lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
 
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Wed, 05 Dec 2007 19:37:27 +0000
From:	David Howells <dhowells@...hat.com>
To:	viro@....linux.org.uk, hch@...radead.org,
	Trond.Myklebust@...app.com, sds@...ho.nsa.gov,
	casey@...aufler-ca.com
Cc:	linux-kernel@...r.kernel.org, selinux@...ho.nsa.gov,
	linux-security-module@...r.kernel.org, dhowells@...hat.com
Subject: [PATCH 5/7] Security: Change current->fs[ug]id to current_fs[ug]id()

Change current->fs[ug]id to current_fs[ug]id() so that fsgid and fsuid can be
separated from the task_struct.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 arch/ia64/kernel/perfmon.c                |    4 ++--
 arch/powerpc/platforms/cell/spufs/inode.c |    4 ++--
 drivers/isdn/capi/capifs.c                |    4 ++--
 drivers/usb/core/inode.c                  |    4 ++--
 fs/9p/fid.c                               |    2 +-
 fs/9p/vfs_inode.c                         |    4 ++--
 fs/9p/vfs_super.c                         |    4 ++--
 fs/affs/inode.c                           |    4 ++--
 fs/anon_inodes.c                          |    4 ++--
 fs/attr.c                                 |    4 ++--
 fs/bfs/dir.c                              |    4 ++--
 fs/cifs/cifsproto.h                       |    2 +-
 fs/cifs/dir.c                             |   12 ++++++------
 fs/cifs/inode.c                           |    8 ++++----
 fs/cifs/misc.c                            |    4 ++--
 fs/coda/cache.c                           |    6 +++---
 fs/coda/upcall.c                          |    4 ++--
 fs/devpts/inode.c                         |    4 ++--
 fs/dquot.c                                |    2 +-
 fs/exec.c                                 |    4 ++--
 fs/ext2/balloc.c                          |    2 +-
 fs/ext2/ialloc.c                          |    4 ++--
 fs/ext2/ioctl.c                           |    2 +-
 fs/ext3/balloc.c                          |    2 +-
 fs/ext3/ialloc.c                          |    4 ++--
 fs/ext4/balloc.c                          |    2 +-
 fs/ext4/ialloc.c                          |    4 ++--
 fs/fuse/dev.c                             |    4 ++--
 fs/gfs2/inode.c                           |   10 +++++-----
 fs/hfs/inode.c                            |    4 ++--
 fs/hfsplus/inode.c                        |    4 ++--
 fs/hpfs/namei.c                           |   24 ++++++++++++------------
 fs/hugetlbfs/inode.c                      |   16 ++++++++--------
 fs/jffs2/fs.c                             |    4 ++--
 fs/jfs/jfs_inode.c                        |    4 ++--
 fs/locks.c                                |    2 +-
 fs/minix/bitmap.c                         |    4 ++--
 fs/namei.c                                |    8 ++++----
 fs/nfsd/vfs.c                             |    4 ++--
 fs/ocfs2/dlm/dlmfs.c                      |    8 ++++----
 fs/ocfs2/namei.c                          |    4 ++--
 fs/pipe.c                                 |    4 ++--
 fs/posix_acl.c                            |    4 ++--
 fs/ramfs/inode.c                          |    4 ++--
 fs/reiserfs/namei.c                       |    4 ++--
 fs/sysv/ialloc.c                          |    4 ++--
 fs/udf/ialloc.c                           |    4 ++--
 fs/udf/namei.c                            |    2 +-
 fs/ufs/ialloc.c                           |    4 ++--
 fs/xfs/linux-2.6/xfs_linux.h              |    4 ++--
 fs/xfs/xfs_acl.c                          |    6 +++---
 fs/xfs/xfs_attr.c                         |    2 +-
 fs/xfs/xfs_inode.c                        |    6 +++---
 fs/xfs/xfs_vnodeops.c                     |    8 ++++----
 include/linux/fs.h                        |    2 +-
 include/linux/sched.h                     |    3 +++
 ipc/mqueue.c                              |    4 ++--
 kernel/cgroup.c                           |    4 ++--
 mm/shmem.c                                |    8 ++++----
 net/9p/client.c                           |    2 +-
 net/socket.c                              |    4 ++--
 net/sunrpc/auth.c                         |    8 ++++----
 security/commoncap.c                      |    8 ++++----
 security/keys/key.c                       |    2 +-
 security/keys/keyctl.c                    |    2 +-
 security/keys/request_key.c               |   10 +++++-----
 security/keys/request_key_auth.c          |    2 +-
 67 files changed, 163 insertions(+), 160 deletions(-)

diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 73e7c2e..ef383d9 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2206,8 +2206,8 @@ pfm_alloc_fd(struct file **cfile)
 	DPRINT(("new inode ino=%ld @%p\n", inode->i_ino, inode));
 
 	inode->i_mode = S_IFCHR|S_IRUGO;
-	inode->i_uid  = current->fsuid;
-	inode->i_gid  = current->fsgid;
+	inode->i_uid  = current_fsuid();
+	inode->i_gid  = current_fsgid();
 
 	sprintf(name, "[%lu]", inode->i_ino);
 	this.name = name;
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index c0e968a..4efe7bf 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -85,8 +85,8 @@ spufs_new_inode(struct super_block *sb, int mode)
 		goto out;
 
 	inode->i_mode = mode;
-	inode->i_uid = current->fsuid;
-	inode->i_gid = current->fsgid;
+	inode->i_uid = current_fsuid();
+	inode->i_gid = current_fsgid();
 	inode->i_blocks = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 out:
diff --git a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
index 2dd1b57..26b9aea 100644
--- a/drivers/isdn/capi/capifs.c
+++ b/drivers/isdn/capi/capifs.c
@@ -148,8 +148,8 @@ void capifs_new_ncci(unsigned int number, dev_t device)
 	if (!inode)
 		return;
 	inode->i_ino = number+2;
-	inode->i_uid = config.setuid ? config.uid : current->fsuid;
-	inode->i_gid = config.setgid ? config.gid : current->fsgid;
+	inode->i_uid = config.setuid ? config.uid : current_fsuid();
+	inode->i_gid = config.setgid ? config.gid : current_fsgid();
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
 	init_special_inode(inode, S_IFCHR|config.mode, device);
 	//inode->i_op = &capifs_file_inode_operations;
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index cd4f111..9173eae 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -246,8 +246,8 @@ static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t de
 
 	if (inode) {
 		inode->i_mode = mode;
-		inode->i_uid = current->fsuid;
-		inode->i_gid = current->fsgid;
+		inode->i_uid = current_fsuid();
+		inode->i_gid = current_fsgid();
 		inode->i_blocks = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 		switch (mode & S_IFMT) {
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index b364da7..cd7799c 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -121,7 +121,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
 	switch (access) {
 	case V9FS_ACCESS_SINGLE:
 	case V9FS_ACCESS_USER:
-		uid = current->fsuid;
+		uid = current_fsuid();
 		any = 0;
 		break;
 
