Module Name: src
Committed By: skrll
Date: Thu Apr 13 07:58:45 UTC 2017
Modified Files:
src/sys/kern: sys_process.c
Log Message:
Paranoia... keep vmspace reference while doing pmap_procwr
To generate a diff of this commit:
cvs rdiff -u -r1.178 -r1.179 src/sys/kern/sys_process.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_process.c
diff -u src/sys/kern/sys_process.c:1.178 src/sys/kern/sys_process.c:1.179
--- src/sys/kern/sys_process.c:1.178 Fri Mar 24 17:40:44 2017
+++ src/sys/kern/sys_process.c Thu Apr 13 07:58:45 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: sys_process.c,v 1.178 2017/03/24 17:40:44 christos Exp $ */
+/* $NetBSD: sys_process.c,v 1.179 2017/04/13 07:58:45 skrll Exp $ */
/*-
* Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -118,7 +118,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sys_process.c,v 1.178 2017/03/24 17:40:44 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sys_process.c,v 1.179 2017/04/13 07:58:45 skrll Exp $");
#ifdef _KERNEL_OPT
#include "opt_ptrace.h"
@@ -177,12 +177,13 @@ process_domem(struct lwp *curl /*tracer*
if (error != 0)
return error;
error = uvm_io(&vm->vm_map, uio, pax_mprotect_prot(l));
- uvmspace_free(vm);
#ifdef PMAP_NEED_PROCWR
if (error == 0 && uio->uio_rw == UIO_WRITE)
pmap_procwr(p, addr, len);
#endif
+ uvmspace_free(vm);
+
return error;
}
#endif /* KTRACE || PTRACE_HOOKS */
