From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ua0-f173.google.com ([209.85.217.173]:34258 "EHLO mail-ua0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751080AbdE3IUG (ORCPT ); Tue, 30 May 2017 04:20:06 -0400 Received: by mail-ua0-f173.google.com with SMTP id u10so47057480uaf.1 for ; Tue, 30 May 2017 01:20:06 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20170530062454.GC6365@ZenIV.linux.org.uk> References: <20170305155707.GI29622@ZenIV.linux.org.uk> <20170305163301.GJ29622@ZenIV.linux.org.uk> <20170305191802.GK29622@ZenIV.linux.org.uk> <20170530062454.GC6365@ZenIV.linux.org.uk> From: Dmitry Vyukov Date: Tue, 30 May 2017 10:19:45 +0200 Message-ID: Subject: Re: fs: use-after-free in path_lookupat To: Al Viro Cc: "linux-fsdevel@vger.kernel.org" , LKML , syzkaller , Cong Wang Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Tue, May 30, 2017 at 8:24 AM, Al Viro wrote: > On Mon, May 29, 2017 at 04:48:17PM +0200, Dmitry Vyukov wrote: > >> Al, do you want me to mail the patch? >> I won't be able to write a super detailed description, but I can do >> some format patch. > > It's been fixed by commit c0eb027e5aef7; if you are still able to > trigger it on the current mainline, please yell - that would have > to be something different. Thanks for the update! No, I can't say that I still see this. It happened very infrequently, so I wanted to make sure that we don't lost it regardless of whether I see it or not.