Re: [PATCH v2 02/10] userns: Add per user namespace sysctls.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: ebiederm@xxxxxxxxxxxx (Eric W. Biederman)
Date: Mon, 25 Jul 2016 19:44:50 -0500

> User namespaces have enabled unprivileged users access to a lot more
> data structures and so to catch programs that go crazy we need a lot
> more limits.  I believe some of those limits make sense per namespace.
> As it is easy in some cases to say any more than Y number of those
> per namespace is excessive.   For example a limit of 1,000,000 ipv4
> routes per network namespaces is a sanity check as there are
> currently 621,649 ipv4 prefixes advertized in bgp.

When we give a new namespace to unprivileged users, we honestly should
make the sysctl settings we give to them become "limits".  They can
further constrain the sysctl settings but may not raise them.

--
To unsubscribe from this list: send the line "unsubscribe linux-api" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux