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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 1AE52C2D0C3 for ; Sat, 28 Dec 2019 03:16:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EBA76208C4 for ; Sat, 28 Dec 2019 03:16:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726460AbfL1DQC (ORCPT ); Fri, 27 Dec 2019 22:16:02 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:33083 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725957AbfL1DQC (ORCPT ); Fri, 27 Dec 2019 22:16:02 -0500 Received: by mail-il1-f198.google.com with SMTP id s9so1163052ilk.0 for ; Fri, 27 Dec 2019 19:16:02 -0800 (PST) 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=tENWWAE27YTP2yqe1cfIcG9EDWGCKbHOtQOZmBsBGGY=; b=OQbv+jGYpDaOPTLUvQrAPPz+vaS5NafgELY9aAnoSLyLq6BQnXJCUC6T0UfBit37Il CZfNTxVm1DZaGY85OnDYUrjrCfKt3w8S10/e6aLwvjKzOExi87hN3EQiG9KHlTxVm0vs vRbwvIa+ogIYy87ZDkXE420TLdEJvGpvdEqj7HRqkib+dpOWb1InBuOL1BhowumrFseb n2LwGBQI9EvD2RQtY37ZAGnF0Wp2ZqkDRqRdZGePjgZvH+cquy8vrv1kni9CbpVXoUo1 nRkxEl2jOuXAzwBEs334q3Pe4DSUZeh0/vovPoi0oUOuI0wYmLAxL2tdWQxV7hvBz60E 3OaQ== X-Gm-Message-State: APjAAAUfOpjbE75i+QXqf6v6INUP7j2WvyiAEs/qBVIaJLU3rYj+n33O kZtU/jANFmPbpF/tFmcHulX5NGDqWSnN27QlTMFxqCRe61qn X-Google-Smtp-Source: APXvYqxY9e4ExCKBaEkRVOc0Gz/ijRbw/6DBPk1AZLfsryIA7+WPJ0/IOYZQU5ZmHPFx8KUtYJLK3dewq52wTtd7Gg6W58geGSRn MIME-Version: 1.0 X-Received: by 2002:a92:89c2:: with SMTP id w63mr46971728ilk.252.1577502961862; Fri, 27 Dec 2019 19:16:01 -0800 (PST) Date: Fri, 27 Dec 2019 19:16:01 -0800 In-Reply-To: <089e0825d4a4d2cb2a0562e878f1@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ac9246059abb072c@google.com> Subject: Re: possible deadlock in sch_direct_xmit From: syzbot To: ap420073@gmail.com, davem@davemloft.net, ecree@solarflare.com, edumazet@google.com, jhs@mojatatu.com, jiri@mellanox.com, jiri@resnulli.us, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, lucien.xin@gmail.com, mcroce@redhat.com, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot suspects this bug was fixed by commit: commit 323ebb61e32b478e2432c5a3cbf9e2ca678a9609 Author: Edward Cree Date: Tue Aug 6 13:53:55 2019 +0000 net: use listified RX for handling GRO_NORMAL skbs bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14647ab9e00000 start commit: c92a9a46 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=46986c099cb53bc6 dashboard link: https://syzkaller.appspot.com/bug?extid=29cc278357da941e304e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=143636c9800000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16856849800000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: net: use listified RX for handling GRO_NORMAL skbs For information about bisection process see: https://goo.gl/tpsmEJ#bisection