From: Tony Jones Subject: Pass struct vfsmount to the inode_listxattr LSM hook This is needed for computing pathnames in the AppArmor LSM. Signed-off-by: Tony Jones Signed-off-by: Andreas Gruenbacher Signed-off-by: John Johansen --- fs/xattr.c | 2 +- include/linux/security.h | 9 +++++---- security/capability.c | 2 +- security/security.c | 4 ++-- security/selinux/hooks.c | 2 +- 5 files changed, 10 insertions(+), 9 deletions(-) --- a/fs/xattr.c +++ b/fs/xattr.c @@ -174,7 +174,7 @@ vfs_listxattr(struct dentry *dentry, str struct inode *inode = dentry->d_inode; ssize_t error; - error = security_inode_listxattr(dentry); + error = security_inode_listxattr(dentry, mnt); if (error) return error; error = -EOPNOTSUPP; --- a/include/linux/security.h +++ b/include/linux/security.h @@ -450,7 +450,7 @@ static inline void security_free_mnt_opt * Return 0 if permission is granted. * @inode_listxattr: * Check permission before obtaining the list of extended attribute - * names for @dentry. + * names for @dentry and @mnt. * Return 0 if permission is granted. * @inode_removexattr: * Check permission before removing the extended attribute @@ -1402,7 +1402,7 @@ struct security_operations { size_t size, int flags); int (*inode_getxattr) (struct dentry *dentry, struct vfsmount *mnt, const char *name); - int (*inode_listxattr) (struct dentry *dentry); + int (*inode_listxattr) (struct dentry *dentry, struct vfsmount *mnt); int (*inode_removexattr) (struct dentry *dentry, const char *name); int (*inode_need_killpriv) (struct dentry *dentry); int (*inode_killpriv) (struct dentry *dentry); @@ -1679,7 +1679,7 @@ void security_inode_post_setxattr(struct size_t size, int flags); int security_inode_getxattr(struct dentry *dentry, struct vfsmount *mnt, const char *name); -int security_inode_listxattr(struct dentry *dentry); +int security_inode_listxattr(struct dentry *dentry, struct vfsmount *mnt); int security_inode_removexattr(struct dentry *dentry, const char *name); int security_inode_need_killpriv(struct dentry *dentry); int security_inode_killpriv(struct dentry *dentry); @@ -2121,7 +2121,8 @@ static inline int security_inode_getxatt return 0; } -static inline int security_inode_listxattr(struct dentry *dentry) +static inline int security_inode_listxattr(struct dentry *dentry, + struct vfsmount *mnt) { return 0; } --- a/security/capability.c +++ b/security/capability.c @@ -247,7 +247,7 @@ static int cap_inode_getxattr(struct den return 0; } -static int cap_inode_listxattr(struct dentry *dentry) +static int cap_inode_listxattr(struct dentry *dentry, struct vfsmount *mnt) { return 0; } --- a/security/security.c +++ b/security/security.c @@ -499,11 +499,11 @@ int security_inode_getxattr(struct dentr return security_ops->inode_getxattr(dentry, mnt, name); } -int security_inode_listxattr(struct dentry *dentry) +int security_inode_listxattr(struct dentry *dentry, struct vfsmount *mnt) { if (unlikely(IS_PRIVATE(dentry->d_inode))) return 0; - return security_ops->inode_listxattr(dentry); + return security_ops->inode_listxattr(dentry, mnt); } int security_inode_removexattr(struct dentry *dentry, const char *name) --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2802,7 +2802,7 @@ static int selinux_inode_getxattr(struct return dentry_has_perm(current, NULL, dentry, FILE__GETATTR); } -static int selinux_inode_listxattr(struct dentry *dentry) +static int selinux_inode_listxattr(struct dentry *dentry, struct vfsmount *mnt) { return dentry_has_perm(current, NULL, dentry, FILE__GETATTR); }