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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e6-20020a1709067e0600b0099bcf2fbb11si1593136ejr.138.2023.07.27.15.22.27; Thu, 27 Jul 2023 15:22:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231272AbjG0V4q (ORCPT + 99 others); Thu, 27 Jul 2023 17:56:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232699AbjG0V4c (ORCPT ); Thu, 27 Jul 2023 17:56:32 -0400 Received: from mail-oo1-f69.google.com (mail-oo1-f69.google.com [209.85.161.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0E7835BE for ; Thu, 27 Jul 2023 14:56:25 -0700 (PDT) Received: by mail-oo1-f69.google.com with SMTP id 006d021491bc7-565c44558b0so2337678eaf.0 for ; Thu, 27 Jul 2023 14:56:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690494985; x=1691099785; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=NTZFcDWEnalsrrsj91+aV+exj/gSz6DkLyYFyJHhczQ=; b=H8XIth6GlgVIfcl+lmNVMzUi/Qy424kkgIenkrjZBkf7gjdOIT5a7jzc9dBzzIERgk xnEIHphbZr7fPsxxZC53Yu2JiEk7Pk7dFAFlGRO1gPdAgRNLEl3+pqL2XDgkZmR7p5cp /CQz0T59iJ1NaFpWymrm8poK4xDFJEX6wNy3z5pebKJGFcu49f5SdR19UarTY+durdIX S5QVzFDZRIUvih/698vnoPSKCuFwVl+YJuHnWkWYdU2EurJNpGZOZM9HWIJ87h76XH2l KmX/0CPccLv4vXEXHtrstep5dNlwaanW4x8tm2pVYOhv+tVcq4b66befOHr9d/oPyBo/ Dyow== X-Gm-Message-State: ABy/qLYwz9UnDB0y/jKSKP8Ien8cCVkwEVvk6NN93yIvTwf1Ptg4YC1t 7sB/Uzwl+feWG+YOkWuBYH9d7BdehupoHRl5gvEc7OsPTL8f MIME-Version: 1.0 X-Received: by 2002:a05:6808:1b24:b0:3a3:7087:bbfb with SMTP id bx36-20020a0568081b2400b003a37087bbfbmr1067033oib.6.1690494985416; Thu, 27 Jul 2023 14:56:25 -0700 (PDT) Date: Thu, 27 Jul 2023 14:56:25 -0700 In-Reply-To: <000000000000b4e906060113fd63@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000019b5b106017f096a@google.com> Subject: Re: [syzbot] [nilfs?] KASAN: slab-use-after-free Read in nilfs_load_inode_block (2) From: syzbot To: akpm@linux-foundation.org, konishi.ryusuke@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nilfs@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 28a65b49eb53e172d23567005465019658bfdb4d Author: Ryusuke Konishi Date: Thu Apr 27 01:15:26 2023 +0000 nilfs2: do not write dirty data after degenerating to read-only bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=177150e5a80000 start commit: 5f0bc0b042fc mm: suppress mm fault logging if fatal signal.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=14f150e5a80000 console output: https://syzkaller.appspot.com/x/log.txt?x=10f150e5a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=5d10d93e1ae1f229 dashboard link: https://syzkaller.appspot.com/bug?extid=74db8b3087f293d3a13a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15176d81a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=132d93d9a80000 Reported-by: syzbot+74db8b3087f293d3a13a@syzkaller.appspotmail.com Fixes: 28a65b49eb53 ("nilfs2: do not write dirty data after degenerating to read-only") For information about bisection process see: https://goo.gl/tpsmEJ#bisection