Author: marcel
Date: Tue Feb 26 03:46:35 2013
New Revision: 247303
URL: http://svnweb.freebsd.org/changeset/base/247303
Log:
MFC r246882:
Return EFAULT when the address is not a kernel virtual address.
Modified:
stable/9/sys/ia64/ia64/mem.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/ia64/ia64/mem.c
==============================================================================
--- stable/9/sys/ia64/ia64/mem.c Tue Feb 26 03:39:15 2013
(r247302)
+++ stable/9/sys/ia64/ia64/mem.c Tue Feb 26 03:46:35 2013
(r247303)
@@ -128,6 +128,8 @@ kmemphys:
*/
addr = trunc_page(v);
eaddr = round_page(v + c);
+ if (addr < VM_MAXUSER_ADDRESS)
+ return (EFAULT);
for (; addr < eaddr; addr += PAGE_SIZE) {
if (pmap_kextract(addr) == 0)
return (EFAULT);
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