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=-10.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 0A3CCC433DF for ; Tue, 14 Jul 2020 07:54:01 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C8872208FE for ; Tue, 14 Jul 2020 07:54:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="l4L6rpj/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C8872208FE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From:In-Reply-To: References:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LHpBfwnP5sFAVxlrip9jyJ93CG8IFqHjHACrsl3GtiQ=; b=l4L6rpj/U/X7lr+aX7emxVrrV iZDx7NmCb/dttS1f3Z5DlCg36s6cfWiyw+VtZp6MkRdV0hmEKq2/hAsokXleIge/6s5xdz3FXbOhJ BohG3aD0AWrUChTsAxVJiXu26SPmuYS/QxETh6DR/wRCBOvMK1v3L7v1LKaGhRUSwbWfK6eXsTpsj esKiiZOE41QyhSeRKbetbJer/Bu9YJv2CMLECYmWbTGWPOzwFJLHZaK4efHRKL7NsnvEO5d71iMgK Dg7Dt+wvwsSHWsfQ1dj6SXE9zDyS8DYAOWLA+NG/rCOV/LCLLLn+x54vU22UF1afcu0HZOneBbb2Y ILwAW+r2A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvFk1-0000JX-V9; Tue, 14 Jul 2020 07:52:41 +0000 Received: from mail-ot1-f68.google.com ([209.85.210.68]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvFjz-0000HL-7s for linux-arm-kernel@lists.infradead.org; Tue, 14 Jul 2020 07:52:39 +0000 Received: by mail-ot1-f68.google.com with SMTP id w17so12379375otl.4 for ; Tue, 14 Jul 2020 00:52:36 -0700 (PDT) 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:content-transfer-encoding; bh=GnEuOKgk5NDFLsvpeWRSzwDF6EpvyIkpFCLXT7y40fg=; b=gJC86K8dwPTJNQxxWGt4hSLlUVnxyjmQsD9x3uDRfNSog2droGPa2xoi2wQQLDUw8L jGdfVkr6vUgrKcZm76eo+BpaN5+1YYTRZECXFuoATXDMyN3fzki40ALwYQUNV76hn4OJ JAUyq1UHXc4jQJfQlk7J1EMVLcvlTeiwoGvzJy5mHiiCyDOacQL0AHH0rSueSNyD4qjJ PRK8lHmHRdYtU0Lbmroi4pUMgKF/10KMORygHD+QZLZZgkT1Mx8/m3IXXM9Qn/rB4lv+ MhfTbtzSGNNsqrNtgVnTvYxWLVg6VpATST3ufDRwbak9CZi2kcdPNR8/BRndqEMSDVSI LL5w== X-Gm-Message-State: AOAM531aO+D665MMj7Rjt8fuLi1YARP2JhmQmznzZ3PWZc84rirxsnOt 7tMlKTJiShQl3RANjOcv5Fw5loU8rEsSEF6G0VY= X-Google-Smtp-Source: ABdhPJzdS12a/uWolHgEC3gpYiGBybd4Zi8ZYldU0JBDZ5G9jsxfax+2eUWX3ZtMac7Nle8TPmpzfzv5dWFvCLG7AEM= X-Received: by 2002:a9d:1b0d:: with