[Nouveau] [Bug 91972] New: xorg/nouveau crashes when running wine's unit tests under valgrind: EXA: malloc failed for size -262140 bytes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91972

            Bug ID: 91972
           Summary: xorg/nouveau crashes when running wine's unit tests
                    under valgrind: EXA: malloc failed for size -262140
                    bytes
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: austinenglish at gmail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 118205
  --> https://bugs.freedesktop.org/attachment.cgi?id=118205&action=edit
xorg.log

Originally reported here:
https://bugzilla.redhat.com/show_bug.cgi?id=1248314

bug only occurred sometimes, but running the tests under valgrind triggers this
bug 100% of the time for me.

Running wine's dlls/user32/tests/win.c tests under valgrind causes the X client
to fail, killing the user session.

[austin at localhost ~]$ dnf list installed | grep xorg | grep -e nouveau -e
server
xorg-x11-drv-nouveau.x86_64            1:1.0.11-2.fc22                  
@System
xorg-x11-server-Xorg.x86_64            1.17.2-2.fc22                    
@System
xorg-x11-server-Xwayland.x86_64        1.17.2-2.fc22                    
@System
xorg-x11-server-common.x86_64          1.17.2-2.fc22                    
@System
xorg-x11-server-utils.x86_64           7.7-15.fc22                      
@System

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