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 1C30CC00144 for ; Fri, 29 Jul 2022 06:51:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233434AbiG2Gvv (ORCPT ); Fri, 29 Jul 2022 02:51:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235032AbiG2Gvu (ORCPT ); Fri, 29 Jul 2022 02:51:50 -0400 Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A413180488; Thu, 28 Jul 2022 23:51:49 -0700 (PDT) Received: by mail-pj1-x102b.google.com with SMTP id f7so4099301pjp.0; Thu, 28 Jul 2022 23:51:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=cjhKGepMlIEO3Wci9/3Wr5ru3tWGJp3cNdIthSMySCg=; b=US94Ex6+mIhfte+TqRog+s2Pf22KJc6EgYEaPm3/yUsb6/+DYws4WaXhwOUT5GvYPQ V92T+XmW89JigEKPMhesf2sLNaIfs8njwK4lMudM73HLb2oWIyjgOLu+Al8k1NSGP3sw Bc4/TB99oOjibAFHntXUclE1OJ2BWuJKWeGHUQMHObXkXv/jBmkrQ2u35JwD6PJedTvW mF+0s7zreMnnXEDUKqVM+peME7l8ECifPSAItc7v4z312/oS8NX/SwCfsmg0BKohTB2m XL+ZKcgoW1ED9fh+9y6mnlckLOz/+aUnBt/952jo36p7b2lTrLCD2VDvr+bCXTtXg4bs avgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cjhKGepMlIEO3Wci9/3Wr5ru3tWGJp3cNdIthSMySCg=; b=721cc7L6fDjLqA0bo6S/9S996nR2jOeYlokyqai4Pr2pi6dpuncohfG+1XyIO2X8+H +bbzvtQj7BVhL2QrQd/2RcFLiarANUnbro1Cd1uNlq6m3umqPdgYEtCNZkLAsc8PzuNn X2QWpt1S2E4fU7tNLBixmyCZI4ZZlHERC4OO8XFuUHhqeKq1xm2IFscTraP2SQEZrZOx ths3a/Oxb32T7CaCyFocSed+LsqaeV1yVDnbcVC5tL8QvOQ5Xe5dwvAYoGPp3FQ2NApV JUva8w7MazMq97aOHuovLwE/Rf4WhR7nOP4ACwHAAGVecD3o95hpVALIdCZlGiBLUVfP R/3w== X-Gm-Message-State: ACgBeo2VPXWpP+n69h41e/dboKYJBHR95+ZgSPd943XMtT6gK6BORSLH bRhjtGe5J4hsZRu90SO75IU= X-Google-Smtp-Source: AA6agR5SdBo50/7T8qs90kIzI/XxNgQSSDqRotzuwp+Yc5ZycTaAJ2WsuqUnVJtlvvd/f4FflqW/6A== X-Received: by 2002:a17:90b:33c6:b0:1f3:2434:29c6 with SMTP id lk6-20020a17090b33c600b001f3243429c6mr3322066pjb.70.1659077509104; Thu, 28 Jul 2022 23:51:49 -0700 (PDT) Received: from fedora.. ([103.159.189.145]) by smtp.gmail.com with ESMTPSA id mg20-20020a17090b371400b001f30b100e04sm4989301pjb.15.2022.07.28.23.51.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Jul 2022 23:51:48 -0700 (PDT) From: Khalid Masum To: syzbot , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] KASAN: vmalloc-out-of-bounds Write in imageblit (2) Date: Fri, 29 Jul 2022 12:51:39 +0600 Message-Id: <20220729065139.6529-1-khalid.masum.92@gmail.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <000000000000bbdd0405d120c155@google.com> References: <000000000000bbdd0405d120c155@google.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Here is a simplified reproducer for the issue: https://gist.githubusercontent.com/Labnann/923d6b9b3a19848fc129637b839b8a55/raw/a68271fcc724569735fe27f80817e561b3ff629a/reproducer.c