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=-3.8 required=3.0 tests=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 664A9C43603 for ; Thu, 19 Dec 2019 21:20:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 412EE222C2 for ; Thu, 19 Dec 2019 21:20:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727185AbfLSVUA (ORCPT ); Thu, 19 Dec 2019 16:20:00 -0500 Received: from www62.your-server.de ([213.133.104.62]:59520 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726908AbfLSVT7 (ORCPT ); Thu, 19 Dec 2019 16:19:59 -0500 Received: from 31.249.197.178.dynamic.dsl-lte-bonding.lssmb00p-msn.res.cust.swisscom.ch ([178.197.249.31] helo=localhost) by www62.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1ii3DC-00058I-2U; Thu, 19 Dec 2019 22:19:58 +0100 From: Daniel Borkmann To: ast@kernel.org Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, Daniel Borkmann Subject: [PATCH bpf 0/2] Fix record_func_key to perform backtracking on r3 Date: Thu, 19 Dec 2019 22:19:49 +0100 Message-Id: X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.101.4/25668/Thu Dec 19 10:55:58 2019) Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Fixes pruning behavior when record_func_key() is used. See main description in patch 1, test cases added in patch 2. Thanks! Daniel Borkmann (2): bpf: Fix record_func_key to perform backtracking on r3 bpf: Add further test_verifier cases for record_func_key kernel/bpf/verifier.c | 8 +- tools/testing/selftests/bpf/test_verifier.c | 43 ++--- .../selftests/bpf/verifier/ref_tracking.c | 6 +- .../selftests/bpf/verifier/runtime_jit.c | 151 ++++++++++++++++++ 4 files changed, 183 insertions(+), 25 deletions(-) -- 2.21.0