pid1: pass PAM_DATA_SILENT to pam_end() in child

Fixes: #22318
2022-02-01 12:37:51 +01:00
parent bab29f2ab7
commit 7feb2b5737
1 changed files with 4 additions and 2 deletions
@@ -1343,7 +1343,9 @@ static int setup_pam(
                ret = 0;

        child_finish:
-                pam_end(handle, pam_code | flags);
+                /* NB: pam_end() when called in child processes should set PAM_DATA_SILENT to let the module
+                 * know about this. See pam_end(3) */
+                (void) pam_end(handle, pam_code | flags | PAM_DATA_SILENT);
                _exit(ret);
        }

@@ -1378,7 +1380,7 @@ fail:
                if (close_session)
                        pam_code = pam_close_session(handle, flags);

-                pam_end(handle, pam_code | flags);
+                (void) pam_end(handle, pam_code | flags);
        }

        strv_free(e);