Re: Stable backport request for fixing the issue of not being able to create a new pid_ns

2020-10-09 Thread Greg Kroah-Hartman
On Thu, Oct 08, 2020 at 09:00:21PM +0800, Wen Yang wrote: > After the process exits, the following three dentries still refer to the pid: > /proc/ > /proc//ns > /proc//ns/pid > > https://bugzilla.kernel.org/show_bug.cgi?id=208613 > > According to the commit f333c700c610 ("pidns: Add a limit on th

Stable backport request for fixing the issue of not being able to create a new pid_ns

2020-10-08 Thread Wen Yang
After the process exits, the following three dentries still refer to the pid: /proc/ /proc//ns /proc//ns/pid https://bugzilla.kernel.org/show_bug.cgi?id=208613 According to the commit f333c700c610 ("pidns: Add a limit on the number of pid namespaces"), if the pid cannot be released, it may result