1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/kcmp.c b/kernel/kcmp.c
index 0aa69ea1d8fd..3a47fa998fe0 100644
--- a/kernel/kcmp.c
+++ b/kernel/kcmp.c
@@ -122,8 +122,8 @@ SYSCALL_DEFINE5(kcmp, pid_t, pid1, pid_t, pid2, int, type,
                         &task2->signal->cred_guard_mutex);
         if (ret)
                 goto err;
-        if (!ptrace_may_access(task1, PTRACE_MODE_READ) ||
-            !ptrace_may_access(task2, PTRACE_MODE_READ)) {
+        if (!ptrace_may_access(task1, PTRACE_MODE_READ_REALCREDS) ||
+            !ptrace_may_access(task2, PTRACE_MODE_READ_REALCREDS)) {
                 ret = -EPERM;
                 goto err_unlock;
         }