From patchwork Sun Mar 1 01:52:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 230072 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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=no 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 3C889C3F2CD for ; Sun, 1 Mar 2020 01:52:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0425B24677 for ; Sun, 1 Mar 2020 01:52:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583027523; bh=gW+ceflL2NcxTAro1X3TiroKte/Ez+zVtxTCXyoOrnk=; h=Date:From:To:Subject:List-ID:From; b=edIWrm6kxtu/oPFN5J1NCFsmm/rLEOdrPtXOhsaHUtwhkTLfOQauN+uqBZ7lsc82s +eqj+klcXOAVUTsfl9yXnWZfQp3ZYGeObb47hYCrdOjjD3llt0PkEY/OWWFpZvKe3X BmHPKyNkPxEs678Bx26yhTZw0AEZv3J09I5ZB86U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727205AbgCABwC (ORCPT ); Sat, 29 Feb 2020 20:52:02 -0500 Received: from mail.kernel.org ([198.145.29.99]:56298 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726786AbgCABwC (ORCPT ); Sat, 29 Feb 2020 20:52:02 -0500 Received: from localhost.localdomain (c-71-198-47-131.hsd1.ca.comcast.net [71.198.47.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 946E8214DB; Sun, 1 Mar 2020 01:52:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583027521; bh=gW+ceflL2NcxTAro1X3TiroKte/Ez+zVtxTCXyoOrnk=; h=Date:From:To:Subject:From; b=gdRs2cK7Hr4RiHedP7UVjCMM0IcqyxqWu7RCPxX2guOvRRtgmLK3a+ciS+b7mTz7Z XZcHUY9xaa6l7gROju5BmPeVm6dM2vlbLPbD3WajqCZxoaqX1fPQNHD9Grgnz6hzTZ Cq3l6bsCK5YoywZmZNx164wWfegYZLmC5X9GefKY= Date: Sat, 29 Feb 2020 17:52:01 -0800 From: akpm@linux-foundation.org To: akpm@linux-foundation.org, fengc@google.com, ghackmann@google.com, mm-commits@vger.kernel.org, stable@vger.kernel.org, sumit.semwal@linaro.org, xiyou.wangcong@gmail.com Subject: [merged] dma-buf-free-dmabuf-name-in-dma_buf_release.patch removed from -mm tree Message-ID: <20200301015201.JcACTR4Xk%akpm@linux-foundation.org> User-Agent: s-nail v14.8.16 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch titled Subject: dma-buf: free dmabuf->name in dma_buf_release() has been removed from the -mm tree. Its filename was dma-buf-free-dmabuf-name-in-dma_buf_release.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Cong Wang Subject: dma-buf: free dmabuf->name in dma_buf_release() dma-buff name can be set via DMA_BUF_SET_NAME ioctl, but once set it never gets freed. Free it in dma_buf_release(). Link: http://lkml.kernel.org/r/20200225204446.11378-1-xiyou.wangcong@gmail.com Fixes: bb2bb9030425 ("dma-buf: add DMA_BUF_SET_NAME ioctls") Reported-by: syzbot+b2098bc44728a4efb3e9@syzkaller.appspotmail.com Signed-off-by: Cong Wang Reviewed-by: Andrew Morton Acked-by: Chenbo Feng Cc: Sumit Semwal Cc: Greg Hackmann Signed-off-by: Andrew Morton --- drivers/dma-buf/dma-buf.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/dma-buf/dma-buf.c~dma-buf-free-dmabuf-name-in-dma_buf_release +++ a/drivers/dma-buf/dma-buf.c @@ -108,6 +108,7 @@ static int dma_buf_release(struct inode dma_resv_fini(dmabuf->resv); module_put(dmabuf->owner); + kfree(dmabuf->name); kfree(dmabuf); return 0; }