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[45.62.117.175]) by smtp.gmail.com with ESMTPSA id 00721157ae682-78c1b79942dsm27541147b3.49.2025.12.06.06.06.51 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sat, 06 Dec 2025 06:06:56 -0800 (PST) From: Shuran Liu To: song@kernel.org Cc: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, dxu@dxuuu.xyz, eddyz87@gmail.com, electronlsr@gmail.com, haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-trace-kernel@vger.kernel.org, martin.lau@linux.dev, mathieu.desnoyers@efficios.com, mattbobrowski@google.com, mhiramat@kernel.org, rostedt@goodmis.org, sdf@fomichev.me, shuah@kernel.org, yonghong.song@linux.dev Subject: Re: [PATCH bpf v4 2/2] selftests/bpf: add regression test for bpf_d_path() Date: Sat, 6 Dec 2025 22:06:40 +0800 Message-ID: <20251206140640.3013-1-electronlsr@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Song, I have done further testing and found that the initial version of selftest (LSM version) could not reliably reproduce the issue on a buggy kernel. I have now verified that the new fallocate test correctly reproduces the bug. I will be sending the v5 patch shortly. (This is our first patch submission to the kernel, thank you for your patience :D ) Best regards, Shuran Liu