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=-7.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, 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 55837C432BE for ; Tue, 31 Aug 2021 06:47:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3177360F9E for ; Tue, 31 Aug 2021 06:47:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236708AbhHaGss (ORCPT ); Tue, 31 Aug 2021 02:48:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236181AbhHaGsq (ORCPT ); Tue, 31 Aug 2021 02:48:46 -0400 Received: from mail-ej1-x633.google.com (mail-ej1-x633.google.com [IPv6:2a00:1450:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E9039C061575 for ; Mon, 30 Aug 2021 23:47:51 -0700 (PDT) Received: by mail-ej1-x633.google.com with SMTP id lc21so36306206ejc.7 for ; Mon, 30 Aug 2021 23:47:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to:cc; bh=rkyRhn+hkwDPA/bzbVKQWAzdggr9qmfRf1HI0bSWCzA=; b=kEPxD8xR0Gk4as77WNNwFkIjlits/BTZwKp4/YRXwDtpLrRwS7uBmwXCwksOGBYAFa UweVbgA2ftDuphWoXR0WMiaZAxx07xGXwea1ICGILbUi4kgGXG+NydxBAeww1/OX5w3A hptZM4DG3rUld937Z/QZxqvusiDVHpi9bH1c0qQ+/GquY18mplT+OOEhaH0sOZMgDELm c8VbaMc2GwjetzL5Mf5lOSFz+DodL40lbPtcU/VEO/v0FFGfZ8o092R6TcKptB5TIATV NTsIhHdD7f1HuQzSX+2FDqQDJVh/tutMu+kolgftprMo1mw9yTaZWt+3zEMgQk0y7n/2 O4xA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=rkyRhn+hkwDPA/bzbVKQWAzdggr9qmfRf1HI0bSWCzA=; b=cJzQEaTq99Gu3a/BykfQDcZ0/fagPzq+9vQzFRvBH7NTdqNTAkpU8UjaEmNHip9Q7o mcHA2yydZpRfni1aYprAGg0+zMEBySxQLfY8xuZ7xclnFfIHPqqbMpUnOzjU5UeYxR8D MzWCP7antZmmSnIprizCxMjbIX/isUIfqiFDXqhZul6n0TZNq6M4mzSdH9HpRDg487ny +EE2nsuzQHA+TUVDS1mmebdKYPIHMuij1HaKdD26IMHbenQvX39eqdvUnn9onJ8p8KyZ /0QD3ZTYnVa/o00P8AeEpLXOkhHX4BLxYq7svzyGxkfq+Y6OWKCZqevwT5oZJ7CbI7aN V3uw== X-Gm-Message-State: AOAM532flbKU9w361U59nza/zoKsYtz76TqWI/iUwo2npJtIglBcOloT YLlSiHPO3FAmEQZWWnObOQRKAtj1GeFcxVYgUxY= X-Google-Smtp-Source: ABdhPJxsQc33o/ukPdf5QNXn1q/JpxIOP4uaEdpg2mFZp9P7MMSkAW1lxVBmf7bqkEgF15zLGawfmAFsrqnesZvZH6A= X-Received: by 2002:a17:906:4784:: with SMTP id cw4mr28966905ejc.160.1630392470440; Mon, 30 Aug 2021 23:47:50 -0700 (PDT) MIME-Version: 1.0 From: Dongliang Mu Date: Tue, 31 Aug 2021 14:47:22 +0800 Message-ID: Subject: Linux kernel 4.19 and below misses the patch - "fbmem: add margin check to fb_check_caps()" To: Sasha Levin , Greg KH Cc: stable@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi stable maintainers, It seems that Linux kernel 4.19 and below miss the patch - "fbmem: add margin check to fb_check_caps()" [1]. Linux kernel 5.4 and up is already merged this patch[2]. Are there any special issues about this patch? Why do maintainers miss such a patch? If I have any misunderstanding, please let me know. [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a49145acfb975d921464b84fe00279f99827d816 [2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.4.y&id=e80b7ebcfda70d5c10b050fddcd45c5e38af7176 -- My best regards to you. No System Is Safe! Dongliang Mu