1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index bed2161620d7..9db9cdf8ff34 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1082,6 +1082,9 @@ void uprobe_munmap(struct vm_area_struct *vma, unsigned long start, unsigned lon
         if (!atomic_read(&uprobe_events) || !valid_vma(vma, false))
                 return;
 
+        if (!atomic_read(&vma->vm_mm->mm_users)) /* called by mmput() ? */
+                return;
+
         if (!atomic_read(&vma->vm_mm->uprobes_state.count))
                 return;