util_run_program(): fix possible buffer overflow #2

[elogind.git] / udev / udevd.c

diff --git a/udev/udevd.c b/udev/udevd.c
index 54064cbfcf58de88aa7232805d3ef92aaf800e3f..2eb914a3f335f61952b355328ef9c8fae707b559 100644 (file)
--- a/udev/udevd.c
+++ b/udev/udevd.c
@@ -79,6 +79,7 @@ static bool stop_exec_queue;
 static bool reload_config;
 static int max_childs;
 static int childs;
+static sigset_t orig_sigmask;
 static struct udev_list_node event_list;
 static struct udev_list_node worker_list;
 static bool udev_exit;
@@ -292,7 +293,8 @@ static void worker_new(struct event *event)
 
                        /* execute RUN= */
                        if (err == 0 && !udev_event->ignore_device && udev_get_run(udev_event->udev))
-                               failed = udev_event_execute_run(udev_event);
+                               failed = udev_event_execute_run(udev_event,
+                                                               &orig_sigmask);
 
                        /* reset alarm */
                        alarm(0);
@@ -926,7 +928,7 @@ int main(int argc, char *argv[])
 
        /* block and listen to all signals on signalfd */
        sigfillset(&mask);
-       sigprocmask(SIG_SETMASK, &mask, NULL);
+       sigprocmask(SIG_SETMASK, &mask, &orig_sigmask);
        pfd[FD_SIGNAL].fd = signalfd(-1, &mask, 0);
        if (pfd[FD_SIGNAL].fd < 0) {
                fprintf(stderr, "error getting signalfd\n");