another check

Author: jumpsiegel

src/flamenco/runtime/tests/harness/fd_block_harness.c

@@ -172,6 +172,9 @@ fd_runtime_fuzz_block_update_prev_epoch_votes_cache( fd_vote_accounts_pair_globa
     fd_memcpy( &vote_node->elem.value.owner, vote_account->owner, sizeof(fd_pubkey_t) );
 
     uchar * data = fd_spad_alloc( spad, alignof(uchar), vote_account->data->size );
+    if( FD_UNLIKELY( NULL == data ) ) {
+      FD_LOG_ERR(( "fd_spad_alloc failed" ));
+    }
     memcpy( data, vote_account->data->bytes, vote_account->data->size );
     fd_solana_account_data_update( &vote_node->elem.value, data );