Under -current, there is a weird interaction with a tiling window
manager (dwm), firefox/thunderbird, and Xorg...

Whenever i open a file save window, it creates this massive window,
has a thunderturd, kills firefox/thunderbird, and spams dmesg with:
"drm_gem_object_init size too big 1075838976"

I know the tiling wms have long had weird issues like this with these
gtk apps. Alas, we've reached new lows, the kernel object size check
is triggered!

regarding drm_gem_object_init size too big, jsg says:

"That check was added in the 5.10 drm tree in 2021, for a problem
with large allocations when running the piglit OpenGL tests
on x250 with broadwell."

It seems like the fire/thunder should be curtailed instead of asking
for a gigabyte GEM object...

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