--- a/src/hotspot/os/linux/perfMemory_linux.cpp	Thu Jun 20 14:24:13 2019 -0700
+++ b/src/hotspot/os/linux/perfMemory_linux.cpp	Thu Jun 20 18:47:44 2019 -0700
@@ -661,7 +661,7 @@
   if (fp) {
     int pid, nspid;
     int ret;
-    while (!feof(fp)) {
+    while (!feof(fp) && !ferror(fp)) {
       ret = fscanf(fp, "NSpid: %d %d", &pid, &nspid);
       if (ret == 1) {
         break;