1 files changed, 5 insertions, 0 deletions
diff --git a/src/monitor.cc b/src/monitor.cc
index cffe3d5..b2157f7 100644
--- a/src/monitor.cc
+++ b/src/monitor.cc
@@ -164,6 +164,11 @@ private:
       size_t offset = 0;
       while (offset + 5 < package_fill_) {
         uint16_t size = read_u16(package_ + offset + 3);
+        if (size == 0) {
+          assert(false);
+          offset += 5;
+          break;
+        }
         if (offset + size > package_fill_) break;
         size_t o = 5;
         if (size >= 3 && memcmp(package_ + offset, "PKG", 3) == 0) {