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Sat, 15 Aug 2026 23:35:21 -0700 (PDT) Message-ID: <5ec46455e31b4472fe23f25ceb1cd2d595c00f18.camel@gmail.com> Subject: Re: [PATCH bpf-next v1 02/14] selftests/bpf: Test verifier stack-read diagnostic attribution From: Eduard Zingerman To: Kumar Kartikeya Dwivedi , bpf@vger.kernel.org Cc: Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , Emil Tsalapatis , kkd@meta.com, kernel-team@meta.com Date: Sat, 15 Aug 2026 23:35:19 -0700 In-Reply-To: <20260816015746.2632990-3-memxor@gmail.com> References: <20260816015746.2632990-1-memxor@gmail.com> <20260816015746.2632990-3-memxor@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-10 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Sun, 2026-08-16 at 03:57 +0200, Kumar Kartikeya Dwivedi wrote: > Verifier diagnostics distinguish uninitialized stack bytes from opaque > dynptr, iterator, and IRQ-flag state, and identify variable-offset atomic > stack accesses without changing the existing verbose messages. >=20 > Add output assertions to the existing dynptr and iterator rejection > cases. Add a direct IRQ-flag read and a variable-offset atomic stack > access to cover the other classifications. Retain an assertion for the > legacy helper-worded verbose message in the atomic test. >=20 > Signed-off-by: Kumar Kartikeya Dwivedi > --- Acked-by: Eduard Zingerman