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 X-Spam-Level: X-Spam-Status: No, score=-19.8 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4002C433B4 for ; Tue, 18 May 2021 14:47:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A3C6C611CC for ; Tue, 18 May 2021 14:47:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242827AbhEROsx (ORCPT ); Tue, 18 May 2021 10:48:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59596 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235434AbhEROsv (ORCPT ); Tue, 18 May 2021 10:48:51 -0400 Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C6899C061573 for ; Tue, 18 May 2021 07:47:32 -0700 (PDT) Received: by mail-wr1-x429.google.com with SMTP id y14so8457920wrm.13 for ; Tue, 18 May 2021 07:47:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=dB+ePFTvUsUaS+lArpYnJP5LI9VI+hSBypIe+Bx+BVk=; b=X1DM7UnsDMsUdjsqO7UHHqWdYQPerdamEtCvZyxQxdp7yTglA0kVecDXT/jbTcgQwe krroyzjuA5FuSKs1epriqJ49tmgp1dJABl1j96KtGeUOWeiB30AjX3lYJGiF8TtBF/Z6 kEaKdXb1SPfsWY9nKoLNW/u3HXjCsQvasxA2L6khtv1SqYBykwcZr3yYD7QiyfO6Qbo9 JirRgFWllForsxQFKAhrMrkboFZvBpxM/1GEsMv4xl0px/FuI4B0L/mq26nWhJutaZ74 1xhI9mJ8//dpZVCJSUDWO6ygHzR8h4YCsWSbeLCN8w2b+NNWUBXVwMSHLm7nTft9U+fU oA6Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=dB+ePFTvUsUaS+lArpYnJP5LI9VI+hSBypIe+Bx+BVk=; b=hqQRHBcPK1Ldv2gSmm9M/0azCFeq2srR89hWf8KojLxYffNJRzv86y12a1hhwWmui/ /T0G/UuSEWwvPDeIscu28Etdqy6g76TGhy+dhZlxWr0K3EYi0kxscEjBvknp+2RzkVIK 2aA2rDjHC+SSE/Ghf1zqE8EKiUubKA4fpwLPbm2BNpyLyJ9+wWrQuvZXQqhiiFleR/EI TXF0n2yF4g2Dy2LnHvISooTVM92d9Tr+UFxn9hNGsIraU7Oj8JvtMv4gDOLfRp+NNNbs f2d75s8LMRH7/QkFMM5uYAiKwWH8SrXtSvZVTxTK1TxwCymmcP7YANY5asp1IOvE8V/h sbiw== X-Gm-Message-State: AOAM532+jhrbXYX/qsyi2NSsEx+I/iqQvG75WwigYvIS84xJ+8wWCXfZ 43yiAwEeMPG3W8JOsxuRcPVxQA== X-Google-Smtp-Source: ABdhPJxH+tWw0XX3qtZokWWh3OOlpCscv0PWh+9j1Afl8eVfSzPZdbs69GNg2ugb0h52GYgReQGFkA== X-Received: by 2002:adf:efc2:: with SMTP id i2mr7823812wrp.28.1621349251362; Tue, 18 May 2021 07:47:31 -0700 (PDT) Received: from elver.google.com ([2a00:79e0:15:13:d372:a165:d598:6e85]) by smtp.gmail.com with ESMTPSA id z3sm2134574wrq.42.2021.05.18.07.47.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 May 2021 07:47:30 -0700 (PDT) Date: Tue, 18 May 2021 16:47:25 +0200 From: Marco Elver To: syzbot Cc: Dmitry Vyukov , LKML , syzkaller-bugs Subject: Re: [syzbot] KFENCE: use-after-free in kmem_cache_destroy Message-ID: References: <0000000000003f654905c168b09d@google.com> <8ca64b7f-efd4-0d4a-3235-0b2a4755d8d6@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/2.0.5 (2021-01-21) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [-Cc most to avoid spam] > > https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=dev&id=cad83c968c2ebe97905f900326988ed37146c347 > > Ah, nice, thank you! > I wasn't sure if there had already been a fix, so I just wanted to follow up. Let's try again without the line break that GMail introduces... #syz fix: f2fs: fix to avoid racing on fsync_entry_slab by multi filesystem instances