Why GDM crashes while unclocking the active screensaver ?
Issue
- GDM crash when user tries to unlock the locked screen over VNC
- GDM crash when user tries to unlock the locked screen from physical console
- GDM crashes after a sequence of user switch and user log off
- GDM crashes with following message
*** Error in `/usr/sbin/gdm': double free or corruption (xxxx): 0x0000555555800030 ***
Environment
- Red Hat Enterprise Linux 7.4
- gdm-3.22.3-12.el7
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