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CID-4284: check for 'kup != NULL' after kmem_zalloc() returns

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alc 2006-12-26 00:10:40 +00:00
parent b68a85a32f
commit 9594e8adae
1 changed files with 3 additions and 2 deletions
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5
sys/kern/kern_sa.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_sa.c,v 1.87 2006/11/01 10:17:58 yamt Exp $ */
/* $NetBSD: kern_sa.c,v 1.88 2006/12/26 00:10:40 alc Exp $ */
/*-
* Copyright (c) 2001, 2004, 2005 The NetBSD Foundation, Inc.
@ -40,7 +40,7 @@
#include "opt_ktrace.h"
#include "opt_multiprocessor.h"
__KERNEL_RCSID(0, "$NetBSD: kern_sa.c,v 1.87 2006/11/01 10:17:58 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_sa.c,v 1.88 2006/12/26 00:10:40 alc Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -1475,6 +1475,7 @@ sa_makeupcalls(struct lwp *l)
up = (void *)STACK_ALLOC(stack, ucsize);
stack = STACK_GROW(stack, ucsize);
kup = kmem_zalloc(sizeof(*kup), KM_SLEEP);
KASSERT(kup != NULL);
kup->uc_stack = sau->sau_stack;
kup->uc_flags = _UC_STACK;
error = SACOPYOUT(sae, SAOUT_UCONTEXT, kup, up);