From: Jiri Olsa <jolsa@kernel.org>
To: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>
Cc: bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
Martin KaFai Lau <kafai@fb.com>,
Eduard Zingerman <eddyz87@gmail.com>,
Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
Menglong Dong <menglong8.dong@gmail.com>,
Steven Rostedt <rostedt@kernel.org>
Subject: [PATCHv6 bpf-next 27/29] selftests/bpf: Add tracing multi verifier fails test
Date: Wed, 27 May 2026 13:39:49 +0200 [thread overview]
Message-ID: <20260527113951.46265-28-jolsa@kernel.org> (raw)
In-Reply-To: <20260527113951.46265-1-jolsa@kernel.org>
Adding tests for verifier fails on tracing multi programs.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
.../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 <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+#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
next prev parent reply other threads:[~2026-05-27 11:44 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-27 11:39 [PATCHv6 bpf-next 00/29] bpf: tracing_multi link Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 01/29] ftrace: Add ftrace_hash_count function Jiri Olsa
2026-05-27 12:37 ` bot+bpf-ci
2026-05-27 11:39 ` [PATCHv6 bpf-next 02/29] ftrace: Add ftrace_hash_remove function Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 03/29] ftrace: Add add_ftrace_hash_entry function Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 04/29] bpf: Use mutex lock pool for bpf trampolines Jiri Olsa
2026-05-27 12:59 ` bot+bpf-ci
2026-05-27 11:39 ` [PATCHv6 bpf-next 05/29] bpf: Add struct bpf_trampoline_ops object Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 06/29] bpf: Move trampoline image setup into bpf_trampoline_ops callbacks Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 07/29] bpf: Add bpf_trampoline_add/remove_prog functions Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 08/29] bpf: Add struct bpf_tramp_node object Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 09/29] bpf: Factor fsession link to use struct bpf_tramp_node Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 10/29] bpf: Add multi tracing attach types Jiri Olsa
2026-05-27 12:59 ` bot+bpf-ci
2026-05-27 11:39 ` [PATCHv6 bpf-next 11/29] bpf: Move sleepable verification code to btf_id_allow_sleepable Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 12/29] bpf: Add bpf_trampoline_multi_attach/detach functions Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 13/29] bpf: Add support for tracing multi link Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 14/29] bpf: Add support for tracing_multi link cookies Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 15/29] bpf: Add support for tracing_multi link session Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 16/29] bpf: Add support for tracing_multi link fdinfo Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 17/29] libbpf: Add bpf_object_cleanup_btf function Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 18/29] libbpf: Add bpf_link_create support for tracing_multi link Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 19/29] libbpf: Add btf_type_is_traceable_func function Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 20/29] libbpf: Add support to create tracing multi link Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 21/29] selftests/bpf: Add tracing multi skel/pattern/ids attach tests Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 22/29] selftests/bpf: Add tracing multi skel/pattern/ids module " Jiri Olsa
2026-05-27 12:59 ` bot+bpf-ci
2026-05-27 11:39 ` [PATCHv6 bpf-next 23/29] selftests/bpf: Add tracing multi intersect tests Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 24/29] selftests/bpf: Add tracing multi cookies test Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 25/29] selftests/bpf: Add tracing multi session test Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 26/29] selftests/bpf: Add tracing multi attach fails test Jiri Olsa
2026-05-27 11:39 ` Jiri Olsa [this message]
2026-05-27 11:39 ` [PATCHv6 bpf-next 28/29] selftests/bpf: Add tracing multi attach benchmark test Jiri Olsa
2026-05-27 11:39 ` [PATCHv6 bpf-next 29/29] selftests/bpf: Add tracing multi attach rollback tests Jiri Olsa
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