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=-12.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 04A1EC433EF for ; Wed, 15 Sep 2021 14:58:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D1FE661212 for ; Wed, 15 Sep 2021 14:58:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234003AbhIOO7q (ORCPT ); Wed, 15 Sep 2021 10:59:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:46976 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237842AbhIOO7m (ORCPT ); Wed, 15 Sep 2021 10:59:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1C39261242; Wed, 15 Sep 2021 14:58:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631717903; bh=/ZfMlzHl86RUkY+mAXoq6ryeWsjRe4PlpqtUqEFs9/o=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=Rd8rFSXfisp6imty9F4sAx9FSrFdJLaQYpHNueuUKT9pHHi46LkxS1P60qC3GmYxP QPVmKC/bvBJ6AqyQibt1rIl+D+fUuSY2iei54seugf4JpWQJACTX3iNo3cRGnCP4Ns 5MZjA+t3rBcbKoLcxrR00p8ZqIIoBwJzfJxGve7u3+oSm3oIMBCUOQNJonk3wyuim5 OhsZMpa/A+tBceGZNjYxtHrUwf3eht0AFvdNOXI7uro0pdY3/LZsXtTsVFPCdPd7f4 8a5KrMyKSOpKtTyWEeMAbjValr/pKR79BUcWesG0wnBbWWDtA2lyu4ASX6dqbiCY1B 3a6Bp/i5oBwJg== Date: Wed, 15 Sep 2021 16:58:19 +0200 (CEST) From: Jiri Kosina To: Evgeny Novikov cc: Nehal Shah , Sandeep Singh , Benjamin Tissoires , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, ldv-project@linuxtesting.org Subject: Re: [PATCH] AMD_SFH: Fix potential NULL pointer dereference In-Reply-To: <20210601163801.17848-1-novikov@ispras.ru> Message-ID: References: <20210601163801.17848-1-novikov@ispras.ru> User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 1 Jun 2021, Evgeny Novikov wrote: > devm_add_action_or_reset() can suddenly invoke amd_mp2_pci_remove() at > registration that will cause NULL pointer dereference since > corresponding data is not initialized yet. The patch moves > initialization of data before devm_add_action_or_reset(). > > Found by Linux Driver Verification project (linuxtesting.org). > > Signed-off-by: Evgeny Novikov Nehal, Basavaraj, could you please Review/Ack this one? Thanks, -- Jiri Kosina SUSE Labs