SMTP id l13mr2954831otl.145.1594713156044; Tue, 14 Jul 2020 00:52:36 -0700 (PDT) MIME-Version: 1.0 References: <20200626130525.389469-1-lee.jones@linaro.org> <20200626130525.389469-2-lee.jones@linaro.org> <20200714074629.GG3500@dell> In-Reply-To: <20200714074629.GG3500@dell> From: Geert Uytterhoeven Date: Tue, 14 Jul 2020 09:52:24 +0200 Message-ID: Subject: Re: [PATCH 01/10] misc: c2port: core: Ensure source size does not equal destination size in strncpy() To: Lee Jones X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200714_035239_346404_3F2BD492 X-CRM114-Status: GOOD ( 29.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arnd Bergmann , Greg KH , Linux Kernel Mailing List , "Eurotech S.p.A" , Rodolfo Giometti , Linux ARM Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGkgTGVlLAoKT24gVHVlLCBKdWwgMTQsIDIwMjAgYXQgOTo0NiBBTSBMZWUgSm9uZXMgPGxlZS5q b25lc0BsaW5hcm8ub3JnPiB3cm90ZToKPiBPbiBNb24sIDEzIEp1bCAyMDIwLCBHZWVydCBVeXR0 ZXJob2V2ZW4gd3JvdGU6Cj4gPiBPbiBGcmksIEp1biAyNiwgMjAyMCBhdCAzOjA2IFBNIExlZSBK b25lcyA8bGVlLmpvbmVzQGxpbmFyby5vcmc+IHdyb3RlOgo+ID4gPiBXZSBuZWVkIHRvIGVuc3Vy ZSB0aGVyZSdzIGEgcGxhY2UgZm9yIHRoZSBOVUxMIHRlcm1pbmF0b3IuCj4gPgo+ID4gQnV0IHdo bydzIGZpbGxpbmcgdGhhdCBzcGFjZSB3aXRoIGEgTlVMIChub3QgTlVMTCkgdGVybWluYXRvcj8K PiA+Cj4gPiA+IEZpeGVzIHRoZSBmb2xsb3dpbmcgVz0xIHdhcm5pbmcocyk6Cj4gPiA+Cj4gPiA+ ICBJbiBmaWxlIGluY2x1ZGVkIGZyb20gaW5jbHVkZS9saW51eC9iaXRtYXAuaDo5LAo+ID4gPiAg ZnJvbSBpbmNsdWRlL2xpbnV4L25vZGVtYXNrLmg6OTUsCj4gPiA+ICBmcm9tIGluY2x1ZGUvbGlu dXgvbW16b25lLmg6MTcsCj4gPiA+ICBmcm9tIGluY2x1ZGUvbGludXgvZ2ZwLmg6NiwKPiA+ID4g IGZyb20gaW5jbHVkZS9saW51eC91bWguaDo0LAo+ID4gPiAgZnJvbSBpbmNsdWRlL2xpbnV4L2tt b2QuaDo5LAo+ID4gPiAgZnJvbSBpbmNsdWRlL2xpbnV4L21vZHVsZS5oOjE2LAo+ID4gPiAgZnJv bSBkcml2ZXJzL21pc2MvYzJwb3J0L2NvcmUuYzo5Ogo+ID4gPiAgSW4gZnVuY3Rpb24g4oCYc3Ry bmNweeKAmSwKPiA+ID4gIGlubGluZWQgZnJvbSDigJhjMnBvcnRfZGV2aWNlX3JlZ2lzdGVy4oCZ IGF0IGRyaXZlcnMvbWlzYy9jMnBvcnQvY29yZS5jOjkyNjoyOgo+ID4gPiAgaW5jbHVkZS9saW51 eC9zdHJpbmcuaDoyOTc6MzA6IHdhcm5pbmc6IOKAmF9fYnVpbHRpbl9zdHJuY3B54oCZIHNwZWNp ZmllZCBib3VuZCAzMiBlcXVhbHMgZGVzdGluYXRpb24gc2l6ZSBbLVdzdHJpbmdvcC10cnVuY2F0 