You have been subscribed to a public bug:
In Ubuntu 16.04 if you run
perl -e 'sub x { x() }; x()'
(this commands does a deep recursion, eats all memory)
under non-root user
whole system becomes unresponsive, mouse, keyboard does not work. Screen
does not update when you plug/unplug charger, for example. The only way
to quit is to press power button and shut down machine.
Expected bahaviour: Ctrl-C, Ctrl-Alt-Del, Ctrl-Alt-F1, mouse, at least
something should work.
Repsoduced on HP Pavilion 16, SSD with encryption, encrypted Swap.
Reproduced by at least one another person with Ubuntu 16.04 with SSD.
** Affects: perl (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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System becomes unresponsive when running code with deep-recursion under
unprivileged user
https://bugs.launchpad.net/bugs/1631302
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