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Diffstat (limited to 'net/sunrpc/auth_gss/svcauth_gss.c')
-rw-r--r--net/sunrpc/auth_gss/svcauth_gss.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 1600cfb1618c..28b62dbb6d1e 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -41,6 +41,7 @@
#include <linux/types.h>
#include <linux/module.h>
#include <linux/pagemap.h>
+#include <linux/user_namespace.h>
#include <linux/sunrpc/auth_gss.h>
#include <linux/sunrpc/gss_err.h>
@@ -470,9 +471,13 @@ static int rsc_parse(struct cache_detail *cd,
status = -EINVAL;
for (i=0; i<N; i++) {
gid_t gid;
+ kgid_t kgid;
if (get_int(&mesg, &gid))
goto out;
- GROUP_AT(rsci.cred.cr_group_info, i) = gid;
+ kgid = make_kgid(&init_user_ns, gid);
+ if (!gid_valid(kgid))
+ goto out;
+ GROUP_AT(rsci.cred.cr_group_info, i) = kgid;
}
/* mech name */