Author: avg
Date: Sat Oct 6 19:01:20 2012
New Revision: 241274
URL: http://svn.freebsd.org/changeset/base/241274
Log:
MFC r240349: zfs boot: add a size check for a value in fzap_lookup
Modified:
stable/9/sys/boot/zfs/zfsimpl.c
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/boot/ (props changed)
Modified: stable/9/sys/boot/zfs/zfsimpl.c
==============================================================================
--- stable/9/sys/boot/zfs/zfsimpl.c Sat Oct 6 18:59:23 2012
(r241273)
+++ stable/9/sys/boot/zfs/zfsimpl.c Sat Oct 6 19:01:20 2012
(r241274)
@@ -1289,6 +1289,8 @@ fzap_lookup(const spa_t *spa, const dnod
zc = &ZAP_LEAF_CHUNK(&zl, zc->l_entry.le_next);
}
if (fzap_name_equal(&zl, zc, name)) {
+ if (zc->l_entry.le_value_intlen * zc->l_entry.le_value_numints
> 8)
+ return (E2BIG);
*value = fzap_leaf_value(&zl, zc);
return (0);
}
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