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([2a0b:e7c0:0:107::70f]) by smtp.gmail.com with ESMTPSA id z16sm392636edr.56.2020.09.29.22.26.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 29 Sep 2020 22:26:53 -0700 (PDT) Subject: Re: [PATCH 0/3] Prevent out-of-bounds access for built-in font data buffers To: Peilin Ye , Daniel Vetter Cc: Greg Kroah-Hartman , Bartlomiej Zolnierkiewicz , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org References: <0000000000006b9e8d059952095e@google.com> <3f754d60-1d35-899c-4418-147d922e29af@kernel.org> <20200925101300.GA890211@PWN> <20200925132551.GF438822@phenom.ffwll.local> <20200929123420.GA1143575@PWN> From: Jiri Slaby Message-ID: <7d341242-9612-d0ee-4b79-e93882fad73f@kernel.org> Date: Wed, 30 Sep 2020 07:26:52 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <20200929123420.GA1143575@PWN> Content-Type: text/plain; charset=iso-8859-2 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29. 09. 20, 14:34, Peilin Ye wrote: > the work in general? I couldn't think of how do we clean up subsystems > one by one, while keeping a `console_font` in `struct vc_data`. Hi, feel free to change struct vc_data's content as you need, of course. Only the UAPI _definitions_ have to be preserved (like struct console_font). thanks, -- js suse labs