For unknown CPU, if family >= CPU_MAXFAMILY set family to CPU_MINFAMILY instead
of CPU_MAXFAMILY. This effectively causes to downgrade to i386 class instead of a nonexistant class, and overrunning classnames[] by one. Coverity ID 1472.
This commit is contained in:
parent
d6d75eaf5d
commit
03999c340c
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@ -1,4 +1,4 @@
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/* $NetBSD: identcpu.c,v 1.30 2006/03/20 05:21:27 briggs Exp $ */
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/* $NetBSD: identcpu.c,v 1.31 2006/03/27 20:59:35 bouyer Exp $ */
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/*-
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* Copyright (c) 1999, 2000, 2001 The NetBSD Foundation, Inc.
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@ -37,7 +37,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: identcpu.c,v 1.30 2006/03/20 05:21:27 briggs Exp $");
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__KERNEL_RCSID(0, "$NetBSD: identcpu.c,v 1.31 2006/03/27 20:59:35 bouyer Exp $");
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#include "opt_cputype.h"
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#include "opt_enhanced_speedstep.h"
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@ -1163,8 +1163,8 @@ identifycpu(struct cpu_info *ci)
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vendorname = (char *)&ci->ci_vendor[0];
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else
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vendorname = "Unknown";
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if (family > CPU_MAXFAMILY)
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family = CPU_MAXFAMILY;
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if (family >= CPU_MAXFAMILY)
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family = CPU_MINFAMILY;
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class = family - 3;
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modifier = "";
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name = "";
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@ -1,4 +1,4 @@
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/* $NetBSD: identcpu.c,v 1.10 2006/03/07 23:08:14 jld Exp $ */
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/* $NetBSD: identcpu.c,v 1.11 2006/03/27 20:59:35 bouyer Exp $ */
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/* NetBSD: identcpu.c,v 1.16 2004/04/05 02:09:41 mrg Exp */
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/*-
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@ -38,7 +38,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: identcpu.c,v 1.10 2006/03/07 23:08:14 jld Exp $");
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__KERNEL_RCSID(0, "$NetBSD: identcpu.c,v 1.11 2006/03/27 20:59:35 bouyer Exp $");
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#include "opt_cputype.h"
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@ -1097,8 +1097,8 @@ identifycpu(struct cpu_info *ci)
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vendorname = (char *)&ci->ci_vendor[0];
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else
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vendorname = "Unknown";
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if (family > CPU_MAXFAMILY)
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family = CPU_MAXFAMILY;
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if (family >= CPU_MAXFAMILY)
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family = CPU_MINFAMILY;
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class = family - 3;
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modifier = "";
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name = "";
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