyuv] AVX512, NEON, WASM and RVV alpha copy and mirror rows 2026-10-07 12:44:53 -07:00
row_sme.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
row_sve.cc clang format and bump version 2026-09-28 10:42:45 -07:00
row_wasm.cc [libyuv] AVX512, NEON, WASM and RVV alpha copy and mirror rows 2026-10-07 12:44:53 -07:00
row_win.cc [libyuv] AVX512, NEON, WASM and RVV alpha copy and mirror rows 2026-10-07 12:44:53 -07:00
scale_any.cc [libyuv] Add WASM SIMD128 compare, rotate, scale and row functions 2026-10-06 19:05:05 -07:00
scale_argb.cc Avoid signed int overflow in scale functions using uint32_t 2026-10-08 00:26:24 -07:00
scale_common.cc Avoid signed int overflow in scale functions using uint32_t 2026-10-08 00:26:24 -07:00
scale_gcc.cc [libyuv] Add ScaleRowDown2Box_AVX512BW with tail masking 2026-10-05 10:56:34 -07:00
scale_lsx.cc DetilePlane and unittest for NEON 2022-01-31 20:05:55 +00:00
scale_neon64.cc Apply format with no code changes 2025-02-24 23:57:01 -08:00
scale_neon.cc Apply format with no code changes 2025-02-24 23:57:01 -08:00
scale_rgb.cc Fix Coverity Control flow issues (DEADCODE) 2026-07-01 10:39:22 -07:00
scale_rvv.cc [libyuv] Clobber "vl" in RVV inline assembly only for GCC 2026-10-06 12:19:58 -07:00
scale_sme.cc Apply clang format 2025-01-02 13:31:20 -08:00
scale_uv.cc Avoid signed int overflow in scale functions using uint32_t 2026-10-08 00:26:24 -07:00
scale_wasm.cc [libyuv] Add WASM SIMD128 compare, rotate, scale and row functions 2026-10-06 19:05:05 -07:00
scale_win.cc BGRAToI420 use BgraConstants for a direct conversion using AVX512BW 2026-06-08 12:21:47 -07:00
scale.cc Avoid signed int overflow in scale functions using uint32_t 2026-10-08 00:26:24 -07:00
test.sh Optimze ABGRToI420 for AVX2 2020-06-04 18:24:45 +00:00
video_common.cc Lint cleanup after C99 change CL 2018-01-24 19:16:03 +00:00