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Verify that the system call is within the negative range before

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deciding that it is a 'mach' system call.
XXX - shouldn't this translation only happen for certain emulations?
This commit is contained in:
dsl 2007-11-07 22:20:20 +00:00
parent 23a7584d7e
commit 1e4971a8ff
1 changed files with 3 additions and 3 deletions
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6
usr.bin/kdump/setemul.c
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@ -1,4 +1,4 @@
/* $NetBSD: setemul.c,v 1.23 2007/02/07 13:58:12 njoly Exp $ */
/* $NetBSD: setemul.c,v 1.24 2007/11/07 22:20:20 dsl Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -69,7 +69,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: setemul.c,v 1.23 2007/02/07 13:58:12 njoly Exp $");
__RCSID("$NetBSD: setemul.c,v 1.24 2007/11/07 22:20:20 dsl Exp $");
#endif /* not lint */
#include <sys/param.h>
@ -416,7 +416,7 @@ mach_traps_dispatch(int *code, const struct emulation **emul)
return 1;
default:
if (*code < 0) {
if (*code < 0 && *code > -MACH_SYS_MAXSYSCALL) {
*emul = mach;
*code = -*code;
return 1;