Module Name: src
Committed By: rin
Date: Mon Feb 20 16:26:30 UTC 2017
Modified Files:
src/sys/compat/linux/common: linux_signal.c
Log Message:
CID 980928: fix NULL pointer dereferece
To generate a diff of this commit:
cvs rdiff -u -r1.77 -r1.78 src/sys/compat/linux/common/linux_signal.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/compat/linux/common/linux_signal.c
diff -u src/sys/compat/linux/common/linux_signal.c:1.77 src/sys/compat/linux/common/linux_signal.c:1.78
--- src/sys/compat/linux/common/linux_signal.c:1.77 Sat Nov 14 13:29:35 2015
+++ src/sys/compat/linux/common/linux_signal.c Mon Feb 20 16:26:30 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: linux_signal.c,v 1.77 2015/11/14 13:29:35 christos Exp $ */
+/* $NetBSD: linux_signal.c,v 1.78 2017/02/20 16:26:30 rin Exp $ */
/*-
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@@ -48,7 +48,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_signal.c,v 1.77 2015/11/14 13:29:35 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_signal.c,v 1.78 2017/02/20 16:26:30 rin Exp $");
#define COMPAT_LINUX 1
@@ -355,7 +355,8 @@ linux_sys_rt_sigaction(struct lwp *l, co
obsa.sa_flags = 0;
} else {
#ifdef LINUX_SA_RESTORER
- if ((nlsa.linux_sa_flags & LINUX_SA_RESTORER) &&
+ if (SCARG(uap, nsa) &&
+ (nlsa.linux_sa_flags & LINUX_SA_RESTORER) &&
(tramp = nlsa.linux_sa_restorer) != NULL)
vers = 2;
#endif
