https://bugs.freedesktop.org/show_bug.cgi?id=44151
Bug #: 44151
Summary: glXDestroyWindow after glXDestroyContext -> Invalid
read
Classification: Unclassified
Product: Mesa
Version: git
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: GLX
AssignedTo: [email protected]
ReportedBy: [email protected]
Created attachment 54822
--> https://bugs.freedesktop.org/attachment.cgi?id=54822
Valgrind log
Mesa 7fd8dc3 / r600g
On exit from any Irrlicht-using app (1.7.2, any of the GL examples will do),
valgrind points out several invalid reads in r600_fence_reference.
The code in question is:
glXDestroyContext(display, Context);
if (glxWin)
glXDestroyWindow(display, glxWin);
Which is a valid order, and also used in some of the mesa demos. Valgrind
doesn't complain on those though. While this may be something irrlicht is doing
wrong, there appears to be a check missing in Mesa that allows these invalid
reads.
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