[Mesa-dev] [Bug 90821] Segfault when calling glViewport on surfaceless EGL context without bound FBO

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90821

--- Comment #3 from Matt Turner <mattst88 at gmail.com> ---
Indeed, I can reproduce on master using your test program (thanks a lot for
that!)

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff4e1ad42 in dri2InvalidateDrawable (drawable=0x0) at
../../../../../../mesa/src/mesa/drivers/dri/common/dri_util.c:798
798        drawable->dri2.stamp++;
(gdb) bt
#0  0x00007ffff4e1ad42 in dri2InvalidateDrawable (drawable=0x0) at
../../../../../../mesa/src/mesa/drivers/dri/common/dri_util.c:798
#1  0x00007ffff4e382b5 in intel_viewport (ctx=0x7ffff7fcf040) at
../../../../../../mesa/src/mesa/drivers/dri/i965/brw_context.c:155
#2  0x00007ffff4b9f405 in _mesa_Viewport (x=0, y=0, width=0, height=0) at
../../../mesa/src/mesa/main/viewport.c:125
#3  0x00000000004014f4 in main (argc=1, argv=0x7fffffffe148) at main.cpp:180

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