Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Don't follow an incorrect pointer in an extended capability header. Tested

Browse Source 
with Super Micro X10SDV-8C-TLN4F bus 255, device 12, function 0 (BIOS 1.1b).
This commit is contained in:
msaitoh 2016-08-22 08:35:42 +00:00
parent 8c27d15300
commit 223fd57db4
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/dev/pci/pci_subr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pci_subr.c,v 1.149 2016/08/17 06:32:01 msaitoh Exp $ */
/* $NetBSD: pci_subr.c,v 1.150 2016/08/22 08:35:42 msaitoh Exp $ */
/*
* Copyright (c) 1997 Zubin D. Dittia. All rights reserved.
@ -40,7 +40,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pci_subr.c,v 1.149 2016/08/17 06:32:01 msaitoh Exp $");
__KERNEL_RCSID(0, "$NetBSD: pci_subr.c,v 1.150 2016/08/22 08:35:42 msaitoh Exp $");
#ifdef _KERNEL_OPT
#include "opt_pci.h"
@ -3490,6 +3490,10 @@ pci_conf_print_extcaplist(
off = PCI_EXTCAPLIST_NEXT(rval);
if (off == 0)
break;
else if (off <= PCI_CONF_SIZE) {
printf(" next pointer: 0x%03x (incorrect)\n", off);
return;
}
rval = regs[o2i(off)];
}