From: Kumar Kartikeya Dwivedi <memxor@gmail.com>
To: bpf@vger.kernel.org
Cc: Alexei Starovoitov <ast@kernel.org>, Yonghong Song <yhs@fb.com>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>
Subject: [PATCH bpf v2 0/3] Fix reference state management for synchronous callbacks
Date: Tue, 23 Aug 2022 03:27:56 +0200 [thread overview]
Message-ID: <20220823012759.24844-1-memxor@gmail.com> (raw)
This is patch 1, 2 + their individual tests split into a separate series from
the RFC, so that these can be taken in, while we continue working towards a fix
for handling stack access inside the callback.
Changelog:
----------
v1 -> v2:
v1: https://lore.kernel.org/bpf/20220822131923.21476-1-memxor@gmail.com
* Fix error for test_progs-no_alu32 due to distinct alloc_insn in errstr
RFC v1 -> v1:
RFC v1: https://lore.kernel.org/bpf/20220815051540.18791-1-memxor@gmail.com
* Fix up commit log to add more explanation (Alexei)
* Split reference state fix out into a separate series
Kumar Kartikeya Dwivedi (3):
bpf: Move bpf_loop and bpf_for_each_map_elem under CAP_BPF
bpf: Fix reference state management for synchronous callbacks
selftests/bpf: Add tests for reference state fixes for callbacks
include/linux/bpf_verifier.h | 11 ++
kernel/bpf/helpers.c | 8 +-
kernel/bpf/verifier.c | 42 +++++--
.../selftests/bpf/prog_tests/cb_refs.c | 48 ++++++++
tools/testing/selftests/bpf/progs/cb_refs.c | 116 ++++++++++++++++++
5 files changed, 212 insertions(+), 13 deletions(-)
create mode 100644 tools/testing/selftests/bpf/prog_tests/cb_refs.c
create mode 100644 tools/testing/selftests/bpf/progs/cb_refs.c
--
2.34.1
next reply other threads:[~2022-08-23 1:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-23 1:27 Kumar Kartikeya Dwivedi [this message]
2022-08-23 1:31 ` [PATCH bpf v2 1/3] bpf: Move bpf_loop and bpf_for_each_map_elem under CAP_BPF Kumar Kartikeya Dwivedi
2022-08-23 1:31 ` [PATCH bpf v2 2/3] bpf: Fix reference state management for synchronous callbacks Kumar Kartikeya Dwivedi
2022-08-23 1:32 ` [PATCH bpf v2 3/3] selftests/bpf: Add tests for reference state fixes for callbacks Kumar Kartikeya Dwivedi
2022-08-23 23:30 ` [PATCH bpf v2 0/3] Fix reference state management for synchronous callbacks patchwork-bot+netdevbpf
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220823012759.24844-1-memxor@gmail.com \
--to=memxor@gmail.com \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=yhs@fb.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox