Date: Sat, 6 Oct 2012 19:01:20 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r241274 - stable/9/sys/boot/zfs Message-ID: <201210061901.q96J1KhK021119@svn.freebsd.org>
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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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