aW9uXQo+ID4gPiAgMjk3IHwgI2RlZmluZSBfX3VuZGVybHlpbmdfc3RybmNweSBfX2J1aWx0aW5f c3RybmNweQo+ID4gPiAgfCBeCj4gPiA+ICBpbmNsdWRlL2xpbnV4L3N0cmluZy5oOjMwNzo5OiBu b3RlOiBpbiBleHBhbnNpb24gb2YgbWFjcm8g4oCYX191bmRlcmx5aW5nX3N0cm5jcHnigJkKPiA+ ID4gIDMwNyB8IHJldHVybiBfX3VuZGVybHlpbmdfc3RybmNweShwLCBxLCBzaXplKTsKPiA+ID4g IHwgXn5+fn5+fn5+fn5+fn5+fn5+fn4KPiA+ID4KPiA+ID4gQ2M6IFJvZG9sZm8gR2lvbWV0dGkg PGdpb21ldHRpQGxpbnV4Lml0Pgo+ID4gPiBDYzogIkV1cm90ZWNoIFMucC5BIiA8aW5mb0BldXJv dGVjaC5pdD4KPiA+ID4gU2lnbmVkLW9mZi1ieTogTGVlIEpvbmVzIDxsZWUuam9uZXNAbGluYXJv Lm9yZz4KPiA+ID4gLS0tCj4gPiA+ICBkcml2ZXJzL21pc2MvYzJwb3J0L2NvcmUuYyB8IDIgKy0K PiA+ID4gIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQo+ID4g Pgo+ID4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9taXNjL2MycG9ydC9jb3JlLmMgYi9kcml2ZXJz L21pc2MvYzJwb3J0L2NvcmUuYwo+ID4gPiBpbmRleCAzM2JiYTE4MDIyODkyLi44MGQ4N2U4YTBi ZWE5IDEwMDY0NAo+ID4gPiAtLS0gYS9kcml2ZXJzL21pc2MvYzJwb3J0L2NvcmUuYwo+ID4gPiAr KysgYi9kcml2ZXJzL21pc2MvYzJwb3J0L2NvcmUuYwo+ID4gPiBAQCAtOTIzLDcgKzkyMyw3IEBA IHN0cnVjdCBjMnBvcnRfZGV2aWNlICpjMnBvcnRfZGV2aWNlX3JlZ2lzdGVyKGNoYXIgKm5hbWUs Cj4gPiA+ICAgICAgICAgfQo+ID4gPiAgICAgICAgIGRldl9zZXRfZHJ2ZGF0YShjMmRldi0+ZGV2 LCBjMmRldik7Cj4gPgo+ID4gYzJkZXYgaXMgYWxsb2NhdGVkIHVzaW5nOgo+ID4KPiA+ICAgICAg ICAgYzJkZXYgPSBrbWFsbG9jKHNpemVvZihzdHJ1Y3QgYzJwb3J0X2RldmljZSksIEdGUF9LRVJO RUwpOwo+ID4KPiA+IGhlbmNlIHRoZSBhbGxvY2F0ZWQgbWVtb3J5IGlzIG5vdCB6ZXJvZWQuCj4g Pgo+ID4gPgo+ID4gPiAtICAgICAgIHN0cm5jcHkoYzJkZXYtPm5hbWUsIG5hbWUsIEMyUE9SVF9O QU1FX0xFTik7Cj4gPiA+ICsgICAgICAgc3RybmNweShjMmRldi0+bmFtZSwgbmFtZSwgQzJQT1JU X05BTUVfTEVOIC0gMSk7Cj4gPgo+ID4gc3RybmNweSgpCj4gPiAgIDEuIGRvZXMgbm90IHRlcm1p bmF0ZSB0aGUgZGVzdGluYXRpb24gd2l0aCBhIE5VTCBpZiB0aGUgc291cmNlIGxlbmd0aAo+ID4g ICAgICAgaXMgQzJQT1JUX05BTUVfTEVOIC0gMSwKPiA+ICAgMi4gZmlsbHMgYWxsIHJlbWFpbmlu ZyBzcGFjZSBpbiB0aGUgZGVzdGluYXRpb24gYnVmZmVyIHdpdGggTlVMIGNoYXJhY3RlcnMuCj4g Pgo+ID4gU28gYzJkZXYubmFtZVtDMlBPUlRfTkFNRV9MRU4gLSAxXSBhbHdheXMgY29udGFpbnMg YW4gdW5pbml0aWFsaXplZAo+ID4gdmFsdWUuCj4gPgo+ID4gTm93LCBpdCBzZWVtcyB0aGUgb25s