Module Name: src
Committed By: martin
Date: Sun Feb 12 11:18:05 UTC 2012
Modified Files:
src/sys/uvm: uvm_glue.c
Log Message:
In uvm_proc_exit bail out early if we have no vmspace yet (as it happens
for failing posix_spawn child processes).
Fixes PR kern/45991.
To generate a diff of this commit:
cvs rdiff -u -r1.155 -r1.156 src/sys/uvm/uvm_glue.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/uvm/uvm_glue.c
diff -u src/sys/uvm/uvm_glue.c:1.155 src/sys/uvm/uvm_glue.c:1.156
--- src/sys/uvm/uvm_glue.c:1.155 Sat Feb 11 23:16:18 2012
+++ src/sys/uvm/uvm_glue.c Sun Feb 12 11:18:04 2012
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_glue.c,v 1.155 2012/02/11 23:16:18 martin Exp $ */
+/* $NetBSD: uvm_glue.c,v 1.156 2012/02/12 11:18:04 martin Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -62,7 +62,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_glue.c,v 1.155 2012/02/11 23:16:18 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_glue.c,v 1.156 2012/02/12 11:18:04 martin Exp $");
#include "opt_kgdb.h"
#include "opt_kstack.h"
@@ -416,6 +416,8 @@ uvm_proc_exit(struct proc *p)
KASSERT(p == l->l_proc);
ovm = p->p_vmspace;
+ if (__predict_false(ovm == NULL))
+ return;
/*
* borrow proc0's address space.
