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authorMiod Vallat <miod@cvs.openbsd.org>2009-10-22 18:20:22 +0000
committerMiod Vallat <miod@cvs.openbsd.org>2009-10-22 18:20:22 +0000
commit11dffbaa9f31653b22f9471ca3c4c642b5c730ff (patch)
tree194d38b9416ec523cc746a020ffbeb12ecffc1c1 /sys/arch/mips64
parent9695f68044f5dd64615a9fba07cc57fffcda17db (diff)
Crank VM_MIN_ADDRESS to prevent userland from being able to mmap zero,
forgotten long ago and lingering in one of my trees since then...
Diffstat (limited to 'sys/arch/mips64')
-rw-r--r--sys/arch/mips64/include/vmparam.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arch/mips64/include/vmparam.h b/sys/arch/mips64/include/vmparam.h
index 17f75734fc8..5572ee262ed 100644
--- a/sys/arch/mips64/include/vmparam.h
+++ b/sys/arch/mips64/include/vmparam.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: vmparam.h,v 1.16 2008/08/22 10:41:37 kurt Exp $ */
+/* $OpenBSD: vmparam.h,v 1.17 2009/10/22 18:20:21 miod Exp $ */
/* $NetBSD: vmparam.h,v 1.5 1994/10/26 21:10:10 cgd Exp $ */
/*
@@ -95,7 +95,7 @@
#define VM_PHYSSEG_NOADD
/* user/kernel map constants */
-#define VM_MIN_ADDRESS ((vaddr_t)0x0000000000000000L)
+#define VM_MIN_ADDRESS ((vaddr_t)0x0000000000001000L)
#define VM_MAXUSER_ADDRESS ((vaddr_t)0x0000000080000000L)
#define VM_MAX_ADDRESS ((vaddr_t)0x0000000080000000L)
#define VM_MIN_KERNEL_ADDRESS ((vaddr_t)0xffffffffc0000000L)