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Commit f74f70f8 authored by Eric W. Biederman's avatar Eric W. Biederman
Browse files

afs: Only allow mounting afs in the intial network namespace 



rxrpc sockets only work in the initial network namespace so it isn't
possible to support afs in any other network namespace.

Cc: David Howells <dhowells@redhat.com>
Signed-off-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
parent 66fdb93f

fs/afs/super.c

+6 −0
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ 
#include <linux/parser.h>

#include <linux/statfs.h>

#include <linux/sched.h>

#include <linux/nsproxy.h>

#include <net/net_namespace.h>

#include "internal.h"



#define AFS_FS_MAGIC 0x6B414653 /* 'kAFS' */
@@ -363,6 +365,10 @@ static struct dentry *afs_mount(struct file_system_type *fs_type, 


	memset(&params, 0, sizeof(params));



	ret = -EINVAL;

	if (current->nsproxy->net_ns != &init_net)

		goto error;



	/* parse the options and device name */

	if (options) {

		ret = afs_parse_options(&params, options, &dev_name);