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=-4.0 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 1B96FC43461 for ; Fri, 4 Sep 2020 14:44:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EEBDE206F2 for ; Fri, 4 Sep 2020 14:44:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730476AbgIDOoO (ORCPT ); Fri, 4 Sep 2020 10:44:14 -0400 Received: from mail-il1-f207.google.com ([209.85.166.207]:55616 "EHLO mail-il1-f207.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730429AbgIDOoK (ORCPT ); Fri, 4 Sep 2020 10:44:10 -0400 Received: by mail-il1-f207.google.com with SMTP id a15so4910691ilb.22 for ; Fri, 04 Sep 2020 07:44:09 -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=GE20mkCJFx34V9csXbBi5MpSPEm23j5O5gEKMXhuGs4=; b=UKb5NeYDUSnrcBTcmbefyWkh6+YhP7+rLaPE3KMCOoOm0JukAB4TstBYIWKJ62mTMl k/tiWPDI4v3k0005Bvav3JWy1P3dmDiFp4ZkBq9bAAuNYuLWmV4OXlZ0jgxjJqhm1La5 76jitARWSO3DCPRpmyx/nvxn6dQjkJpqF0C8XxpcO22fM9+FRLKERRIj/dVw+9ph4i27 FWy6EPWXYXzKM9JZNf8lOZuAKLLmvGUHnRgBrvZCv7NQCLs+b73qqPvwq2KxddsTO4+N jRRs2AZrrRgPbOXuumdxyssGM1DyQaBsYNzOgA3NdVLhXeCGCC94Idf+spcx6CAYl/HU jhaA== X-Gm-Message-State: AOAM5317VYJGdsS6uu4VgMbD+NHRqNgNQk/ulUW0Gc9E19BZdol8ECVb xgx1jrivBdSVm9hSzmzukkvrqWMurOKCj/xRDcZsrqhStA6l X-Google-Smtp-Source: ABdhPJxZCmzJJSBtD6oipaJudDBJ1GQFFB0c3Y+RmR7v/iFXEsAA2X6Ph+jfCB/546LXa6E6JWGbeRIObehShZ2GPeZnQjV295Tv MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1303:: with SMTP id g3mr4832562ilr.218.1599230649567; Fri, 04 Sep 2020 07:44:09 -0700 (PDT) Date: Fri, 04 Sep 2020 07:44:09 -0700 In-Reply-To: <00000000000055e1a9059f9e169f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c8101605ae7de686@google.com> Subject: Re: KASAN: use-after-free Write in refcount_warn_saturate From: syzbot To: abhishekpandit@chromium.org, alainm@chromium.org, davem@davemloft.net, johan.hedberg@gmail.com, johan.hedberg@intel.com, josua.mayer@jm0.eu, jukka.rissanen@linux.intel.com, keescook@chromium.org, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, mcchou@chromium.org, mike@foundries.io, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot suspects this issue was fixed by commit: commit b83764f9220a4a14525657466f299850bbc98de9 Author: Miao-chen Chou Date: Tue Jun 30 03:15:00 2020 +0000 Bluetooth: Fix kernel oops triggered by hci_adv_monitors_clear() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10f92e3e900000 start commit: c0842fbc random32: move the pseudo-random 32-bit definitio.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=cf567e8c7428377e dashboard link: https://syzkaller.appspot.com/bug?extid=7dd7f2f77a7a01d1dc14 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15b606dc900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=123e87cc900000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: Bluetooth: Fix kernel oops triggered by hci_adv_monitors_clear() For information about bisection process see: https://goo.gl/tpsmEJ#bisection