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 23581bc..b6d7fc9 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -202,8 +202,8 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
 	inode = new_inode(sb);
 	if (inode) {
 		inode->i_mode = mode;
-		inode->i_uid = current->fsuid;
-		inode->i_gid = current->fsgid;
+		inode->i_uid = current_fsuid();
+		inode->i_gid = current_fsgid();
 		inode->i_blocks = 0;
 		inode->i_rdev = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 678c02f..465520d 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -112,8 +112,8 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
 	struct v9fs_session_info *v9ses = NULL;
 	struct p9_stat *st = NULL;
 	int mode = S_IRWXUGO | S_ISVTX;
-	uid_t uid = current->fsuid;
-	gid_t gid = current->fsgid;
+	uid_t uid = current_fsuid();
+	gid_t gid = current_fsgid();
 	struct p9_fid *fid;
 	int retval = 0;
 
diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index 4609a6c..fb84ebc 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -305,8 +305,8 @@ affs_new_inode(struct inode *dir)
 	mark_buffer_dirty_inode(bh, inode);
 	affs_brelse(bh);
 
-	inode->i_uid     = current->fsuid;
-	inode->i_gid     = current->fsgid;
+	inode->i_uid     = current_fsuid();
+	inode->i_gid     = current_fsgid();
 	inode->i_ino     = block;
 	inode->i_nlink   = 1;
 	inode->i_mtime   = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 2332188..a2f6a13 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -162,8 +162,8 @@ static struct inode *anon_inode_mkinode(void)
 	 */
 	inode->i_state = I_DIRTY;
 	inode->i_mode = S_IRUSR | S_IWUSR;
-	inode->i_uid = current->fsuid;
-	inode->i_gid = current->fsgid;
+	inode->i_uid = current_fsuid();
+	inode->i_gid = current_fsgid();
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	return inode;
 }
diff --git a/fs/attr.c b/fs/attr.c
index 966b73e..117cca7 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -29,13 +29,13 @@ int inode_change_ok(struct inode *inode, struct iattr *attr)
 
 	/* Make sure a caller can chown. */
 	if ((ia_valid & ATTR_UID) &&
-	    (current->fsuid != inode->i_uid ||
+	    (current_fsuid() != inode->i_uid ||
 	     attr->ia_uid != inode->i_uid) && !capable(CAP_CHOWN))
 		goto error;
 
 	/* Make sure caller can chgrp. */
 	if ((ia_valid & ATTR_GID) &&
-	    (current->fsuid != inode->i_uid ||
+	    (current_fsuid() != inode->i_uid ||
 	    (!in_group_p(attr->ia_gid) && attr->ia_gid != inode->i_gid)) &&
 	    !capable(CAP_CHOWN))
 		goto error;
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index 1fd056d..499c531 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -104,8 +104,8 @@ static int bfs_create(struct inode *dir, struct dentry *dentry, int mode,
 	}
 	set_bit(ino, info->si_imap);
 	info->si_freei--;
-	inode->i_uid = current->fsuid;
-	inode->i_gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
+	inode->i_uid = current_fsuid();
+	inode->i_gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current_fsgid();
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
 	inode->i_blocks = 0;
 	inode->i_op = &bfs_file_inops;
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 8350eec..1c659db 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -39,7 +39,7 @@ extern int smb_send(struct socket *, struct smb_hdr *,
 			unsigned int /* length */ , struct sockaddr *);
 extern unsigned int _GetXid(void);
 extern void _FreeXid(unsigned int);
-#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current->fsuid));
+#define GetXid() (int)_GetXid(); cFYI(1,("CIFS VFS: in %s as Xid: %d with uid: %d",__FUNCTION__, xid,current_fsuid()));
 #define FreeXid(curr_xid) {_FreeXid(curr_xid); cFYI(1,("CIFS VFS: leaving %s (xid = %d) rc = %d",__FUNCTION__,curr_xid,(int)rc));}
 extern char *build_path_from_dentry(struct dentry *);
 extern char *build_wildcard_path_from_dentry(struct dentry *direntry);
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 37dc97a..728726a 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -211,8 +211,8 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
 			mode &= ~current->fs->umask;
 			if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
 				CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode,
-					(__u64)current->fsuid,
-					(__u64)current->fsgid,
+					(__u64)current_fsuid(),
+					(__u64)current_fsgid(),
 					0 /* dev */,
 					cifs_sb->local_nls,
 					cifs_sb->mnt_cifs_flags &
@@ -246,8 +246,8 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
 				if ((oplock & CIFS_CREATE_ACTION) &&
 				    (cifs_sb->mnt_cifs_flags &
 				     CIFS_MOUNT_SET_UID)) {
-					newinode->i_uid = current->fsuid;
-					newinode->i_gid = current->fsgid;
+					newinode->i_uid = current_fsuid();
+					newinode->i_gid = current_fsgid();
 				}
 			}
 		}
@@ -340,8 +340,8 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode,
 		mode &= ~current->fs->umask;
 		if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
 			rc = CIFSSMBUnixSetPerms(xid, pTcon, full_path,
-				mode, (__u64)current->fsuid,
-				(__u64)current->fsgid,
+				mode, (__u64)current_fsuid(),
+				(__u64)current_fsgid(),
 				device_number, cifs_sb->local_nls,
 				cifs_sb->mnt_cifs_flags &
 					CIFS_MOUNT_MAP_SPECIAL_CHR);
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index e915eb1..8040b1b 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1031,8 +1031,8 @@ mkdir_get_info:
 			if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
 				CIFSSMBUnixSetPerms(xid, pTcon, full_path,
 						    mode,
-						    (__u64)current->fsuid,
-						    (__u64)current->fsgid,
+						    (__u64)current_fsuid(),
+						    (__u64)current_fsgid(),
 						    0 /* dev_t */,
 						    cifs_sb->local_nls,
 						    cifs_sb->mnt_cifs_flags &
@@ -1055,9 +1055,9 @@ mkdir_get_info:
 				if (cifs_sb->mnt_cifs_flags &
 				     CIFS_MOUNT_SET_UID) {
 					direntry->d_inode->i_uid =
-						current->fsuid;
+						current_fsuid();
 					direntry->d_inode->i_gid =
-						current->fsgid;
+						current_fsgid();
 				}
 			}
 		}
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 15546c2..b862231 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -351,13 +351,13 @@ header_assemble(struct smb_hdr *buffer, char smb_command /* command */ ,
 		/*  BB Add support for establishing new tCon and SMB Session  */
 		/*      with userid/password pairs found on the smb session   */
 		/*	for other target tcp/ip addresses 		BB    */
-				if (current->fsuid != treeCon->ses->linux_uid) {
+				if (current_fsuid() != treeCon->ses->linux_uid) {
 					cFYI(1, ("Multiuser mode and UID "
 						 "did not match tcon uid"));
 					read_lock(&GlobalSMBSeslock);
 					list_for_each(temp_item, &GlobalSMBSessionList) {
 						ses = list_entry(temp_item, struct cifsSesInfo, cifsSessionList);
-						if (ses->linux_uid == current->fsuid) {
+						if (ses->linux_uid == current_fsuid()) {
 							if (ses->server == treeCon->ses->server) {
 								cFYI(1, ("found matching uid substitute right smb_uid"));
 								buffer->Uid = ses->Suid;
diff --git a/fs/coda/cache.c b/fs/coda/cache.c
index 8a23703..a5bf577 100644
--- a/fs/coda/cache.c
+++ b/fs/coda/cache.c
@@ -32,8 +32,8 @@ void coda_cache_enter(struct inode *inode, int mask)
 	struct coda_inode_info *cii = ITOC(inode);
 
