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 24CADC2BD09 for ; Mon, 9 Dec 2019 06:20:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 050302071E for ; Mon, 9 Dec 2019 06:20:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726960AbfLIGUC (ORCPT ); Mon, 9 Dec 2019 01:20:02 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:46620 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726343AbfLIGUC (ORCPT ); Mon, 9 Dec 2019 01:20:02 -0500 Received: by mail-io1-f69.google.com with SMTP id b186so10032291iof.13 for ; Sun, 08 Dec 2019 22:20:01 -0800 (PST) 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=ib3fib3sKuBIkbtv5x2t+C/s5FzxvHK11gS8z3pdu9M=; b=Hx3wLD5AzTOdwGqGw6K1c5u2jIB2IatD1WsYQrJympANWQFdsOUtbybSHQPpSWrrfy tAAuqLqzUys4Dm2IACkCdoJZLH9xQ42OjvjFXqghWOREUonPo6ep+BJoQLNZnu0oIJpC 5zQAJMh1VDV2czCtVC3HafvQ94qfm6OXOgcQG+pzGpDYji8lJdJaeESfB9WH/FUGU6l8 IRGzqEHCIof5k8NentXXuvpfE0nBHPPkaviyC9Aqmrte+9EQ4xM9Moqx0CQLdQYxiPPp GEQQ8fwjzWC1PpCgjGjc4rNiThE69E1HGhmGlrZsKnvH0V/qVRyyxEraAGtioaHVCi3c 0rZA== X-Gm-Message-State: APjAAAVly67CpEFmz0/1Sp2/H0mXN1RAyOi+MuzVYVm+mi5f0hMER6Wq evFiXYYyBPdvDH2G2iSKrvKjVyFZvk5I9q2o6O/8UIqug0NY X-Google-Smtp-Source: APXvYqxt5xSP7tbAVzuFhg+Ac4ya+TgZhTpk2Zr7W851b8K8a2VkPVv4m82Tfhoq72Q7Q0DHIeS8xNIuP9bQPMwA3Lj5vvagzqgz MIME-Version: 1.0 X-Received: by 2002:a92:3984:: with SMTP id h4mr25241387ilf.36.1575872401339; Sun, 08 Dec 2019 22:20:01 -0800 (PST) Date: Sun, 08 Dec 2019 22:20:01 -0800 In-Reply-To: <000000000000bcd434057f4eb905@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b17fae05993f628b@google.com> Subject: Re: WARNING in tty_set_termios From: syzbot To: gregkh@linuxfoundation.org, gustavo@padovan.org, johan.hedberg@gmail.com, jslaby@suse.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, loic.poulain@intel.com, marcel@holtmann.org, mhjungk@gmail.com, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, vdronov@redhat.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org syzbot suspects this bug was fixed by commit: commit b36a1552d7319bbfd5cf7f08726c23c5c66d4f73 Author: Vladis Dronov Date: Tue Jul 30 09:33:45 2019 +0000 Bluetooth: hci_uart: check for missing tty operations bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10b20aeae00000 start commit: 66c56cfa Merge tag 'remove-dma_zalloc_coherent-5.0' of git.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=b05cfdb4ee8ab9b2 dashboard link: https://syzkaller.appspot.com/bug?extid=a950165cbb86bdd023a4 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=121cee07400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16fdaed8c00000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: Bluetooth: hci_uart: check for missing tty operations For information about bisection process see: https://goo.gl/tpsmEJ#bisection