Fix a memory leak in anon_vma_fork(), where we fail to tear down the
anon_vmas attached to the new VMA in case setting up the new anon_vma
fails.
Reported-by: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Rik van Riel <riel@redhat.com>
diff --git a/mm/rmap.c b/mm/rmap.c
index fcd593c..fb7ce99 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -231,6 +231,7 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
out_error_free_anon_vma:
anon_vma_free(anon_vma);
+ unlink_anon_vmas(vma);
out_error:
return -ENOMEM;
}
--
