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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 2ACA5C4332D for ; Fri, 20 Mar 2020 14:28:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C84F2070A for ; Fri, 20 Mar 2020 14:28:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727490AbgCTO2G (ORCPT ); Fri, 20 Mar 2020 10:28:06 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:34273 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727461AbgCTO2F (ORCPT ); Fri, 20 Mar 2020 10:28:05 -0400 Received: by mail-io1-f70.google.com with SMTP id n26so4733658iop.1 for ; Fri, 20 Mar 2020 07:28:03 -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=V3eZ0Q2sozWnNVeRof3nsCb56+obGL4I8lV01F1qBnw=; b=IU5UamHzsXdf0MUwIokmpFtQm42KA1yNtK+KQl15OzSqwsemkOowX8USz+szk47cA5 EIvZB4aasJ3G8AxB5mDM7lYTINihoasE9M9PU8ZiVy2DGKV0V1IS18nArnoDL8Ozi+Ed Z7DDNhSzsqlUfNJYtxFwGuOc9Wvc+xAej6rf32bejjmvaQ1Ogqyzt7SV30fc4zF1heMP bFbbj6yQsz7h7qLk9vvhIKhBVC9wRlJ7FjZYJFneqSINKY6TKl7XpxMMXPRgrwSBT5SZ qk7bRQrI7XpbkBFuN8UKG4sVV0nixfbLEzqDbxhghQ1MNFZ1dCknfDxNyoKPK/VzSqPU 3CAw== X-Gm-Message-State: ANhLgQ3wEySj9T0evtxCXcveCqbeckggnPyaIKea9uAC1H4xkD9RneV8 LdJFR1haAFhMFzRzkWoiaFxrDb7O+WL9kr6uagQVvHPAHuRQ X-Google-Smtp-Source: ADFU+vs8Llim/P/NcDrRl0rA9xDffc9w+ks14520WpdyQ2KMPPDXKIdigsLz5Hd/lFxeKcOVJou3SzJdzLJ5COhOBHpYl/hSWQAs MIME-Version: 1.0 X-Received: by 2002:a92:2911:: with SMTP id l17mr8982118ilg.166.1584714482967; Fri, 20 Mar 2020 07:28:02 -0700 (PDT) Date: Fri, 20 Mar 2020 07:28:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d3ee8f05a14a17f4@google.com> Subject: Re: WARNING: refcount bug in sctp_wfree From: syzbot To: anenbupt@gmail.com, davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, marcelo.leitner@gmail.com, netdev@vger.kernel.org, nhorman@tuxdriver.com, syzkaller-bugs@googlegroups.com, vyasevich@gmail.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 Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+cea71eec5d6de256d54d@syzkaller.appspotmail.com Tested on: commit: a8a7ac16 sctp: fix refcount bug in sctp_wfree git tree: https://github.com/hqj/hqjagain_test.git sctp_wfree_refcount_bug kernel config: https://syzkaller.appspot.com/x/.config?x=a5295e161cd85b82 dashboard link: https://syzkaller.appspot.com/bug?extid=cea71eec5d6de256d54d compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) Note: testing is done by a robot and is best-effort only.