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Fix overflows in avifRGBImageAllocatePixels() #2354

Merged
merged 1 commit into from
Aug 1, 2024
Merged

Fix overflows in avifRGBImageAllocatePixels() #2354

merged 1 commit into from
Aug 1, 2024

Commits on Aug 1, 2024

  1. Fix overflows in avifRGBImageAllocatePixels() 

    Calculate rowBytes in uint32_t. Only the allocation size needs to be
size_t.

Also make sure it is safe to cast various rowBytes fields to ptrdiff_t.
We need to do this when subtracting rowBytes from a pointer to go back
one row.

Part of the fix to AOMediaCodec#2271.
    @wantehchang
    wantehchang committed Aug 1, 2024
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