From patchwork Thu May 25 10:16:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kara X-Patchwork-Id: 13255063 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 39C7CC83003 for ; Thu, 25 May 2023 10:16:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240892AbjEYKQg (ORCPT ); Thu, 25 May 2023 06:16:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240871AbjEYKQc (ORCPT ); Thu, 25 May 2023 06:16:32 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A708C1A8; Thu, 25 May 2023 03:16:26 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 00FF321C04; Thu, 25 May 2023 10:16:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1685009785; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ioHF3wJZOEdK9Zi2g8x0HxHqMAZdyIP3moICR5/W8ZM=; b=zlI5luAWs6dlefQrgCyE8/RxotUnEISB/qpqoF0e6pJkMf70IuPfZsQ+zPVXMciXD80L5y KE9IraxZiqxObo476RsgM+aR8fA2F0/n+EuBJJ2hN5Lp3yn0u5EjEJOwfWQQhSdQHXxPlX MuVIjOmhBhYpP2rtxhl1RAAqwTJu0t4= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1685009785; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ioHF3wJZOEdK9Zi2g8x0HxHqMAZdyIP3moICR5/W8ZM=; b=Bq+jfOFsP+9HFcZSWTVhJXL79d71c35osZNrCmaovcKk2E0tzyKERfjBVYIXaFAFjomY01 Is72rB8LCDpCnPCQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id E60E313A2C; Thu, 25 May 2023 10:16:24 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id +G4iOHg1b2RDdgAAMHmgww (envelope-from ); Thu, 25 May 2023 10:16:24 +0000 Received: by quack3.suse.cz (Postfix, from userid 1000) id 5D1CEA075F; Thu, 25 May 2023 12:16:24 +0200 (CEST) From: Jan Kara To: Al Viro Cc: , Christian Brauner , Miklos Szeredi , "Darrick J. Wong" , Ted Tso , Jaegeuk Kim , , linux-f2fs-devel@lists.sourceforge.net, , Jan Kara , stable@vger.kernel.org Subject: [PATCH 2/6] Revert "udf: Protect rename against modification of moved directory" Date: Thu, 25 May 2023 12:16:08 +0200 Message-Id: <20230525101624.15814-2-jack@suse.cz> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230525100654.15069-1-jack@suse.cz> References: <20230525100654.15069-1-jack@suse.cz> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1840; i=jack@suse.cz; h=from:subject; bh=cUFu/3mUBi4bt/K+j6IZ3Ng8iPItrjlJa92MM2nlCwY=; b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBkbzVnIPd8xE0p+HpULv7ZaonyuahLzBKAgbz88fay PJv6AsKJATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCZG81ZwAKCRCcnaoHP2RA2fRdB/ wMo8PsY3/7QbU+9pwKfl8SOaMaHlJdjPgdRPs0Q59CmemAwPozLN+6Q+dDzy++ajVHXFcxUC1slW/J vNVYlOShU3+bOeu1zmdzl7mmYDeDDJjibd0gjB06IwHZRXlUG/KXqso6fC0CgL7NQhyiaqphZCP1qn VaXNgip5UnA5k75piXNMOfpFaskUp6AKbSMl1J2jumzY8VCN4UFEf/0T5Q8vhIOFm8Ebv/j6ntGavm fMDxQs0qeaZxtGOkeRc/VF1hZ0tRU8r48DUw+rgdvUqAw104da3ANAxNZVE/hGVfozW6eL3Cltet5+ hO6b8NX0cYp8i2tWVvshjSuV8AXU1m X-Developer-Key: i=jack@suse.cz; a=openpgp; fpr=93C6099A142276A28BBE35D815BC833443038D8C Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org This reverts commit f950fd0529130a617b3da526da9fb6a896ce87c2. The locking is going to be provided by vfs_rename() in the following patches. CC: stable@vger.kernel.org Signed-off-by: Jan Kara --- fs/udf/namei.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/fs/udf/namei.c b/fs/udf/namei.c index fd20423d3ed2..fd29a66e7241 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -793,11 +793,6 @@ static int udf_rename(struct mnt_idmap *idmap, struct inode *old_dir, if (!empty_dir(new_inode)) goto out_oiter; } - /* - * We need to protect against old_inode getting converted from - * ICB to normal directory. - */ - inode_lock_nested(old_inode, I_MUTEX_NONDIR2); retval = udf_fiiter_find_entry(old_inode, &dotdot_name, &diriter); if (retval == -ENOENT) { @@ -806,10 +801,8 @@ static int udf_rename(struct mnt_idmap *idmap, struct inode *old_dir, old_inode->i_ino); retval = -EFSCORRUPTED; } - if (retval) { - inode_unlock(old_inode); + if (retval) goto out_oiter; - } has_diriter = true; tloc = lelb_to_cpu(diriter.fi.icb.extLocation); if (udf_get_lb_pblock(old_inode->i_sb, &tloc, 0) != @@ -889,7 +882,6 @@ static int udf_rename(struct mnt_idmap *idmap, struct inode *old_dir, udf_dir_entry_len(&diriter.fi)); udf_fiiter_write_fi(&diriter, NULL); udf_fiiter_release(&diriter); - inode_unlock(old_inode); inode_dec_link_count(old_dir); if (new_inode) @@ -901,10 +893,8 @@ static int udf_rename(struct mnt_idmap *idmap, struct inode *old_dir, } return 0; out_oiter: - if (has_diriter) { + if (has_diriter) udf_fiiter_release(&diriter); - inode_unlock(old_inode); - } udf_fiiter_release(&oiter); return retval;