Messages in this thread Patch in this message | | | From | "Eric W. Biederman" <> | Date | Wed, 13 Feb 2013 09:51:04 -0800 | Subject | [PATCH review 15/85] afs: Only allow mounting afs in the intial network namespace |
| |
From: "Eric W. Biederman" <ebiederm@xmission.com>
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: "Eric W. Biederman" <ebiederm@xmission.com> --- fs/afs/super.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/fs/afs/super.c b/fs/afs/super.c index 4316500..7c31ec3 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -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(¶ms, 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(¶ms, options, &dev_name); -- 1.7.5.4
| |