[Bug 91065] Invalid read in intel_tiled_memcpy.c ytiled_to_linear

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91065

--- Comment #2 from Jun Wu <arcppzju+fdbug at gmail.com> ---
Created attachment 116669
  --> https://bugs.freedesktop.org/attachment.cgi?id=116669&action=edit
apitrace of ppsspp part 1 of 2

I just noticed apitrace is an existing excellent tool. I was trying to write a
simple program to repro the issue but it seems not that easy. It seems
basically glReadPixels needs a bound check somewhere.

The issue happens randomly (sometimes it won't happen after tens of minutes). I
happened to have a 100% repro in seconds save state. However I have difficulty
making the trace file < 3M. I am uploading 2 files.

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