mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-23 02:04:56 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 11

GH-130396: Use computed stack limits on linux (GH-130398)

Browse source 
* Implement C recursion protection with limit pointers for Linux, MacOS and Windows

* Remove calls to PyOS_CheckStack

* Add stack protection to parser

* Make tests more robust to low stacks

* Improve error messages for stack overflow
This commit is contained in:
Mark Shannon 2025-02-25 09:24:48 +00:00 • committed by GitHub
parent 99088ab081
commit 014223649c
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
58 changed files with 1295 additions and 1482 deletions
Download patch file Download diff file Expand all files Collapse all files

11
Python/pystate.c
View file

@ -1490,10 +1490,9 @@ init_threadstate(_PyThreadStateImpl *_tstate,
// thread_id and native_thread_id are set in bind_tstate().
tstate->py_recursion_limit = interp->ceval.recursion_limit,
tstate->py_recursion_remaining = interp->ceval.recursion_limit,
tstate->c_recursion_remaining = Py_C_RECURSION_LIMIT;
tstate->py_recursion_limit = interp->ceval.recursion_limit;
tstate->py_recursion_remaining = interp->ceval.recursion_limit;
tstate->c_recursion_remaining = 2;
tstate->exc_info = &tstate->exc_state;
// PyGILState_Release must not try to delete this thread state.
@ -1508,6 +1507,10 @@ init_threadstate(_PyThreadStateImpl *_tstate,
tstate->previous_executor = NULL;
tstate->dict_global_version = 0;
_tstate->c_stack_soft_limit = UINTPTR_MAX;
_tstate->c_stack_top = 0;
_tstate->c_stack_hard_limit = 0;
_tstate->asyncio_running_loop = NULL;
_tstate->asyncio_running_task = NULL;