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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT 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 54BACCA9EBD for ; Fri, 25 Oct 2019 13:42:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2218A2054F for ; Fri, 25 Oct 2019 13:42:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=metanetworks.com header.i=@metanetworks.com header.b="ZhDSnzfh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2504859AbfJYNmj (ORCPT ); Fri, 25 Oct 2019 09:42:39 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:33458 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2504824AbfJYNmi (ORCPT ); Fri, 25 Oct 2019 09:42:38 -0400 Received: by mail-wr1-f65.google.com with SMTP id s1so2438615wro.0 for ; Fri, 25 Oct 2019 06:42:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=metanetworks.com; s=google; h=from:to:cc:subject:date:message-id; bh=RZsFj5mSHLDPjjfjXJ3TNXEUO7OqHqp8fru+xxws/tM=; b=ZhDSnzfh7B4uJ62zsXaqVGW4Au8iBBJ1wUiRaOIF6Kr16ReGw0YtsXjRWZ2u0IEQdm oQNaboyIeHxbkZT8bHZFa8IuVS0m0xWrOzhYOZtybO4qiMtvIEv1EMufeRIy4YykT2zy bV6uYl3YfCHfPzc1m23eY5Mce79GisIWGMjT0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=RZsFj5mSHLDPjjfjXJ3TNXEUO7OqHqp8fru+xxws/tM=; b=hIEQI4Yz9ABJLCnMIzLqkqNtERjNHlQ2zJp3CRv1z31p3zTsyS4YTKyScMGDC6S3bp Modpt+2u7XR0Glz7wetN6RtQHdHU0sTmF4x2x7J3LuNPy4Rx2LFSb7H8V/7iyUiZMQor IxyqoDUZ26L97XgfZ6escsqNLT7XRU7NR7Zse7R+xfbWZND0FBv3NObhJ9JRRhujdWiw nHy+tICETTOqS0R6SgCk6qlet36MbQ0DdBbukV/ez0yZRRavokQ+8ywuiyDYY1+i6Ecz stIeu7dUMXGxLPLnjbO0bcBTEkjjWY3GWieIKBVnzrW7154gz4P5JyaBR32RfD5Dk7ku 245w== X-Gm-Message-State: APjAAAXP7psoDTjMAPO9ZSwL6YBoW1qeGGqYMzMB7mGZSSM4YfB+F3up NcWYMSdGzLk00lyUfo950X0ke5ohckcnvw== X-Google-Smtp-Source: APXvYqxJeHJ5GOyx5hF2JJ8W4vj16avyKvi1nOvY1+NwCXXu789wK5brJvb+yEKmgatOE1vZnZ9Ijw== X-Received: by 2002:adf:9bdc:: with SMTP id e28mr2980294wrc.309.1572010956910; Fri, 25 Oct 2019 06:42:36 -0700 (PDT) Received: from localhost.localdomain ([94.230.83.169]) by smtp.gmail.com with ESMTPSA id v11sm2194730wrw.97.2019.10.25.06.42.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Oct 2019 06:42:36 -0700 (PDT) From: Shmulik Ladkani X-Google-Original-From: Shmulik Ladkani To: Daniel Borkmann Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, Shmulik Ladkani Subject: [PATCH bpf-next 0/2] test_bpf: Add an skb_segment test for a linear head_frag=0 skb whose gso_size was mangled Date: Fri, 25 Oct 2019 16:42:21 +0300 Message-Id: <20191025134223.2761-1-shmulik.ladkani@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add a reproducer test that mimics the input skbs that lead to the BUG_ON in skb_segment() which was fixed by commit 3dcbdb134f32 ("net: gso: Fix skb_segment splat when splitting gso_size mangled skb having linear-headed frag_list"). Shmulik Ladkani (2): test_bpf: Refactor test_skb_segment() to allow testing skb_segment() on numerous different skbs test_bpf: Introduce 'gso_linear_no_head_frag' skb_segment test lib/test_bpf.c | 112 +++++++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 103 insertions(+), 9 deletions(-) -- 2.17.1