Return-Path: <stable-owner@kernel.org> 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 9E06AC433EF for <stable@archiver.kernel.org>; Mon, 20 Dec 2021 15:18:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238740AbhLTPSw (ORCPT <rfc822;stable@archiver.kernel.org>); Mon, 20 Dec 2021 10:18:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40930 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238354AbhLTPRl (ORCPT <rfc822;stable@vger.kernel.org>); Mon, 20 Dec 2021 10:17:41 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60C5DC08ECA9; Mon, 20 Dec 2021 06:58:47 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 0168B611C1; Mon, 20 Dec 2021 14:58:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D8972C36AE7; Mon, 20 Dec 2021 14:58:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1640012326; bh=gKNyzEFbVo/6GCnvOhvDOU2keO8fqSNkieYpVdljaJQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=asL3bMjwfrd3UjxlevmsX1gVcXdm+D7StkkuBYNlsloXit0ThkbbQKQA9YJM6PGXU pJzqSMrW0I0dR3O9BVuOPY0GG05oz2L8gjePLbzNr4PVSrZ+RHJhYw7ZKSAcLkQ2sr 6kwMeag4+zLPFAcl9xAkaQ6bs2c7aOWRiGsgBOzU= From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org, Miklos Szeredi <mszeredi@redhat.com>, syzbot+9f747458f5990eaa8d43@syzkaller.appspotmail.com Subject: [PATCH 5.15 161/177] fuse: annotate lock in fuse_reverse_inval_entry() Date: Mon, 20 Dec 2021 15:35:11 +0100 Message-Id: <20211220143045.500509677@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211220143040.058287525@linuxfoundation.org> References: <20211220143040.058287525@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <stable.vger.kernel.org> X-Mailing-List: stable@vger.kernel.org
From: Miklos Szeredi <mszeredi@redhat.com> commit bda9a71980e083699a0360963c0135657b73f47a upstream. Add missing inode lock annotatation; found by syzbot. Reported-and-tested-by: syzbot+9f747458f5990eaa8d43@syzkaller.appspotmail.com Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- fs/fuse/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1079,7 +1079,7 @@ int fuse_reverse_inval_entry(struct fuse if (!parent) return -ENOENT; - inode_lock(parent); + inode_lock_nested(parent, I_MUTEX_PARENT); if (!S_ISDIR(parent->i_mode)) goto unlock;