 	cii->c_cached_epoch = atomic_read(&permission_epoch);
-	if (cii->c_uid != current->fsuid) {
-                cii->c_uid = current->fsuid;
+	if (cii->c_uid != current_fsuid()) {
+		cii->c_uid = current_fsuid();
                 cii->c_cached_perm = mask;
         } else
                 cii->c_cached_perm |= mask;
@@ -60,7 +60,7 @@ int coda_cache_check(struct inode *inode, int mask)
         int hit;
 	
         hit = (mask & cii->c_cached_perm) == mask &&
-		cii->c_uid == current->fsuid &&
+		cii->c_uid == current_fsuid() &&
 		cii->c_cached_epoch == atomic_read(&permission_epoch);
 
         return hit;
diff --git a/fs/coda/upcall.c b/fs/coda/upcall.c
index 359e531..806e6aa 100644
--- a/fs/coda/upcall.c
+++ b/fs/coda/upcall.c
@@ -54,9 +54,9 @@ static void *alloc_upcall(int opcode, int size)
 	inp->ih.pgid = task_pgrp_nr(current);
 #ifdef CONFIG_CODA_FS_OLD_API
 	memset(&inp->ih.cred, 0, sizeof(struct coda_cred));
-	inp->ih.cred.cr_fsuid = current->fsuid;
+	inp->ih.cred.cr_fsuid = current_fsuid();
 #else
-	inp->ih.uid = current->fsuid;
+	inp->ih.uid = current_fsuid();
 #endif
 	return (void*)inp;
 }
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 06ef9a2..1c9ffd9 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -172,8 +172,8 @@ int devpts_pty_new(struct tty_struct *tty)
 		return -ENOMEM;
 
 	inode->i_ino = number+2;
-	inode->i_uid = config.setuid ? config.uid : current->fsuid;
-	inode->i_gid = config.setgid ? config.gid : current->fsgid;
+	inode->i_uid = config.setuid ? config.uid : current_fsuid();
+	inode->i_gid = config.setgid ? config.gid : current_fsgid();
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
 	init_special_inode(inode, S_IFCHR|config.mode, device);
 	inode->i_private = tty;
diff --git a/fs/dquot.c b/fs/dquot.c
index 2809768..3dc58a8 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -837,7 +837,7 @@ static inline int need_print_warning(struct dquot *dquot)
 
 	switch (dquot->dq_type) {
 		case USRQUOTA:
-			return current->fsuid == dquot->dq_id;
+			return current_fsuid() == dquot->dq_id;
 		case GRPQUOTA:
 			return in_group_p(dquot->dq_id);
 	}
diff --git a/fs/exec.c b/fs/exec.c
index 282240a..a09ce1b 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1678,7 +1678,7 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
 	struct inode * inode;
 	struct file * file;
 	int retval = 0;
-	int fsuid = current->fsuid;
+	int fsuid = current_fsuid();
 	int flag = 0;
 	int ispipe = 0;
 	unsigned long core_limit = current->signal->rlim[RLIMIT_CORE].rlim_cur;
@@ -1784,7 +1784,7 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
 	 * Dont allow local users get cute and trick others to coredump
 	 * into their pre-created files:
 	 */
-	if (inode->i_uid != current->fsuid)
+	if (inode->i_uid != current_fsuid())
 		goto close_fail;
 	if (!file->f_op)
 		goto close_fail;
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index 377ad17..bbddd14 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -1128,7 +1128,7 @@ static int ext2_has_free_blocks(struct ext2_sb_info *sbi)
 	free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
 	root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
 	if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
-		sbi->s_resuid != current->fsuid &&
+		sbi->s_resuid != current_fsuid() &&
 		(sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
 		return 0;
 	}
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 5deb8b7..1d020a9 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -554,7 +554,7 @@ got:
 
 	sb->s_dirt = 1;
 	mark_buffer_dirty(bh2);
-	inode->i_uid = current->fsuid;
+	inode->i_uid = current_fsuid();
 	if (test_opt (sb, GRPID))
 		inode->i_gid = dir->i_gid;
 	else if (dir->i_mode & S_ISGID) {
@@ -562,7 +562,7 @@ got:
 		if (S_ISDIR(mode))
 			mode |= S_ISGID;
 	} else
-		inode->i_gid = current->fsgid;
+		inode->i_gid = current_fsgid();
 	inode->i_mode = mode;
 
 	inode->i_ino = ino;
diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c
index 320b2cb..f5fdb95 100644
--- a/fs/ext2/ioctl.c
+++ b/fs/ext2/ioctl.c
@@ -105,7 +105,7 @@ int ext2_ioctl (struct inode * inode, struct file * filp, unsigned int cmd,
 		if (IS_RDONLY(inode))
 			return -EROFS;
 
-		if ((current->fsuid != inode->i_uid) && !capable(CAP_FOWNER))
+		if ((current_fsuid() != inode->i_uid) && !capable(CAP_FOWNER))
 			return -EACCES;
 
 		if (get_user(rsv_window_size, (int __user *)arg))
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index a8ba7e8..55e39a3 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -1360,7 +1360,7 @@ static int ext3_has_free_blocks(struct ext3_sb_info *sbi)
 	free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
 	root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count);
 	if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
-		sbi->s_resuid != current->fsuid &&
+		sbi->s_resuid != current_fsuid() &&
 		(sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
 		return 0;
 	}
diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c
index 1bc8cd8..fe20718 100644
--- a/fs/ext3/ialloc.c
+++ b/fs/ext3/ialloc.c
@@ -543,7 +543,7 @@ got:
 		percpu_counter_inc(&sbi->s_dirs_counter);
 	sb->s_dirt = 1;
 
-	inode->i_uid = current->fsuid;
+	inode->i_uid = current_fsuid();
 	if (test_opt (sb, GRPID))
 		inode->i_gid = dir->i_gid;
 	else if (dir->i_mode & S_ISGID) {
@@ -551,7 +551,7 @@ got:
 		if (S_ISDIR(mode))
 			mode |= S_ISGID;
 	} else
-		inode->i_gid = current->fsgid;
+		inode->i_gid = current_fsgid();
 	inode->i_mode = mode;
 
 	inode->i_ino = ino;
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 71ee95e..a67d6bc 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -1480,7 +1480,7 @@ static int ext4_has_free_blocks(struct ext4_sb_info *sbi)
 	free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter);
 	root_blocks = ext4_r_blocks_count(sbi->s_es);
 	if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) &&
-		sbi->s_resuid != current->fsuid &&
+		sbi->s_resuid != current_fsuid() &&
 		(sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) {
 		return 0;
 	}
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index c61f37f..37e95d2 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -674,7 +674,7 @@ got:
 		percpu_counter_inc(&sbi->s_dirs_counter);
 	sb->s_dirt = 1;
 
