[Mesa-dev] [Bug 66955] Substituting an older libstdc++ when running a GL program causes a segfault in the Xserver.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66955

--- Comment #9 from Phil Armstrong <phil at kantaka.co.uk> ---
Sadly I was only referring to the 'dump the old libstdc++' solution to the
immediate problem of the Xserver crashing. I don't have a patch at this point.

If the reality is 'this problem is real, but will be going away in the next
Xorg release because that rendering pipeline is going away' so it's a WONTFIX
(or rather a WILLFIXINLATERRELEASE perhaps), then maybe that's ok. I do
(personally) think crashing is always a bug however: the user shouldn't be able
to crash the Xserver like this. (Segfaults smell of potential security issues
too, even if in reality anyone with the level of access required to trigger
this one can probably punch any number of holes in the system.)

I'll take a look at the code and see what's going on, but if it turns out that
the code in question is going away anyway then maybe it should be simply ripped
out forthwith if it crashes like this?

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