From mboxrd@z Thu Jan 1 00:00:00 1970 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.subspace.kernel.org (Postfix) with ESMTPS id EFECC4499A3; Fri, 10 Jul 2026 04:09:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783656593; cv=none; b=YNgWfo+jgK+TcEiPQVtMQXB2wRSle4mToXTgmo5FmBN7Onin57UD/oR7ABuUSJc4+kmhwxydebDdeOllj+AR2jKKRCYZtrCkcUg719iQ+fEhxYpQku3Ebhi0JPQHqSWOnBLWmwFvxQIh+0QcVGJtTREv4yhSRtOsNdJpNAnq5mA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783656593; c=relaxed/simple; bh=+uGUBqvPYES6PXfbIHb0cgdUSGMx1u7ozvhCYTMpAcc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gcOZeFqyiWIDZXKmUvvxBu91k1IRXAGDck8uryDXJQy+Fan7LNFL8KTOh+ZDUhtvUGLh+ZjMIn/E65evRgDiL8HTzsHryZVDA6fgzKOmch/78ZClvjibsDLqCP/SmwMdh0QkESnf3mubCNybBT8TEXJTABxdQGehDP+QOcTNwYg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=UZKgSZ9H; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="UZKgSZ9H" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=XZ2ZKJwyH+czH0S6wCGrcRFmnJfF64txwylbTE5TD3Y=; b=UZKgSZ9HstM/m6zYkRbYa7ngfh DZ/56Ny6UarWRcWvOxILB52RdTY0S/lHv4mZLNuD2heZv5MHp43p74p7HIuDftdk55uB6CB1dDa3K jbkrEd87hXH4+3hLmn0IQwvXRw/c7ySwiiHkMFgXYVetbjUKqLsHBY1QS+vuGR6dG38TRnUY/Neoo XJlA7lXNLL8J0bmr4Y4KTj+lhtXLClFJ3OqTu6Z/Dkfng25d6iHRlJh/0nzLndSfFYKGT6Gf2BPMr PVr+yA/Fk8aBAZWsQVZ6SRgj7aGESs5Kjbdl/pHBqMDGf/0EupVJ0um+iO2M4vAGoq7t4phcoTnCW l0QHE1dg==; Received: from hch by bombadil.infradead.org with local (Exim 4.99.1 #2 (Red Hat Linux)) id 1wi2YJ-000000044w5-0wtb; Fri, 10 Jul 2026 04:09:27 +0000 Date: Thu, 9 Jul 2026 21:09:27 -0700 From: Christoph Hellwig To: Lorenzo Stoakes Cc: Mukesh Ojha , Jonathan Corbet , Shuah Khan , Eugen Hristev , Arnd Bergmann , Dennis Zhou , Tejun Heo , Christoph Lameter , Andrew Morton , Thomas Gleixner , Peter Zijlstra , Anna-Maria Behnsen , Frederic Weisbecker , John Stultz , Stephen Boyd , Kees Cook , Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , K Prateek Nayak , David Hildenbrand , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Zi Yan , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , Barry Song , Youngjun Park , Petr Mladek , John Ogness , Sergey Senozhatsky , Bjorn Andersson , Mathieu Poirier , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Saravana Kannan , workflows@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v3 11/26] mm/swapfile: Annotate static information into meminspect Message-ID: References: <20260708-meminspect-v3-v3-0-7aa5a0a74d5c@oss.qualcomm.com> <20260708-meminspect-v3-v3-11-7aa5a0a74d5c@oss.qualcomm.com> <20260708190535.fhqaddicljho44eq@hu-mojha-hyd.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@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: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Thu, Jul 09, 2026 at 03:53:44PM +0100, Lorenzo Stoakes wrote: > > The whole reason we had to tag most of the MM symbols is that > > the crash tool looks for this information while launching itself. > > You're missing the point. > > EXPORT_SYMBOL_GPL() != EXPORT_SYMBOL(). > > We cannot and will not allow symbols that are GPL-only to be exported by the > back door to non-GPL modules. > > Meminspect seems to ignore all of this and just exports symbols another way > overriding kernel mechanisms which is just not acceptable... > > I also don't really understand what you're saying here either, what has what > crash looks up on startup got to do with anything? Yeah, random backdoor exports for a totally opaque facility without good use cases that comes from a known malicious actor like qualcomm is a no-go. I don't think anyone should even waste time on this.