kernel: make groups_sort calling a responsibility group_info allocators

[mirror_ubuntu-bionic-kernel.git] / fs / nfsd / auth.c

diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c
index 697f8ae7792d1304e3cec035fd56185eb2ee02df..f650e475d8f0d84af1bb3013b6b35ef77421cde2 100644 (file)
--- a/fs/nfsd/auth.c
+++ b/fs/nfsd/auth.c
@@ -60,6 +60,9 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
                                gi->gid[i] = exp->ex_anon_gid;
                        else
                                gi->gid[i] = rqgi->gid[i];
+
+                       /* Each thread allocates its own gi, no race */
+                       groups_sort(gi);
                }
        } else {
                gi = get_group_info(rqgi);