From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 687603557F3; Wed, 27 May 2026 11:44:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779882280; cv=none; b=Fl2PaQdJkKoztIwfP2FFyuGKlmycUmE0YUPXLH6vLQSfaXrhfQC1k2wnFkLlTX+rjT/G8jw/NewAF/q9moloJ1DSWxjXc8/TmnjcuFDkMXNQlXnA9F1pCQhXK5iRZe2c7IACduoTM4mk//KRI5VuT+0qkmblsjpJOmSq1o+D4z4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779882280; c=relaxed/simple; bh=mpUZfVfm2mauAmx1f4F6lLePiJ75keb2aUNegWA8ECE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rlLTGHhVhGRJBum1EGMd2Ktp3CD98rtdlAbzyTF/kI4suYvqOkcC9Nd2V8ECIn/WoxzkZIcZksdROHXHfTB+/72hr8OYyiHRknJO59jMvAibQoOGR3agUPOURtfI2BhGOEkSLR2AYtnXH4XtaR+V/6VEZ4j4eqHC5J4F7gIo4+g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZtlM/YZm; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZtlM/YZm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3D6111F000E9; Wed, 27 May 2026 11:44:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779882279; bh=n3nP6t73nmVSmDsSBInaimMZUMsEFLG2Fvb9XWdEJqQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ZtlM/YZmksbp6uEf45qeBJRUJM+40Z1IeF67iEpXgZ0FA7bhhR4F95zZtJFZ2GCpg D8SPTFCx+EnT2dtJBklYo0jsYhlwCeTbWk+AYUrLjw3JwYIMzOS9CJInwMiFexItuU wCfkCcaQUXS/6dbvkGMAghPqRtR9HSLh9w9zUUPLV9BxqJr/C4kgva4fAb0QeV4hwv NBwKcjM/0Q5zSmSAtuRUg18U3AFgUqwQJsc0SyUFFNEhObw3D3V+EQZjhuAMDiewRd NmTLmF/l3mZWSMIKANBpkjn2M+jbTgc7rmvTUiAE77JEu/Ft706RzX308T4wUq7Ykv 4rO1VyLx6rCSg== From: Jiri Olsa To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , Menglong Dong , Steven Rostedt Subject: [PATCHv6 bpf-next 27/29] selftests/bpf: Add tracing multi verifier fails test Date: Wed, 27 May 2026 13:39:49 +0200 Message-ID: <20260527113951.46265-28-jolsa@kernel.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260527113951.46265-1-jolsa@kernel.org> References: <20260527113951.46265-1-jolsa@kernel.org> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Adding tests for verifier fails on tracing multi programs. Signed-off-by: Jiri Olsa --- .../selftests/bpf/prog_tests/tracing_multi.c | 2 ++ .../bpf/progs/tracing_multi_verifier.c | 31 +++++++++++++++++++ 2 files changed, 33 insertions(+) create mode 100644 tools/testing/selftests/bpf/progs/tracing_multi_verifier.c diff --git a/tools/testing/selftests/bpf/prog_tests/tracing_multi.c b/tools/testing/selftests/bpf/prog_tests/tracing_multi.c index f968dcabd795..43401e93b778 100644 --- a/tools/testing/selftests/bpf/prog_tests/tracing_multi.c +++ b/tools/testing/selftests/bpf/prog_tests/tracing_multi.c @@ -9,6 +9,7 @@ #include "tracing_multi_intersect.skel.h" #include "tracing_multi_session.skel.h" #include "tracing_multi_fail.skel.h" +#include "tracing_multi_verifier.skel.h" #include "trace_helpers.h" static __u64 bpf_fentry_test_cookies[] = { @@ -613,4 +614,5 @@ void test_tracing_multi_test(void) test_session(); if (test__start_subtest("attach_api_fails")) test_attach_api_fails(); + RUN_TESTS(tracing_multi_verifier); } diff --git a/tools/testing/selftests/bpf/progs/tracing_multi_verifier.c b/tools/testing/selftests/bpf/progs/tracing_multi_verifier.c new file mode 100644 index 000000000000..7b6ed41bf452 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/tracing_multi_verifier.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "vmlinux.h" +#include +#include +#include "bpf_misc.h" + +char _license[] SEC("license") = "GPL"; + +SEC("fentry.multi/bpf_fentry_test1") +__failure +__msg("func 'bpf_multi_func' doesn't have 1-th argument") +int BPF_PROG(fentry_direct_access, int a) +{ + return a; +} + +SEC("fexit.multi/bpf_fentry_test3") +__failure +__msg("invalid bpf_context access off=24 size=8") +int BPF_PROG(fexit_direct_access, char a, int b, __u64 c, int ret) +{ + return ret; +} + +SEC("fsession.multi/bpf_fentry_test4") +__failure +__msg("invalid bpf_context access off=16 size=8") +int BPF_PROG(fsession_direct_access, void *a, char b, int c, __u64 d, int ret) +{ + return c; +} -- 2.54.0