diff options
| author | imp <imp@FreeBSD.org> | 1999-02-25 09:52:46 +0000 |
|---|---|---|
| committer | imp <imp@FreeBSD.org> | 1999-02-25 09:52:46 +0000 |
| commit | f6b1037575373d7a052a12a6b64e3138281c360d (patch) | |
| tree | fb8fa0b8435f3baff5efd12d092f65f0d9be30af /sys/ufs | |
| parent | 9ef78c728610496319622acd1b0dd83572341e62 (diff) | |
| download | FreeBSD-src-f6b1037575373d7a052a12a6b64e3138281c360d.zip FreeBSD-src-f6b1037575373d7a052a12a6b64e3138281c360d.tar.gz | |
Add missing check for LINK_MAX in ufs_rename. Since ip->i_effnlink and
ip->nlink were different types, there was a masked overflow.
Reported by: Mark Slemco <marcs@znep.com>
Diffstat (limited to 'sys/ufs')
| -rw-r--r-- | sys/ufs/ufs/ufs_vnops.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/ufs/ufs/ufs_vnops.c b/sys/ufs/ufs/ufs_vnops.c index 4c9c426..7169e65 100644 --- a/sys/ufs/ufs/ufs_vnops.c +++ b/sys/ufs/ufs/ufs_vnops.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)ufs_vnops.c 8.27 (Berkeley) 5/27/95 - * $Id: ufs_vnops.c,v 1.107 1999/02/13 08:38:28 dillon Exp $ + * $Id: ufs_vnops.c,v 1.108 1999/02/25 05:35:53 dillon Exp $ */ #include "opt_quota.h" @@ -1017,6 +1017,10 @@ abortit: * completing our work, the link count * may be wrong, but correctable. */ + if (ip->i_nlink >= LINK_MAX) { + error = EMLINK; + goto bad; + } ip->i_effnlink++; ip->i_nlink++; ip->i_flag |= IN_CHANGE; |
