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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 52DD0C2BA19 for ; Wed, 15 Apr 2020 17:50:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3735720787 for ; Wed, 15 Apr 2020 17:50:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436600AbgDORuM (ORCPT ); Wed, 15 Apr 2020 13:50:12 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:52361 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2411463AbgDORuF (ORCPT ); Wed, 15 Apr 2020 13:50:05 -0400 Received: by mail-io1-f69.google.com with SMTP id c15so20742079iom.19 for ; Wed, 15 Apr 2020 10:50:04 -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=nHxID+TcYcl1NAxOyN05IyLFyVfL/SAIIcfsEnpexvY=; b=Z7APX3Z1lcyJfaccCGANtZDMxsdgb1UbN1yOx1ZfPsyj//6kXmB53lvj0Kxy/jdplD 9DGVH8jqPxkUD05l/Iw0DZVg/TlLt+exou6IUUxF9OCdfmH1uIqkKtqtO1/yfPLzTL0r R5ufqqYx6HrpMiHgJKL8JSyP/pZnMKn8VLcE0D1j6PYm23LMxbJ0B+QVcA+Gbz4tubdX R5+YrXc9VrnWutiWPjohDYsgrVmRXQCQmnIBMxxSbZ+Nr4/0tk04itpPj/qq25xiY9OQ 0FGy6XKdXxTYYkYWP5r4x+17ejeGeoVH+27s5VikIUwOSpIsBRbTccryXefp0K4Hvy/k SlMg== X-Gm-Message-State: AGi0PuasnJciPMPiisat4T1kVH1wmuhPb9n8m5suc3FMSGPHVYPHrQ34 V3hWJqdpFhXz+n5ue9ymgbZhHNtz8kTCfnX/W4cA5VNaHeB7 X-Google-Smtp-Source: APiQypKCFYBPF9OFykDZd9n8d4hXnAVLQ6F+DTzMLIY+9TSrA/7PY0fhxsgiHvbNThyhKTwcCS3oyc4PK82BmuGBS5ArqpOAKflC MIME-Version: 1.0 X-Received: by 2002:a02:7785:: with SMTP id g127mr26306155jac.134.1586973002978; Wed, 15 Apr 2020 10:50:02 -0700 (PDT) Date: Wed, 15 Apr 2020 10:50:02 -0700 In-Reply-To: <000000000000f8a16405a0376780@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001c5eaa05a357f2e1@google.com> Subject: Re: possible deadlock in proc_pid_personality From: syzbot To: adobriyan@gmail.com, akpm@linux-foundation.org, avagin@gmail.com, bernd.edlinger@hotmail.de, christian@brauner.io, ebiederm@xmission.com, guro@fb.com, kent.overstreet@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mhocko@suse.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot suspects this bug was fixed by commit: commit 2db9dbf71bf98d02a0bf33e798e5bfd2a9944696 Author: Bernd Edlinger Date: Fri Mar 20 20:27:24 2020 +0000 proc: Use new infrastructure to fix deadlocks in execve bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=136aea00100000 start commit: 63623fd4 Merge tag 'for-linus' of git://git.kernel.org/pub.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=5d2e033af114153f dashboard link: https://syzkaller.appspot.com/bug?extid=d9ae59d4662c941e39c6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1374670de00000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: proc: Use new infrastructure to fix deadlocks in execve For information about bisection process see: https://goo.gl/tpsmEJ#bisection