Merge pull request #1381 from jgarzik/check-deser

Prevent crashes due to missing or corrupted database records

1 files changed, 7 insertions, 2 deletions

diff --git a/src/db.h b/src/db.h
index b8fc4db512..a67193b680 100644
--- a/src/db.h
+++ b/src/db.h
@@ -72,8 +72,13 @@ protected:
             return false;
 
         // Unserialize value
-        CDataStream ssValue((char*)datValue.get_data(), (char*)datValue.get_data() + datValue.get_size(), SER_DISK, CLIENT_VERSION);
-        ssValue >> value;
+        try {
+            CDataStream ssValue((char*)datValue.get_data(), (char*)datValue.get_data() + datValue.get_size(), SER_DISK, CLIENT_VERSION);
+            ssValue >> value;
+        }
+        catch (std::exception &e) {
+            return false;
+        }
 
         // Clear and free memory
         memset(datValue.get_data(), 0, datValue.get_size());