diff --git a/fs/exec.c b/fs/exec.c
index b8792a13153377f83bc465a320eb35d6d0bd2c33..0ba5d355c5a1db7214df4b6895a7c7fcbac9ab30 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -118,7 +118,7 @@ asmlinkage long sys_uselib(const char __user * library)
if (!S_ISREG(nd.path.dentry->d_inode->i_mode))
goto exit;
- error = vfs_permission(&nd, MAY_READ | MAY_EXEC);
+ error = vfs_permission(&nd, MAY_READ | MAY_EXEC | MAY_OPEN);
if (error)
goto exit;
@@ -666,7 +666,7 @@ struct file *open_exec(const char *name)
struct inode *inode = nd.path.dentry->d_inode;
file = ERR_PTR(-EACCES);
if (S_ISREG(inode->i_mode)) {
- int err = vfs_permission(&nd, MAY_EXEC);
+ int err = vfs_permission(&nd, MAY_EXEC | MAY_OPEN);
file = ERR_PTR(err);
if (!err) {
file = nameidata_to_filp(&nd,
diff --git a/fs/namei.c b/fs/namei.c
index 33dcaf025c4951ae3b51b1f26cbc8c36541d17c7..6b0e8e5e079ec409fe268ab726448fc44185a6a8 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -263,12 +263,7 @@ int permission(struct inode *inode, int mask, struct nameidata *nd)
/* Ordinary permission routines do not understand MAY_APPEND. */
if (inode->i_op && inode->i_op->permission) {
- int extra = 0;
- if (nd) {
- if (nd->flags & LOOKUP_OPEN)
- extra |= MAY_OPEN;
- }
- retval = inode->i_op->permission(inode, mask | extra);
+ retval = inode->i_op->permission(inode, mask);
if (!retval) {
/*
* Exec permission on a regular file is denied if none
@@ -292,7 +287,7 @@ int permission(struct inode *inode, int mask, struct nameidata *nd)
return retval;
return security_inode_permission(inode,
- mask & (MAY_READ|MAY_WRITE|MAY_EXEC), nd);
+ mask & (MAY_READ|MAY_WRITE|MAY_EXEC));
}
/**
@@ -492,7 +487,7 @@ static int exec_permission_lite(struct inode *inode,
return -EACCES;
ok:
- return security_inode_permission(inode, MAY_EXEC, nd);
+ return security_inode_permission(inode, MAY_EXEC);
}
/*
@@ -1692,7 +1687,7 @@ struct file *do_filp_open(int dfd, const char *pathname,
int will_write;
int flag = open_to_namei_flags(open_flag);
- acc_mode = ACC_MODE(flag);
+ acc_mode = MAY_OPEN | ACC_MODE(flag);
/* O_TRUNC implies we need access checks for write permissions */
if (flag & O_TRUNC)
diff --git a/include/linux/security.h b/include/linux/security.h
index f0e9adb22ac212542075116cce0e60f9cf215eb3..fd96e7f8a6f9c9ecad138a0eaae84c5f6c82dc64 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1362,7 +1362,7 @@ struct security_operations {
struct inode *new_dir, struct dentry *new_dentry);
int (*inode_readlink) (struct dentry *dentry);
int (*inode_follow_link) (struct dentry *dentry, struct nameidata *nd);
- int (*inode_permission) (struct inode *inode, int mask, struct nameidata *nd);
+ int (*inode_permission) (struct inode *inode, int mask);
int (*inode_setattr) (struct dentry *dentry, struct iattr *attr);
int (*inode_getattr) (struct vfsmount *mnt, struct dentry *dentry);
void (*inode_delete) (struct inode *inode);
@@ -1628,7 +1628,7 @@ int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry);
int security_inode_readlink(struct dentry *dentry);
int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd);
-int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd);
+int security_inode_permission(struct inode *inode, int mask);
int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry);
void security_inode_delete(struct inode *inode);
@@ -2021,8 +2021,7 @@ static inline int security_inode_follow_link(struct dentry *dentry,
return 0;
}
-static inline int security_inode_permission(struct inode *inode, int mask,
- struct nameidata *nd)
+static inline int security_inode_permission(struct inode *inode, int mask)
{
return 0;
}
diff --git a/security/capability.c b/security/capability.c
index 5b01c0b02422b28a1809ba7be383e1b93e76159f..63d10da515a5b01e9cf36a2f7b2a49e82b10d199 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -211,8 +211,7 @@ static int cap_inode_follow_link(struct dentry *dentry,
return 0;
}
-static int cap_inode_permission(struct inode *inode, int mask,
- struct nameidata *nd)
+static int cap_inode_permission(struct inode *inode, int mask)
{
return 0;
}
diff --git a/security/security.c b/security/security.c
index 59f23b5918b38c01028263798cebd1ca304b171d..78ed3ffde242fab326f22011c04e806b91348f9c 100644
--- a/security/security.c
+++ b/security/security.c
@@ -429,11 +429,11 @@ int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
return security_ops->inode_follow_link(dentry, nd);
}
-int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
+int security_inode_permission(struct inode *inode, int mask)
{
if (unlikely(IS_PRIVATE(inode)))
return 0;
- return security_ops->inode_permission(inode, mask, nd);
+ return security_ops->inode_permission(inode, mask);
}
int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 3481cde5bf15f018fac6d83cd100968d6b701c5b..5ba13908b5b4fd09e8b9470fffd0af8daf5a4553 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2624,12 +2624,11 @@ static int selinux_inode_follow_link(struct dentry *dentry, struct nameidata *na
return dentry_has_perm(current, NULL, dentry, FILE__READ);
}
-static int selinux_inode_permission(struct inode *inode, int mask,
- struct nameidata *nd)
+static int selinux_inode_permission(struct inode *inode, int mask)
{
int rc;
- rc = secondary_ops->inode_permission(inode, mask, nd);
+ rc = secondary_ops->inode_permission(inode, mask);
if (rc)
return rc;
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index ee5a51cbc5ebdd537997978760093f11994a59cc..1b40e558f98329a718a76c7a4b4458380a63057e 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -522,8 +522,7 @@ static int smack_inode_rename(struct inode *old_inode,
*
* Returns 0 if access is permitted, -EACCES otherwise
*/
-static int smack_inode_permission(struct inode *inode, int mask,
- struct nameidata *nd)
+static int smack_inode_permission(struct inode *inode, int mask)
{
/*
* No permission to check. Existence test. Yup, it's there.