eSBjYWxsZXIgb2YgYzJwb3J0X2RldmljZV9yZWdpc3RlcigpIHBhc3Nlcwo+ID4gInVjIiBhcyB0 aGUgbmFtZS4gIFdoaWNoIG1lYW5zIGluIHByYWN0aWNlIGMyZGV2Lm5hbWVbXSB3aWxsIGJlCj4g PiBOVUwtdGVybWluYXRlZC4gSG93ZXZlciwgdGhlIGxhc3QgYnl0ZSB3aWxsIHN0aWxsIGJlIHVu aW5pdGlhbGl6ZWQsIGFuZAo+ID4gaWYgdGhlIGJ1ZmZlciBpcyBldmVyIGNvcGllZCB0byB1c2Vy c3BhY2UsIHlvdXIgcGF0Y2ggd2lsbCBoYXZlIGludHJvZHVjZWQKPiA+IGEgbGVhay4KPgo+IFF1 aXRlIHJpZ2h0LiAgR29vZCBzcG90LiAgSSBtdXN0IGhhdmUgbWFkZSB0aGUgYXNzdW1wdGlvbiB0 aGF0IHRoZQo+IGRlc3RpbmF0aW9uIGJ1ZmZlciB3b3VsZCBiZSBwcmUtaW5pdGlhbGlzZWQuICBO b3Qgc3VyZSB3aHkgaXQncyBub3QgaW4KPiB0aGlzIGNhc2UuICBTZWVtcyBsaWtlIGFuIG9kZCBw cmFjdGljZS4KPgo+IFNvIHdlIGhhdmUgYSBjaG9pY2UuICBXZSBjYW4gZWl0aGVyIGVubGFyZ2Ug dGhlIGRlc3RpbmF0aW9uIGJ1ZmZlciB0bwo+ICphY3R1YWxseSogYWxsb3cgYSBmdWxsIGxlbmd0 aCAoMzIgYnl0ZSBpbiB0aGlzIGNhc2UpIG5hbWluZyBzdHJpbmcsCj4gb3IgemVybyB0aGUgYnVm ZmVyLgo+Cj4gT3IgZXZlbiBib3RoIQo+Cj4gRG8geW91IGhhdmUgYSBwcmVmZXJlbmNlPwoKRG8g d2Uga25vdyBpZiB0aGUgYnVmZmVyIG9yIGZ1bGwgYzJkZXYgc3RydWN0IGlzIGV2ZXIgY29waWVk IHRvIHVzZXJzcGFjZT8KSWYgaXQgbWF5IGJlIGNvcGllZCA9PiBrYWxsb2MoKS4KSWYgaXQgd2ls bCBuZXZlciBiZSBjb3BpZWQgPT4gc3RybGNweSgpIChubyBOVUwtcGFkZGluZywgb25seSBOVUwt dGVybWluYXRvcikuCgpPaCwgYW5kIHRoZXJlIGlzIGEgbmV3ZXIgb25lIG9uIHRoZSBibG9jayAo d2hpY2ggSSBhbHdheXMgaGF2ZSB0byBsb29rdXApLAp3aGljaCBpcyBwcmVmZXJyZWQgb3ZlciBz dHJsY3B5KCkgYW5kIHN0cm5jcHkoKTogc3Ryc2NweSgpLgpBbmQgcmVhZGluZyBsaWIvc3RyaW5n LmMsIHRoZXJlJ3Mgc3Ryc2NweV9wYWQoKSwgdG9vIDstKQoKR3J7b2V0amUsZWV0aW5nfXMsCgog ICAgICAgICAgICAgICAgICAgICAgICBHZWVydAoKLS0gCkdlZXJ0IFV5dHRlcmhvZXZlbiAtLSBU aGVyZSdzIGxvdHMgb2YgTGludXggYmV5b25kIGlhMzIgLS0gZ2VlcnRAbGludXgtbTY4ay5vcmcK CkluIHBlcnNvbmFsIGNvbnZlcnNhdGlvbnMgd2l0aCB0ZWNobmljYWwgcGVvcGxlLCBJIGNhbGwg bXlzZWxmIGEgaGFja2VyLiBCdXQKd2hlbiBJJ20gdGFsa2luZyB0byBqb3VybmFsaXN0cyBJIGp1 c3Qgc2F5ICJwcm9ncmFtbWVyIiBvciBzb21ldGhpbmcgbGlrZSB0aGF0LgogICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgIC0tIExpbnVzIFRvcnZhbGRzCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlz dApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJh ZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==