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Explicitly initialize ucontext before calling getmcontext.

This commit is contained in:
joerg 2011-02-03 21:45:31 +00:00
parent a9bb5cb76e
commit 13011308e4
4 changed files with 16 additions and 8 deletions
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6
sys/compat/irix/irix_signal.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: irix_signal.c,v 1.55 2011/01/14 02:06:33 rmind Exp $ */
/* $NetBSD: irix_signal.c,v 1.56 2011/02/03 21:45:31 joerg Exp $ */
/*-
* Copyright (c) 1994, 2001-2002 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: irix_signal.c,v 1.55 2011/01/14 02:06:33 rmind Exp $");
__KERNEL_RCSID(0, "$NetBSD: irix_signal.c,v 1.56 2011/02/03 21:45:31 joerg Exp $");
#include <sys/types.h>
#include <sys/signal.h>
@ -707,6 +707,8 @@ irix_sys_getcontext(struct lwp *l, const struct irix_sys_getcontext_args *uap, r
f = (struct frame *)l->l_md.md_regs;
memset(&kucp, 0, sizeof(kucp));
kucp.iuc_flags = IRIX_UC_ALL;
kucp.iuc_link = NULL; /* XXX */

6
sys/compat/netbsd32/netbsd32_signal.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: netbsd32_signal.c,v 1.34 2010/04/23 15:19:20 rmind Exp $ */
/* $NetBSD: netbsd32_signal.c,v 1.35 2011/02/03 21:45:31 joerg Exp $ */
/*
* Copyright (c) 1998, 2001 Matthew R. Green
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: netbsd32_signal.c,v 1.34 2010/04/23 15:19:20 rmind Exp $");
__KERNEL_RCSID(0, "$NetBSD: netbsd32_signal.c,v 1.35 2011/02/03 21:45:31 joerg Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -361,6 +361,8 @@ netbsd32_getcontext(struct lwp *l, const struct netbsd32_getcontext_args *uap, r
struct proc *p = l->l_proc;
ucontext32_t uc;
memset(&uc, 0, sizeof(uc));
mutex_enter(p->p_lock);
getucontext32(l, &uc);
mutex_exit(p->p_lock);

6
sys/compat/svr4/svr4_signal.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: svr4_signal.c,v 1.64 2008/04/28 20:23:45 martin Exp $ */
/* $NetBSD: svr4_signal.c,v 1.65 2011/02/03 21:45:31 joerg Exp $ */
/*-
* Copyright (c) 1994, 1998 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: svr4_signal.c,v 1.64 2008/04/28 20:23:45 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: svr4_signal.c,v 1.65 2011/02/03 21:45:31 joerg Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -462,6 +462,8 @@ svr4_sys_context(struct lwp *l, const struct svr4_sys_context_args *uap, registe
svr4_ucontext_t uc;
*retval = 0;
memset(&uc, 0, sizeof(uc));
switch (SCARG(uap, func)) {
case SVR4_GETCONTEXT:
DPRINTF(("getcontext(%p)\n", SCARG(uap, uc)));

6
sys/kern/sys_sig.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sys_sig.c,v 1.30 2011/01/10 04:39:18 christos Exp $ */
/* $NetBSD: sys_sig.c,v 1.31 2011/02/03 21:45:32 joerg Exp $ */
/*-
* Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc.
@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sys_sig.c,v 1.30 2011/01/10 04:39:18 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: sys_sig.c,v 1.31 2011/02/03 21:45:32 joerg Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@ -317,6 +317,8 @@ sys_getcontext(struct lwp *l, const struct sys_getcontext_args *uap,
struct proc *p = l->l_proc;
ucontext_t uc;
memset(&uc, 0, sizeof(uc));
mutex_enter(p->p_lock);
getucontext(l, &uc);
mutex_exit(p->p_lock);