1 files changed, 4 insertions, 2 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index afb18a9ebba1..2a8a0a915ff3 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2333,13 +2333,15 @@ static void selinux_bprm_committing_creds(struct linux_binprm *bprm)
         rc = avc_has_perm(new_tsec->osid, new_tsec->sid, SECCLASS_PROCESS,
                           PROCESS__RLIMITINH, NULL);
         if (rc) {
+                /* protect against do_prlimit() */
+                task_lock(current);
                 for (i = 0; i < RLIM_NLIMITS; i++) {
                         rlim = current->signal->rlim + i;
                         initrlim = init_task.signal->rlim + i;
                         rlim->rlim_cur = min(rlim->rlim_max, initrlim->rlim_cur);
                 }
-                update_rlimit_cpu(current,
-                                current->signal->rlim[RLIMIT_CPU].rlim_cur);
+                task_unlock(current);
+                update_rlimit_cpu(current, rlimit(RLIMIT_CPU));
         }
 }