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 1B98BC47257 for ; Sat, 2 May 2020 10:07:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ECF90216FD for ; Sat, 2 May 2020 10:07:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727088AbgEBKHG (ORCPT ); Sat, 2 May 2020 06:07:06 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:43976 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726846AbgEBKHF (ORCPT ); Sat, 2 May 2020 06:07:05 -0400 Received: by mail-il1-f199.google.com with SMTP id c15so7585887ilj.10 for ; Sat, 02 May 2020 03:07:03 -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=m1hRXR9BMt4ToPnusTADtXKnayxV/ZH6J13/KcH/RN8=; b=DGBZwUfwPh76t/yUiY9wR6E/Lr512Gdu+gIoewWWMI6DdiRnUpTXAuf2RCdDXKWo9d QY3OjNJ0CABctO6kJwaUT4g83b2Yy9xk/MuFE8wTvGktaqZIaSSvkLKSlPARBwOywuz3 7pkxPWKp9rxnXdgCQ4jzyE2guY/YFDM72u/APdV9AzLVyy532CXss6aDEsicu14rY9pw 73KXZs+kZDIeeZv0Z8idJfhBfaCKe/aGWOuJo6DGq5IyDCayYVrpPDA1EEyM9frSimDN Rz7nL0CwkmgNet/9vywln7QAF7uxdL3/bq7qWkkbRx1Q8XCsnyhhlOKG3E0HTowSZwhC xJSA== X-Gm-Message-State: AGi0PubAdGMrM0vfS2oIPCeXGLMkJf0muYuEqoad0OjZAVqAN40cqaQL RR3zPArXitPR+458Qo89W3CmDvYa3z+KBI1d8ceZ5PO64mxX X-Google-Smtp-Source: APiQypLKoorYfxGAxfQDfwHAhcqeI9HJWjEq5A0H7WxkYG55YC8uqJYuqoZzZKQbbAF6862mCDXEKO9b6SOkLeJkNTcni5YPyrpl MIME-Version: 1.0 X-Received: by 2002:a6b:f20f:: with SMTP id q15mr7704601ioh.48.1588414023349; Sat, 02 May 2020 03:07:03 -0700 (PDT) Date: Sat, 02 May 2020 03:07:03 -0700 In-Reply-To: <0000000000002ef1120597b1bc92@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009e3eb505a4a7759e@google.com> Subject: Re: possible deadlock in lock_trace (3) From: syzbot To: adobriyan@gmail.com, akpm@linux-foundation.org, avagin@gmail.com, bernd.edlinger@hotmail.de, casey@schaufler-ca.com, christian@brauner.io, ebiederm@xmission.com, guro@fb.com, kent.overstreet@gmail.com, khlebnikov@yandex-team.ru, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mhocko@suse.com, shakeelb@google.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=17222ec4100000 start commit: a42a7bb6 Merge tag 'irq-urgent-2020-03-15' of git://git.ke.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=c2e311dba9a02ba9 dashboard link: https://syzkaller.appspot.com/bug?extid=985c8a3c7f3668d31a49 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1185f753e00000 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