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 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 77A77C83001 for ; Thu, 30 Apr 2020 06:15:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B95C21775 for ; Thu, 30 Apr 2020 06:15:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726491AbgD3GPD (ORCPT ); Thu, 30 Apr 2020 02:15:03 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:39020 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726413AbgD3GPD (ORCPT ); Thu, 30 Apr 2020 02:15:03 -0400 Received: by mail-io1-f70.google.com with SMTP id m67so303742ioa.6 for ; Wed, 29 Apr 2020 23:15:03 -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=LGPQXr9UFNG0Da8I+jNxRs0HPIkBIqCGuS7p+9YCeGg=; b=dv1tmN29fG5QRgTA8LrzHzmyQBILU6TsOrpxuapb+v8xMUoxTOzK06C+E4g/dq/zxJ HToI1Twdsn3irj0MzRsLB17V/+36E+7hjecGf78VKAMgzjkk0I6MFauLvUHt+0XSEp6C xhRC30uLIqf6/aOUVneVQ6SAhLTLs1GFxP0XqZa1eb8JMV9GrP8MTsPWmEwBdGKqHX1/ ++Hl6QKc0r6LiTdR/Oy6U1Hvq6E83Cn2ZxU4iMHHWF8ei2t8d/5PHMJt7KeTqthazm+/ Hka4WU1xMuzIk+2udoVd30usj9131f2Edwa8lI0vZLkXrtQxGNyqag5LwdHyPfb1jTHE QWOg== X-Gm-Message-State: AGi0PubuvcT1gF0VNQc0Fqr4gl0FpLJ2fiq5+6AU1CZGy/0ZPvnWRNEZ K1A513MKFz1EeMaT/J2+OSCPJkfiYnmaSL3gNe5YvDO1jvDb X-Google-Smtp-Source: APiQypItWPCp/4iJfpJma41I1BKksbOFHTczxvYLYhN4aAIprmWe1R4Xi8W7XMYKiyqSv2IHXeW1rAQ1iMyE1Dy0TaNFKC2pTaCU MIME-Version: 1.0 X-Received: by 2002:a92:c004:: with SMTP id q4mr380269ild.93.1588227302698; Wed, 29 Apr 2020 23:15:02 -0700 (PDT) Date: Wed, 29 Apr 2020 23:15:02 -0700 In-Reply-To: <000000000000fdd3f3058bfcf369@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000033365905a47bfcd4@google.com> Subject: Re: WARNING: bad unlock balance in rcu_lock_release From: syzbot To: ebiggers@kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, will@kernel.org 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 10476e6304222ced7df9b3d5fb0a043b3c2a1ad8 Author: Peter Zijlstra Date: Fri Mar 13 08:56:38 2020 +0000 locking/lockdep: Fix bad recursion pattern bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16d64bac100000 start commit: 7d194c21 Linux 5.4-rc4 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=6c03e4d33fa96d51 dashboard link: https://syzkaller.appspot.com/bug?extid=f9545ab3e9f85cd43a3a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10a0a8c0e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13dd2dd8e00000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: locking/lockdep: Fix bad recursion pattern For information about bisection process see: https://goo.gl/tpsmEJ#bisection