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-rw-r--r--kernel/vm/vmmap.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/vm/vmmap.c b/kernel/vm/vmmap.c
index e301ac0..4d671d2 100644
--- a/kernel/vm/vmmap.c
+++ b/kernel/vm/vmmap.c
@@ -329,8 +329,10 @@ vmmap_t *vmmap_clone(vmmap_t *map)
// If the vmarea is share-mapped
if (vma->vma_flags & MAP_SHARED)
{
+ mobj_lock(vma->vma_obj);
new_vmarea->vma_obj = vma->vma_obj;
mobj_ref(new_vmarea->vma_obj);
+ mobj_unlock(vma->vma_obj);
}
// If the vmarea is not share-mapped