From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:50150 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405943AbeHATIk (ORCPT ); Wed, 1 Aug 2018 15:08:40 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chao Yu , Jaegeuk Kim , Sasha Levin Subject: [PATCH 4.17 232/336] f2fs: check cap_resource only for data blocks Date: Wed, 1 Aug 2018 18:49:27 +0200 Message-Id: <20180801165037.947498195@linuxfoundation.org> In-Reply-To: <20180801165028.930831994@linuxfoundation.org> References: <20180801165028.930831994@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jaegeuk Kim [ Upstream commit a90a0884ac75f825157470a1c17e707d487bceb6 ] This patch changes the rule to check cap_resource for data blocks, not inode or node blocks in order to avoid selinux denial. Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- fs/f2fs/f2fs.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1602,7 +1602,7 @@ static inline bool f2fs_has_xattr_block( } static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, - struct inode *inode) + struct inode *inode, bool cap) { if (!inode) return true; @@ -1615,7 +1615,7 @@ static inline bool __allow_reserved_bloc if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) && in_group_p(F2FS_OPTION(sbi).s_resgid)) return true; - if (capable(CAP_SYS_RESOURCE)) + if (cap && capable(CAP_SYS_RESOURCE)) return true; return false; } @@ -1650,7 +1650,7 @@ static inline int inc_valid_block_count( avail_user_block_count = sbi->user_block_count - sbi->current_reserved_blocks; - if (!__allow_reserved_blocks(sbi, inode)) + if (!__allow_reserved_blocks(sbi, inode, true)) avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { @@ -1857,7 +1857,7 @@ static inline int inc_valid_node_count(s valid_block_count = sbi->total_valid_block_count + sbi->current_reserved_blocks + 1; - if (!__allow_reserved_blocks(sbi, inode)) + if (!__allow_reserved_blocks(sbi, inode, false)) valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks; if (unlikely(valid_block_count > sbi->user_block_count)) {