From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D0D043F8ED1; Mon, 27 Jul 2026 11:25:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785151537; cv=none; b=X6WhYVimlx5cx26NKEKuymzccQ38FhxSDDV9JBLULZ9eqF6Ur9u1XB5wdlDMCZGmZv06XVrohv5uEJVOaLFiq+Lrn/CfRy+lU3PQUdO5GUtNNTtHHYPzFDhNPC4TQeYC6kQWun8lg1GnpFFk+SB1L3E6iprjFBjnn9W9WA+8lBA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785151537; c=relaxed/simple; bh=08+hT4LC6IqwRNx8zMGRqwSU5ng6RkaDJeOtLNkTdSU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uzlivfTLYHkmld+oPRSJKNu/YziWBSq3m1bvnoyK0R0ge9Ia5NZPUxjuNzAT3Q9dGlctTfynMBx/SXA3tnGtdT+IDGLWbtFtSryfm9UCcxpkC/C+utIgFJE7PwpV7NE+mMPiQXVIeWVrjghnNtvyJiblyh+ns7s22HEdBkud5SU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gURdEEhE; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gURdEEhE" 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> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <15f365d9-b5b9-4dc1-b24c-1b6f9363e9b1@intel.com> 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