linux-kernel - Re: [PATCH] utsns: Restore proper namespace handling.

Open Source and information security mailing list archives

Date:	Mon, 26 Nov 2007 09:19:17 -0600
From:	"Serge E. Hallyn" <serue@...ibm.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Containers <containers@...ts.osdl.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] utsns: Restore proper namespace handling.

Quoting Eric W. Biederman (ebiederm@...ssion.com):
> 
> When CONFIG_UTS_NS was removed it seems that we also deleted
> the code for handling sysctls in the other then the initial
> uts namespace.   This patch restores that code.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>

Thanks, Eric.

Acked-by: Serge Hallyn <serue@...ibm.com>

> ---
>  kernel/utsname_sysctl.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/kernel/utsname_sysctl.c b/kernel/utsname_sysctl.c
> index c76c064..71f58c3 100644
> --- a/kernel/utsname_sysctl.c
> +++ b/kernel/utsname_sysctl.c
> @@ -18,6 +18,8 @@
>  static void *get_uts(ctl_table *table, int write)
>  {
>  	char *which = table->data;
> +	struct uts_namespace *uts_ns = current->nsproxy->uts_ns;
> +	which = (which - (char *)&init_uts_ns) + (char *)uts_ns;
> 
>  	if (!write)
>  		down_read(&uts_sem);
> -- 
> 1.5.3.rc6.17.g1911
> 
> _______________________________________________
> Containers mailing list
> Containers@...ts.linux-foundation.org
> https://lists.linux-foundation.org/mailman/listinfo/containers
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