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[Bug 408016] Re: Xorg crashes when handed bad xrender glyph data

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Tel <lists@xxxxxxxxxxx>
Date: Sat, 22 Aug 2009 11:47:52 -0000
Reply-to: Bug 408016 <408016@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

This patch protects against "xrender_bug.c" program from above (see attached patch).
At least the desktop remains stable. I still can't run my application under "wine", but the patched X gives these errors:

X Error of failed request:  BadLength (poly request too large or internal Xlib length error)
  Major opcode of failed request:  149 (RENDER)
  Minor opcode of failed request:  20 (RenderAddGlyphs)
  Serial number of failed request:  90044
  Current serial number in output stream:  90053


Probably a step in the right direction, guess there is something wrong with wine font rendering (oh really? how shocking).


** Attachment added: "Patch against xorg-server (2:1.6.0-0ubuntu14) jaunty, checks for NULL pointer"
   http://launchpadlibrarian.net/30664626/nocrash_408016.patch

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Xorg crashes when handed bad xrender glyph data
https://bugs.launchpad.net/bugs/408016
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