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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5380EB64D9 for ; Wed, 12 Jul 2023 05:05:20 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 454F06B0071; Wed, 12 Jul 2023 01:05:20 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 405A96B0072; Wed, 12 Jul 2023 01:05:20 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2CC386B0078; Wed, 12 Jul 2023 01:05:20 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 1BA486B0071 for ; Wed, 12 Jul 2023 01:05:20 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id D20A3C0509 for ; Wed, 12 Jul 2023 05:05:19 +0000 (UTC) X-FDA: 81001771158.16.556A69C Received: from mail-yb1-f177.google.com (mail-yb1-f177.google.com [209.85.219.177]) by imf10.hostedemail.com (Postfix) with ESMTP id 1EBE4C0006 for ; Wed, 12 Jul 2023 05:05:17 +0000 (UTC) Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=linaro.org header.s=google header.b=u+ACUpw1; dmarc=pass (policy=none) header.from=linaro.org; spf=pass (imf10.hostedemail.com: domain of amit.pundir@linaro.org designates 209.85.219.177 as permitted sender) smtp.mailfrom=amit.pundir@linaro.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1689138318; 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=3/72ZD6lhNsHXkYgqxH4KbAvAYqyJgWt7UVI6+Yu3os=; b=EagrKCQXhULdGbxBhppVk1zYI+X63odLRtR80o/nBhsM8Qb702dIYHheUTJde0Tw1WbGOX 45QZ/QBuTLcgn8KTJYmmZwQ4Er1+OAyMHJQ+wq4ZPn+05ajiMnThcRmfxQlFOlDIBYZfqK Sp7l/UiD++JxEsOsf/URSzPMlgcJeRc= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=linaro.org header.s=google header.b=u+ACUpw1; dmarc=pass (policy=none) header.from=linaro.org; spf=pass (imf10.hostedemail.com: domain of amit.pundir@linaro.org designates 209.85.219.177 as permitted sender) smtp.mailfrom=amit.pundir@linaro.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1689138318; a=rsa-sha256; cv=none; b=bDMfc8uKkkCRFjWf/Wsv3UU95dj1eaApllCU5ZeTJtcYJsVDirMuwu/5bvYtvT7lhoTW6T bkTRD5pLCgporIxLZPkqKJpAWvPmrJhMGn+O/Sm7dZfnME6koSXnVqF0l0EJjT3+i7pLnV 14hc+ZGJ7jYWXYkvXWFA1lpGSH/jby0= Received: by mail-yb1-f177.google.com with SMTP id 3f1490d57ef6-c1aad78d5b2so554801276.0 for ; Tue, 11 Jul 2023 22:05:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1689138317; x=1691730317; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=3/72ZD6lhNsHXkYgqxH4KbAvAYqyJgWt7UVI6+Yu3os=; b=u+ACUpw1C89HwFR9oEjEeuBh/dwZIF0arCtazukFyQRYMjfaivc24i2drnTT0zaeEh aY/2TAoCGVqTAlkt1rgiswsPxrar+AIk0GRnr7ZFYaq80qCWmrfBB0VCKBoCnkx0h6uE kvMTZFLxrv38ZTd2r+5jC/RnnC1AQyie+Y25n7K7ERiH0YRdtljt0342xB22fI/ONtkX c00MlpdWP9C59+04+HI0/XCqRm6H4TPi3Pyn93WmoLmU7X8TsDTO3DXvZ3+oaK8k4B+T Nfhi9TUIo2G4WaV/3bF3kOIGYy5b+WUMWgikqzuaS8pK2/TquZEehy/uwo5aqQHEwhdu cPRQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689138317; x=1691730317; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3/72ZD6lhNsHXkYgqxH4KbAvAYqyJgWt7UVI6+Yu3os=; b=YICN1+gEqsA5LleHRMJhi8p+6ft/DevxsHQK6o0F063udLrnL8RQM49k3S68VfV1cf 8kJXYB+R9Z+7iAIfs33wbrifpUM5R87kEh+wJme33UiQx9dmt17qT0ikqnvXIL0O7Lfx 56FYvOIHLeG+0Wtxg6XnxPaeTTVXWi0GAGmIIFxzJA6oQEEjjydBmXVPKvMGi39LbdaP