CVS commit: [netbsd-8] src/sys/kern

[Martin Husemann]

Module Name:    src
Committed By:   martin
Date:           Fri Nov 30 10:32:22 UTC 2018

Modified Files:
        src/sys/kern [netbsd-8]: kern_exit.c

Log Message:
Pull up following revision(s) (requested by maxv in ticket #1114):

        sys/kern/kern_exit.c: revision 1.273

Fix info leak. There is one branch where 'status' is not initialized at
all.

        + Possible info leak: [len=4, leaked=4]
        | #0 0xffffffff80baf397 in kleak_copyout
        | #1 0xffffffff80b56d0c in sys_wait6
        | #2 0xffffffff80259c42 in syscall


To generate a diff of this commit:
cvs rdiff -u -r1.268.8.1 -r1.268.8.2 src/sys/kern/kern_exit.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


Modified files:

Index: src/sys/kern/kern_exit.c
diff -u src/sys/kern/kern_exit.c:1.268.8.1 src/sys/kern/kern_exit.c:1.268.8.2
--- src/sys/kern/kern_exit.c:1.268.8.1	Thu Apr 12 13:42:48 2018
+++ src/sys/kern/kern_exit.c	Fri Nov 30 10:32:22 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: kern_exit.c,v 1.268.8.1 2018/04/12 13:42:48 martin Exp $	*/
+/*	$NetBSD: kern_exit.c,v 1.268.8.2 2018/11/30 10:32:22 martin Exp $	*/
 
 /*-
  * Copyright (c) 1998, 1999, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -67,7 +67,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_exit.c,v 1.268.8.1 2018/04/12 13:42:48 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_exit.c,v 1.268.8.2 2018/11/30 10:32:22 martin Exp $");
 
 #include "opt_ktrace.h"
 #include "opt_dtrace.h"
@@ -661,6 +661,7 @@ do_sys_waitid(idtype_t idtype, id_t id, 
 	if (child == NULL) {
 		mutex_exit(proc_lock);
 		*pid = 0;
+		*status = 0;
 		return error;
 	}
 	*pid = child->p_pid;