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path: root/net/sunrpc/svcauth_unix.c
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Diffstat (limited to 'net/sunrpc/svcauth_unix.c')
-rw-r--r--net/sunrpc/svcauth_unix.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index bdea0a1b6d1..a1852e19ed0 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -821,8 +821,10 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp)
argv->iov_base = (void*)((__be32*)argv->iov_base + slen); /* skip machname */
argv->iov_len -= slen*4;
- cred->cr_uid = svc_getnl(argv); /* uid */
- cred->cr_gid = svc_getnl(argv); /* gid */
+ cred->cr_uid = make_kuid(&init_user_ns, svc_getnl(argv)); /* uid */
+ cred->cr_gid = make_kgid(&init_user_ns, svc_getnl(argv)); /* gid */
+ if (!uid_valid(cred->cr_uid) || !gid_valid(cred->cr_gid))
+ goto badcred;
slen = svc_getnl(argv); /* gids length */
if (slen > 16 || (len -= (slen + 2)*4) < 0)
goto badcred;