From b946f529efb4a623ac4ad968d8091edb81ebdcdb Mon Sep 17 00:00:00 2001 From: Honglin Zhu Date: Thu, 28 Jul 2022 18:00:34 +0800 Subject: gh-95355: Check tokens[0] after allocating memory (GH-95356) #95355 Automerge-Triggered-By: GH:pablogsal --- .../Core and Builtins/2022-07-28-08-33-31.gh-issue-95355.yN4XVk.rst | 1 + Parser/pegen.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) create mode 100644 Misc/NEWS.d/next/Core and Builtins/2022-07-28-08-33-31.gh-issue-95355.yN4XVk.rst diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-07-28-08-33-31.gh-issue-95355.yN4XVk.rst b/Misc/NEWS.d/next/Core and Builtins/2022-07-28-08-33-31.gh-issue-95355.yN4XVk.rst new file mode 100644 index 0000000..6a28999 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2022-07-28-08-33-31.gh-issue-95355.yN4XVk.rst @@ -0,0 +1 @@ +``_PyPegen_Parser_New`` now properly detects token memory allocation errors. Patch by Honglin Zhu. diff --git a/Parser/pegen.c b/Parser/pegen.c index dbf105a..31e3ec0 100644 --- a/Parser/pegen.c +++ b/Parser/pegen.c @@ -738,7 +738,7 @@ _PyPegen_Parser_New(struct tok_state *tok, int start_rule, int flags, return (Parser *) PyErr_NoMemory(); } p->tokens[0] = PyMem_Calloc(1, sizeof(Token)); - if (!p->tokens) { + if (!p->tokens[0]) { PyMem_Free(p->tokens); PyMem_Free(p); return (Parser *) PyErr_NoMemory(); -- cgit v0.12