From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 09504606A327 for ; Fri, 13 Nov 2026 18:09:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=cV0oIxbY Received: by kanga.kvack.org (Postfix) id 2E27F6B05B0; Fri, 13 Nov 2026 13:09:00 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 2B3576B05B2; Fri, 13 Nov 2026 13:09:00 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1A2A06B05B3; Fri, 13 Nov 2026 13:09:00 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id E7FA46B05B0 for ; Fri, 13 Nov 2026 13:08:59 -0500 (EST) Received: from smtpin16.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay03.hostedemail.com (Postfix) with ESMTP id E4B32A0136 for ; Fri, 13 Nov 2026 18:08:58 +0000 (UTC) X-FDA: 85430881956.16.E766A5D Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf16.hostedemail.com (Postfix) with ESMTP id 31BDE180006 for ; Fri, 13 Nov 2026 18:08:57 +0000 (UTC) Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=cV0oIxbY; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf16.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1794593337; b=y2ZJu6Kayefqpc1EQCfSYoLoonp9WUsu4YQMrIGnln7d/gKt8G6BSckzbKPvMTzwQhOSSw MEv2DSh/W5ANV79afa+OAT3w9451vitk9hA3BkJ1aAN+qP2t5HA79VxRWsmE+vbBlJJ7Rq RiZeSL4V/JTZXrlbF+DtmEPUzvFbU5s= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1794593337; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=FhKJJ+G598x7k4YdedDcO2AKZY/WuEiagj+EDD3aHQg=; b=dsf54QDTUWt3RQOnm+LZQ5W5M5vdboRMUeQVaWmi119cEoIFfGhkR4mebpIyEq44fbejiP s3bJjZZIjkJYOc2CaTFM9GtCSXK3x1ZKGVWyj/UqQscXxBGnQ1XRMUzugHJKG+iOjB4Qy0 EoJ4hWQqwJJpCPnB/JzRBILMnZSzW1g= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=cV0oIxbY; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf16.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 3DC7E61203; Fri, 13 Nov 2026 18:08:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92BB11F000C4; Fri, 13 Nov 2026 18:08:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794593336; bh=FhKJJ+G598x7k4YdedDcO2AKZY/WuEiagj+EDD3aHQg=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=cV0oIxbYqP9gvsvME0oMOtemuKmLAysenN/kgBSdnF+B18EtGcfZSxLyyhCiFn9lX U/oem6jMeFeOnlZ+nSRyXcGJtfgyNZIP8uEPZwOJ+AHMtb6VpKSv3BfPqFa8I4k16T cBtgVfULAsZNMYuN4x6RbEbHFL16p2S5UqvgQJlrXM0FyZy8tLmao149HtIQ+K8u9i ffe8VbuJ7lwDFflvwa+1ux0bW4dNqukDUVCEOOI0wFTM6SW98Eg31DKW8KyEfRPd0g Zt4hLUWDX/3aZA8oCkHF2urDLGkH7IMVbx587YBvnK8lBUaWviCBgawcqGUB6t0BHj DaZg5qjoToidA== Message-ID: <4d3c45ad-bdd5-46c0-bcf7-26b8575fa884@kernel.org> Date: Fri, 13 Nov 2026 19:00:57 +0100 X-Archived-By: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm/khugepaged: reject shmem collapse ranges beyond i_size To: Andrew Morton Cc: sashiko-reviews@lists.linux.dev, =?UTF-8?B?SsOpcsOpbXkgSmVhbg==?= , Zi Yan , Roman Gushchin , Baolin Wang , "Liam R. Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Usama Arif , Kiryl Shutsemau , linux-mm@kvack.org References: <20261112142335.2749597-2-Jeremy.Jean@oss.cyber.gouv.fr> <5f3dec4f-0416-4550-a980-b464a90aeb11@kernel.org> <20261113094954.942014a255165efc812fb2a5@linux-foundation.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: <20261113094954.942014a255165efc812fb2a5@linux-foundation.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 31BDE180006 X-Rspamd-Server: rspam12 X-Stat-Signature: jaeo517f34481ffu5z998nkuai6cmryc X-Rspam-User: X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=4.0.1 X-HE-Tag: 1794593337-556934 X-HE-Meta: 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 AG0EbjbE 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 11/13/26 18:49, Andrew Morton wrote: > On Fri, 13 Nov 2026 15:56:50 +0100 "David Hildenbrand (Arm)" wrote: > >> On 11/13/26 15:25, sashiko-bot@kernel.org wrote: >>> Thank you for your contribution! Sashiko AI review found no new issues >>> in this patch, but noticed 1 related pre-existing issue it does not >>> introduce: >>> - [Medium] mm: xarray node memory leak in collapse_file() [1] >> Ignore this shit from Sashiko. > > There was some ball-dropping with this bug. Shardul posted a fix last > year: > > https://lore.kernel.org/20251204142625.1763372-1-shardul.b@mpiricsoftware.com > > various ackings happened, suggestions made, other fixes developed, etc. > I guess Shardul gave up and went away, who could blame. > > I'll add all this to my backlog pile and shall figure something out. I have another reminder on my todo list from a certain company here. These public reports do not help anybody. The only cause chaos to the people that read them and think they have to act on them. -- Cheers, David