gate GIF layers math - #1993
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HEBEI77 wants to merge 1 commit into
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gate GIF layers math#1993HEBEI77 wants to merge 1 commit into
HEBEI77 wants to merge 1 commit into
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layers had no overflow check. w and h have one. This adds it.
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Title: gate GIF layers math
layers had no overflow check. w and h have one. This adds it.
Adds mul2sizes_valid checks for layersstride, layerssizeof(int),
and layers*g.w before use in stbi__load_gif_main. Returns outofmem
on trip, same path as other OOMs.
Tested with 1/10/100/1000 frame GIFs. All load. Boundary check:
5242874096 passes, 5242884096 trips.
Fixes #1992.