partial bitcoin#23365: Fix backwards search for bestblock

kwvg · Feb 26, 2022 · 27bcd1b · 27bcd1b
1 parent 089800d
commit 27bcd1b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/index/base.cpp b/src/index/base.cpp
@@ -88,11 +88,12 @@ bool BaseIndex::Init()
             const CBlockIndex* block = ::ChainActive().Tip();
             prune_violation = true;
             // check backwards from the tip if we have all block data until we reach the indexes bestblock
-            while (block_to_test && block->pprev && (block->pprev->nStatus & BLOCK_HAVE_DATA)) {
+            while (block_to_test && block && (block->nStatus & BLOCK_HAVE_DATA)) {
                 if (block_to_test == block) {
                     prune_violation = false;
                     break;
                 }
+                assert(block->pprev);
                 block = block->pprev;
             }
         }