diff options
| -rw-r--r-- | security/selinux/hooks.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index d85b793c9321..f7d7e779c7f3 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2708,6 +2708,7 @@ static int selinux_inode_setattr(struct dentry *dentry, struct iattr *iattr) { const struct cred *cred = current_cred(); unsigned int ia_valid = iattr->ia_valid; + __u32 av = FILE__WRITE; /* ATTR_FORCE is just used for ATTR_KILL_S[UG]ID. */ if (ia_valid & ATTR_FORCE) { @@ -2721,7 +2722,10 @@ static int selinux_inode_setattr(struct dentry *dentry, struct iattr *iattr) ATTR_ATIME_SET | ATTR_MTIME_SET | ATTR_TIMES_SET)) return dentry_has_perm(cred, dentry, FILE__SETATTR); - return dentry_has_perm(cred, dentry, FILE__WRITE); + if (ia_valid & ATTR_SIZE) + av |= FILE__OPEN; + + return dentry_has_perm(cred, dentry, av); } static int selinux_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) |