Be extra extra careful about what we dereference.

git-svn-id: svn://busybox.net/trunk/busybox@3004 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 4 insertions, 1 deletions

diff --git a/init/reboot.c b/init/reboot.c
index 74d2cf643..35c147b34 100644
--- a/init/reboot.c
+++ b/init/reboot.c
@@ -28,7 +28,10 @@ extern int reboot_main(int argc, char **argv)
 {
 #ifdef BB_FEATURE_LINUXRC
         /* don't assume init's pid == 1 */
-        return(kill(*(find_pid_by_name("init")), SIGTERM));
+        pid_t *pid = find_pid_by_name("init");
+        if (!pid || *pid<=0)
+                error_msg_and_die("no process killed");
+        return(kill(*pid, SIGTERM));
 #else
         return(kill(1, SIGTERM));
 #endif