From: Ilya Shchipletsov <rabbelkin@mail.ru>
To: bpf@vger.kernel.org
Cc: Ilya Shchipletsov <rabbelkin@mail.ru>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>,
Florent Revest <revest@chromium.org>,
Nikita Marushkin <hfggklm@gmail.com>,
lvc-project@linuxtesting.org, linux-kernel@vger.kernel.org
Subject: [PATCH bpf v2 0/2] bpf: enhance validation of pointer formatting
Date: Mon, 28 Oct 2024 19:53:39 +0000 [thread overview]
Message-ID: <20241028195343.2104-1-rabbelkin@mail.ru> (raw)
This patch series enhances validation of pointer formatting to prevent same
exact issue happening again, as it happen before in [0] and happened now.
[0]: https://lkml.kernel.org/netdev/85a08645-453b-78ad-e401-55d2894fa64a@iogearbox.net/T/
Co-developed-by: Nikita Marushkin <hfggklm@gmail.com>
Signed-off-by: Nikita Marushkin <hfggklm@gmail.com>
Signed-off-by: Ilya Shchipletsov <rabbelkin@mail.ru>
---
Changes in v2:
- Added Reported-by for syzbot [Florent Revest]
- Added negative tests for snprintf [Florent Revest]
- Moved comment to first 'if' statement [Yonghong Song]
- Link to v1: https://lore.kernel.org/bpf/9679a031-3858-4fef-bb8e-1cf436696095@mail.ru/
---
Ilya Shchipletsov (2):
bpf: fix %p% runtime check in bpf_bprintf_prepare
selftests/bpf: Add test cases for various pointer specifiers
kernel/bpf/helpers.c | 13 +++++++++----
tools/testing/selftests/bpf/prog_tests/snprintf.c | 15 +++++++++++++++
2 files changed, 24 insertions(+), 4 deletions(-)
--
2.43.0
next reply other threads:[~2024-10-28 20:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-28 19:53 Ilya Shchipletsov [this message]
2024-10-28 19:53 ` [PATCH bpf v2 1/2] bpf: fix %p% runtime check in bpf_bprintf_prepare Ilya Shchipletsov
2024-10-29 6:18 ` Yonghong Song
2024-10-31 16:17 ` Florent Revest
2024-11-06 8:42 ` Fedor Pchelkin
2024-10-28 19:53 ` [PATCH bpf v2 2/2] selftests/bpf: Add test cases for various pointer specifiers Ilya Shchipletsov
2024-10-29 6:19 ` Yonghong Song
2024-10-31 16:18 ` Florent Revest
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