diff options
| author | Ted Unangst <tedu@cvs.openbsd.org> | 2005-04-17 07:33:14 +0000 |
|---|---|---|
| committer | Ted Unangst <tedu@cvs.openbsd.org> | 2005-04-17 07:33:14 +0000 |
| commit | 1767898469a83dc29d5a64fd5e9e582ce7dca107 (patch) | |
| tree | 2cc2dc3de6f34aac77d40eb289e72092db1e1bba /sys/arch/i386 | |
| parent | cf0a6ecb1260d44730ca7455c2a62d68d13d2aa3 (diff) | |
make sure user address is in user space in copyinstr. ok weingart@
Diffstat (limited to 'sys/arch/i386')
| -rw-r--r-- | sys/arch/i386/i386/locore.s | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/arch/i386/i386/locore.s b/sys/arch/i386/i386/locore.s index bf53884d22c..5254c3e7932 100644 --- a/sys/arch/i386/i386/locore.s +++ b/sys/arch/i386/i386/locore.s @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.s,v 1.82 2005/02/10 04:06:01 weingart Exp $ */ +/* $OpenBSD: locore.s,v 1.83 2005/04/17 07:33:13 tedu Exp $ */ /* $NetBSD: locore.s,v 1.145 1996/05/03 19:41:19 christos Exp $ */ /*- @@ -1298,6 +1298,8 @@ ENTRY(copyinstr) 1: decl %edx jz 2f + cmpl $VM_MAXUSER_ADDRESS,%esi + jae _C_LABEL(copystr_fault) lodsb stosb testb %al,%al |