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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E271C433F5 for ; Mon, 3 Oct 2022 22:58:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229604AbiJCW6T (ORCPT ); Mon, 3 Oct 2022 18:58:19 -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-Google-Smtp-Source: AMsMyM6vB8SmaZLNSLKdD+t53xTGLXsp3ES3vsa9WFM/QF1mF8JlVgVDAzK/jJroJSqxGA+LNjyvfA== 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> Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@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