[PATCH] NFS: Ensure ACL xdr code doesn't overflow.

[~andy/linux] / fs / nfs_common / nfsacl.c

diff --git a/fs/nfs_common/nfsacl.c b/fs/nfs_common/nfsacl.c
index 18c58c32e326281bfa7226edbaaec135b45c2b70..251e5a1bb1c4cbe0308c042073b0d83cfe71d73d 100644 (file)
--- a/fs/nfs_common/nfsacl.c
+++ b/fs/nfs_common/nfsacl.c
@@ -239,6 +239,7 @@ nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt,
        if (xdr_decode_word(buf, base, &entries) ||
            entries > NFS_ACL_MAX_ENTRIES)
                return -EINVAL;
+       nfsacl_desc.desc.array_maxlen = entries;
        err = xdr_decode_array2(buf, base + 4, &nfsacl_desc.desc);
        if (err)
                return err;