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 E3713C433FE for ; Tue, 11 Oct 2022 22:01:06 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 548F96B0071; Tue, 11 Oct 2022 18:01:06 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4CFC46B0073; Tue, 11 Oct 2022 18:01:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3494B6B0074; Tue, 11 Oct 2022 18:01:06 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 1DB556B0071 for ; Tue, 11 Oct 2022 18:01:06 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id C2B6C80715 for ; Tue, 11 Oct 2022 22:01:05 +0000 (UTC) X-FDA: 80010039690.06.8F0BDEE Received: from mail-oi1-f172.google.com (mail-oi1-f172.google.com [209.85.167.172]) by imf08.hostedemail.com (Postfix) with ESMTP id 635A716003A for ; Tue, 11 Oct 2022 22:01:04 +0000 (UTC) Received: by mail-oi1-f172.google.com with SMTP id m81so17375976oia.1 for ; Tue, 11 Oct 2022 15:01:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=MLQ5H7VESPaoiRxKUhIPt15sPGVXkePVqvxi8nROcR0=; b=fJgT1fNJ1aTxX12kjM1cAQEVjPj1Z/0sqrF8ePDLrQC1i5KTJeRhzvI35WjgpWw2B5 opEblo3/z61LnB0BaDA9P0Ne5irPXIaqnse07KrqhvExJrCKNJ+21uSW3qy55iQYqc6v q+uZmglxGfJw5SPfSGWM/NUXdTY+z/3jdUkJM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=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=MLQ5H7VESPaoiRxKUhIPt15sPGVXkePVqvxi8nROcR0=; b=uFtRQz083wmAC0tDpPUUkX7KMSxhzi5voZtYBXfK8Mlj6m9y3yFJg/Pzcfj0cWqbW/ nBYiFmSvrMDAqZ8R6TWzVhWsfLQtTmXXKKJDG4DvCRM9LLYBD1sRLQkCd5Nc3BCANSDl CKsn/Tp/bhJn0Eplv6nDoQXLl55ASunU145nYRUkP/ie8p0c2N2bknmcQ0OolNxT74gY Yr7VsmbGnj2rXcmwkzr4/9eqfccIp2t7TFqbDRSKUrRkGr5YazvzW2Xz9TsnN38SwH+p SSW0DGYJQOIT27KUE68IxETd73PIWmBsPccStYqTizJESA/pcqphCsuj8sVqmkIr032z sYng== X-Gm-Message-State: ACrzQf25+Y/swmmhfs0JLsWMfFu7dBJEADjrbic9/Rc6WFulCov2Pg1s O+DdE3uR/GdJMPYhRucEACoJtEtXoheW5Q== X-Google-Smtp-Source: AMsMyM6bpGpxWgQPIoYUjOGQ3JyhQNMMttcdKtzVyvrn7+wpCR5DrzddyaxYO1fqoSfvqCGXT58NMQ== X-Received: by 2002:a05:6808:30a8:b0:350:2323:ef2e with SMTP id bl40-20020a05680830a800b003502323ef2emr643656oib.38.1665525662904; Tue, 11 Oct 2022 15:01:02 -0700 (PDT) Received: from mail-oi1-f175.google.com (mail-oi1-f175.google.com. [209.85.167.175]) by smtp.gmail.com with ESMTPSA id c38-20020a05687047a600b0012779ba00fesm453281oaq.2.2022.10.11.15.01.01 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Oct 2022 15:01:01 -0700 (PDT) Received: by mail-oi1-f175.google.com with SMTP id x188so8381062oig.5 for ; Tue, 11 Oct 2022 15:01:01 -0700 (PDT) X-Received: by 2002:aca:b957:0:b0:351:4ecf:477d with SMTP id j84-20020acab957000000b003514ecf477dmr627093oif.126.1665525661470; Tue, 11 Oct 2022 15:01:01 -0700 (PDT) MIME-Version: 1.0 References: <20221008132113.919b9b894426297de78ac00f@linux-foundation.org> <20221011184444.npthr2pmzqb32x6z@treble> <20221011185907.s3kakdlrxcqr6boh@treble> <20221011190548.blixlqj6dripitaf@treble> In-Reply-To: <20221011190548.blixlqj6dripitaf@treble> From: Linus Torvalds Date: Tue, 11 Oct 2022 15:00:45 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] kasan: disable stackleak plugin in report code To: Josh Poimboeuf Cc: Peter Zijlstra , Andrew Morton , Alexander Potapenko , Andrey Konovalov , mm-commits@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1665525664; a=rsa-sha256; cv=none; b=wKopkwrZjsK8MZySNufEnoKvgqbCIzZJhb69ZH+10dI+eNQ0U0I2Qqu5psmUqdF1D+J19U txeLx0IQn6vt4aO1teEL1yGYOZNFOqXwSCVyBhb6l1WBZMaVQpZI656hm3uU/dhseBGh+g HgV2VUUDy99YKzS7q6lNZpQKRGxgkGA= ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=google header.b=fJgT1fNJ; spf=pass (imf08.hostedemail.com: domain of torvalds@linuxfoundation.org designates 209.85.167.172 as permitted sender) smtp.mailfrom=torvalds@linuxfoundation.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1665525664; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=MLQ5H7VESPaoiRxKUhIPt15sPGVXkePVqvxi8nROcR0=; b=0x8EtiQCY4dDmQPBijjgGNViTejOIo4guNGqu7ndy4uEZKUwy8rpt/SUXOagnn0C2LCpu/ dIepMTwlr92joZFJEX9CzdyPwOxAc+5iy7nEZwwwelWs6Y22/mzMnC03VHYz7+gpEBHLwX psWDjwPndaoen9c0f+emAP93dAF/MYQ= X-Stat-Signature: 95zaogzgkampid7utcb5bm61nt9arzyh X-Rspamd-Queue-Id: 635A716003A X-Rspam-User: X-Rspamd-Server: rspam08 Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=google header.b=fJgT1fNJ; spf=pass (imf08.hostedemail.com: domain of torvalds@linuxfoundation.org designates 209.85.167.172 as permitted sender) smtp.mailfrom=torvalds@linuxfoundation.org; dmarc=none X-HE-Tag: 1665525664-249721 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 Tue, Oct 11, 2022 at 12:05 PM Josh Poimboeuf wrote: > > kasan_report() has a uaccess critical section which can't have any > instrumentation calls in the middle. Disable the stackleak plugin for > the report code. I see Andrew already picked this up, but I can confirm that it obviously fixes the problem here for me. I'll get it the usual channels from Andrew. Thanks, Linus