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=-3.7 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 3B16BC4320E for ; Sat, 28 Aug 2021 18:32:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2321E60E9B for ; Sat, 28 Aug 2021 18:32:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231161AbhH1SdC (ORCPT ); Sat, 28 Aug 2021 14:33:02 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:49761 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230298AbhH1SdB (ORCPT ); Sat, 28 Aug 2021 14:33:01 -0400 Received: by mail-il1-f199.google.com with SMTP id a15-20020a92444f000000b0022473393120so6204308ilm.16 for ; Sat, 28 Aug 2021 11:32:10 -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=up8sbinmdfW5FEk6l6npSbM0ylrChylbR3vjt8i49Xs=; b=bDhLcMB8WdsdMjVeTK2V8JIx+RYTZLan+r3UF0nNIRWBvK6IlpX9Jw52mNImBY9Tcu y4O1nuLlLH/tgLeJ07J0hw2QTjfjBd663M6BSbXSk36zJa3QdH//1KZoBBTxHSGo2I7M FoBJK+ICHC0yE2m1G37/ptIf4LMWn+JMbXuEJDHw4l7Th8LsmvoRe8PlnrEk0xw5scsD ADNCk46f+QRvB9n5NPZYTqTnvNLEHfjftzq4UF4XK8LvXUjoZGXS2COAnKFA/jUB6vhq GFpUZZC/uJ7f15JhLpfbxeQNT4bdH5Tkmo4iVzcv0l02hkhP2vg8gbYBMZBnVFRLmDwv CIwA== X-Gm-Message-State: AOAM533Cv2Hb49p5smVXKId0HDmUYUA38ihlzjRlMYCWdFv/+w4yDiW0 8nlx3Y+Jgv+S5iVx0jqXIt55T/3mwrQ6mTGZXTVA0Hj+i0b7 X-Google-Smtp-Source: ABdhPJz+Yyr5HRroDxrfkjQQ5ziL5gBeIlEZ7KitgTECC5WrydwZTAne5hlTp3U9EC17zAoYBcRj22iKM9omVjv0Oo7cv7/OiVjq MIME-Version: 1.0 X-Received: by 2002:a92:280d:: with SMTP id l13mr10827952ilf.99.1630175530430; Sat, 28 Aug 2021 11:32:10 -0700 (PDT) Date: Sat, 28 Aug 2021 11:32:10 -0700 In-Reply-To: <000000000000b575ab05aebfc192@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000069bb3e05caa2d1f8@google.com> Subject: Re: [syzbot] WARNING: refcount bug in qrtr_node_lookup From: syzbot To: anant.thazhemadam@gmail.com, bjorn.andersson@linaro.org, butterflyhuangxx@gmail.com, davem@davemloft.net, dragonjetli@gmail.com, hdanton@sina.com, kuba@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, linux-kernel@vger.kernel.org, mani@kernel.org, manivannan.sadhasivam@linaro.org, masahiroy@kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 7e78c597c3ebfd0cb329aa09a838734147e4f117 Author: Xiaolong Huang Date: Thu Aug 19 19:50:34 2021 +0000 net: qrtr: fix another OOB Read in qrtr_endpoint_post bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11279a4d300000 start commit: ba4f184e126b Linux 5.9-rc6 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=af502ec9a451c9fc dashboard link: https://syzkaller.appspot.com/bug?extid=c613e88b3093ebf3686e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12263dd9900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13d77603900000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: net: qrtr: fix another OOB Read in qrtr_endpoint_post For information about bisection process see: https://goo.gl/tpsmEJ#bisection