Author: kib
Date: Tue May 6 12:35:19 2014
New Revision: 265438
URL: http://svnweb.freebsd.org/changeset/base/265438
Log:
MFC r265100:
Fix the comparision for the end of range in vm_phys_fictitious_reg_range().
Modified:
stable/9/sys/vm/vm_phys.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/vm/vm_phys.c
==============================================================================
--- stable/9/sys/vm/vm_phys.c Tue May 6 12:31:25 2014 (r265437)
+++ stable/9/sys/vm/vm_phys.c Tue May 6 12:35:19 2014 (r265438)
@@ -600,7 +600,9 @@ vm_phys_fictitious_reg_range(vm_paddr_t
#ifdef VM_PHYSSEG_DENSE
pi = atop(start);
- if (pi >= first_page && atop(end) < vm_page_array_size) {
+ if (pi >= first_page && pi < vm_page_array_size + first_page) {
+ if (atop(end) >= vm_page_array_size + first_page)
+ return (EINVAL);
fp = &vm_page_array[pi - first_page];
malloced = FALSE;
} else
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