Issue #16228: Fix a crash in the json module where a list changes size while it is being encoded.

Patch by Serhiy Storchaka.

1 files changed, 13 insertions, 7 deletions

diff --git a/Python/dynload_hpux.c b/Python/dynload_hpux.c
index 18a81377f2..c9554148cc 100644
--- a/Python/dynload_hpux.c
+++ b/Python/dynload_hpux.c
@@ -13,13 +13,9 @@
 #define FUNCNAME_PATTERN "PyInit_%.200s"
 #endif
 
-const struct filedescr _PyImport_DynLoadFiletab[] = {
-    {SHLIB_EXT, "rb", C_EXTENSION},
-    {"module"SHLIB_EXT, "rb", C_EXTENSION},
-    {0, 0}
-};
+const char *_PyImport_DynLoadFiletab[] = {SHLIB_EXT, NULL};
 
-dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
+dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname,
                                     const char *pathname, FILE *fp)
 {
     dl_funcptr p;
@@ -37,11 +33,21 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
     /* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */
     if (lib == NULL) {
         char buf[256];
+        PyObject *pathname_ob = NULL;
+        PyObject *buf_ob = NULL;
+        PyObject *shortname_ob = NULL;
+
         if (Py_VerboseFlag)
             perror(pathname);
         PyOS_snprintf(buf, sizeof(buf), "Failed to load %.200s",
                       pathname);
-        PyErr_SetString(PyExc_ImportError, buf);
+        buf_ob = PyUnicode_FromString(buf);
+        shortname_ob = PyUnicode_FromString(shortname);
+        pathname_ob = PyUnicode_FromString(pathname);
+        PyErr_SetImportError(buf_ob, shortname_ob, pathname_ob);
+        Py_DECREF(buf_ob);
+        Py_DECREF(shortname_ob);
+        Py_DECREF(pathname_ob);
         return NULL;
     }
     PyOS_snprintf(funcname, sizeof(funcname), FUNCNAME_PATTERN, shortname);