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=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 6A8AAC2B9F7 for ; Wed, 26 May 2021 08:28:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 2C39E613CC for ; Wed, 26 May 2021 08:28:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2C39E613CC Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=piap.pl 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=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=ZHeoiGMeEvTAFHETXNS04FGDV5u9JzckhbGqximQWGI=; b=jL5OM2PEnN0XTI 2HKIps9asKksvXsSnw830E/kmFsHN7VGpI5V7z6rFNGiKnGv891TJ2AKnNcsVmb5QVPyeuVTbQTIq qULNaMWToyEO62la7VFCpi8XD+4a8IFsBseuBqc6V+RzFwkweeO4lh8JvC/sobklbap2Vo9iqxORi ER0SoKX9GgGbfOgvI20mV0Vg4menvmfLZxP9QxZx7SU1BMCmXXp6VL1uHGvyIGizIza24kiXMsUZL 7WEd9fkaBAmaOo0/Psb4a/lZZpihe8jf07RK92SiIlqtl9CPyGJf5NcJf6MjzOLln1K8eB2J0rU34 p6doSGtDGmvbzjGKXUzw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1llosa-00CQqX-3R; Wed, 26 May 2021 08:27:04 +0000 Received: from ni.piap.pl ([195.187.100.5]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1llosV-00CQmh-7Y for linux-arm-kernel@lists.infradead.org; Wed, 26 May 2021 08:27:00 +0000 Received: from t19.piap.pl (OSB1819.piap.pl [10.0.9.19]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ni.piap.pl (Postfix) with ESMTPSA id 4658B444197; Wed, 26 May 2021 10:26:50 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 ni.piap.pl 4658B444197 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=piap.pl; s=mail; t=1622017611; bh=3LRQt2E5u2Et0YwP2CERJJ7UAiUDgL0XQ3wycJ4BWRY=; h=From:To:Cc:Subject:Date:From; b=MFDncosxgB1wXc2KmWoV/9r+W9SJJ2HjJbbB3Ns9fO5uBnU9ry0kYNfX4SWjK7UNk RQO/CSX7YwltiuDuOnU2k5O5O7KP9rkXUyfMlotFPWFnvMgVWPh4DJm09UGn90tSkP DXP03CMpbXiw25WTclU2k0oRd0cEZ1eFCSUTfhwM= From: =?utf-8?Q?Krzysztof_Ha=C5=82asa?= To: linux-arm-kernel Cc: lkml Subject: Data corruption on i.MX6 IPU in arm_copy_from_user() Date: Wed, 26 May 2021 10:26:50 +0200 Message-ID: MIME-Version: 1.0 X-KLMS-Rule-ID: 4 X-KLMS-Message-Action: skipped X-KLMS-AntiSpam-Status: not scanned, whitelist X-KLMS-AntiPhishing: not scanned, whitelist X-KLMS-AntiVirus: Kaspersky Security for Linux Mail Server, version 8.0.3.30, not scanned, whitelist X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210526_012659_465632_35EAFEBB X-CRM114-Status: GOOD ( 11.