netdev - [PATCH bpf-next 0/2] bpf, test_run: Fix user-memory-access vulnerability for LIVE

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Message-ID: <20260104162350.347403-1-kafai.wan@linux.dev>
Date: Mon,  5 Jan 2026 00:23:48 +0800
From: KaFai Wan <kafai.wan@...ux.dev>
To: ast@...nel.org,
	daniel@...earbox.net,
	andrii@...nel.org,
	martin.lau@...ux.dev,
	eddyz87@...il.com,
	song@...nel.org,
	yonghong.song@...ux.dev,
	john.fastabend@...il.com,
	kpsingh@...nel.org,
	sdf@...ichev.me,
	haoluo@...gle.com,
	jolsa@...nel.org,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	horms@...nel.org,
	hawk@...nel.org,
	shuah@...nel.org,
	aleksander.lobakin@...el.com,
	toke@...hat.com,
	bpf@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org
Cc: KaFai Wan <kafai.wan@...ux.dev>
Subject: [PATCH bpf-next 0/2] bpf, test_run: Fix user-memory-access vulnerability for LIVE_FRAMES

This small patchset is about avoid user-memory-access vulnerability
for LIVE_FRAMES at specific xdp_md context.

---
KaFai Wan (2):
  bpf, test_run: Fix user-memory-access vulnerability for LIVE_FRAMES
  selftests/bpf: Add test for xdp_md context with LIVE_FRAMES in
    BPF_PROG_TEST_RUN

 net/bpf/test_run.c                            | 23 +++++++++----------
 .../bpf/prog_tests/xdp_context_test_run.c     | 19 +++++++++++++++
 .../bpf/prog_tests/xdp_do_redirect.c          |  6 ++---
 .../bpf/progs/test_xdp_context_test_run.c     |  6 +++++
 4 files changed, 39 insertions(+), 15 deletions(-)

-- 
2.43.0