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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 398CFC433EF for ; Fri, 21 Jan 2022 08:20:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D9AE210E95E; Fri, 21 Jan 2022 08:20:52 +0000 (UTC) Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by gabe.freedesktop.org (Postfix) with ESMTPS id 05FDA10E590 for ; Fri, 21 Jan 2022 01:48:07 +0000 (UTC) Received: by mail-il1-f199.google.com with SMTP id s2-20020a056e021a0200b002b94aede929so4122949ild.12 for ; Thu, 20 Jan 2022 17:48:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=DanrII7rs7VHR9x2Ad6ztSAzc5bhObpiObDh8wKC9WU=; b=EnDltCy3fJKpeI42oN8rTn3Z58Vcsjip2dmUdH+Q67SB7aQgZw6/S0Sw96Mza355fW 7gKQQk5cISJOYtXXJdk+8FoN3ziG5/rUKLEM2tt2HRbZ7IWZsRoL6V8ZnQHljGbSsnCt 570BvnY71+/qJ2Bgvc94mbqOKXy+u7g7ZVNeyl7kPnrZHt/RfrDac7OZwjOb5wh3m1c+ 5nmZ/XPsErMlezlje5sXi4vyoFGTjUSGpb/RI6UA7i76nGOGbVuKgwBCx+ugh4YAI92S 3hljEvSAYk9aAbQMKYu7ETfKfUU4fUy8SCW1b2HYHz7Cql/200yaXVDPquPAnWEjy53K lcNw== X-Gm-Message-State: AOAM531WOGdbqaBZtECBckMwMKwM360Q71iBuA17iHlvkh3H+BCeNzSA 581oJ1AaaBzPvGshtC6seaMIlJuo4lHX5f292uK7jBA/Lztw X-Google-Smtp-Source: ABdhPJwo+j/up45k23KzgrwwJOdQRYqe4wZFCj5sSOh1hefXEP0mn76QeYRFAhQgeYfh1ABeRjuYCNLoAcbb47n7Nx1OAC7WHPRo MIME-Version: 1.0 X-Received: by 2002:a02:2207:: with SMTP id o7mr751312jao.99.1642729686278; Thu, 20 Jan 2022 17:48:06 -0800 (PST) Date: Thu, 20 Jan 2022 17:48:06 -0800 In-Reply-To: <000000000000bbdd0405d120c155@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000069ab4805d60dcf4c@google.com> Subject: Re: [syzbot] KASAN: vmalloc-out-of-bounds Write in imageblit (2) From: syzbot To: bugs-a21@moonlit-rail.com, deller@gmx.de, dri-devel@lists.freedesktop.org, javierm@redhat.com, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, maxime@cerno.tech, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Mailman-Approved-At: Fri, 21 Jan 2022 08:20:39 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" syzbot has bisected this issue to: commit 0499f419b76f94ede08304aad5851144813ac55c Author: Javier Martinez Canillas Date: Mon Jan 10 09:56:25 2022 +0000 video: vga16fb: Only probe for EGA and VGA 16 color graphic cards bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14c71e37b00000 start commit: 7fc5253f5a13 Add linux-next specific files for 20220120 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16c71e37b00000 console output: https://syzkaller.appspot.com/x/log.txt?x=12c71e37b00000 kernel config: https://syzkaller.appspot.com/x/.config?x=94e8da4df9ab6319 dashboard link: https://syzkaller.appspot.com/bug?extid=14b0e8f3fd1612e35350 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=155dde3db00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=125298e0700000 Reported-by: syzbot+14b0e8f3fd1612e35350@syzkaller.appspotmail.com Fixes: 0499f419b76f ("video: vga16fb: Only probe for EGA and VGA 16 color graphic cards") For information about bisection process see: https://goo.gl/tpsmEJ#bisection