1 files changed, 7 insertions, 2 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 9bd91447e052..202a0ba63d3c 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1127,6 +1127,10 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 #ifdef CONFIG_DEBUG_MUTEXES
         p->blocked_on = NULL; /* not blocked yet */
 #endif
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+        p->memcg_batch.do_batch = 0;
+        p->memcg_batch.memcg = NULL;
+#endif
 
         p->bts = NULL;
 
@@ -1206,9 +1210,10 @@ static struct task_struct *copy_process(unsigned long clone_flags,
                 p->sas_ss_sp = p->sas_ss_size = 0;
 
         /*
-         * Syscall tracing should be turned off in the child regardless
-         * of CLONE_PTRACE.
+         * Syscall tracing and stepping should be turned off in the
+         * child regardless of CLONE_PTRACE.
          */
+        user_disable_single_step(p);
         clear_tsk_thread_flag(p, TIF_SYSCALL_TRACE);
 #ifdef TIF_SYSCALL_EMU
         clear_tsk_thread_flag(p, TIF_SYSCALL_EMU);