-	inode->i_uid = current->fsuid;
+	inode->i_uid = current_fsuid();
 	if (test_opt (sb, GRPID))
 		inode->i_gid = dir->i_gid;
 	else if (dir->i_mode & S_ISGID) {
@@ -682,7 +682,7 @@ got:
 		if (S_ISDIR(mode))
 			mode |= S_ISGID;
 	} else
-		inode->i_gid = current->fsgid;
+		inode->i_gid = current_fsgid();
 	inode->i_mode = mode;
 
 	inode->i_ino = ino + group * EXT4_INODES_PER_GROUP(sb);
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index db534bc..471a256 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -79,8 +79,8 @@ static void __fuse_put_request(struct fuse_req *req)
 
 static void fuse_req_init_context(struct fuse_req *req)
 {
-	req->in.h.uid = current->fsuid;
-	req->in.h.gid = current->fsgid;
+	req->in.h.uid = current_fsuid();
+	req->in.h.gid = current_fsgid();
 	req->in.h.pid = current->pid;
 }
 
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 5f6dc32..7719132 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -688,18 +688,18 @@ static void munge_mode_uid_gid(struct gfs2_inode *dip, unsigned int *mode,
 	    (dip->i_inode.i_mode & S_ISUID) && dip->i_inode.i_uid) {
 		if (S_ISDIR(*mode))
 			*mode |= S_ISUID;
-		else if (dip->i_inode.i_uid != current->fsuid)
+		else if (dip->i_inode.i_uid != current_fsuid())
 			*mode &= ~07111;
 		*uid = dip->i_inode.i_uid;
 	} else
-		*uid = current->fsuid;
+		*uid = current_fsuid();
 
 	if (dip->i_inode.i_mode & S_ISGID) {
 		if (S_ISDIR(*mode))
 			*mode |= S_ISGID;
 		*gid = dip->i_inode.i_gid;
 	} else
-		*gid = current->fsgid;
+		*gid = current_fsgid();
 }
 
 static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation)
@@ -1108,8 +1108,8 @@ int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
 		return -EPERM;
 
 	if ((dip->i_inode.i_mode & S_ISVTX) &&
-	    dip->i_inode.i_uid != current->fsuid &&
-	    ip->i_inode.i_uid != current->fsuid && !capable(CAP_FOWNER))
+	    dip->i_inode.i_uid != current_fsuid() &&
+	    ip->i_inode.i_uid != current_fsuid() && !capable(CAP_FOWNER))
 		return -EPERM;
 
 	if (IS_APPEND(&dip->i_inode))
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 97f8446..29caee5 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -155,8 +155,8 @@ struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, int mode)
 	hfs_cat_build_key(sb, (btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name);
 	inode->i_ino = HFS_SB(sb)->next_id++;
 	inode->i_mode = mode;
-	inode->i_uid = current->fsuid;
-	inode->i_gid = current->fsgid;
+	inode->i_uid = current_fsuid();
+	inode->i_gid = current_fsgid();
 	inode->i_nlink = 1;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
 	HFS_I(inode)->flags = 0;
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 37744cf..af54c28 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -312,8 +312,8 @@ struct inode *hfsplus_new_inode(struct super_block *sb, int mode)
 
 	inode->i_ino = HFSPLUS_SB(sb).next_cnid++;
 	inode->i_mode = mode;
-	inode->i_uid = current->fsuid;
-	inode->i_gid = current->fsgid;
+	inode->i_uid = current_fsuid();
+	inode->i_gid = current_fsgid();
 	inode->i_nlink = 1;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
 	INIT_LIST_HEAD(&HFSPLUS_I(inode).open_dir_list);
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index d256559..2af4578 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -92,11 +92,11 @@ static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	inc_nlink(dir);
 	insert_inode_hash(result);
 
-	if (result->i_uid != current->fsuid ||
-	    result->i_gid != current->fsgid ||
+	if (result->i_uid != current_fsuid() ||
+	    result->i_gid != current_fsgid() ||
 	    result->i_mode != (mode | S_IFDIR)) {
-		result->i_uid = current->fsuid;
-		result->i_gid = current->fsgid;
+		result->i_uid = current_fsuid();
+		result->i_gid = current_fsgid();
 		result->i_mode = mode | S_IFDIR;
 		hpfs_write_inode_nolock(result);
 	}
@@ -184,11 +184,11 @@ static int hpfs_create(struct inode *dir, struct dentry *dentry, int mode, struc
 
 	insert_inode_hash(result);
 
-	if (result->i_uid != current->fsuid ||
-	    result->i_gid != current->fsgid ||
+	if (result->i_uid != current_fsuid() ||
+	    result->i_gid != current_fsgid() ||
 	    result->i_mode != (mode | S_IFREG)) {
-		result->i_uid = current->fsuid;
-		result->i_gid = current->fsgid;
+		result->i_uid = current_fsuid();
+		result->i_gid = current_fsgid();
 		result->i_mode = mode | S_IFREG;
 		hpfs_write_inode_nolock(result);
 	}
@@ -247,8 +247,8 @@ static int hpfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t
 	result->i_mtime.tv_nsec = 0;
 	result->i_atime.tv_nsec = 0;
 	hpfs_i(result)->i_ea_size = 0;
-	result->i_uid = current->fsuid;
-	result->i_gid = current->fsgid;
+	result->i_uid = current_fsuid();
+	result->i_gid = current_fsgid();
 	result->i_nlink = 1;
 	result->i_size = 0;
 	result->i_blocks = 1;
@@ -325,8 +325,8 @@ static int hpfs_symlink(struct inode *dir, struct dentry *dentry, const char *sy
 	result->i_atime.tv_nsec = 0;
 	hpfs_i(result)->i_ea_size = 0;
 	result->i_mode = S_IFLNK | 0777;
-	result->i_uid = current->fsuid;
-	result->i_gid = current->fsgid;
+	result->i_uid = current_fsuid();
+	result->i_gid = current_fsgid();
 	result->i_blocks = 1;
 	result->i_nlink = 1;
 	result->i_size = strlen(symlink);
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 09ee07f..39ad919 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -543,9 +543,9 @@ static int hugetlbfs_mknod(struct inode *dir,
 		if (S_ISDIR(mode))
 			mode |= S_ISGID;
 	} else {
-		gid = current->fsgid;
+		gid = current_fsgid();
 	}
-	inode = hugetlbfs_get_inode(dir->i_sb, current->fsuid, gid, mode, dev);
+	inode = hugetlbfs_get_inode(dir->i_sb, current_fsuid(), gid, mode, dev);
 	if (inode) {
 		dir->i_ctime = dir->i_mtime = CURRENT_TIME;
 		d_instantiate(dentry, inode);
@@ -578,9 +578,9 @@ static int hugetlbfs_symlink(struct inode *dir,
 	if (dir->i_mode & S_ISGID)
 		gid = dir->i_gid;
 	else
-		gid = current->fsgid;
+		gid = current_fsgid();
 
