From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C8C49C53219 for ; Mon, 27 Jul 2026 11:25:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=08+hT4LC6IqwRNx8zMGRqwSU5ng6RkaDJeOtLNkTdSU=; b=wBTJ4YJD+u5gRc9pxGnCs2aeHq S1EnhTfhbbSKqcoShFW0s97iJfXfVSnKoVrQYQpncUZxHTbnPMqnUGdFcctQeYb8cjydrLmw2WFlA XqwidRZM56eha2BssYbXnnmy2dMSxpnj7tfU/GwyWKVxWXbr6tg5cmCDauvQnrQol+tBZm4kJCFpX /52q5RmyNq//QLd91ubJ2S0moS35qwk9cL+sWOy6WvfSWX7M/4Swqw4HuZz8+mZaUSk9jHF0JYBXz ujO2fuZQH9B7dthmMqDgL3yAwg46/meAUe6DjCcjL28omR3yI6APhKUwpdMxRHb2DmanmXvDEiYHa aecL2LLQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1woJSl-00000002a4T-05FQ; Mon, 27 Jul 2026 11:25:39 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1woJSj-00000002a4N-3gM7 for linux-arm-kernel@lists.infradead.org; Mon, 27 Jul 2026 11:25:37 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id C907F60A79; Mon, 27 Jul 2026 11:25:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2042B1F00A3D; Mon, 27 Jul 2026 11:25:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785151536; bh=08+hT4LC6IqwRNx8zMGRqwSU5ng6RkaDJeOtLNkTdSU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=gURdEEhEMWvzjd7vCRhS6YHmdHjStShU1vGvpoiQFhv3EIePzPg0zaS2IVVaVfL0A 9sLrb3O8GAXBsYHsgtmSMBkzFlidv2ecDqzVqJNV4gxjCm4tB5XZEtqieHbUu7joyq R+X8k/H7b1DwQYwB+hJuSsEIZzHRhVVFwwq7/SFYnJm00U2OBTo4AHX6RBD4kJ3y7F /2qYLedwNCmXRc0KWDfgVx4+k6uIilb2wNPFkmp1pcnnLBOMzE20vmeHketJokrJfI lMnupykmxG7Y5JbVe153paj0CXj6WyGW8X0iWfjeG6ql1OUh+IkUrPbLlEs2tCZzWm HEIZ9/i7+Nn0w== Date: Mon, 27 Jul 2026 12:25:16 +0100 From: "Lorenzo Stoakes (ARM)" To: "Borah, Chaitanya Kumar" Cc: Andrew Morton , Suren Baghdasaryan , "Liam R. Howlett" , Vlastimil Babka , Shakeel Butt , David Hildenbrand , Mike Rapoport , Michal Hocko , Uladzislau Rezki , Toshi Kani , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Kiryl Shutsemau , Catalin Marinas , Will Deacon , Dev Jain , Ryan Roberts , David Carlier , linux-mm@kvack.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "Denis V. Lunev" , stable@vger.kernel.org, "intel-gfx@lists.freedesktop.org" , "intel-xe@lists.freedesktop.org" Subject: Re: [REGRESSION]: [PATCH mm-hotfixes v5 3/5] x86/mm/pat: acquire init_mm read lock on attribute change to avoid UAF Message-ID: References: <20260717-series-vmap-race-fix-v5-0-606a0ac6d3e5@kernel.org> <20260717-series-vmap-race-fix-v5-3-606a0ac6d3e5@kernel.org> <80993b70-352f-4069-84c7-39a04c061e98@intel.com> <15f365d9-b5b9-4dc1-b24c-1b6f9363e9b1@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <15f365d9-b5b9-4dc1-b24c-1b6f9363e9b1@intel.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jul 27, 2026 at 02:30:57PM +0530, Borah, Chaitanya Kumar wrote: > > > On 7/23/2026 7:48 PM, Lorenzo Stoakes (ARM) wrote: > > Thanks for the report! > > > > A small note - it'd be useful for you to clearly point > > out the revision of next to make our life a bit easier :) > > > > Ack. > Thanks! :) > > (another small note - running scripts/decode_stacktrace.sh would be hugely > > useful as these offsets aren't so useful unless I have the exact kernel > > binary you have with debug symbols :) > > > > We have not been asked for that yet but we can surely provide it if it > becomes absolutely necessary for debugging. > It would be SUPER useful if it's not too difficult to implement, thanks :) > Thank you for sending the fixes. > > CI looks good now. > > https://intel-gfx-ci.01.org/tree/linux-next/combined-alt.html? Great thanks! Cheers, Lorenzo