mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 16:39:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

[3.12] GH-105840: Fix assertion failures when specializing calls with too many __defaults__ (GH-105863)

Browse source 
GH-105840: Fix assertion failures when specializing calls with too many __defaults__ (GH-105847)
(cherry picked from commit 2beab5bdef)

Co-authored-by: Brandt Bucher <brandtbucher@microsoft.com>
This commit is contained in:
Miss Islington (bot) 2023-06-16 11:29:55 -07:00 • committed by GitHub
parent 32c0aeb8a7
commit 560adb01f9
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 33 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Python/specialize.c
View file

@ -1666,9 +1666,9 @@ specialize_py_call(PyFunctionObject *func, _Py_CODEUNIT *instr, int nargs,
}
int argcount = code->co_argcount;
int defcount = func->func_defaults == NULL ? 0 : (int)PyTuple_GET_SIZE(func->func_defaults);
assert(defcount <= argcount);
int min_args = argcount-defcount;
if (nargs > argcount || nargs < min_args) {
// GH-105840: min_args is negative when somebody sets too many __defaults__!
if (min_args < 0 || nargs > argcount || nargs < min_args) {
SPECIALIZATION_FAIL(CALL, SPEC_FAIL_WRONG_NUMBER_ARGUMENTS);
return -1;
}