From: Hengqi Chen <hengqi.chen@gmail.com>
To: bpf@vger.kernel.org
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
yhs@fb.com, john.fastabend@gmail.com, jolsa@kernel.org,
yanivagman@gmail.com, hengqi.chen@gmail.com
Subject: [PATCH bpf-next v4 0/2] bpf: expand bpf_d_path helper allowlist
Date: Mon, 26 Jul 2021 22:10:11 +0800 [thread overview]
Message-ID: <20210726141013.2239765-1-hengqi.chen@gmail.com> (raw)
This patch set adds more functions to bpf_d_path allowlist.
Patch 1 is prep work which updates resolve_btfids to emit warnings
on missing symbols instead of aborting kernel build process.
Patch 2 expands bpf_d_path allowlist.
Changes since v3: [3]
- Addressed Yonghong's comments. Sort allowlist and add security_bprm_*
Changes since v2: [2]
- Andrii suggested that we should first address an issue of .BTF_ids
before adding more symbols to .BTF_ids. Fixed that.
- Yaniv proposed adding security_sb_mount and security_bprm_check.
Added them.
Changes since v1: [1]
- Alexei and Yonghong suggested that bpf_d_path helper could also
apply to vfs_* and security_file_* kernel functions. Added them.
[1] https://lore.kernel.org/bpf/20210712162424.2034006-1-hengqi.chen@gmail.com/
[2] https://lore.kernel.org/bpf/20210719151753.399227-1-hengqi.chen@gmail.com/
[3] https://lore.kernel.org/bpf/20210725141814.2000828-3-hengqi.chen@gmail.com/
Hengqi Chen (2):
tools/resolve_btfids: emit warnings and patch zero id for missing
symbols
bpf: expose bpf_d_path helper to vfs_* and security_* functions
kernel/trace/bpf_trace.c | 60 ++++++++++++++++++++++++++++++---
tools/bpf/resolve_btfids/main.c | 13 +++----
2 files changed, 63 insertions(+), 10 deletions(-)
--
2.25.1
next reply other threads:[~2021-07-26 14:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-26 14:10 Hengqi Chen [this message]
2021-07-26 14:10 ` [PATCH bpf-next v4 1/2] tools/resolve_btfids: emit warnings and patch zero id for missing symbols Hengqi Chen
2021-07-26 14:10 ` [PATCH bpf-next v4 2/2] bpf: expose bpf_d_path helper to vfs_* and security_* functions Hengqi Chen
2021-07-29 21:44 ` [PATCH bpf-next v4 0/2] bpf: expand bpf_d_path helper allowlist Andrii Nakryiko
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