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Check %eip with USER_LDT too.

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This commit is contained in:
maxv 2017-02-14 09:03:48 +00:00
parent 79ef876622
commit c7032ba2aa
1 changed files with 5 additions and 4 deletions
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9
sys/arch/amd64/amd64/netbsd32_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: netbsd32_machdep.c,v 1.102 2017/02/09 08:38:25 maxv Exp $ */
/* $NetBSD: netbsd32_machdep.c,v 1.103 2017/02/14 09:03:48 maxv Exp $ */
/*
* Copyright (c) 2001 Wasabi Systems, Inc.
@ -36,7 +36,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: netbsd32_machdep.c,v 1.102 2017/02/09 08:38:25 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: netbsd32_machdep.c,v 1.103 2017/02/14 09:03:48 maxv Exp $");
#ifdef _KERNEL_OPT
#include "opt_compat_netbsd.h"
@ -1064,10 +1064,11 @@ cpu_mcontext32_validate(struct lwp *l, const mcontext32_t *mcp)
if (!VALID_USER_DSEL32(gr[_REG32_DS]) ||
!VALID_USER_DSEL32(gr[_REG32_SS]))
return EINVAL;
if (gr[_REG32_EIP] >= VM_MAXUSER_ADDRESS32)
return EINVAL;
}
if (gr[_REG32_EIP] >= VM_MAXUSER_ADDRESS32)
return EINVAL;
return 0;
}