Messages in this thread Patch in this message |  | | | Subject | [PATCH 2/3] fuse: check reserved node ID values | | From | Miklos Szeredi <> | | Date | Fri, 23 Sep 2005 16:18:47 +0200 |
| |
This patch checks reserved node ID values returned by lookup and creation operations. In case one of the reserved values is sent, return -EIO.
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Index: linux/fs/fuse/dir.c =================================================================== --- linux.orig/fs/fuse/dir.c 2005-09-23 14:58:09.000000000 +0200 +++ linux/fs/fuse/dir.c 2005-09-23 15:22:37.000000000 +0200 @@ -96,6 +96,8 @@ static int fuse_lookup_iget(struct inode fuse_lookup_init(req, dir, entry, &outarg); request_send(fc, req); err = req->out.h.error; + if (!err && (!outarg.nodeid || outarg.nodeid == FUSE_ROOT_ID)) + err = -EIO; if (!err) { inode = fuse_iget(dir->i_sb, outarg.nodeid, outarg.generation, &outarg.attr); @@ -152,6 +154,10 @@ static int create_new_entry(struct fuse_ fuse_put_request(fc, req); return err; } + if (!outarg.nodeid || outarg.nodeid == FUSE_ROOT_ID) { + fuse_put_request(fc, req); + return -EIO; + } inode = fuse_iget(dir->i_sb, outarg.nodeid, outarg.generation, &outarg.attr); if (!inode) { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |