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Tue, 27 Oct 2026 15:10:06 -0700 (PDT) Received: from [192.168.1.22] ([83.231.69.9]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48e3ecd3555sm24526363f8f.42.2026.10.27.15.10.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Oct 2026 15:10:05 -0700 (PDT) Message-ID: <968e7fce-a027-4c4e-8a3f-79ddf0b2ba9d@gmail.com> Date: Tue, 27 Oct 2026 23:10:04 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] fs/proc/task_mmu: fix missed VMAs when reading /proc/PID/maps and friends To: "Lorenzo Stoakes (ARM)" , Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Jann Horn , Pedro Falcato , Suren Baghdasaryan , Shakeel Butt , SJ Park Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, stable@vger.kernel.org, "David Hildenbrand (Arm)" References: <20261027-fix-proc-pid-maps-missing-vmas-v2-1-2791cc9fc95f@kernel.org> Content-Language: en-US From: "Jose A. Perez de Azpillaga" In-Reply-To: <20261027-fix-proc-pid-maps-missing-vmas-v2-1-2791cc9fc95f@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/27/26 3:08 PM, Lorenzo Stoakes (ARM) wrote: [snip] > + if (from_addr < vma->vm_start && > + vma_rcu_iter_may_have_skipped(rvmi, from_addr, vma->vm_start - 1)) > + goto fallback_unlock; the helpers make this a lot easier to follow than v1 :) I re-tested v2 on x86_64 in qemu with KASAN, as in v1. So, this LGTM: Reviewed-by: Jose A. Perez de Azpillaga Tested-by: Jose A. Perez de Azpillaga -- cheers, jose a. p-a