Received: by 2002:a05:6359:c8b:b0:c7:702f:21d4 with SMTP id go11csp3497670rwb; Mon, 3 Oct 2022 16:21:54 -0700 (PDT) X-Google-Smtp-Source: AMsMyM4/8Lvk0gqY6/jFDjjxLpN0ZXTRPt39fxroGuHBdOB7ZfNaXX+uTLQ3ZOEo8sEzXDuCYvWQ X-Received: by 2002:a05:6402:40c2:b0:44f:963d:1ab4 with SMTP id z2-20020a05640240c200b0044f963d1ab4mr20855475edb.319.1664839311738; Mon, 03 Oct 2022 16:21:51 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1664839311; cv=none; d=google.com; s=arc-20160816; b=WGTvVOV+HRFblDBBWNmyGrgsRKk3pqSbdbrpnD8x778OKgMVAjErCjWYrkTIJezV43 PQ/iyc3oxy/qiuO6xNvh3fildLKC19POjpg0OyLH5tObhTcuSqwXCr6WY3Vn46OYT92M rUqmh/0tS3BA3sFhX5JEr5Dd0GUjxEXCuLKqTnTIfzUuAsv1oPeCT71W3l1O2AoBe3r2 9aeFPx1wmm1unJ3nh0XXL40LbeiPchsQAYjay4LpU0yFuYzqxWMxqkDNgCJiOQ4mXbZx RRT2hRMcUZmULzolqBY16DdfRUgrpdIauHkO6x0Ohf0xH8zlvdnvBNy/Ez4ScTqtOg1S RQ5w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:date:content-id:mime-version :references:in-reply-to:cc:to:subject:from:dkim-signature; bh=h/EH2yCpn2b6STRSxqNywEbQQtPrQkhdBeHGG9IxaAM=; b=aaVsG1E6+3Ow91iraXT0Ees2GUjK1gi8GHc5znyWWy3B9RTXXFsCCPVemj1cc0xrkx 7t0DYFGbTo7yFChq20+XE+qdlMZzXp3BaNVIVBKmdvIB1sob4bfe4q586trLJAP1FByU uWHPYv1Kdf0jo0Tt6BFEGra0T+/RDKuvKSJ4Zn+E9SRInehYNLNxpEdVRwjMLcjzXoGy IBf4X+Ydund+iYBECHEUqo+k/08p8sXOmNkhBXJOBA62MMwhRnC9aAzD8tsREDeQN6j+ BVU7AZJzewMeDiqA5kf/baaeZfNaa1v43f115d7R/X6+X1SOVDHurMstELL4ypAmixsc vV9A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b="ckqyOpc/"; 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=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id y18-20020a056402271200b00443088b40b7si11175570edd.123.2022.10.03.16.21.26; Mon, 03 Oct 2022 16:21:51 -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; dkim=pass header.i=@gmail.com header.s=20210112 header.b="ckqyOpc/"; 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=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229542AbiJCW6U (ORCPT + 99 others); Mon, 3 Oct 2022 18:58:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38040 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229532AbiJCW6R (ORCPT ); Mon, 3 Oct 2022 18:58:17 -0400 Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E5CA332EEA; Mon, 3 Oct 2022 15:58:16 -0700 (PDT) Received: by mail-pf1-x42b.google.com with SMTP id c3so6601349pfb.12; Mon, 03 Oct 2022 15:58:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:content-id:mime-version:references:in-reply-to:cc :to:subject:from:from:to:cc:subject:date; bh=h/EH2yCpn2b6STRSxqNywEbQQtPrQkhdBeHGG9IxaAM=; b=ckqyOpc/y1/7vbRRjFwF2lf4hzXWDrFJ8ttxx6c2610jELPSBc/0rUR0DPycRh1nnz bU7oCVzEecKNDyYrnJUlf/77RfVom2gvxQnDwpZrhkCINI216DgEWKc4kSYMJDdwg6tJ B/RiZV37W6gX7BOAQ0XCU3LL8gZbeQijpYFKBb10tkUyxMKQQUprga5q079KudbHPoUz 8jUmBx2rC0wZguH0ERDDPTLjgLmIXrpbH5eGJTMil9wNZpbI4EtLFXw4gwPyI2PCw473 UEOvcFooJ4NRUkG2A/t86BSmusM1eC+17HLXaaFrL8kIo3C3ynwQzLycI/clOzzPrCcO l/lQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=message-id:date:content-id:mime-version:references:in-reply-to:cc :to:subject:from:x-gm-message-state:from:to:cc:subject:date; bh=h/EH2yCpn2b6STRSxqNywEbQQtPrQkhdBeHGG9IxaAM=; b=LdKWmbEahw/ART8s33ZaARn6P2yekFZnZg+zO07hfLMiHJm6clrQY4wrhDbLZV0AU3 GkyZn1okhVEzmOklpLxjHEmkb1t9ut/f8o6H7w7owAIYGOZw3XutxmsQYslw92K1GbtX YK8pXWPJMMKkceawApNNyZ7NfxuMFp5ECHyRAcEVnp1TxI17xM6envtKx3fSJd8W+DcT 1l2Z/WOlPXyVUM1kRswLto4BfyqpUMBpWTnwu2qUUaIrsxuecV19m8dXUljVP707JJc5 eIK7DzIjbCSEx1kIR3irsaNQaXqo5mQ7Tdkml+V7t8DLvg78UF4/exw73Iy3qWtVxIZc 9MLw== X-Gm-Message-State: ACrzQf2JiReyjrWhDbwWZSYtlfDvCaMp5ceEozZE7WUYyestTXe7OEqA norkhsuTcsAyn8chmqOmA/Q2lcILorU= X-Received: by 2002:a05:6a00:1342:b0:545:4d30:eecb with SMTP id k2-20020a056a00134200b005454d30eecbmr24206264pfu.69.1664837896404; Mon, 03 Oct 2022 15:58:16 -0700 (PDT) Received: from jromail.nowhere (h219-110-108-104.catv02.itscom.jp. [219.110.108.104]) by smtp.gmail.com with ESMTPSA id i2-20020a17090332c200b0016f8e8032c4sm7772410plr.129.2022.10.03.15.58.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Oct 2022 15:58:16 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=jrobl) by jrobl id 1ofUO6-00012i-Uu ; Tue, 04 Oct 2022 07:58:14 +0900 From: "J. R. Okajima" Subject: Re: [PATCH][CFT] [coredump] don't use __kernel_write() on kmap_local_page() To: Al Viro Cc: Ira Weiny , Linus Torvalds , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org In-Reply-To: References: <7714.1664794108@jrobl> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <4010.1664837894.1@jrobl> Date: Tue, 04 Oct 2022 07:58:14 +0900 Message-ID: <4011.1664837894@jrobl> X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 Al Viro: > Argh.... Try this: > > fix coredump breakage caused by badly tested "[coredump] don't use __kernel_write() on kmap_local_page()" Thanx, it passed my local test. > * fix for problem that occurs on rather uncommon setups (and hadn't > been observed in the wild) sent very late in the cycle. If the commit was merged in RC versions, I guess someone found the problem earlier. J. R. Okajima