page_cache: dup memory on insert

The page cache frees all data on finish, on resize and
if there is collision on insert. So it should be the caches
responsibility to dup the data that is stored in the cache.

Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Orit Wasserman <owasserm@redhat.com>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Juan Quintela <quintela@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/page_cache.c b/page_cache.c
index 809dadc7eb..938a79c9ea 100644
--- a/page_cache.c
+++ b/page_cache.c
@@ -159,7 +159,7 @@ void cache_insert(PageCache *cache, uint64_t addr, uint8_t *pdata)
         cache->num_items++;
     }
 
-    it->it_data = pdata;
+    it->it_data = g_memdup(pdata, cache->page_size);
     it->it_age = ++cache->max_item_age;
     it->it_addr = addr;
 }