From: Ilya Leoshkevich <iii@linux.ibm.com>
To: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>
Cc: bpf@vger.kernel.org, Heiko Carstens <heiko.carstens@de.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Ilya Leoshkevich <iii@linux.ibm.com>
Subject: [PATCH bpf-next 0/2] Fix test_probe_user on s390x
Date: Sat, 23 Jul 2022 04:03:42 +0200 [thread overview]
Message-ID: <20220723020344.21699-1-iii@linux.ibm.com> (raw)
Hi,
This is a fix for [1]: test_probe_user fails on s390x, because it hooks
only connect(), but not socketcall(SYS_CONNECT).
Patch 1 adds this quirk to BPF_KSYSCALL documentation.
Patch 2 fixes the test by attaching a prog to socketcall().
Best regards,
Ilya
[1] https://lore.kernel.org/bpf/06631b122b9bd6258139a36b971bba3e79543503.camel@linux.ibm.com/
Ilya Leoshkevich (2):
libbpf: Extend BPF_KSYSCALL documentation
selftests/bpf: Attach to socketcall() in test_probe_user
tools/lib/bpf/bpf_tracing.h | 14 +++++---
.../selftests/bpf/prog_tests/probe_user.c | 35 +++++++++++++------
.../selftests/bpf/progs/test_probe_user.c | 28 +++++++++++++--
3 files changed, 60 insertions(+), 17 deletions(-)
--
2.35.3
next reply other threads:[~2022-07-23 2:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-23 2:03 Ilya Leoshkevich [this message]
2022-07-23 2:03 ` [PATCH bpf-next 1/2] libbpf: Extend BPF_KSYSCALL documentation Ilya Leoshkevich
2022-07-26 13:05 ` Jiri Olsa
2022-07-23 2:03 ` [PATCH bpf-next 2/2] selftests/bpf: Attach to socketcall() in test_probe_user Ilya Leoshkevich
2022-07-26 13:05 ` Jiri Olsa
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