diff options
Diffstat (limited to 'security/selinux/hooks.c')
| -rw-r--r-- | security/selinux/hooks.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index cc6e5a3f10cc..f20cbd681ba6 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2150,9 +2150,9 @@ extern struct vfsmount *selinuxfs_mount; extern struct dentry *selinux_null; /* Derived from fs/exec.c:flush_old_files. */ -static inline void flush_unauthorized_files(struct files_struct *files) +static inline void flush_unauthorized_files(const struct cred *cred, + struct files_struct *files) { - const struct cred *cred = current_cred(); struct avc_audit_data ad; struct file *file, *devnull = NULL; struct tty_struct *tty; @@ -2222,7 +2222,10 @@ static inline void flush_unauthorized_files(struct files_struct *files) if (devnull) { get_file(devnull); } else { - devnull = dentry_open(dget(selinux_null), mntget(selinuxfs_mount), O_RDWR); + devnull = dentry_open( + dget(selinux_null), + mntget(selinuxfs_mount), + O_RDWR, cred); if (IS_ERR(devnull)) { devnull = NULL; put_unused_fd(fd); @@ -2302,6 +2305,7 @@ static void selinux_bprm_apply_creds(struct linux_binprm *bprm, int unsafe) */ static void selinux_bprm_post_apply_creds(struct linux_binprm *bprm) { + const struct cred *cred = current_cred(); struct task_security_struct *tsec; struct rlimit *rlim, *initrlim; struct itimerval itimer; @@ -2321,7 +2325,7 @@ static void selinux_bprm_post_apply_creds(struct linux_binprm *bprm) return; /* Close files for which the new task SID is not authorized. */ - flush_unauthorized_files(current->files); + flush_unauthorized_files(cred, current->files); /* Check whether the new SID can inherit signal state from the old SID. If not, clear itimers to avoid @@ -3202,9 +3206,8 @@ static int selinux_file_receive(struct file *file) return file_has_perm(cred, file, file_to_av(file)); } -static int selinux_dentry_open(struct file *file) +static int selinux_dentry_open(struct file *file, const struct cred *cred) { - const struct cred *cred = current_cred(); struct file_security_struct *fsec; struct inode *inode; struct inode_security_struct *isec; |