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=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 9A307C43331 for ; Thu, 26 Mar 2020 21:25:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 71F9D20714 for ; Thu, 26 Mar 2020 21:25:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727593AbgCZVZC (ORCPT ); Thu, 26 Mar 2020 17:25:02 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:42203 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726359AbgCZVZC (ORCPT ); Thu, 26 Mar 2020 17:25:02 -0400 Received: by mail-io1-f71.google.com with SMTP id k25so6586640iob.9 for ; Thu, 26 Mar 2020 14:25:02 -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=R0UtT0wl+/DHJxOHjaoWbQcF3VR+MnxFmO8PugCJFXM=; b=B+rMHjXEgc3eMSw412owrCUZh3CVpoLmJm3BcZSOPRjCUj1/tdgLue1zL7s4f0zI05 FuaPPiCAAElU9bfUHWUJkxTDbR6i//j950IjIbt0DDDJEa2G3AVq+Z9UKgeEK4U9rOHd s3YwNjiw9htUyOgiV7no0Yf+y47iqjwQzpN4sA1eklWsKXocPGkXPToSswYHpZaIMqZJ 2DDUT+/JcMXQwgBle3D/xE3fuJCC2Z80elcYd2+zDnqJFBatRgRTc85AwOQPLawKLZQx zswAszsRxlVUScnUSZZLCIT/oTXSs3mAvdVp49tzjWttGTcTy+GnYS3UqToPP4lKwjaz S5/Q== X-Gm-Message-State: ANhLgQ0ry3aeH7CoucERoZDQ3zeM2VlHNmW5yh2udLDwyrKh3nt73bED bwR9xd1K+T5MJmB9tavK+DYxMkuJEPkFsWy9FOlQUrzFIZyU X-Google-Smtp-Source: ADFU+vuq1ZdA15x+aWbKAF5XR3OUgPZocunA3rxU2f2eixsCPsTJVpYHE8hrML1m+H2C0/QHibYoQEO8qicie9S7k8eG7C6Y0h32 MIME-Version: 1.0 X-Received: by 2002:a05:6638:3a4:: with SMTP id z4mr9602598jap.141.1585257901712; Thu, 26 Mar 2020 14:25:01 -0700 (PDT) Date: Thu, 26 Mar 2020 14:25:01 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001bedcf05a1c89e96@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: 9420e8ad Merge tag 'for-linus' of git://git.kernel.org/pub.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=4ac76c43beddbd9 dashboard link: https://syzkaller.appspot.com/bug?extid=cea71eec5d6de256d54d compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) patch: https://syzkaller.appspot.com/x/patch.diff?x=1670bfbbe00000 Note: testing is done by a robot and is best-effort only.