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 autolearn=ham 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 EDB06C433DF for ; Tue, 4 Aug 2020 05:53:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 06BFB20781 for ; Tue, 4 Aug 2020 05:53:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729763AbgHDFxG (ORCPT ); Tue, 4 Aug 2020 01:53:06 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:38546 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728605AbgHDFxG (ORCPT ); Tue, 4 Aug 2020 01:53:06 -0400 Received: by mail-io1-f72.google.com with SMTP id a65so19452546iog.5 for ; Mon, 03 Aug 2020 22:53:05 -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=BRdtTRPOEaQKBrhbJMVyVg8f+gg0wNhNpfaLQFbDwIc=; b=buy2W0y2p15Yqz13ZyvcUWRWOZtsh4La0NXPZtSrxWEGeKzVZW0Mfcn95UXAdo7s+d 7ruCh48qvh68PO2EEJmir6ZXN86+yLgQxaQF3n5NxQ0q2Injl7zCcbLEx1SPPLucHNj/ Ro4d1HTyMZQyUO8WyiFxkKX0jYGhCKDITnSKI2EjJh0Zu0MBvkVw4GGOtpmaC+Rr+CBm ZmHY45owN0vJ17aAzWL5KnVGzEwCdk8Jmre14M4KKzNSQi83XgGm1i3Mz+/7fa2CozB4 cGRQJTssZZ2G6mjwziYfZI/tUuCxIPjkO82gixiu8JthiPkgoNo/1vnzX4qHIIv76fTl Uv+Q== X-Gm-Message-State: AOAM5325A+Tqenn6KVFgDkVYRzGjY3G74mb9r8r03+w92TPjg8clcde1 tcGvW0EUxeWyuRQna7BYY6b2UrzwGJeYR5xMr83jMA1xthN8 X-Google-Smtp-Source: ABdhPJzEkoMCbnNdFUe97FE5HM517BQ0ax1yAE9KKbwZVWX1mKbnq4Vi7DM1AkTvDXzbANiqrkZroxhk4raf2RYgrw3J8jVZ61+P MIME-Version: 1.0 X-Received: by 2002:a6b:e216:: with SMTP id z22mr3305588ioc.97.1596520385235; Mon, 03 Aug 2020 22:53:05 -0700 (PDT) Date: Mon, 03 Aug 2020 22:53:05 -0700 In-Reply-To: <0000000000003d6e8405abeb1da7@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000070529b05ac06deaa@google.com> Subject: Re: KASAN: use-after-free Read in hci_send_acl From: syzbot To: a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, johan.hedberg@gmail.com, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, mareklindner@neomailbox.ch, michael.chan@broadcom.com, netdev@vger.kernel.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 4ffcd582301bd020b1f9d00c55473af305ec19b5 Author: Michael Chan Date: Mon Sep 19 07:58:07 2016 +0000 bnxt_en: Pad TX packets below 52 bytes. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=167b0f04900000 start commit: ac3a0c84 Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=157b0f04900000 console output: https://syzkaller.appspot.com/x/log.txt?x=117b0f04900000 kernel config: https://syzkaller.appspot.com/x/.config?x=c0cfcf935bcc94d2 dashboard link: https://syzkaller.appspot.com/bug?extid=98228e7407314d2d4ba2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=152f1904900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1482dfca900000 Reported-by: syzbot+98228e7407314d2d4ba2@syzkaller.appspotmail.com Fixes: 4ffcd582301b ("bnxt_en: Pad TX packets below 52 bytes.") For information about bisection process see: https://goo.gl/tpsmEJ#bisection