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 11C76C54EBE for ; Mon, 16 Jan 2023 13:29:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229802AbjAPN3V (ORCPT ); Mon, 16 Jan 2023 08:29:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48078 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229639AbjAPN3V (ORCPT ); Mon, 16 Jan 2023 08:29:21 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 57B5C166DE for ; Mon, 16 Jan 2023 05:29:20 -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 ams.source.kernel.org (Postfix) with ESMTPS id 0C017B80D30 for ; Mon, 16 Jan 2023 13:29:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BC162C433EF; Mon, 16 Jan 2023 13:29:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673875757; bh=wyJ7iMSlfS+oVwngzPGR/Py9YVoyOqW9cjsjqHgQ6V0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WKXfBmd8AsZXZfKKJMwiO+6MnBSZENrmJS3yQF3Nq1vKwPq47sffYTm156VQ+nYAq Y/RZoumC+ycIwSJIJ3LH+XKirL0iAoj5s7l9eUGAoyV/f6muLnvsIHt6LnfuN1aYF2 fOy872cO4gDfNrUbxqvcON9Ir7G5TWUxhkBCSHGsFuJxnuU6Zvcm+j5ppLPUnEznAi j21oxGnf1cT9ZduxI69lkv4vJkC7gqXQrcHdbD4XRb2OzHDNl/D250Jzyvec62AEAt BMMCHJIbpdP09Kd8GuoD3OjwWWBsBfDrh0D6bYCeup4YC9kSG89YU7oCDIRDpmPFg6 6S5rm9H+TrIDQ== From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: Song Liu , bpf@vger.kernel.org, Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo Subject: [PATCHv3 bpf-next 2/2] bpf/selftests: Add verifier tests for loading sleepable programs Date: Mon, 16 Jan 2023 14:29:01 +0100 Message-Id: <20230116132901.161494-2-jolsa@kernel.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116132901.161494-1-jolsa@kernel.org> References: <20230116132901.161494-1-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. Acked-by: Song Liu 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..4248c3326b89 --- /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 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