*** This bug is a security vulnerability ***
Public security bug reported:
AFAIK, RLIMIT_NPROC is determined by the kernel based on available
physical memory. In my 512M VMs, I see the following results of "ulimit
-u":
dapper: unlimited
hardy, intrepid: 4095
jaunty, karmic: unlimited
The intention is to have this set to in an attempt to reasonably
mitigate fork-bombs without getting in the way of intentionally big
process collections. Jaunty and Karmic appear to have regressed. I am
assuming this is a PAM bug, but it may be a kernel issue. Tracking
RLIMIT setting has always eluded me. :)
** Affects: pam (Ubuntu)
Importance: Low
Status: Confirmed
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process limit unlimited (regression)
https://bugs.launchpad.net/bugs/391761
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