-	inode = hugetlbfs_get_inode(dir->i_sb, current->fsuid,
+	inode = hugetlbfs_get_inode(dir->i_sb, current_fsuid(),
 					gid, S_IFLNK|S_IRWXUGO, 0);
 	if (inode) {
 		int l = strlen(symname)+1;
@@ -819,8 +819,8 @@ hugetlbfs_fill_super(struct super_block *sb, void *data, int silent)
 
 	config.nr_blocks = -1; /* No limit on size by default */
 	config.nr_inodes = -1; /* No limit on number of inodes by default */
-	config.uid = current->fsuid;
-	config.gid = current->fsgid;
+	config.uid = current_fsuid();
+	config.gid = current_fsgid();
 	config.mode = 0755;
 	ret = hugetlbfs_parse_options(data, &config);
 	if (ret)
@@ -933,8 +933,8 @@ struct file *hugetlb_file_setup(const char *name, size_t size)
 		goto out_shm_unlock;
 
 	error = -ENOSPC;
-	inode = hugetlbfs_get_inode(root->d_sb, current->fsuid,
-				current->fsgid, S_IFREG | S_IRWXUGO, 0);
+	inode = hugetlbfs_get_inode(root->d_sb, current_fsuid(),
+				current_fsgid(), S_IFREG | S_IRWXUGO, 0);
 	if (!inode)
 		goto out_dentry;
 
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index d2e06f7..61849f3 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -425,14 +425,14 @@ struct inode *jffs2_new_inode (struct inode *dir_i, int mode, struct jffs2_raw_i
 
 	memset(ri, 0, sizeof(*ri));
 	/* Set OS-specific defaults for new inodes */
-	ri->uid = cpu_to_je16(current->fsuid);
+	ri->uid = cpu_to_je16(current_fsuid());
 
 	if (dir_i->i_mode & S_ISGID) {
 		ri->gid = cpu_to_je16(dir_i->i_gid);
 		if (S_ISDIR(mode))
 			mode |= S_ISGID;
 	} else {
-		ri->gid = cpu_to_je16(current->fsgid);
+		ri->gid = cpu_to_je16(current_fsgid());
 	}
 
 	/* POSIX ACLs have to be processed now, at least partly.
diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index ed6574b..70022fd 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -93,13 +93,13 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
 		return ERR_PTR(rc);
 	}
 
-	inode->i_uid = current->fsuid;
+	inode->i_uid = current_fsuid();
 	if (parent->i_mode & S_ISGID) {
 		inode->i_gid = parent->i_gid;
 		if (S_ISDIR(mode))
 			mode |= S_ISGID;
 	} else
-		inode->i_gid = current->fsgid;
+		inode->i_gid = current_fsgid();
 
 	/*
 	 * New inodes need to save sane values on disk when
diff --git a/fs/locks.c b/fs/locks.c
index 8b8388e..359030b 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1358,7 +1358,7 @@ int generic_setlease(struct file *filp, long arg, struct file_lock **flp)
 	struct inode *inode = dentry->d_inode;
 	int error, rdlease_count = 0, wrlease_count = 0;
 
-	if ((current->fsuid != inode->i_uid) && !capable(CAP_LEASE))
+	if ((current_fsuid() != inode->i_uid) && !capable(CAP_LEASE))
 		return -EACCES;
 	if (!S_ISREG(inode->i_mode))
 		return -EINVAL;
diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c
index 703cc35..3aebe32 100644
--- a/fs/minix/bitmap.c
+++ b/fs/minix/bitmap.c
@@ -262,8 +262,8 @@ struct inode * minix_new_inode(const struct inode * dir, int * error)
 		iput(inode);
 		return NULL;
 	}
-	inode->i_uid = current->fsuid;
-	inode->i_gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current->fsgid;
+	inode->i_uid = current_fsuid();
+	inode->i_gid = (dir->i_mode & S_ISGID) ? dir->i_gid : current_fsgid();
 	inode->i_ino = j;
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
 	inode->i_blocks = 0;
diff --git a/fs/namei.c b/fs/namei.c
index 3b993db..8963e91 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -184,7 +184,7 @@ int generic_permission(struct inode *inode, int mask,
 {
 	umode_t			mode = inode->i_mode;
 
-	if (current->fsuid == inode->i_uid)
+	if (current_fsuid() == inode->i_uid)
 		mode >>= 6;
 	else {
 		if (IS_POSIXACL(inode) && (mode & S_IRWXG) && check_acl) {
@@ -452,7 +452,7 @@ static int exec_permission_lite(struct inode *inode,
 	if (inode->i_op && inode->i_op->permission)
 		return -EAGAIN;
 
-	if (current->fsuid == inode->i_uid)
+	if (current_fsuid() == inode->i_uid)
 		mode >>= 6;
 	else if (in_group_p(inode->i_gid))
 		mode >>= 3;
@@ -1435,9 +1435,9 @@ static inline int check_sticky(struct inode *dir, struct inode *inode)
 {
 	if (!(dir->i_mode & S_ISVTX))
 		return 0;
-	if (inode->i_uid == current->fsuid)
+	if (inode->i_uid == current_fsuid())
 		return 0;
-	if (dir->i_uid == current->fsuid)
+	if (dir->i_uid == current_fsuid())
 		return 0;
 	return !capable(CAP_FOWNER);
 }
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index d019918..f11c48d 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1857,7 +1857,7 @@ nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,
 		IS_APPEND(inode)?	" append" : "",
 		IS_RDONLY(inode)?	" ro" : "");
 	dprintk("      owner %d/%d user %d/%d\n",
-		inode->i_uid, inode->i_gid, current->fsuid, current->fsgid);
+		inode->i_uid, inode->i_gid, current_fsuid(), current->fsgid);
 #endif
 
 	/* Normally we reject any write/sattr etc access on a read-only file
@@ -1899,7 +1899,7 @@ nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,
 	 * with NFSv3.
 	 */
 	if ((acc & MAY_OWNER_OVERRIDE) &&
-	    inode->i_uid == current->fsuid)
+	    inode->i_uid == current_fsuid())
 		return 0;
 
 	err = permission(inode, acc & (MAY_READ|MAY_WRITE|MAY_EXEC), NULL);
diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlm/dlmfs.c
index 6639baa..ea65979 100644
--- a/fs/ocfs2/dlm/dlmfs.c
+++ b/fs/ocfs2/dlm/dlmfs.c
@@ -328,8 +328,8 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb)
 		ip = DLMFS_I(inode);
 
 		inode->i_mode = mode;
-		inode->i_uid = current->fsuid;
-		inode->i_gid = current->fsgid;
+		inode->i_uid = current_fsuid();
+		inode->i_gid = current_fsgid();
 		inode->i_blocks = 0;
 		inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
@@ -354,8 +354,8 @@ static struct inode *dlmfs_get_inode(struct inode *parent,
 		return NULL;
 
