Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp1322785pxf; Fri, 12 Mar 2021 07:09:18 -0800 (PST) X-Google-Smtp-Source: ABdhPJwIgwpLjjbLXkpU/D3IStrgtSBNkVDa/5YU1UQ9l5pkQae9DNk1HEEkSVMuj88VEJnJ8hf6 X-Received: by 2002:a17:906:4ada:: with SMTP id u26mr9035027ejt.129.1615561758550; Fri, 12 Mar 2021 07:09:18 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1615561758; cv=none; d=google.com; s=arc-20160816; b=S1Vs9B7t5PIGV4pLrTGvX5JalMi4Zl2VVU0fEH7kIw3l0AFD1buoP3jbsDJiW69ZwC OvtCMWrN0JE+oj5PzmGDwf24nFKejq1qrwHdU3/aLVv1iZtRvtL7JYTPK2ueme6Mw6e6 5RvNji8mVD1QUINVsIdO3l5kZhtRdhwfUcylHcitf927hnC99KxocWXLYczpJk0yJIH/ CjRBOyhcchlh5EIQEj+Aok6AuD5lPPd3uH3fZnnntu+nUfgox9SFC1bZ926OQDX7ujqx lctR827yXxZ4tarEZG946rpt6T2Hks91ThGu3ftdEM/jDzSmr/4jP50q02m8Hdu5S4tD FevA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=2ObJzRmXV28QegEpHbWHUYpaUj/eTnd2xztRA6RWiWY=; b=CI04nIl7TvoyHiDyrojBMTGoIRRqcZHLT8bzLBl8sgzyawfjPO11YT8IUj1soMIrM4 csGc0AVUoMa8Bf+Q7LCl5ESjdTWsDelyJ62fHE8tyiiQttcBmOG0qbs+4ICDZK/bIOL9 +g8mWL3bgyeawqgN8XNAHQBTSkRFIXxJiFOb2J35OuvReeryAR4ucKVHOkq/rYy33mOa NDN9RB4aAZiq6FV4PU35SngV/pDdLNeU3jPlV4Elyzybqct6HFb987fD/x59qyuqdeqG gZDPWxBQCXEm1zbiWtdnR368tYH4xRnXiHKSPIFG80Mjisoz9Hpkmn72JNL8UOA9bloo NoFw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=lQmPdvTs; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id q3si4081557eji.445.2021.03.12.07.08.48; Fri, 12 Mar 2021 07:09:18 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=lQmPdvTs; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231894AbhCLPGO (ORCPT + 99 others); Fri, 12 Mar 2021 10:06:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232130AbhCLPFw (ORCPT ); Fri, 12 Mar 2021 10:05:52 -0500 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0CA91C061574 for ; Fri, 12 Mar 2021 07:05:52 -0800 (PST) Received: by mail-pj1-x1036.google.com with SMTP id kr3-20020a17090b4903b02900c096fc01deso11184720pjb.4 for ; Fri, 12 Mar 2021 07:05:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=2ObJzRmXV28QegEpHbWHUYpaUj/eTnd2xztRA6RWiWY=; b=lQmPdvTsITc3nJAYY99MQ4a8K7uhDsWBDs1JdoKE4fSxCk1PygH+b7IP9218VqOP1r sOgppGDnVJB/UbEz/gqnmT86r4GRivqY4MXlUk7zYQLXd02JNBGursIXFIzL6G3tVh6m 6yaWeK4bF0s8CBEcub7uOCLB8bSG792gRoYVyPZOA5LTFpRST1lbiBusb7dw8OehjqZS EHV7JBrOxJFgMSNK5dE/UisBOA7yDnMdYBYfmNI0RduP8Bs8zu3084IPrrG30rVmF4Zw RYvb68ofxBxjmfebv6LsV32oTUnSoAQZKT75MU6E0J0TSe8tOoS8puvLXnr2wET57iq8 eW1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=2ObJzRmXV28QegEpHbWHUYpaUj/eTnd2xztRA6RWiWY=; b=uJpu+zvFSrTGdthYpEBwomP7iQ0mG64acZRQy8lStn25Rt8V/unoQoOOGqOApBTHBZ ZGLaGfjcW7g+Uf2xVhH0Wk6ZHbzt2y9mA/3SH8NF3skahKy8ONDjPpiUKP3msGeea/je +pgT0SnP6HqJdocm8eRwHAt4CenaCa3qh0UKeKGfEuimLn1T3xIAAnonboexvu8wMtFT fkRYHCket9MlXOLBbmPJWeOoIQoYfnH1gFsUj871/RlTbG6nhgSgh2iwStW/oC36NZO3 vpYnJLUo5vmX+fgakKIq3fdJY0t+xqJ6TkoAMDLJaj2gojg9swp1o58WDkV1XVFxwate wL9A== X-Gm-Message-State: AOAM532qb4T9rjTcJRknJ6jafze962KVQqBNyHLcE4eyBUFTuCBq9f2B /GNPtlhBzIBkZYNJ5blduuo= X-Received: by 2002:a17:902:b206:b029:e3:f546:2f70 with SMTP id t6-20020a170902b206b02900e3f5462f70mr14071281plr.63.1615561551521; Fri, 12 Mar 2021 07:05:51 -0800 (PST) Received: from ThinkCentre-M83.wg.ducheng.me ([202.133.196.154]) by smtp.gmail.com with ESMTPSA id k5sm5923484pfg.215.2021.03.12.07.05.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Mar 2021 07:05:51 -0800 (PST) From: Du Cheng To: h.shahbazi.git@gmail.com Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Du Cheng Subject: [PATCH] drivers: tty: vt: vt.c: fix NULL dereference crash Date: Fri, 12 Mar 2021 23:05:47 +0800 Message-Id: <20210312150547.5635-1-ducheng2@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210307105642.112572-1-h.shahbazi.git@gmail.com> References: <20210307105642.112572-1-h.shahbazi.git@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Hassan Shahbazi, I also tested your patch locally with qemu, but it did not fix the crashing. I sent test command to syzbot on upstream linux and am waiting for result. Regards, Du Cheng