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| 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 | |
| parent | 458818ed76d3f495f9f32373c936456c9427f759 (diff) | |
| download | linux-213484254c65e3c39c59df454132748b1367f816.tar.gz linux-213484254c65e3c39c59df454132748b1367f816.tar.bz2 linux-213484254c65e3c39c59df454132748b1367f816.zip | |
[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>
| -rw-r--r-- | fs/nfs/nfs3xdr.c | 2 | ||||
| -rw-r--r-- | fs/nfsd/nfssvc.c | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index a4437fb177f0..db4a904810a4 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); diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 79b25b19fec8..904df604e86b 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -376,6 +376,7 @@ static struct svc_program nfsd_acl_program = { .pg_nvers = NFSD_ACL_NRVERS, .pg_vers = nfsd_acl_version, .pg_name = "nfsd", + .pg_class = "nfsd", .pg_stats = &nfsd_acl_svcstats, }; |