gh-146102: Catch PyErr_NewException() failure in zlib

vstinner · vstinner · commit 015f25374ccc · 2026-06-11T16:01:14.000+02:00
diff --git a/Modules/zlibmodule.c b/Modules/zlibmodule.c
@@ -2209,6 +2209,9 @@ zlib_exec(PyObject *mod)
     }
 
     state->ZlibError = PyErr_NewException("zlib.error", NULL, NULL);
+    if (state->ZlibError == NULL) {
+        return -1;
+    }
     if (PyModule_AddObjectRef(mod, "error", state->ZlibError) < 0) {
         return -1;
     }

Original file line number	Diff line number	Diff line change
`@@ -2209,6 +2209,9 @@ zlib_exec(PyObject *mod)`
`2209`	`2209`	`}`
`2210`	`2210`
`2211`	`2211`	`state->ZlibError = PyErr_NewException("zlib.error", NULL, NULL);`
	`2212`	`+ if (state->ZlibError == NULL) {`
	`2213`	`+ return -1;`
	`2214`	`+ }`
`2212`	`2215`	`if (PyModule_AddObjectRef(mod, "error", state->ZlibError) < 0) {`
`2213`	`2216`	`return -1;`
`2214`	`2217`	`}`