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-rw-r--r--kernel/fork.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 5fc09911fbb9..dab73d18bc4d 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -787,6 +787,13 @@ static void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
#endif
}
+static void mm_init_uprobes_state(struct mm_struct *mm)
+{
+#ifdef CONFIG_UPROBES
+ mm->uprobes_state.xol_area = NULL;
+#endif
+}
+
static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p,
struct user_namespace *user_ns)
{
@@ -808,11 +815,13 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p,
mm_init_cpumask(mm);
mm_init_aio(mm);
mm_init_owner(mm, p);
+ RCU_INIT_POINTER(mm->exe_file, NULL);
mmu_notifier_mm_init(mm);
init_tlb_flush_pending(mm);
#if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS
mm->pmd_huge_pte = NULL;
#endif
+ mm_init_uprobes_state(mm);
if (current->mm) {
mm->flags = current->mm->flags & MMF_INIT_MASK;