[Bug 48927] Heap buffer underflow in TiffFrameDecode_ReadTile when decoding 1x1 4bpp RGBA image

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=48927

--- Comment #7 from Dmitry Timoshkov <dmitry(a)baikal.ru> ---
Created attachment 66946
  --> https://bugs.winehq.org/attachment.cgi?id=66946
WIP patch

Just in case I'm attaching a patch against staged
0012-windowscodecs-Add-support-for-4bpp-RGBA-format-to-TI.patch

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