The default file descriptor limit (ulimit -n 1024) is too low

Kees Cook kees at ubuntu.com
Fri Nov 5 21:21:20 GMT 2010


On Fri, Nov 05, 2010 at 01:46:23PM -0700, Steve Langasek wrote:
> We should also fix it so pam_limits is able to grab the kernel default
> limits from somewhere, instead of hard-coding these at compile time.  I
> think you suggested reading /proc/1/limits for this, though it's less than
> ideal to be parsing this file to get that info.

Well, the text there is unlikely to change, but it would be nice to have a
more stable result. On the other hand, reading from /proc/1/limits means
that per-container PAM would get the "right" limits, based on that
container's init process.

-- 
Kees Cook
Ubuntu Security Team



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