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https://bugzilla.novell.com/show_bug.cgi?id=757783

https://bugzilla.novell.com/show_bug.cgi?id=757783#c32


--- Comment #32 from Mike Galbraith <mgalbraith@xxxxxxxx> 2012-04-30 03:19:32 
UTC ---
Created an attachment (id=488769)
 --> (http://bugzilla.novell.com/attachment.cgi?id=488769)
leak fix

After finally convincing ftrace to capture the _whole_ event, turns out one
leak is simple, SIGCHLD received during fork() triggers fork() failure - proc
was mounted but not unmounted on cleanup.

There's at least one more (not so simple) leak though.  The final put_pid() in
softirq context occasionally just goes missing for some as yet unknown reason. 
Seems there are some nasty issues open in pid namespace as well, Oleg sent me
this link:

Heh. Please look at http://marc.info/?l=linux-kernel&m=127687751003902
and the whole thread, there are a lot more problems here.

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