Fix segmentation fault during util_abort

Fall back to printing things to stderr if `fopen` fails.
equinor · Nov 15, 2021 · 1c0af7f · 1c0af7f
1 parent 2e7cb07
commit 1c0af7f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/util/util_abort.cpp b/lib/util/util_abort.cpp
@@ -90,14 +90,16 @@ extern "C" void util_abort__(const char *file, const char *function, int line,
         longjmp(test_jmp_buf, 0);
     }
 
-    FILE *abort_dump = stderr;
+    FILE *abort_dump = nullptr;
 #ifndef WIN32
     std::string abort_dump_path;
     if (!getenv("ERT_SHOW_BACKTRACE")) {
         abort_dump_path = make_dump_path();
         abort_dump = fopen(abort_dump_path.c_str(), "w");
     }
 #endif
+    if (abort_dump == nullptr)
+        abort_dump = stderr;
 
     print(abort_dump,
           "\n\nAbort called from: {} ({}:{})\n\nError message: {}\n\n",