Module Name: src
Committed By: mlelstv
Date: Sun Feb 19 10:48:06 UTC 2023
Modified Files:
src/sys/arch/mips/mips: db_interface.c
Log Message:
Only copyin/copyout from and to user addresses.
To generate a diff of this commit:
cvs rdiff -u -r1.97 -r1.98 src/sys/arch/mips/mips/db_interface.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/arch/mips/mips/db_interface.c
diff -u src/sys/arch/mips/mips/db_interface.c:1.97 src/sys/arch/mips/mips/db_interface.c:1.98
--- src/sys/arch/mips/mips/db_interface.c:1.97 Wed Oct 26 23:38:08 2022
+++ src/sys/arch/mips/mips/db_interface.c Sun Feb 19 10:48:06 2023
@@ -1,4 +1,4 @@
-/* $NetBSD: db_interface.c,v 1.97 2022/10/26 23:38:08 riastradh Exp $ */
+/* $NetBSD: db_interface.c,v 1.98 2023/02/19 10:48:06 mlelstv Exp $ */
/*
* Mach Operating System
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_interface.c,v 1.97 2022/10/26 23:38:08 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_interface.c,v 1.98 2023/02/19 10:48:06 mlelstv Exp $");
#ifdef _KERNEL_OPT
#include "opt_multiprocessor.h"
@@ -190,7 +190,7 @@ db_read_bytes(vaddr_t addr, size_t size,
* Note that MIPS_KSEG0_START is the proper address for
* both 32-bit and 64-bit kernels.
*/
- if (addr < (vaddr_t)MIPS_KSEG0_START) {
+ if (addr < VM_MAXUSER_ADDRESS) {
err = copyin(src, data, size);
if (err) {
#ifdef DDB
@@ -228,7 +228,7 @@ db_write_bytes(vaddr_t addr, size_t size
int err;
/* If asked to fetch from userspace, do it safely */
- if (addr < (vaddr_t)MIPS_KSEG0_START) {
+ if (addr < VM_MAXUSER_ADDRESS) {
err = copyout(data, p, size);
if (err) {
#ifdef DDB
