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[2620:137:e000::3:5]) by mx.google.com with ESMTPS id u9-20020a17090341c900b001c62cfff798si6112441ple.372.2023.09.27.08.22.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Sep 2023 08:22:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id E55238070712; Wed, 27 Sep 2023 08:10:39 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232315AbjI0PKZ (ORCPT + 99 others); Wed, 27 Sep 2023 11:10:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232294AbjI0PKY (ORCPT ); Wed, 27 Sep 2023 11:10:24 -0400 Received: from mail-oa1-f70.google.com (mail-oa1-f70.google.com [209.85.160.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80041F9 for ; Wed, 27 Sep 2023 08:10:23 -0700 (PDT) Received: by mail-oa1-f70.google.com with SMTP id 586e51a60fabf-1dc580ed1e4so25423823fac.1 for ; Wed, 27 Sep 2023 08:10:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695827423; x=1696432223; 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=y6qE2XlTa4u4RBDlvYz/Aw+cZGD4Gks8ccLO/qfOPBU=; b=lJysEJIC9qz0/4YlsqtTcN60GXIFp91GS/arzc+55wNNJGzPYaqvdI52wAyenrDyzT 1rNkiNTtU+xhxhGdNxTJ1C/9Hz+932lQ9leXo3nn31dIZ5NOwWx2aQyIN+c0eT6kCt+q lUu8h6HZKVw3lqxS7l8X4pfi4kJ/zUbgZy4A6YdZAspf1gBEku1DjiUDaLSCaezkej2c hrwfd9EJ0um3GVSMBGPwBTjsdYS1U+SfNM4lhaSTXSTxNEIGLmvH5SwOBYk+dt98T7OD wD1QyQnyaCdO6/CoZ9I8BPKH2dj4q33UpTGji4RnlNos6qDWvndJ+aosCWhrvnZW4KZX Wq6g== X-Gm-Message-State: AOJu0YyOEFMEeqo0SIqHB23KqsNrJ5niPUBoAWG0oX0LD2wnX0UNKWMZ yXSaXc9kd02qw8e7tEnua8AUO+n+bzNNMihfglJ0CdhRhRci MIME-Version: 1.0 X-Received: by 2002:a05:6870:c342:b0:1d5:a24a:c33 with SMTP id e2-20020a056870c34200b001d5a24a0c33mr861602oak.8.1695827422969; Wed, 27 Sep 2023 08:10:22 -0700 (PDT) Date: Wed, 27 Sep 2023 08:10:22 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000258ac60606589787@google.com> Subject: Re: [syzbot] [overlayfs?] KASAN: invalid-free in ovl_copy_up_one From: syzbot To: amir73il@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-0.4 required=5.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Wed, 27 Sep 2023 08:10:40 -0700 (PDT) Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+477d8d8901756d1cbba1@syzkaller.appspotmail.com Tested on: commit: 8e9b46c4 ovl: do not encode lower fh with upper sb_wri.. git tree: https://github.com/amir73il/linux.git ovl_want_write console output: https://syzkaller.appspot.com/x/log.txt?x=10d10ffa680000 kernel config: https://syzkaller.appspot.com/x/.config?x=bb54ecdfa197f132 dashboard link: https://syzkaller.appspot.com/bug?extid=477d8d8901756d1cbba1 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.