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([2620:10d:c090:600::1:90c4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-31aaaf52c0fsm393323a91.38.2025.07.03.14.55.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Jul 2025 14:55:03 -0700 (PDT) Message-ID: Subject: Re: [PATCH bpf-next 2/2] selftests/bpf: Negative test case for tail call map From: Eduard Zingerman To: Paul Chaignon , bpf@vger.kernel.org Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Date: Thu, 03 Jul 2025 14:55:01 -0700 In-Reply-To: <7cec754c8d4cc2d93a50e9091d7ccc7f33d454d4.1751578055.git.paul.chaignon@gmail.com> References: <1f395b74e73022e47e04a31735f258babf305420.1751578055.git.paul.chaignon@gmail.com> <7cec754c8d4cc2d93a50e9091d7ccc7f33d454d4.1751578055.git.paul.chaignon@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-1.fc42) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Thu, 2025-07-03 at 23:36 +0200, Paul Chaignon wrote: > This patch adds a negative test case for the following verifier error. >=20 > expected prog array map for tail call >=20 > Signed-off-by: Paul Chaignon > --- Nit: selftests/bpf/verifier binary is considered obsolete, new tests are mostly added as a part test_progs binary. E.g. you can add a file progs/verifier_tailcalls.c, register it in test_progs/verifier.c and define tests using test_loader framework, e.g. see progs/verifier_and.c. [...]