Module Name: src
Committed By: martin
Date: Tue Oct 15 18:21:06 UTC 2019
Modified Files:
src/sys/kern [netbsd-9]: sys_ptrace_common.c
Log Message:
Pull up following revision(s) (requested by kamil in ticket #309):
sys/kern/sys_ptrace_common.c: revision 1.67
Avoid signed integer overflow for -lwp where lwp is INT_MIN
To generate a diff of this commit:
cvs rdiff -u -r1.58 -r1.58.2.1 src/sys/kern/sys_ptrace_common.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/sys_ptrace_common.c
diff -u src/sys/kern/sys_ptrace_common.c:1.58 src/sys/kern/sys_ptrace_common.c:1.58.2.1
--- src/sys/kern/sys_ptrace_common.c:1.58 Thu Jul 18 20:10:46 2019
+++ src/sys/kern/sys_ptrace_common.c Tue Oct 15 18:21:06 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: sys_ptrace_common.c,v 1.58 2019/07/18 20:10:46 kamil Exp $ */
+/* $NetBSD: sys_ptrace_common.c,v 1.58.2.1 2019/10/15 18:21:06 martin Exp $ */
/*-
* Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -118,7 +118,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sys_ptrace_common.c,v 1.58 2019/07/18 20:10:46 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sys_ptrace_common.c,v 1.58.2.1 2019/10/15 18:21:06 martin Exp $");
#ifdef _KERNEL_OPT
#include "opt_ptrace.h"
@@ -1205,8 +1205,12 @@ do_ptrace(struct ptrace_methods *ptm, st
signo = tmp;
tmp = 0; /* don't search for LWP */
}
- } else
+ } else if (tmp == INT_MIN) {
+ error = ESRCH;
+ break;
+ } else {
tmp = -tmp;
+ }
if (tmp > 0) {
if (req == PT_DETACH) {
