userns: Fix posix_acl_file_xattr_userns gid conversion

The code needs to be from_kgid(make_kgid(...)...) not
from_kuid(make_kgid(...)...). Doh!

Reported-by: Jan Kara <[email protected]>
Signed-off-by: "Eric W. Biederman" <[email protected]>

diff --git a/fs/xattr_acl.c b/fs/xattr_acl.c
index 11efd830b5f5e4c078279846f335d1560eb35487..9fbea87fdb6ef268209652101ff0fd3094424aa9 100644 (file)
--- a/fs/xattr_acl.c
+++ b/fs/xattr_acl.c
@@ -45,7 +45,7 @@ static void posix_acl_fix_xattr_userns(
                        break;
                case ACL_GROUP:
                        gid = make_kgid(from, le32_to_cpu(entry->e_id));
-                       entry->e_id = cpu_to_le32(from_kuid(to, uid));
+                       entry->e_id = cpu_to_le32(from_kgid(to, gid));
                        break;
                default:
                        break;