netdev - [PATCH bpf-next v2 0/7] add BPF_F_PERMANENTLY flag for sockmap skmsg redirect

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Date: Fri, 11 Aug 2023 17:32:30 +0800
From: Liu Jian <liujian56@...wei.com>
To: <john.fastabend@...il.com>, <jakub@...udflare.com>, <ast@...nel.org>,
	<daniel@...earbox.net>, <andrii@...nel.org>, <martin.lau@...ux.dev>,
	<song@...nel.org>, <yonghong.song@...ux.dev>, <kpsingh@...nel.org>,
	<sdf@...gle.com>, <haoluo@...gle.com>, <jolsa@...nel.org>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <dsahern@...nel.org>
CC: <netdev@...r.kernel.org>, <bpf@...r.kernel.org>, <liujian56@...wei.com>
Subject: [PATCH bpf-next v2 0/7] add BPF_F_PERMANENTLY flag for sockmap skmsg redirect

v1->v2: fix one UAF issue, and add some tests.

patch1: Add new BPF_F_PERMANENTLY flag for bpf_msg_redirect_map/bpf_msg_redirect_hash
patch2-patch7: Added some normal and abnormal use cases.

Liu Jian (7):
  bpf, sockmap: add BPF_F_PERMANENTLY flag for skmsg redirect
  selftests/bpf: Add txmsg ingress permanently test for sockmap
  selftests/bpf: Add txmsg redir permanently test for sockmap
  selftests/bpf: add skmsg verdict tests
  selftests/bpf: add two skmsg verdict tests for BPF_F_PERMANENTLY flag
  selftests/bpf: add tests for verdict skmsg to itself
  selftests/bpf: add tests for verdict skmsg to closed socket

 include/linux/skmsg.h                         |   1 +
 include/uapi/linux/bpf.h                      |   7 +-
 net/core/skmsg.c                              |   1 +
 net/core/sock_map.c                           |   4 +-
 net/ipv4/tcp_bpf.c                            |  21 ++-
 tools/include/uapi/linux/bpf.h                |   7 +-
 .../selftests/bpf/prog_tests/sockmap_basic.c  | 122 ++++++++++++++++++
 .../selftests/bpf/progs/test_sockmap_kern.h   |   4 +-
 .../bpf/progs/test_sockmap_msg_verdict.c      |  25 ++++
 tools/testing/selftests/bpf/test_sockmap.c    |  41 +++++-
 10 files changed, 217 insertions(+), 16 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/progs/test_sockmap_msg_verdict.c

-- 
2.34.1