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=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS 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 6A26DC433F5 for ; Tue, 7 Sep 2021 14:04:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4B21B60F43 for ; Tue, 7 Sep 2021 14:04:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232251AbhIGOFL (ORCPT ); Tue, 7 Sep 2021 10:05:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229650AbhIGOFJ (ORCPT ); Tue, 7 Sep 2021 10:05:09 -0400 Received: from mail-ua1-x92d.google.com (mail-ua1-x92d.google.com [IPv6:2607:f8b0:4864:20::92d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 635F3C061757 for ; Tue, 7 Sep 2021 07:04:03 -0700 (PDT) Received: by mail-ua1-x92d.google.com with SMTP id z3so1754966uav.13 for ; Tue, 07 Sep 2021 07:04:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=VTa4HJUTB1E1dZjIkPVAASLfWDZL+qHUwuV+ayrSHns=; b=inAAuNIv+kI+xZOAB3EPk8wdYMUUsfj7bQDBPvEPuHgsxCGL2nhDmG3LE+HhdOcbOw lPrIDz7iTpgssZaKhgNCT6GVLHco2hYg/6mfEZyi3olJMD+CwWd7XLW4+7mfs5dKEIZE R9VG+5TLBrqOJb5NQyugyhRxUhAmbs9ehI2Y0= 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=VTa4HJUTB1E1dZjIkPVAASLfWDZL+qHUwuV+ayrSHns=; b=tutFpGjESF4jFaZXChzQbUYXbjxkZiuWLoE5DbQoGG91bKaaltASNw+6sYjqpK6M6A OoGmIbue9aU8QL8kGk7wB5+zk51vMkzLw3y6XLOzGrugn0LmQP1/+JmuW8ZWrpbFQ/gK EseWQABFdtXFJwu6Q3atpoZA9SWemz5CAu/lpbCUskOUBdSAKGzNHJBD8LB2RLsL0oAx 5i4gIJLW2Lak/2HUjMGQEM7zi2WdLcHtMFGoVqUX+J5QyNgr4ezZvB5oiEbx5gbBI17d OIb1y30dsQT7BR4BB1lqbNeuslo06J6fxbcZyYMyDlLAnY18T4gDH6xYCJP5qyn7Rxji l7Pw== X-Gm-Message-State: AOAM533cKbmW1l3hCs5NUx5Yg7NVUn1ph9yJVTSL54Mx6y1J3xvBCWlw jXFrS0KPRbinvg43SKuJDC/NsrtnH8T4hdG3P7DEhw== X-Google-Smtp-Source: ABdhPJzHZPZRuPRuZt20E9scsXEEBlFoT3cMFyw+EIRxLSIpN/j+ITmscvSnHyr2vYNsPuKFUBnq1obCZEM2sWB3bBc= X-Received: by 2002:a9f:234a:: with SMTP id 68mr43793uae.13.1631023442512; Tue, 07 Sep 2021 07:04:02 -0700 (PDT) MIME-Version: 1.0 References: <0000000000006dd93205cad885e5@google.com> In-Reply-To: <0000000000006dd93205cad885e5@google.com> From: Miklos Szeredi Date: Tue, 7 Sep 2021 16:03:49 +0200 Message-ID: Subject: Re: [syzbot] WARNING in ovl_create_real To: syzbot Cc: linux-kernel@vger.kernel.org, overlayfs , syzkaller-bugs Content-Type: multipart/mixed; boundary="000000000000e9785505cb683cfb" Precedence: bulk List-ID: X-Mailing-List: linux-unionfs@vger.kernel.org --000000000000e9785505cb683cfb Content-Type: text/plain; charset="UTF-8" #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master --000000000000e9785505cb683cfb Content-Type: text/x-patch; charset="US-ASCII"; name="ovl-test.patch" Content-Disposition: attachment; filename="ovl-test.patch" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_kta57rjk0 ZGlmZiAtLWdpdCBhL2ZzL292ZXJsYXlmcy9kaXIuYyBiL2ZzL292ZXJsYXlmcy9kaXIuYwppbmRl eCAxZmVmYjJiODk2MGUuLjBmNmMxMGVjNTZjMSAxMDA2NDQKLS0tIGEvZnMvb3ZlcmxheWZzL2Rp ci5jCisrKyBiL2ZzL292ZXJsYXlmcy9kaXIuYwpAQCAtMTUwLDYgKzE1MCw5IEBAIHN0YXRpYyBp bnQgb3ZsX21rZGlyX3JlYWwoc3RydWN0IGlub2RlICpkaXIsIHN0cnVjdCBkZW50cnkgKipuZXdk ZW50cnksCiAJaWYgKGxpa2VseSghZF91bmhhc2hlZChkZW50cnkpKSkKIAkJcmV0dXJuIDA7CiAK Kwlwcl9pbmZvKCJ1bmhhc2hlZCBkZW50cnkgYWZ0ZXIgbWtkaXIgKCVzKVxuIiwKKwkJZGVudHJ5 LT5kX3NiLT5zX3R5cGUtPm5hbWUpOworCiAJLyoKIAkgKiB2ZnNfbWtkaXIoKSBtYXkgc3VjY2Vl ZCBhbmQgbGVhdmUgdGhlIGRlbnRyeSBwYXNzZWQKIAkgKiB0byBpdCB1bmhhc2hlZCBhbmQgbmVn YXRpdmUuIElmIHRoYXQgaGFwcGVucywgdHJ5IHRvCkBAIC0yMDksNyArMjEyLDEwIEBAIHN0cnVj dCBkZW50cnkgKm92bF9jcmVhdGVfcmVhbChzdHJ1Y3QgaW5vZGUgKmRpciwgc3RydWN0IGRlbnRy eSAqbmV3ZGVudHJ5LAogCQkJZXJyID0gLUVQRVJNOwogCQl9CiAJfQotCWlmICghZXJyICYmIFdB Uk5fT04oIW5ld2RlbnRyeS0+ZF9pbm9kZSkpIHsKKwlpZiAoIWVyciAmJiAhbmV3ZGVudHJ5LT5k X2lub2RlKSB7CisJCXByX3dhcm4oIm5lZ2F0aXZlIGRlbnRyeSBhZnRlciBta2RpciAoJXMpXG4i LAorCQkJbmV3ZGVudHJ5LT5kX3NiLT5zX3R5cGUtPm5hbWUpOworCQlXQVJOX09OKDEpOwogCQkv KgogCQkgKiBOb3QgcXVpdGUgc3VyZSBpZiBub24taW5zdGFudGlhdGVkIGRlbnRyeSBpcyBsZWdh bCBvciBub3QuCiAJCSAqIFZGUyBkb2Vzbid0IHNlZW0gdG8gY2FyZSBzbyBjaGVjayBhbmQgd2Fy biBoZXJlLgo= --000000000000e9785505cb683cfb--