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 7505DC433F5 for ; Thu, 28 Apr 2022 11:32:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345529AbiD1LfW (ORCPT ); Thu, 28 Apr 2022 07:35:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234872AbiD1LfV (ORCPT ); Thu, 28 Apr 2022 07:35:21 -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 87CF31DA46 for ; Thu, 28 Apr 2022 04:32:07 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id g16-20020a05660203d000b005f7b3b0642eso4235416iov.16 for ; Thu, 28 Apr 2022 04:32:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=OLJAFGzDsMJJ4vQznge540lOuDzmbTYygXPQSl9cRbQ=; b=RgCAmGCdHLiNwVCJRrTTAd8BHZPjRuTjdMc2Ib80QLDqMGjhLRS4ihwg0KfYIPoS/u cMmMsNpbJM44+xHOgN9Q48k19HEzT3vU9r8MqoOAarcjTnptneZiaXeKNlS2t5jRgtch 73T5KxD6WDZSupo8tUn5Xqr+PmA+zBrowkNz3TrTKywbVqZOOwnAsiHVMaiYmvegF9cF hxgxtH9YxLfIMtgXH/lTdSVm9rMvJ/Fahp0kjCoVTVA7FH4Wiew6kHo91b/2NasYW6y3 QTVs0lCF3rUb6rR6WI4fmyi8+venBbNCIFr9nF2BZ6J7uSr1RgNv7PL6rWRiEPJD5Cgh auiw== X-Gm-Message-State: AOAM530+AN09/NRzw7MZAkfEthG2KOqu4ZkA2ou7wB73izv2PORPfVwL q07VeFgUWb7j6qvKtYIcivNlpxaVsF9HPq8hdvknPQ1ewm70 X-Google-Smtp-Source: ABdhPJxAB0syNAAGUZ1g96hnh6vV4104IOqaj5OdTdHHn6UlNjjQtYhmf+CWQ5O28oTueITCCnG3U8t1lGf+LO7u83qZ5Ixvnhkl MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20eb:b0:2cd:83e9:b910 with SMTP id q11-20020a056e0220eb00b002cd83e9b910mr10188255ilv.185.1651145526916; Thu, 28 Apr 2022 04:32:06 -0700 (PDT) Date: Thu, 28 Apr 2022 04:32:06 -0700 In-Reply-To: <000000000000af7f9905da904400@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009abe0e05ddb546f6@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in dst_destroy From: syzbot To: davem@davemloft.net, edumazet@google.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, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, weiwan@google.com, yajun.deng@linux.dev Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this issue to: commit d16e6d19ccc6d3aa6b96d6a8fdb9e04fb9dffdbd Author: Luiz Augusto von Dentz Date: Wed Oct 6 01:09:33 2021 +0000 Bluetooth: hci_vhci: Fix calling hci_{suspend,resume}_dev bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14d40c1f700000 start commit: 03fa8fc93e44 Merge branch 'remove-virt_to_bus-drivers' git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16d40c1f700000 console output: https://syzkaller.appspot.com/x/log.txt?x=12d40c1f700000 kernel config: https://syzkaller.appspot.com/x/.config?x=6e95eee1a1aa4fb4 dashboard link: https://syzkaller.appspot.com/bug?extid=736f4a4f98b21dba48f0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1239a4e4f00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13a4b3b8f00000 Reported-by: syzbot+736f4a4f98b21dba48f0@syzkaller.appspotmail.com Fixes: d16e6d19ccc6 ("Bluetooth: hci_vhci: Fix calling hci_{suspend,resume}_dev") For information about bisection process see: https://goo.gl/tpsmEJ#bisection