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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 76264C10F29 for ; Sun, 15 Mar 2020 16:19:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 59AAF206BE for ; Sun, 15 Mar 2020 16:19:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728924AbgCOQTG (ORCPT ); Sun, 15 Mar 2020 12:19:06 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:49371 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728899AbgCOQTF (ORCPT ); Sun, 15 Mar 2020 12:19:05 -0400 Received: by mail-il1-f198.google.com with SMTP id b72so11624128ilg.16 for ; Sun, 15 Mar 2020 09:19:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=aBVpr2lszHHXRhoIRtyr/UgZ7zigQ1Re4Bzqf5rEmB8=; b=Q/Mw+NM3Fnm/unf060WHNjIxuk11NBGkVjcjNgxqXV+EV3U2CEruOJ5zw+PqJUIt0M 66wX7OW40s1+KmcRhyUXmiuqidfiDr10/AxZvXpXPKbkUb1/4BpoH1ccAZ+cgl29nMjA dsVya3//2Oy/ozHrXRk+J0H1BogHc1Fm1YSLNUiRb+Me9yOTVjyD/JVGAjtsPvhrS4Gt tR/u+m0WKaqqZyRIE2WA2xYwKEMsLM0i4pcEFbw6nuxeiJ2zgEG6kdw9RH2gxyY5GLTf vlVAy+GgMU3Hqd8IpQv2SpJeXbrTbfL8TUtXzaE6OpTe5pjgrkCdoN+iiVDRcKejQAeE sBvw== X-Gm-Message-State: ANhLgQ3b2m+7RRanEOIaTjjGq3BFSOIvKJSiqqXUS0iNJELooMZT+Qku 0q0cSm3SrEBRQYZHU1t3IaDxpa/U+t7aTqslfuU2oDKYn+Ah X-Google-Smtp-Source: ADFU+vvEpKjTJKXQNX4cXiEk/M0vqZw0uACkxtFRoJsmPwDzy61qIqim7f8/xuwV9rHXdGAII/j6tBy3274dpYif2g5SMTDAgQSk MIME-Version: 1.0 X-Received: by 2002:a92:3b11:: with SMTP id i17mr18499810ila.161.1584289143334; Sun, 15 Mar 2020 09:19:03 -0700 (PDT) Date: Sun, 15 Mar 2020 09:19:03 -0700 In-Reply-To: <000000000000fb27f1059aa202ea@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009c33d905a0e70f63@google.com> Subject: Re: possible deadlock in pipe_lock (3) From: syzbot To: jencce.kernel@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, mszeredi@redhat.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this bug was fixed by commit: commit 1a980b8cbf0059a5308eea61522f232fd03002e2 Author: Murphy Zhou Date: Fri Jan 17 12:49:29 2020 +0000 ovl: add splice file read write helper bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12dd7dc3e00000 start commit: 46cf053e Linux 5.5-rc3 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=ed9d672709340e35 dashboard link: https://syzkaller.appspot.com/bug?extid=217d60b447573313b211 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=116496c1e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10104649e00000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: ovl: add splice file read write helper For information about bisection process see: https://goo.gl/tpsmEJ#bisection