From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA22FC2D0DB for ; Wed, 22 Jan 2020 10:10:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B53252467A for ; Wed, 22 Jan 2020 10:10:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="X/PmImm7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729416AbgAVKK6 (ORCPT ); Wed, 22 Jan 2020 05:10:58 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:43985 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726204AbgAVKK6 (ORCPT ); Wed, 22 Jan 2020 05:10:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579687857; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=G3sIdSKUAznoVtH5H8r0191KUIId3ChkMxDztaPw080=; b=X/PmImm7U67yU5yyRd08R/DPnGwbAQKvR/Vwlf6/kgpBAgLcOPM5+4zF5ynWG/nov1EO/x ZEerAMJpTwrcggX8RRHO99WQXnvtVDxkBmUsIl7tlcO1PaPegKpaYfcaiEeIhmU+H6+2MV Vi4V39+KL/oNT6NRdGaLxSkmYTJb5Yw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-366-hJH0JR9HN8K3BNnAEmjjDQ-1; Wed, 22 Jan 2020 05:10:54 -0500 X-MC-Unique: hJH0JR9HN8K3BNnAEmjjDQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B43A9107ACC4; Wed, 22 Jan 2020 10:10:52 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-120-49.rdu2.redhat.com [10.10.120.49]) by smtp.corp.redhat.com (Postfix) with ESMTP id 784018121A; Wed, 22 Jan 2020 10:10:51 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20200122081340.2bhx5jfezl55b3qb@kili.mountain> References: <20200122081340.2bhx5jfezl55b3qb@kili.mountain> <000000000000da7a79059caf2656@google.com> To: Dan Carpenter Cc: dhowells@redhat.com, syzbot , linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: WARNING in __proc_create (2) MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3397878.1579687850.1@warthog.procyon.org.uk> Date: Wed, 22 Jan 2020 10:10:50 +0000 Message-ID: <3397879.1579687850@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dan Carpenter wrote: > We should probably ban '/' characters from the cell name in > afs_alloc_cell(). And non-printable chars too. David