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[2a01:cb08:8949:7e00:f6fd:fecb:9884:ca93]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3e9b1ab74b8sm14118854f8f.5.2025.09.17.01.07.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Sep 2025 01:07:09 -0700 (PDT) Date: Wed, 17 Sep 2025 10:07:08 +0200 From: Paul Chaignon To: bpf@vger.kernel.org Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman Subject: [PATCH bpf-next v2 0/3] Avoid warning on bpf_sock_addr padding access Message-ID: Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline This patchset fixes bpf_sock_addr padding access to avoid a kernel warning and improves our selftests coverage for these ctx padding cases. Changes in v2: - Rebased on top of bpf-next. - Added selftests for paddings in bpf_sock and sk_reuseport_md. - Simplified sock_addr_is_valid_access's logic, as suggested by Daniel. - Removed a tab copied from existing code and spotted by Eduard. Paul Chaignon (3): bpf: Explicitly check accesses to bpf_sock_addr selftests/bpf: Move macros to bpf_misc.h selftest/bpf: Test accesses to ctx padding net/core/filter.c | 16 ++++++---- tools/testing/selftests/bpf/progs/bpf_misc.h | 4 +++ .../selftests/bpf/progs/test_cls_redirect.c | 4 +-- .../bpf/progs/test_tcp_hdr_options.c | 5 +-- .../selftests/bpf/progs/verifier_ctx.c | 32 +++++++++++++++++-- .../selftests/bpf/progs/verifier_sock.c | 4 --- 6 files changed, 46 insertions(+), 19 deletions(-) -- 2.43.0