 	inode->i_mode = mode;
-	inode->i_uid = current->fsuid;
-	inode->i_gid = current->fsgid;
+	inode->i_uid = current_fsuid();
+	inode->i_gid = current_fsgid();
 	inode->i_blocks = 0;
 	inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 989ac27..86e2717 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -426,13 +426,13 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
 	fe->i_blkno = cpu_to_le64(fe_blkno);
 	fe->i_suballoc_bit = cpu_to_le16(suballoc_bit);
 	fe->i_suballoc_slot = cpu_to_le16(osb->slot_num);
-	fe->i_uid = cpu_to_le32(current->fsuid);
+	fe->i_uid = cpu_to_le32(current_fsuid());
 	if (dir->i_mode & S_ISGID) {
 		fe->i_gid = cpu_to_le32(dir->i_gid);
 		if (S_ISDIR(mode))
 			mode |= S_ISGID;
 	} else
-		fe->i_gid = cpu_to_le32(current->fsgid);
+		fe->i_gid = cpu_to_le32(current_fsgid());
 	fe->i_mode = cpu_to_le16(mode);
 	if (S_ISCHR(mode) || S_ISBLK(mode))
 		fe->id1.dev1.i_rdev = cpu_to_le64(huge_encode_dev(dev));
diff --git a/fs/pipe.c b/fs/pipe.c
index e66ec48..598cf6c 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -938,8 +938,8 @@ static struct inode * get_pipe_inode(void)
 	 */
 	inode->i_state = I_DIRTY;
 	inode->i_mode = S_IFIFO | S_IRUSR | S_IWUSR;
-	inode->i_uid = current->fsuid;
-	inode->i_gid = current->fsgid;
+	inode->i_uid = current_fsuid();
+	inode->i_gid = current_fsgid();
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 
 	return inode;
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index aec931e..39df95a 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -217,11 +217,11 @@ posix_acl_permission(struct inode *inode, const struct posix_acl *acl, int want)
                 switch(pa->e_tag) {
                         case ACL_USER_OBJ:
 				/* (May have been checked already) */
-                                if (inode->i_uid == current->fsuid)
+				if (inode->i_uid == current_fsuid())
                                         goto check_perm;
                                 break;
                         case ACL_USER:
-                                if (pa->e_id == current->fsuid)
+				if (pa->e_id == current_fsuid())
                                         goto mask;
 				break;
                         case ACL_GROUP_OBJ:
diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c
index 8428d5b..98421f7 100644
--- a/fs/ramfs/inode.c
+++ b/fs/ramfs/inode.c
@@ -55,8 +55,8 @@ struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev)
 
 	if (inode) {
 		inode->i_mode = mode;
-		inode->i_uid = current->fsuid;
-		inode->i_gid = current->fsgid;
+		inode->i_uid = current_fsuid();
+		inode->i_gid = current_fsgid();
 		inode->i_blocks = 0;
 		inode->i_mapping->a_ops = &ramfs_aops;
 		inode->i_mapping->backing_dev_info = &ramfs_backing_dev_info;
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index b378eea..84458f3 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -582,7 +582,7 @@ static int new_inode_init(struct inode *inode, struct inode *dir, int mode)
 	/* the quota init calls have to know who to charge the quota to, so
 	 ** we have to set uid and gid here
 	 */
-	inode->i_uid = current->fsuid;
+	inode->i_uid = current_fsuid();
 	inode->i_mode = mode;
 	/* Make inode invalid - just in case we are going to drop it before
 	 * the initialization happens */
@@ -593,7 +593,7 @@ static int new_inode_init(struct inode *inode, struct inode *dir, int mode)
 		if (S_ISDIR(mode))
 			inode->i_mode |= S_ISGID;
 	} else {
-		inode->i_gid = current->fsgid;
+		inode->i_gid = current_fsgid();
 	}
 	DQUOT_INIT(inode);
 	return 0;
diff --git a/fs/sysv/ialloc.c b/fs/sysv/ialloc.c
index 115ab0d..241e976 100644
--- a/fs/sysv/ialloc.c
+++ b/fs/sysv/ialloc.c
@@ -165,9 +165,9 @@ struct inode * sysv_new_inode(const struct inode * dir, mode_t mode)
 		if (S_ISDIR(mode))
 			mode |= S_ISGID;
 	} else
-		inode->i_gid = current->fsgid;
+		inode->i_gid = current_fsgid();
 
-	inode->i_uid = current->fsuid;
+	inode->i_uid = current_fsuid();
 	inode->i_ino = fs16_to_cpu(sbi, ino);
 	inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
 	inode->i_blocks = 0;
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 636d8f6..1f3c01a 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -105,13 +105,13 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
 		mark_buffer_dirty(UDF_SB_LVIDBH(sb));
 	}
 	inode->i_mode = mode;
-	inode->i_uid = current->fsuid;
+	inode->i_uid = current_fsuid();
 	if (dir->i_mode & S_ISGID) {
 		inode->i_gid = dir->i_gid;
 		if (S_ISDIR(mode))
 			mode |= S_ISGID;
 	} else {
-		inode->i_gid = current->fsgid;
+		inode->i_gid = current_fsgid();
 	}
 
 	UDF_I_LOCATION(inode).logicalBlockNum = block;
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index bec96a6..e2d466c 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -636,7 +636,7 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
 	if (!inode)
 		goto out;
 
-	inode->i_uid = current->fsuid;
+	inode->i_uid = current_fsuid();
 	init_special_inode(inode, mode, rdev);
 	if (!(fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err))) {
 		inode->i_nlink--;
diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index 7e260bc..88f8889 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -304,13 +304,13 @@ cg_found:
 
 	inode->i_ino = cg * uspi->s_ipg + bit;
 	inode->i_mode = mode;
-	inode->i_uid = current->fsuid;
+	inode->i_uid = current_fsuid();
 	if (dir->i_mode & S_ISGID) {
 		inode->i_gid = dir->i_gid;
 		if (S_ISDIR(mode))
 			inode->i_mode |= S_ISGID;
 	} else
-		inode->i_gid = current->fsgid;
+		inode->i_gid = current_fsgid();
 
 	inode->i_blocks = 0;
 	inode->i_generation = 0;
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index dc3752d..0b943dd 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -126,8 +126,8 @@
 
