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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u186-20020a6385c3000000b0046ec058379bsi3770981pgd.99.2022.10.22.00.32.25; Sat, 22 Oct 2022 00:32:37 -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 S230045AbiJVGz3 (ORCPT + 99 others); Sat, 22 Oct 2022 02:55:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229792AbiJVGz1 (ORCPT ); Sat, 22 Oct 2022 02:55:27 -0400 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A20F8144092 for ; Fri, 21 Oct 2022 23:55:26 -0700 (PDT) Received: by mail-io1-f71.google.com with SMTP id y26-20020a5d9b1a000000b006bc71505e97so4041111ion.16 for ; Fri, 21 Oct 2022 23:55:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=NF3UcaKznpcPj6/vW39qsVkC0SlgsHxyw6fjLXpAN/w=; b=kqhqOhNWJ2xgsBtqmCycVeBSFc4WPHPLbTBh5C+8EY4zi9FwLw+ODzOU8n/pnJvSBk aTc1RhSjap5D5KgnNQm9AGkzHtwb0rxYiJZtIe9TmHHAMqFiqArDm9/vY1LE4rW8hRpl 7Roc5yReItThsKG/HnclcxICZzqVtVaTGGprp3Ji6zo8bdSoMtxr2ekHqigbe4W4ypPf TXCYuDwpt/PswwO1dsnRjrM04YASgLciMypWxnFH7SqHdk2eMuhJyty2sApO0aiXYUcm EV9fa/XAtWKPaJzw1DWumeWzvXE/c2uFZTzUpQtPZMQEBSuPtlQkQVl1sahrKBQ9Rjpf QZYw== X-Gm-Message-State: ACrzQf2onPWr1JOvoOr4Wr4C2duibmGNhYg1dqh8Rkx1Ba/WUVQMRyFV /fiD+2e4J4hsOTOIlM2msB9Ih/vZlI/zoFQnXt8zUNlm0q/r MIME-Version: 1.0 X-Received: by 2002:a05:6e02:184a:b0:2fa:3064:2a7a with SMTP id b10-20020a056e02184a00b002fa30642a7amr16710114ilv.97.1666421725593; Fri, 21 Oct 2022 23:55:25 -0700 (PDT) Date: Fri, 21 Oct 2022 23:55:25 -0700 In-Reply-To: <20221021225228.1750-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000000a1405eb9a0bee@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in kernfs_next_descendant_post (2) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, tj@kernel.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.6 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SPF_HELO_NONE,SPF_PASS 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 Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+6bc35f3913193fe7f0d3@syzkaller.appspotmail.com Tested on: commit: aae703b0 Merge tag 'for-6.1-rc1-tag' of git://git.kern.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=17242776880000 kernel config: https://syzkaller.appspot.com/x/.config?x=ea03ca45176080bc dashboard link: https://syzkaller.appspot.com/bug?extid=6bc35f3913193fe7f0d3 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=1223c16a880000 Note: testing is done by a robot and is best-effort only.