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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 482B4C46467 for ; Wed, 11 Jan 2023 10:13:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238220AbjAKKNJ (ORCPT ); Wed, 11 Jan 2023 05:13:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238742AbjAKKM2 (ORCPT ); Wed, 11 Jan 2023 05:12:28 -0500 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1FA57D6B for ; Wed, 11 Jan 2023 02:12:01 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 690CBCE1AA2 for ; Wed, 11 Jan 2023 10:11:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1C8C3C433EF; Wed, 11 Jan 2023 10:11:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673431917; bh=4bKaK2zLXESHKi43ChDclvB+QiofVA67MwSl7Xi5zcA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L/TqRJEkT+SWI4dm6Z1E0e+q4QPK0ywjCYuA3G7wH+bFOU68AHhEaPG8EeR1HSwy/ B7/7XZEAVcAbKEnywYTbQhj6l8vGTFHuDaqtf7ufVOJDxp6k6IMWRjkYfA+lGfc6ub Ln+kchPu5FiHhb9DS8uX4ufn2TeRgm2YUTmdcSZB3gkqOQ12rerH9E4oFqvzBD4JtN PDkKC012xqUehe6sSxF4AkghKRwWsa+d/3F/IEOo8qCvXKWJqLRS+5McqkwaHglThw 7q/u+aFX1DvMZDdA76WJqwuBaoMIctVT3m+bO6V/w3Leirgsw7yG2BEArghw7dv441 kRu8D5lGM0org== From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo Subject: [PATCHv2 bpf-next 2/2] bpf/selftests: Add verifier tests for loading sleepable programs Date: Wed, 11 Jan 2023 11:11:42 +0100 Message-Id: <20230111101142.562765-2-jolsa@kernel.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230111101142.562765-1-jolsa@kernel.org> References: <20230111101142.562765-1-jolsa@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Adding verifier tests for loading all types od allowed sleepable programs plus reject for tp_btf type. Signed-off-by: Jiri Olsa --- .../selftests/bpf/verifier/sleepable.c | 91 +++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 tools/testing/selftests/bpf/verifier/sleepable.c diff --git a/tools/testing/selftests/bpf/verifier/sleepable.c b/tools/testing/selftests/bpf/verifier/sleepable.c new file mode 100644 index 000000000000..15da44f7ac8a --- /dev/null +++ b/tools/testing/selftests/bpf/verifier/sleepable.c @@ -0,0 +1,91 @@ +{ + "sleepable fentry accept", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_TRACING, + .expected_attach_type = BPF_TRACE_FENTRY, + .kfunc = "bpf_fentry_test1", + .result = ACCEPT, + .flags = BPF_F_SLEEPABLE, + .runs = -1, +}, +{ + "sleepable fexit accept", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_TRACING, + .expected_attach_type = BPF_TRACE_FENTRY, + .kfunc = "bpf_fentry_test1", + .result = ACCEPT, + .flags = BPF_F_SLEEPABLE, + .runs = -1, +}, +{ + "sleepable fmod_ret accept", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_TRACING, + .expected_attach_type = BPF_MODIFY_RETURN, + .kfunc = "bpf_fentry_test1", + .result = ACCEPT, + .flags = BPF_F_SLEEPABLE, + .runs = -1, +}, +{ + "sleepable iter accept", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_TRACING, + .expected_attach_type = BPF_TRACE_ITER, + .kfunc = "task", + .result = ACCEPT, + .flags = BPF_F_SLEEPABLE, + .runs = -1, +}, +{ + "sleepable lsm accept", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_LSM, + .kfunc = "bpf", + .expected_attach_type = BPF_LSM_MAC, + .result = ACCEPT, + .flags = BPF_F_SLEEPABLE, + .runs = -1, +}, +{ + "sleepable kprobe/uprobe accept", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_KPROBE, + .kfunc = "bpf_fentry_test1", + .result = ACCEPT, + .flags = BPF_F_SLEEPABLE, + .runs = -1, +}, +{ + "sleepable raw tracepoint reject", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .prog_type = BPF_PROG_TYPE_TRACING, + .expected_attach_type = BPF_TRACE_RAW_TP, + .kfunc = "sched_switch", + .result = REJECT, + .errstr = "Only fentry/fexit/fmod_ret, lsm, iter and kprobe/uprobe programs can be sleepable", + .flags = BPF_F_SLEEPABLE, + .runs = -1, +}, -- 2.39.0