diff options
| author | Andreas Gruenbacher <agruen@suse.de> | 2005-06-22 17:16:28 +0000 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2005-06-22 16:07:27 -0400 |
| commit | 213484254c65e3c39c59df454132748b1367f816 (patch) | |
| tree | bba8225be09a04f23a34ee0e93b9fa1090f3bf8f /fs/nfs/nfs3xdr.c | |
| parent | 458818ed76d3f495f9f32373c936456c9427f759 (diff) | |
[PATCH] fix nfsacl pointer arithmetic and pg_class initialization bugs
* Pointer arithmetic bug: p is in word units. This fixes a memory
corruption with big acls.
* Initialize pg_class to prevent a NULL pointer access.
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs3xdr.c')
| -rw-r--r-- | fs/nfs/nfs3xdr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index a4437fb177f..db4a904810a 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -677,7 +677,7 @@ nfs3_xdr_setaclargs(struct rpc_rqst *req, u32 *p, /* put as much of the acls into head as possible. */ len_in_head = min_t(unsigned int, buf->head->iov_len - base, len); len -= len_in_head; - req->rq_slen = xdr_adjust_iovec(req->rq_svec, p + len_in_head); + req->rq_slen = xdr_adjust_iovec(req->rq_svec, p + (len_in_head >> 2)); for (count = 0; (count << PAGE_SHIFT) < len; count++) { args->pages[count] = alloc_page(GFP_KERNEL); |