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=-9.0 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 90C10C433DF for ; Mon, 3 Aug 2020 17:08:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 785A720A8B for ; Mon, 3 Aug 2020 17:08:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728133AbgHCRIH (ORCPT ); Mon, 3 Aug 2020 13:08:07 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:54871 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726998AbgHCRIH (ORCPT ); Mon, 3 Aug 2020 13:08:07 -0400 Received: by mail-il1-f198.google.com with SMTP id a17so6265786ilb.21 for ; Mon, 03 Aug 2020 10:08:06 -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=Uagz7c3ZVrQ4AmBTqTiRjiEhG5PZlj6ITpIEOjqwLlk=; b=B4EmXSNa8lMYbvXln17VNBYX9C4Hc7lX/wA9W0VSng9yBwsWZlaUAaz9VQ85m7wStj aSSBBUG9LVh99YEjw7qwO1fFoPtK2XdUTG7IAospx+m+u5hyjHt1GcaIYQn+EExOa+zp gO0r4A8ZRRmqKopiyreoA03yAizQG4lsdsXW0eWSup3a+Xjr0s3EKoQBw5egesHDJeCn J18tmtJs6NY5htPz6XLJqkzO1DnNYFm4zArySfmK5UfzJKnMRJs5oOGcaeDgEUOx3qEJ q4dRWazSsVI3cNra0fd4QdatgHgEalIl0AsXD3Kssrx1f0Uo2phMZKGbIp/ZjBl3mLJP p62g== X-Gm-Message-State: AOAM531d58MFYSdfJJOGST42XgpG2TCDIgRAMvZtOgwMQbcY+FNTQXwr YPtM3AUFM9yiwzwLfUKenh265Ds6NPw7hYtzE6UTWBiR/LJI X-Google-Smtp-Source: ABdhPJwUoO2AGC6UR45bmv6qFFKyJ8ndp7XrS1e6QhsHYtzpbvYwfQUycvap8dTkeAspF89iKUlUGDNf8nhiIGlpOp1dgS5vlqxA MIME-Version: 1.0 X-Received: by 2002:a6b:bb43:: with SMTP id l64mr795486iof.191.1596474486108; Mon, 03 Aug 2020 10:08:06 -0700 (PDT) Date: Mon, 03 Aug 2020 10:08:06 -0700 In-Reply-To: <000000000000adea7f05abeb19cf@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a335a405abfc2e1e@google.com> Subject: Re: KASAN: use-after-free Read in hci_chan_del From: syzbot To: coreteam@netfilter.org, davem@davemloft.net, devel@driverdev.osuosl.org, eric@anholt.net, gregkh@linuxfoundation.org, johan.hedberg@gmail.com, kaber@trash.net, kadlec@blackhole.kfki.hu, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.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 has bisected this issue to: commit 166beccd47e11e4d27477e8ca1d7eda47cf3b2da Author: Eric Anholt Date: Mon Oct 3 18:52:06 2016 +0000 staging/vchi: Convert to current get_user_pages() arguments. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=178321a4900000 start commit: 5a30a789 Merge tag 'x86-urgent-2020-08-02' of git://git.ke.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=144321a4900000 console output: https://syzkaller.appspot.com/x/log.txt?x=104321a4900000 kernel config: https://syzkaller.appspot.com/x/.config?x=e59ee776d5aa8d55 dashboard link: https://syzkaller.appspot.com/bug?extid=305a91e025a73e4fd6ce syz repro: https://syzkaller.appspot.com/x/repro.syz?x=127dd914900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=122a94ec900000 Reported-by: syzbot+305a91e025a73e4fd6ce@syzkaller.appspotmail.com Fixes: 166beccd47e1 ("staging/vchi: Convert to current get_user_pages() arguments.") For information about bisection process see: https://goo.gl/tpsmEJ#bisection