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[2620:137:e000::1:20]) by mx.google.com with ESMTP id c65-20020a621c44000000b00562512ae9easi23922362pfc.159.2022.10.21.07.30.55; Fri, 21 Oct 2022 07:31:07 -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 S231364AbiJUN77 (ORCPT + 99 others); Fri, 21 Oct 2022 09:59:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44740 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231302AbiJUN7o (ORCPT ); Fri, 21 Oct 2022 09:59:44 -0400 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F2582A412 for ; Fri, 21 Oct 2022 06:59:26 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id l10-20020a056e021aaa00b002ff950bc0deso1525926ilv.19 for ; Fri, 21 Oct 2022 06:59:26 -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=BUVxkOrQ0ve+76/9pJtO6CtnkmWrKX6j90T6Mm/+oY0=; b=CDEdVAQc7YfAR1XzT5gxW2Pv+dvejBpPfwtvJaAGsFF+gTC5WoDAdtBV3U4fYygBlR di80HO/iyM30dQJqW1PLuqQ4ifgIJvEux+UFqAG2HhlPILdnPnnBFojzLbKxaol9/IBl eS+cPTLFLK6P+4ooKOWUhXoWKK364vfP6Kt2CrLBjxY+cALZeYsnvL1FMLEkTd/DJgG4 vQT8YfkM5XFC+nc2oiaq4t4J8iu6qAA8P8ghZMRxK95yRTj/AkyqBhE8VxAusR3kH9D3 dJkHSe36LXopl+BllqE8Ev5BPXeCM8qoz71a8MCMUkmNRQubfcL+VWncOg25L5c2UQ2n ZIeQ== X-Gm-Message-State: ACrzQf0M+AxytVfAUffbpqVVzQ1Fo666O8ya9g6SolQLcQK/Pm/JySqG bam+54ArGFNvlyU/qBtRS+4f12tnY9jHS3o9QTpo4Ftc/hN6 MIME-Version: 1.0 X-Received: by 2002:a05:6602:2e0b:b0:6bc:d134:4791 with SMTP id o11-20020a0566022e0b00b006bcd1344791mr14618026iow.45.1666360765409; Fri, 21 Oct 2022 06:59:25 -0700 (PDT) Date: Fri, 21 Oct 2022 06:59:25 -0700 In-Reply-To: <20221021133530.1693-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007d6fff05eb8bd978@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,URIBL_BLOCKED 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=16261486880000 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=1103ce4a880000 Note: testing is done by a robot and is best-effort only.