Author: jhb
Date: Thu Nov 14 21:27:13 2013
New Revision: 258144
URL: http://svnweb.freebsd.org/changeset/base/258144
Log:
MFC 255497:
Fix an off-by-one error when populating mincore(2) entries for
skipped entries. lastvecindex references the last valid byte,
so the new bytes should come after it.
Modified:
stable/9/sys/vm/vm_mmap.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/vm/vm_mmap.c
==============================================================================
--- stable/9/sys/vm/vm_mmap.c Thu Nov 14 20:21:05 2013 (r258143)
+++ stable/9/sys/vm/vm_mmap.c Thu Nov 14 21:27:13 2013 (r258144)
@@ -963,12 +963,12 @@ RestartScan:
* the byte vector is zeroed for those skipped entries.
*/
while ((lastvecindex + 1) < vecindex) {
+ ++lastvecindex;
error = subyte(vec + lastvecindex, 0);
if (error) {
error = EFAULT;
goto done2;
}
- ++lastvecindex;
}
/*
@@ -1004,12 +1004,12 @@ RestartScan:
*/
vecindex = OFF_TO_IDX(end - first_addr);
while ((lastvecindex + 1) < vecindex) {
+ ++lastvecindex;
error = subyte(vec + lastvecindex, 0);
if (error) {
error = EFAULT;
goto done2;
}
- ++lastvecindex;
}
/*
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