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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DAD4CEB64D7 for ; Sun, 18 Jun 2023 21:06:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229584AbjFRVGe (ORCPT ); Sun, 18 Jun 2023 17:06:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229554AbjFRVGd (ORCPT ); Sun, 18 Jun 2023 17:06:33 -0400 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EE6E4E44 for ; Sun, 18 Jun 2023 14:06:32 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id ca18e2360f4ac-77e23d23eccso138192039f.1 for ; Sun, 18 Jun 2023 14:06:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687122392; x=1689714392; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=AGPCsyVCjaMdb5zctZvXHEEDcHJ/Z5rO2/FLB/BsIJI=; b=iNUqmklxQJgE/Xit5kPyNYvCn/eZrYjPd8FMjEWT9aKbZ47f70TBgCfAjnc2QFj9sE oGsLEOnYFFd+7smOWmTCFEWk5KnQwsSQe/5ptsF+hZf6F0kLChq0Fvb/FlpFd+l2J6JK FxJj4SCxIZDPUrvSX0MswTrSq80HfkjB+mSH7LhACjy9UT5rcSeadKrW3JNSIWCAIWgl 5HhW/V0Vb4dEBaZhgLQdHSZToPFy3WfKm51Mk3wJ75xdL5JMpRpgjZ+9HHACkS3IWRF8 32AXWBYEtGi6Oi7WdIOLz1CiIw1KE3sVLo6gzq2baq/k31InXvrGtewuY8Edm1liJ0x/ MhpQ== X-Gm-Message-State: AC+VfDz+GHJ55eVbq7pE6yWrbG9yw//GEgPlYpIFUL7be7YCq6Rc7XBg 8+HT+gNNlYMYajNCk5SIDHuDvZYXvzWQkI6ZeEnpxFkW/064 X-Google-Smtp-Source: ACHHUZ7xSr4w6krwjQPockQqELqyYqRd9bokpQafWNXKhNDv0G3b/mUPdU0P2k3tDRz7L758vvswpWfxwmv/yRNxFreCGHk5VisC MIME-Version: 1.0 X-Received: by 2002:a6b:7c0b:0:b0:763:7dfb:27b2 with SMTP id m11-20020a6b7c0b000000b007637dfb27b2mr2282322iok.0.1687122392334; Sun, 18 Jun 2023 14:06:32 -0700 (PDT) Date: Sun, 18 Jun 2023 14:06:32 -0700 In-Reply-To: <0000000000007ca70405fe4f149a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e34c0505fe6dca7a@google.com> Subject: Re: [syzbot] [block?] WARNING in blkdev_put (3) From: syzbot To: axboe@kernel.dk, brauner@kernel.org, hare@suse.de, hch@lst.de, hdanton@sina.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org syzbot has bisected this issue to: commit 2736e8eeb0ccdc71d1f4256c9c9a28f58cc43307 Author: Christoph Hellwig Date: Thu Jun 8 11:02:43 2023 +0000 block: use the holder as indication for exclusive opens bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1713d65b280000 start commit: f7efed9f38f8 Add linux-next specific files for 20230616 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=1493d65b280000 console output: https://syzkaller.appspot.com/x/log.txt?x=1093d65b280000 kernel config: https://syzkaller.appspot.com/x/.config?x=60b1a32485a77c16 dashboard link: https://syzkaller.appspot.com/bug?extid=04625c80899f4555de39 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1600684b280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16b484f3280000 Reported-by: syzbot+04625c80899f4555de39@syzkaller.appspotmail.com Fixes: 2736e8eeb0cc ("block: use the holder as indication for exclusive opens") For information about bisection process see: https://goo.gl/tpsmEJ#bisection