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=-18.3 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_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 C4D92C433ED for ; Tue, 18 May 2021 14:41:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A670E60FF1 for ; Tue, 18 May 2021 14:41:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234972AbhEROnB (ORCPT ); Tue, 18 May 2021 10:43:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58104 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234201AbhEROnA (ORCPT ); Tue, 18 May 2021 10:43:00 -0400 Received: from mail-ot1-x32b.google.com (mail-ot1-x32b.google.com [IPv6:2607:f8b0:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23CF5C061573 for ; Tue, 18 May 2021 07:41:42 -0700 (PDT) Received: by mail-ot1-x32b.google.com with SMTP id t10-20020a05683022eab0290304ed8bc759so8801205otc.12 for ; Tue, 18 May 2021 07:41:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=+wL+2v0M/vNbXileTKiIKiGd46p3pZGmfkxwPNchYXI=; b=HZP+u1nq3armhATM7vYlr3S898E9NMIii8LPHjXGz/dtwZmIfrtiFEhY++b3BnBMDJ s2A1AeTwm8LVFtpj8+UaJp3LAdgbYELyc8I/Y6V6rv/u4EQM276LDbA4gXxdIIHYh5m4 5GxpZLksBDL/c3KNFuGsFwMidRO/DbC3/TVS3e0b/eNoyP4upezS7l5VYOg4X4VZ6aVW hNEVeaZhuNP2kScEJChpSDV9+5b+YjnBxcjQLcNVuVpdgPO4En02T0hPxj3teOuA+vqB yZYjdT906dhvKZ+G+m1R0fO1nw0GLLfE5AwtzJqJZAO8Qu2t70L2zz+eiXew8KNV7Kqs iYyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+wL+2v0M/vNbXileTKiIKiGd46p3pZGmfkxwPNchYXI=; b=UijTq9JC705xVRqEO7a3+7kQmnOeyPaqyTg4vF6VpnL0YOTjPfXzoAFWzKpPhhM5oi 6Wta95QW+SnR33qf17ubCkdVCqZpGnkjfolx681ocjkJJSAOQxJ0Dp/ULorov5u8qDTN wAbhSV2NVVBDY/Zh/7+XO3JN22UhSr7fFTv3pEEngG3NXNYw/06w426glewWeDnoN191 Ov9HDLUO6omXIwzwm+dDFSrjg/kdQQnoUlgZoM/mQ3BjoEp8CGBC7+n2fn+1kK2yzB+A l8pj+BDcHl6oVpUwC6qdiGVGCjmKZWePyWsLOAXtkb41kFtvKzxZWqSbPjy2LS7vwFnf 9Axg== X-Gm-Message-State: AOAM531RuJ0ysItqSGycwVF6B/PKIiJhZXGhBN+4YqejwCrPlbNVvbCx Ux/g9bpT15GH9L+h8t/t+QJK+v6oNleEYEj8tuprnQ== X-Google-Smtp-Source: ABdhPJwbXsVUEMSFLRzDCWZ0OB5IgIKwbMCKuf5DQIhUZcrxB2BgDidhPVmoxUCxNOGeS24zAGQDQHAtmUwMID0NXCY= X-Received: by 2002:a9d:1ea9:: with SMTP id n38mr4608528otn.233.1621348901293; Tue, 18 May 2021 07:41:41 -0700 (PDT) MIME-Version: 1.0 References: <0000000000003f654905c168b09d@google.com> <8ca64b7f-efd4-0d4a-3235-0b2a4755d8d6@kernel.org> In-Reply-To: <8ca64b7f-efd4-0d4a-3235-0b2a4755d8d6@kernel.org> From: Marco Elver Date: Tue, 18 May 2021 16:41:29 +0200 Message-ID: Subject: Re: [syzbot] KFENCE: use-after-free in kmem_cache_destroy To: Chao Yu Cc: linux-f2fs-devel@lists.sourceforge.net, Dmitry Vyukov , jaegeuk@kernel.org, LKML , syzkaller-bugs , chenyi77@huawei.com, zhuangyi1@huawei.com, wangxiaojun11@huawei.com, stummala@codeaurora.org, syzbot Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 18 May 2021 at 16:26, Chao Yu wrote: > Hi Macro, > > I've figured out a patch for this issue. > > 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. #syz fix: f2fs: fix to avoid racing on fsync_entry_slab by multi filesystem instances Thanks, -- Marco