Check for basic blocks not NULL

diff --git a/lib/isc/mem.c b/lib/isc/mem.c
index 145a02ee9e67775fefb03ed20d7e4b9b238cc122..8d4c6885fb83f8f736305dddccab5709d770a74b 100644 (file)
--- a/lib/isc/mem.c
+++ b/lib/isc/mem.c
@@ -609,6 +609,9 @@ more_frags(isc__mem_t *ctx, size_t new_size) {
                        return (false);
                }
        }
+       if (ctx->basic_blocks == NULL) {
+               return false;
+       }
 
        total_size = ctx->mem_target;
        tmp = ctx->basic_blocks;