 #define current_cpu()		(raw_smp_processor_id())
 #define current_pid()		(current->pid)
-#define current_fsuid(cred)	(current->fsuid)
-#define current_fsgid(cred)	(current->fsgid)
+#define this_fsuid(cred)	(current_fsuid())
+#define this_fsgid(cred)	(current_fsgid())
 #define current_test_flags(f)	(current->flags & (f))
 #define current_set_flags_nested(sp, f)		\
 		(*(sp) = current->flags, current->flags |= (f))
diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index 5bfb66f..878ca6e 100644
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -386,7 +386,7 @@ xfs_acl_allow_set(
 	error = xfs_getattr(ip, &va, 0);
 	if (error)
 		return error;
-	if (va.va_uid != current->fsuid && !capable(CAP_FOWNER))
+	if (va.va_uid != current_fsuid() && !capable(CAP_FOWNER))
 		return EPERM;
 	return error;
 }
@@ -460,13 +460,13 @@ xfs_acl_access(
 		switch (fap->acl_entry[i].ae_tag) {
 		case ACL_USER_OBJ:
 			seen_userobj = 1;
-			if (fuid != current->fsuid)
+			if (fuid != current_fsuid())
 				continue;
 			matched.ae_tag = ACL_USER_OBJ;
 			matched.ae_perm = allows;
 			break;
 		case ACL_USER:
-			if (fap->acl_entry[i].ae_id != current->fsuid)
+			if (fap->acl_entry[i].ae_id != current_fsuid())
 				continue;
 			matched.ae_tag = ACL_USER;
 			matched.ae_perm = allows;
diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c
index 93fa64d..33c1173 100644
--- a/fs/xfs/xfs_attr.c
+++ b/fs/xfs/xfs_attr.c
@@ -2627,7 +2627,7 @@ attr_user_capable(
 	    !capable(CAP_SYS_ADMIN))
 		return -EPERM;
 	if (S_ISDIR(inode->i_mode) && (inode->i_mode & S_ISVTX) &&
-	    (current_fsuid(cred) != inode->i_uid) && !capable(CAP_FOWNER))
+	    (this_fsuid(cred) != inode->i_uid) && !capable(CAP_FOWNER))
 		return -EPERM;
 	return 0;
 }
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index abf509a..31eba0d 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1132,8 +1132,8 @@ xfs_ialloc(
 	ip->i_d.di_onlink = 0;
 	ip->i_d.di_nlink = nlink;
 	ASSERT(ip->i_d.di_nlink == nlink);
-	ip->i_d.di_uid = current_fsuid(cr);
-	ip->i_d.di_gid = current_fsgid(cr);
+	ip->i_d.di_uid = this_fsuid(cr);
+	ip->i_d.di_gid = this_fsgid(cr);
 	ip->i_d.di_projid = prid;
 	memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
 
@@ -3640,7 +3640,7 @@ xfs_iaccess(
 	if ((error = _ACL_XFS_IACCESS(ip, mode, cr)) != -1)
 		return error ? XFS_ERROR(error) : 0;
 
-	if (current_fsuid(cr) != ip->i_d.di_uid) {
+	if (this_fsuid(cr) != ip->i_d.di_uid) {
 		mode >>= 3;
 		if (!in_group_p((gid_t)ip->i_d.di_gid))
 			mode >>= 3;
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index efd5aff..86bc8ec 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -341,7 +341,7 @@ xfs_setattr(
 	xfs_ilock(ip, lock_flags);
 
 	/* boolean: are we the file owner? */
-	file_owner = (current_fsuid(credp) == ip->i_d.di_uid);
+	file_owner = (this_fsuid(credp) == ip->i_d.di_uid);
 
 	/*
 	 * Change various properties of a file.
@@ -1878,7 +1878,7 @@ xfs_create(
 	 * Make sure that we have allocated dquot(s) on disk.
 	 */
 	error = XFS_QM_DQVOPALLOC(mp, dp,
-			current_fsuid(credp), current_fsgid(credp), prid,
+			this_fsuid(credp), this_fsgid(credp), prid,
 			XFS_QMOPT_QUOTALL|XFS_QMOPT_INHERIT, &udqp, &gdqp);
 	if (error)
 		goto std_return;
@@ -2757,7 +2757,7 @@ xfs_mkdir(
 	 * Make sure that we have allocated dquot(s) on disk.
 	 */
 	error = XFS_QM_DQVOPALLOC(mp, dp,
-			current_fsuid(credp), current_fsgid(credp), prid,
+			this_fsuid(credp), this_fsgid(credp), prid,
 			XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
 	if (error)
 		goto std_return;
@@ -3249,7 +3249,7 @@ xfs_symlink(
 	 * Make sure that we have allocated dquot(s) on disk.
 	 */
 	error = XFS_QM_DQVOPALLOC(mp, dp,
-			current_fsuid(credp), current_fsgid(credp), prid,
+			this_fsuid(credp), this_fsgid(credp), prid,
 			XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp);
 	if (error)
 		goto std_return;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b3ec4a4..850d3fc 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1057,7 +1057,7 @@ enum {
 #define has_fs_excl() atomic_read(&current->fs_excl)
 
 #define is_owner_or_cap(inode)	\
-	((current->fsuid == (inode)->i_uid) || capable(CAP_FOWNER))
+	((current_fsuid() == (inode)->i_uid) || capable(CAP_FOWNER))
 
 /* not quite ready to be deprecated, but... */
 extern void lock_super(struct super_block *);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index ac3d496..88a5626 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1180,6 +1180,9 @@ struct task_struct {
 	struct prop_local_single dirties;
 };
 
+#define current_fsuid() (current->fsuid)
+#define current_fsgid() (current->fsgid)
+
 /*
  * Priority of a process goes from 0..MAX_PRIO-1, valid RT
  * priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 6ca7b97..590045a 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -109,8 +109,8 @@ static struct inode *mqueue_get_inode(struct super_block *sb, int mode,
 	inode = new_inode(sb);
 	if (inode) {
 		inode->i_mode = mode;
-		inode->i_uid = current->fsuid;
-		inode->i_gid = current->fsgid;
+		inode->i_uid = current_fsuid();
+		inode->i_gid = current_fsgid();
 		inode->i_blocks = 0;
 		inode->i_mtime = inode->i_ctime = inode->i_atime =
 				CURRENT_TIME;
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 1a3c239..1b85df5 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -577,8 +577,8 @@ static struct inode *cgroup_new_inode(mode_t mode, struct super_block *sb)
 
 	if (inode) {
 		inode->i_mode = mode;
-		inode->i_uid = current->fsuid;
-		inode->i_gid = current->fsgid;
+		inode->i_uid = current_fsuid();
+		inode->i_gid = current_fsgid();
 		inode->i_blocks = 0;
 		inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 		inode->i_mapping->backing_dev_info = &cgroup_backing_dev_info;
diff --git a/mm/shmem.c b/mm/shmem.c
index 51b3d6c..292b329 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1412,8 +1412,8 @@ shmem_get_inode(struct super_block *sb, int mode, dev_t dev)
 	inode = new_inode(sb);
 	if (inode) {
 		inode->i_mode = mode;
-		inode->i_uid = current->fsuid;
-		inode->i_gid = current->fsgid;
+		inode->i_uid = current_fsuid();
+		inode->i_gid = current_fsgid();
 		inode->i_blocks = 0;
 		inode->i_mapping->a_ops = &shmem_aops;
 		inode->i_mapping->backing_dev_info = &shmem_backing_dev_info;
@@ -2241,8 +2241,8 @@ static int shmem_fill_super(struct super_block *sb,
 	struct inode *inode;
 	struct dentry *root;
 	int mode   = S_IRWXUGO | S_ISVTX;
-	uid_t uid = current->fsuid;
-	gid_t gid = current->fsgid;
+	uid_t uid = current_fsuid();
+	gid_t gid = current_fsgid();
 	int err = -ENOMEM;
 	struct shmem_sb_info *sbinfo;
 	unsigned long blocks = 0;
diff --git a/net/9p/client.c b/net/9p/client.c
index af91993..9cb8b3b 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -938,7 +938,7 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
 	fid->rdir_fpos = 0;
 	fid->rdir_pos = 0;
 	fid->rdir_fcall = NULL;
-	fid->uid = current->fsuid;
+	fid->uid = current_fsuid();
 	fid->clnt = clnt;
 	fid->aux = NULL;
 
