Avoid running off the end of the spares array in db2's page_to_oaddr()

in unrealistically large databases.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@24507 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/plugins/kdb/db2/libdb2/hash/hash_page.c b/src/plugins/kdb/db2/libdb2/hash/hash_page.c
index f27e7dd86afa4b4b18cbff1e6c6adc59c95c1aa5..5841e92b5fb1646930194818355ffe0203b5f486 100644 (file)
--- a/src/plugins/kdb/db2/libdb2/hash/hash_page.c
+++ b/src/plugins/kdb/db2/libdb2/hash/hash_page.c
@@ -1276,7 +1276,7 @@ page_to_oaddr(hashp, pgno)
         * 3.  return...
         */
        pgno -= hashp->hdr.hdrpages;
-       for (sp = 0; sp < NCACHED; sp++)
+       for (sp = 0; sp < NCACHED - 1; sp++)
                if (POW2(sp) + hashp->hdr.spares[sp] < pgno &&
                    (POW2(sp + 1) + hashp->hdr.spares[sp + 1]) > pgno)
                        break;