Content-Length: 2954 | pFad | http://github.com/python/cpython/pull/150275.patch

6A1267DF From a63c8723e7821fc7e7b198ac6f23d87e1f3b365a Mon Sep 17 00:00:00 2001 From: grantlouisherman Date: Fri, 22 May 2026 17:48:34 -0400 Subject: [PATCH 1/2] type-crash(): throw a no mem error when malloc fails in tokenizer Signed-off-by: grantlouisherman --- Parser/lexer/state.c | 5 ++++- Parser/tokenizer/helpers.c | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/Parser/lexer/state.c b/Parser/lexer/state.c index 3663dc3eb7f9f69..5cf9b4d768c3ebb 100644 --- a/Parser/lexer/state.c +++ b/Parser/lexer/state.c @@ -15,8 +15,11 @@ _PyTokenizer_tok_new(void) struct tok_state *tok = (struct tok_state *)PyMem_Calloc( 1, sizeof(struct tok_state)); - if (tok == NULL) + if (tok == NULL) { + PyErr_NoMemory(); return NULL; + } + tok->buf = tok->cur = tok->inp = NULL; tok->fp_interactive = 0; tok->interactive_src_start = NULL; diff --git a/Parser/tokenizer/helpers.c b/Parser/tokenizer/helpers.c index 9542969ad3127b9..c69e66d0ab9b7a8 100644 --- a/Parser/tokenizer/helpers.c +++ b/Parser/tokenizer/helpers.c @@ -193,6 +193,7 @@ _PyTokenizer_new_string(const char *s, Py_ssize_t len, struct tok_state *tok) char* result = (char *)PyMem_Malloc(len + 1); if (!result) { tok->done = E_NOMEM; + PyErr_NoMemory(); return NULL; } memcpy(result, s, len); @@ -221,6 +222,7 @@ _PyTokenizer_translate_newlines(const char *s, int exec_input, int preserve_crlf buf = PyMem_Malloc(needed_length); if (buf == NULL) { tok->done = E_NOMEM; + PyErr_NoMemory(); return NULL; } for (current = buf; *s; s++, current++) { From f046a3e93797df61bede44c100a2277586664d17 Mon Sep 17 00:00:00 2001 From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com> Date: Fri, 22 May 2026 21:52:40 +0000 Subject: [PATCH 2/2] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20blu?= =?UTF-8?q?rb=5Fit.?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../2026-05-22-21-52-38.gh-issue-150207.l2BUtI.rst | 1 + 1 file changed, 1 insertion(+) create mode 100644 Misc/NEWS.d/next/Core_and_Builtins/2026-05-22-21-52-38.gh-issue-150207.l2BUtI.rst diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-05-22-21-52-38.gh-issue-150207.l2BUtI.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-05-22-21-52-38.gh-issue-150207.l2BUtI.rst new file mode 100644 index 000000000000000..109a858db6b09bb --- /dev/null +++ b/Misc/NEWS.d/next/Core_and_Builtins/2026-05-22-21-52-38.gh-issue-150207.l2BUtI.rst @@ -0,0 +1 @@ +fails in the tokenizer's ``_PyTokenizer_translate_newlines`` helper, so the out-of-memory condition is propagated as a proper Python exception instead of only being recorded in ``tok->done``.

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