Bff8BLtp4TvS7FyEdcSB7EjMHCdfb9oaZ1CZJG9ap0wleeCP9Qr55RmbVFETbUnHIOba Wde9TOsDTQQsm48rB1kZ6n84sXB7NIWVZAzJounhkTqYWSjKWKerwIrRJnAp9nkeOMoW IJ+Q== X-Gm-Message-State: ABy/qLZ+OC2nqCVJJg6+YUizYdDuF9Q4lyP6WB4KAF5bxrEK9iBBp+YZ W0FHgcgleCwdmqCV+4L7qA88Ag8f/abl8CBPQt/2zMi0pu40git9l00= X-Google-Smtp-Source: APBJJlH5QzNFAkMi3vMlbJrWM0d6J/fLTqgYF+JAXqPrfBkfUF3EumCUn0rNxoOz7ZOPCK+yLnf1MHjzwmvzO+WlP0A= X-Received: by 2002:a05:6214:ca2:b0:637:9da3:9193 with SMTP id s2-20020a0562140ca200b006379da39193mr1219123qvs.4.1689137867393; Tue, 11 Jul 2023 21:57:47 -0700 (PDT) MIME-Version: 1.0 References: <20230612153201.554742-1-catalin.marinas@arm.com> In-Reply-To: From: Amit Pundir Date: Wed, 12 Jul 2023 10:27:11 +0530 Message-ID: Subject: Re: [PATCH v7 00/17] mm, dma, arm64: Reduce ARCH_KMALLOC_MINALIGN to 8 To: Isaac Manjarres Cc: Catalin Marinas , Andrew Morton , Linus Torvalds , Christoph Hellwig , Robin Murphy , Arnd Bergmann , Greg Kroah-Hartman , Will Deacon , Marc Zyngier , Herbert Xu , Ard Biesheuvel , Saravana Kannan , Alasdair Kergon , Daniel Vetter , Joerg Roedel , Mark Brown , Mike Snitzer , "Rafael J. Wysocki" , Jonathan Cameron , Vlastimil Babka , linux-mm@kvack.org, iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Linux regressions mailing list , John Stultz Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 1EBE4C0006 X-Stat-Signature: s3muthcfx8f5t4piba9bwt3mree8x6xy X-Rspam-User: X-HE-Tag: 1689138317-235421 X-HE-Meta: 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 Qdxc+yJM xOsfJQrnPDoqKulUlGZ/RlZIfSL1NG8u8W3oDXK3hQHXkvHvWzCF9h1TZr79sdqqtPGGXZ9dWTVhoLsF6EcItDDoLQO2FcdhNceXnfAwfUynj+DBJsO/Tjv/1YT9p8XSlX+Etw//YBI8npHU5bYVrr7OU3H2WtCXmi6NwW0QKUBIa+jejBEG5fCzrqbHcYI3S79A5kuvmTpJcyf36U7yHEB+fVbGSuwLrA5a4oSnqovm0Hru5ro74iJVxOISPe9PlxXPrYOvp7yrnTyY5cOwul3dqfhXUX7eRZ4rNaxSVhsRXL6JTHW9D/FnYd/aAbaeQ6SW3d8Hh6f38+tyJGaNCKl9PVjI5n3Q7adgEGkON1ydGB2llCQwKfkutkOlfVfmkJJPoXiihdXmnW76yFMVMIbNsNIlErc8SfKKy X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, 12 Jul 2023 at 01:14, Isaac Manjarres w= rote: > > On Sat, Jul 8, 2023 at 6:03=E2=80=AFAM Amit Pundir wrote: > > Hi Issac, I can't reproduce this crash if I have slub_debug enabled > > https://bugs.linaro.org/attachment.cgi?id=3D1149. > > > > But I can still reproduce the crash, with the same build, if I just > > remove the slub_debug bootarg > > https://bugs.linaro.org/attachment.cgi?id=3D1150 > > > > Hey Amit, > > Thanks for trying this out. John Stultz and I tried this out as well, and= we > couldn't reproduce the issue with slub_debug enabled either. > > However, we were able to reproduce the issue you reported along with > KASAN enabled, which also helped us catch an out-of-bounds access > in the regmap-irq code. Once we fixed it, the memory corruption you > reported was also fixed. I've sent the patch [1] for review. Can you plea= se > test it out and see if it works for you too? It does fix the v6.5-rc1 boot regression I reported above on Dragonboard 845c running AOSP. Thank you. Regards, Amit Pundir > > [1]: https://lore.kernel.org/all/20230711193059.2480971-1-isaacmanjarres@= google.com/ > > Thanks, > Isaac