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 SGVsbG8sCgpJJ3ZlIGVuY291bnRlcmVkIGFuIGludGVyZXN0aW5nIGNhc2Ugb2YgZGF0YSBjb3Jy dXB0aW9uIHdoaWxlIGFjY2Vzc2luZwpJUFUgKEltYWdlIFByb2Nlc3NpbmcgVW5pdCkgb24gaS5N WDYgKHJldjEuMiwgQ29ydGV4IEE5KS4gV2hhdCBJJ20gZG9pbmcKaGVyZSBpcyBiYXNpY2FsbHk6 CgpvcGVuYXQoQVRfRkRDV0QsICIvZGV2L21lbSIsIE9fUkRXUnxPX1NZTkMpID0gMwptbWFwMihO VUxMLCA0MDk2LCBQUk9UX1JFQUR8UFJPVF9XUklURSwgTUFQX1NIQVJFRCwgMywgMHgyNjMwMDAw KSA9IHB0cgp3cml0ZSgxLCBwdHIsIDMyKSAgICAgICAgICAgICAgICA9IDMyCgpOb3JtYWxseSwg dGhlIHdyaXRlKCkgc2hvdWxkIGVuZCB1cCB3aXRoOgogMDQwMDhBMDAgMDJGRjAzRkYgMDJGRjAz RkYgMDAwMDAwMDAgMDAwMDAwMDAgMDAwMDAwMDAgMDAwMDAwMDAgMDAwMDAwMDAKCkhvd2V2ZXIs IHdpdGggY3VycmVudCBrZXJuZWxzLCB0aGUgZmlyc3QgMzIgYml0cyAodGhlIGZpcnN0IElQVQog cmVnaXN0ZXIpIGFyZSBkcm9wcGVkOgogMDJGRjAzRkYgMDJGRjAzRkYgMDAwMDAwMDAgMDAwMDAw MDAgMDAwMDAwMDAgMDAwMDAwMDAgMDAwMDAwMDAgMDAwMDAwMDAKCjB4MjYzMDAwMCBpcyBJUFUx IENTSTAgYWRkcmVzcyAoaS5lLiwgYSByZWdpc3RlciBibG9jaykuIFRoZSBzYW1lCmhhcHBlbnMg d2l0aCBvdGhlciBJUFUgcmVnaW9ucy4gV3JpdGVzIHNob3J0ZXIgdGhhbiA4ICogMzIgYml0cyBh cmUgbm90CmFmZmVjdGVkLgoKd3JpdGUoKSB1c2VzIGFybV9jb3B5X2Zyb21fdXNlcigpIGFuZCBz aW5jZSBjb21taXQgZjQ0MTg4MmE1MjI5OgogICAgQVJNOiA4ODEyLzE6IE9wdGltaXNlIGNvcHlf e2Zyb20vdG99X3VzZXIgZm9yICFDUFVfVVNFX0RPTUFJTlMKCiAgICBBUk12NisgcHJvY2Vzc29y cyBkbyBub3QgdXNlIENPTkZJR19DUFVfVVNFX0RPTUFJTlMgYW5kIHVzZSBwcml2aWxlZ2VkCiAg ICBsZHIvc3RyIGluc3RydWN0aW9ucyBpbiBjb3B5X3tmcm9tL3RvfV91c2VyLiAgVGhleSBhcmUg Y3VycmVudGx5CiAgICB1bm5lY2Vzc2FyaWx5IHVzaW5nIHNpbmdsZSBsZHIvc3RyIGluc3RydWN0 aW9ucyBhbmQgY2FuIHVzZSBsZG0vc3RtCiAgICBpbnN0cnVjdGlvbnMgaW5zdGVhZCBsaWtlIG1l bWNweSBkb2VzIChidXQgd2l0aCBhcHByb3ByaWF0ZSBmaXh1cAogICAgdGFibGVzKS4KCmFwcGFy ZW50bHkgdXNlcyA4ICogMzItYml0IGxkbWlhIGluc3RydWN0aW9uIHRvIGNvcHkgZGF0YToKICAg IC5tYWNybyBsZHI4dyBwdHIgcmVnMSByZWcyIHJlZzMgcmVnNCByZWc1IHJlZzYgcmVnNyByZWc4 IGFib3J0CiAgICBVU0VSTChcYWJvcnQsIGxkbWlhIFxwdHIhLCB7XHJlZzEsIFxyZWcyLCBccmVn MywgXHJlZzQsIFxyZWc1LCBccmVnNiwgXHJlZzcsIFxyZWc4fSkKICAgIC5lbmRtCgpCZWZvcmUg dGhpcyBjb21taXQgaXQgdXNlZCBsZHIgaW5zdHJ1Y3Rpb24gKHNpbmdsZSAzMi1iaXQgdmFsdWUp IGFuZCB0aGUKcHJvYmxlbSBkaWRuJ3Qgc2hvdyB1cCAocmV2ZXJ0aW5nIGY0NDE4ODJhNTIyOSBv biB2NS4xMSBmaXhlcyBpdCBhcwp3ZWxsKS4gVGhlIGkuTVg2IGVycmF0YSBkb2Vzbid0IHNlZW0g dG8gbGlzdCB0aGlzIHByb2JsZW0uCgpJIHdvbmRlciB3aGF0IHRoZSB0aGVvcnkgc2F5cyBhYm91 dCB0aGlzIGNhc2UuIElzIGl0IGF0IGFsbCB2YWxpZCB0bwpyZWFkIDggSVBVIHJlZ2lzdGVycyBh dCBhIHRpbWUgdXNpbmcgTERNIGluc3RydWN0aW9uPyBJZiBzbywgc2hvdWxkCnNvbWV0aGluZyBi ZSBkb25lIHdpdGggdGhpcyBwcm9ibGVtLCBvciBzaG91bGQgaXQgYmUgbGVmdCBhcyBpcz8KLS0g CktyenlzenRvZiBIYcWCYXNhCgpTaWXEhyBCYWRhd2N6YSDFgXVrYXNpZXdpY3oKUHJ6ZW15c8WC b3d5IEluc3R5dHV0IEF1dG9tYXR5a2kgaSBQb21pYXLDs3cgUElBUApBbC4gSmVyb3pvbGltc2tp ZSAyMDIsIDAyLTQ4NiBXYXJzemF3YQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtl cm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxt YW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=