diff --git a/net/socket.c b/net/socket.c
index 74784df..e5f8151 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -484,8 +484,8 @@ static struct socket *sock_alloc(void)
 	sock = SOCKET_I(inode);
 
 	inode->i_mode = S_IFSOCK | S_IRWXUGO;
-	inode->i_uid = current->fsuid;
-	inode->i_gid = current->fsgid;
+	inode->i_uid = current_fsuid();
+	inode->i_gid = current_fsgid();
 
 	get_cpu_var(sockets_in_use)++;
 	put_cpu_var(sockets_in_use);
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 1ea2755..390a1ec 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -337,8 +337,8 @@ struct rpc_cred *
 rpcauth_lookupcred(struct rpc_auth *auth, int flags)
 {
 	struct auth_cred acred = {
-		.uid = current->fsuid,
-		.gid = current->fsgid,
+		.uid = current_fsuid(),
+		.gid = current_fsgid(),
 		.group_info = current->group_info,
 	};
 	struct rpc_cred *ret;
@@ -373,8 +373,8 @@ rpcauth_bindcred(struct rpc_task *task)
 {
 	struct rpc_auth *auth = task->tk_client->cl_auth;
 	struct auth_cred acred = {
-		.uid = current->fsuid,
-		.gid = current->fsgid,
+		.uid = current_fsuid(),
+		.gid = current_fsgid(),
 		.group_info = current->group_info,
 	};
 	struct rpc_cred *ret;
diff --git a/security/commoncap.c b/security/commoncap.c
index 5bc1895..bbe188e 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -336,8 +336,8 @@ void cap_bprm_apply_creds (struct linux_binprm *bprm, int unsafe)
 		}
 	}
 
-	current->suid = current->euid = current->fsuid = bprm->e_uid;
-	current->sgid = current->egid = current->fsgid = bprm->e_gid;
+	current->suid = current->euid = current_fsuid() = bprm->e_uid;
+	current->sgid = current->egid = current_fsgid() = bprm->e_gid;
 
 	/* For init, we want to retain the capabilities set
 	 * in the init_task struct. Thus we skip the usual
@@ -466,11 +466,11 @@ int cap_task_post_setuid (uid_t old_ruid, uid_t old_euid, uid_t old_suid,
 			 */
 
 			if (!issecure (SECURE_NO_SETUID_FIXUP)) {
-				if (old_fsuid == 0 && current->fsuid != 0) {
+				if (old_fsuid == 0 && current_fsuid() != 0) {
 					cap_t (current->cap_effective) &=
 					    ~CAP_FS_MASK;
 				}
-				if (old_fsuid != 0 && current->fsuid == 0) {
+				if (old_fsuid != 0 && current_fsuid() == 0) {
 					cap_t (current->cap_effective) |=
 					    (cap_t (current->cap_permitted) &
 					     CAP_FS_MASK);
diff --git a/security/keys/key.c b/security/keys/key.c
index fdd5ca6..48fabb1 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -817,7 +817,7 @@ key_ref_t key_create_or_update(key_ref_t keyring_ref,
 		perm |= KEY_USR_WRITE;
 
 	/* allocate a new key */
-	key = key_alloc(ktype, description, current->fsuid, current->fsgid,
+	key = key_alloc(ktype, description, current_fsuid(), current->fsgid,
 			current, perm, flags);
 	if (IS_ERR(key)) {
 		key_ref = ERR_PTR(PTR_ERR(key));
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index 56e963b..b3a63dd 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -810,7 +810,7 @@ long keyctl_setperm_key(key_serial_t id, key_perm_t perm)
 	down_write(&key->sem);
 
 	/* if we're not the sysadmin, we can only change a key that we own */
-	if (capable(CAP_SYS_ADMIN) || key->uid == current->fsuid) {
+	if (capable(CAP_SYS_ADMIN) || key->uid == current_fsuid()) {
 		key->perm = perm;
 		ret = 0;
 	}
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index aee4897..6d25911 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -76,7 +76,7 @@ static int call_sbin_request_key(struct key_construction *cons,
 	/* allocate a new session keyring */
 	sprintf(desc, "_req.%u", key->serial);
 
-	keyring = keyring_alloc(desc, current->fsuid, current->fsgid, current,
+	keyring = keyring_alloc(desc, current_fsuid(), current->fsgid, current,
 				KEY_ALLOC_QUOTA_OVERRUN, NULL);
 	if (IS_ERR(keyring)) {
 		ret = PTR_ERR(keyring);
@@ -89,8 +89,8 @@ static int call_sbin_request_key(struct key_construction *cons,
 		goto error_link;
 
 	/* record the UID and GID */
-	sprintf(uid_str, "%d", current->fsuid);
-	sprintf(gid_str, "%d", current->fsgid);
+	sprintf(uid_str, "%d", current_fsuid());
+	sprintf(gid_str, "%d", current_fsgid());
 
 	/* we say which key is under construction */
 	sprintf(key_str, "%d", key->serial);
@@ -278,7 +278,7 @@ static int construct_alloc_key(struct key_type *type,
 	mutex_lock(&user->cons_lock);
 
 	key = key_alloc(type, description,
-			current->fsuid, current->fsgid, current, KEY_POS_ALL,
+			current_fsuid(), current->fsgid, current, KEY_POS_ALL,
 			flags);
 	if (IS_ERR(key))
 		goto alloc_failed;
@@ -341,7 +341,7 @@ static struct key *construct_key_and_link(struct key_type *type,
 	struct key *key;
 	int ret;
 
-	user = key_user_lookup(current->fsuid);
+	user = key_user_lookup(current_fsuid());
 	if (!user)
 		return ERR_PTR(-ENOMEM);
 
diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c
index 6827ae3..cce6b4d 100644
--- a/security/keys/request_key_auth.c
+++ b/security/keys/request_key_auth.c
@@ -194,7 +194,7 @@ struct key *request_key_auth_new(struct key *target, const void *callout_info,
 	sprintf(desc, "%x", target->serial);
 
 	authkey = key_alloc(&key_type_request_key_auth, desc,
-			    current->fsuid, current->fsgid, current,
+			    current_fsuid(), current->fsgid, current,
 			    KEY_POS_VIEW | KEY_POS_READ | KEY_POS_SEARCH |
 			    KEY_USR_VIEW, KEY_ALLOC_NOT_IN_QUOTA);
 	if (IS_ERR(authkey)) {

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists