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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 2AA72C4320A for ; Thu, 2 Sep 2021 01:34:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A383610A4 for ; Thu, 2 Sep 2021 01:34:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233234AbhIBBfK (ORCPT ); Wed, 1 Sep 2021 21:35:10 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:36391 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232666AbhIBBfJ (ORCPT ); Wed, 1 Sep 2021 21:35:09 -0400 Received: by mail-il1-f199.google.com with SMTP id s15-20020a056e02216f00b002276040aa1dso129397ilv.3 for ; Wed, 01 Sep 2021 18:34:11 -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=eCBaAjhiQ9w8mLGGTf4y2S5ooafVmimcQTh9DS+sy1I=; b=LXWPL7WoJOBNt6Vf2hIwuNqT0nle7rwTRxttl7/QicXOPBwkBam1QmxcYsUvbpqoPu QqK5Bx6gNlk/KoI9o9vHXH2fQKxAaci3MqHowbR2aCB29sVZUH1AuQZYsYkLYO5AtqfJ XD25kq3nP/vTIFmb4oshsv3E7jILcoMcYgdscwFmgcpITakHvpeVY3vEA6wBSZam6s4z HNei5sLc965Nkd55xaUyepTeNRRGto+UaJACdvsvGlQkEQB639HXZeXh2LNp5b/MEWs3 mwqesn8Yjf3HMK58wfnQYpyGePdGsNYEV+gs9GLw25ty4ukeVSzHAwfsFZvZBYuDM6ei 55vQ== X-Gm-Message-State: AOAM532hPskyEerCCKHaV9p75sayvODsPepFp8lCMxOD0xMLzPhoRKgS 3YlFEtZsJZEsr1Pvw9TS5zQ22rmSXlG86Xac/a4mdXMRkrwQ X-Google-Smtp-Source: ABdhPJy7YbQOhifggTgvwQ1ZQFRbtvh13nQVZvAK1NEPE5pzyvQ0i+/WLbSyJhTpVilAxNa9Vy7XmtqTqrokDGUVsBCjNxA6Uq17 MIME-Version: 1.0 X-Received: by 2002:a5e:d60e:: with SMTP id w14mr638638iom.135.1630546451511; Wed, 01 Sep 2021 18:34:11 -0700 (PDT) Date: Wed, 01 Sep 2021 18:34:11 -0700 In-Reply-To: <000000000000b1c39505c99bd67c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000840d605caf92e8e@google.com> Subject: Re: [syzbot] INFO: task can't die in __lock_sock From: syzbot To: davem@davemloft.net, desmondcheongzx@gmail.com, johan.hedberg@gmail.com, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, luiz.von.dentz@intel.com, marcel@holtmann.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit b7ce436a5d798bc59e71797952566608a4b4626b Author: Desmond Cheong Zhi Xi Date: Tue Aug 10 04:14:09 2021 +0000 Bluetooth: switch to lock_sock in RFCOMM bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16f90ffe300000 start commit: 29ce8f970107 Merge git://git.kernel.org/pub/scm/linux/kern.. git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=15f90ffe300000 console output: https://syzkaller.appspot.com/x/log.txt?x=11f90ffe300000 kernel config: https://syzkaller.appspot.com/x/.config?x=d2f9d4c9ff8c5ae7 dashboard link: https://syzkaller.appspot.com/bug?extid=7d51f807c81b190a127d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1630a66d300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16d07c6d300000 Reported-by: syzbot+7d51f807c81b190a127d@syzkaller.appspotmail.com Fixes: b7ce436a5d79 ("Bluetooth: switch to lock_sock in RFCOMM") For information about bisection process see: https://goo.gl/tpsmEJ#bisection