Don't read from invalid file pointer (e.g. when

/proc/self/status could not be opened)

1 files changed, 6 insertions, 4 deletions

diff --git a/eval/src/apps/analyze_onnx_model/analyze_onnx_model.cpp b/eval/src/apps/analyze_onnx_model/analyze_onnx_model.cpp
index 03db333d582..31cb1d6b385 100644
--- a/eval/src/apps/analyze_onnx_model/analyze_onnx_model.cpp
+++ b/eval/src/apps/analyze_onnx_model/analyze_onnx_model.cpp
@@ -78,10 +78,12 @@ MemoryUsage extract_memory_usage() {
     vespalib::string vm_size = UNKNOWN;
     vespalib::string vm_rss = UNKNOWN;
     FilePointer file(fopen("/proc/self/status", "r"));
-    vespalib::string line;
-    while (read_line(file, line)) {
-        extract(line, "VmSize:", vm_size);
-        extract(line, "VmRSS:", vm_rss);
+    if (file.valid()) {
+        vespalib::string line;
+        while (read_line(file, line)) {
+            extract(line, "VmSize:", vm_size);
+            extract(line, "VmRSS:", vm_rss);
+        }
     }
     return {convert(vm_size), convert(vm_rss)};
 }