# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 2018-10-14 08:11:35
# Node ID 170cd2a5a1dac488fddc8258b95b12a86d97f3db
# Parent  4821affc154fb8d1ee22be422b9e8d7e269c596d

fuzz: try *even harder* to prevent Python from looking up usernames

Differential Revision: https://phab.mercurial-scm.org/D5092

diff --git a/contrib/fuzz/manifest.cc b/contrib/fuzz/manifest.cc
--- a/contrib/fuzz/manifest.cc
+++ b/contrib/fuzz/manifest.cc
@@ -31,6 +31,8 @@ extern "C" int LLVMFuzzerInitialize(int 
 	strncpy(cpypath, pypath.c_str(), pypath.size());
 	setenv("PYTHONPATH", cpypath, 1);
 	setenv("PYTHONNOUSERSITE", "1", 1);
+	/* prevent Python from looking up users in the fuzz environment */
+	setenv("PYTHONUSERBASE", cpypath, 1);
 	Py_SetPythonHome(cpypath);
 	Py_InitializeEx(0);
 	return 0;