diff --git a/mm/mmap.c b/mm/mmap.c
index c66e4622a55766d459278fd457bac65d4ad757b6..84c71431a5273830e40704dbc1a91ac79e21dda3 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2812,6 +2812,8 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
 	if (vma->vm_file)
 		i_mmap_lock_write(vma->vm_file->f_mapping);
 
+	/* Lock the VMA since it is modified after insertion into VMA tree */
+	vma_start_write(vma);
 	vma_iter_store(&vmi, vma);
 	mm->map_count++;
 	if (vma->vm_file) {