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* Python 3.11.2v3.11.2Pablo Galindo2023-02-071-2/+2
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* [3.11] gh-101037: Fix potential memory underallocation for zeros of int ↵Miss Islington (bot)2023-01-211-0/+3
| | | | | | | | | | | | | | subtypes (GH-101038) (#101219) gh-101037: Fix potential memory underallocation for zeros of int subtypes (GH-101038) This PR fixes object allocation in long_subtype_new to ensure that there's at least one digit in all cases, and makes sure that the value of that digit is copied over from the source long. Needs backport to 3.11, but not any further: the change to require at least one digit was only introduced for Python 3.11. Fixes GH-101037. (cherry picked from commit 401fdf9c851eb61229250ebffa942adca99b36d1) Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* [3.11] gh-99110: Initialize frame->previous in init_frame to fix ↵Bill Fisher2022-12-241-1/+4
| | | | | | | segmentation fault (GH-100182) (#100478) (cherry picked from commit 88d565f32a709140664444c6dea20ecd35a10e94) Co-authored-by: Bill Fisher <william.w.fisher@gmail.com>
* Post 3.11.1Pablo Galindo2022-12-061-1/+1
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* Python 3.11.1v3.11.1Pablo Galindo2022-12-061-2/+2
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* [3.11] Revert "[3.11] gh-98724: Fix Py_CLEAR() macro side effects (#99100)" ↵Victor Stinner2022-11-212-36/+27
| | | | | | | (#99573) Revert "gh-98724: Fix Py_CLEAR() macro side effects (#99100) (#99288)" This reverts commit 108289085719db8b227d65ce945e806f91be8f80.
* gh-98724: Fix Py_CLEAR() macro side effects (#99100) (#99288)Victor Stinner2022-11-092-27/+36
| | | | | | | | | The Py_CLEAR(), Py_SETREF() and Py_XSETREF() macros now only evaluate their argument once. If an argument has side effects, these side effects are no longer duplicated. Add test_py_clear() and test_py_setref() unit tests to _testcapi. (cherry picked from commit c03e05c2e72f3ea5e797389e7d1042eef85ad37a)
* [3.11] Fix v3.11.0 release merge problems (GH-98622)Pablo Galindo Salgado2022-10-241-1/+1
| | | | | When merging the v3.11.0 tag into 3.11, some files were incorrectly updated and some others were not properly deleted. Automerge-Triggered-By: GH:pablogsal
* Merge tag 'v3.11.0' into 3.11Pablo Galindo2022-10-241-2/+2
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| * Python 3.11.0v3.11.0Pablo Galindo2022-10-241-3/+3
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| * Post 3.11.0rc2Pablo Galindo2022-10-221-1/+1
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* | gh-96959: Update HTTP links which are redirected to HTTPS (GH-96961)Miss Islington (bot)2022-09-251-2/+2
| | | | | | | | | | (cherry picked from commit db39050396a104c73d0da473a2f00a62f9dfdfaa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* | Post 3.11.0rc2Pablo Galindo2022-09-121-1/+1
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* Python 3.11.0rc2v3.11.0rc2Pablo Galindo2022-09-111-2/+2
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* [3.11] GH-96569: Avoid undefined behavior (#96616)Mark Shannon2022-09-081-8/+16
| | | Co-authored-by: Michael Droettboom <mdboom@gmail.com>
* gh-95778: Correctly pre-check for int-to-str conversion (GH-96537)Miss Islington (bot)2022-09-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Converting a large enough `int` to a decimal string raises `ValueError` as expected. However, the raise comes _after_ the quadratic-time base-conversion algorithm has run to completion. For effective DOS prevention, we need some kind of check before entering the quadratic-time loop. Oops! =) The quick fix: essentially we catch _most_ values that exceed the threshold up front. Those that slip through will still be on the small side (read: sufficiently fast), and will get caught by the existing check so that the limit remains exact. The justification for the current check. The C code check is: ```c max_str_digits / (3 * PyLong_SHIFT) <= (size_a - 11) / 10 ``` In GitHub markdown math-speak, writing $M$ for `max_str_digits`, $L$ for `PyLong_SHIFT` and $s$ for `size_a`, that check is: $$\left\lfloor\frac{M}{3L}\right\rfloor \le \left\lfloor\frac{s - 11}{10}\right\rfloor$$ From this it follows that $$\frac{M}{3L} < \frac{s-1}{10}$$ hence that $$\frac{L(s-1)}{M} > \frac{10}{3} > \log_2(10).$$ So $$2^{L(s-1)} > 10^M.$$ But our input integer $a$ satisfies $|a| \ge 2^{L(s-1)}$, so $|a|$ is larger than $10^M$. This shows that we don't accidentally capture anything _below_ the intended limit in the check. <!-- gh-issue-number: gh-95778 --> * Issue: gh-95778 <!-- /gh-issue-number --> Co-authored-by: Gregory P. Smith [Google LLC] <greg@krypto.org> (cherry picked from commit b126196838bbaf5f4d35120e0e6bcde435b0b480) Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* [3.11] gh-95778: CVE-2020-10735: Prevent DoS by very large int() (#96500)Gregory P. Smith2022-09-023-0/+39
| | | | | | | | | | | | | | | | | | Integer to and from text conversions via CPython's bignum `int` type is not safe against denial of service attacks due to malicious input. Very large input strings with hundred thousands of digits can consume several CPU seconds. This PR comes fresh from a pile of work done in our private PSRT security response team repo. This backports https://github.com/python/cpython/pull/96499 aka 511ca9452033ef95bc7d7fc404b8161068226002 Signed-off-by: Christian Heimes [Red Hat] <christian@python.org> Tons-of-polishing-up-by: Gregory P. Smith [Google] <greg@krypto.org> Reviews via the private PSRT repo via many others (see the NEWS entry in the PR). <!-- gh-issue-number: gh-95778 --> * Issue: gh-95778 <!-- /gh-issue-number --> I wrote up [a one pager for the release managers](https://docs.google.com/document/d/1KjuF_aXlzPUxTK4BMgezGJ2Pn7uevfX7g0_mvgHlL7Y/edit#).
* gh-46845: clean up unused DK_IXSIZE (GH-96405)Miss Islington (bot)2022-08-301-9/+0
| | | | | (cherry picked from commit d21d2f0793ce32d72759d5cfc11622d13e3e6b81) Co-authored-by: Matthias Görgens <matthias.goergens@gmail.com>
* Fix typo in internal/pycore_atomic.h (GH-95939)Miss Islington (bot)2022-08-131-1/+1
| | | | | (cherry picked from commit 8281cbddc6f0fbc94f0c21cacfac79a2d4057a4b) Co-authored-by: fluesvamp <105884371+fluesvamp@users.noreply.github.com>
* Post 3.11.0rc1Pablo Galindo2022-08-081-1/+1
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* Python 3.11.0rc1v3.11.0rc1Pablo Galindo2022-08-051-3/+3
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* gh-94936: C getters: co_varnames, co_cellvars, co_freevars (GH-95008)Miss Islington (bot)2022-08-041-0/+6
| | | | | (cherry picked from commit 42b102bbf9a9ae6fae8f6710202fb7afeeac277c) Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
* Revert "[3.11] GH-92678: Expose managed dict clear and visit functions ↵Mark Shannon2022-08-041-3/+0
| | | | | (GH-95246). (#95256)" (#95647) This reverts commit 7f731943393d57cf26ed5f2353e6e53084cd55fd.
* [3.11] gh-95174: Add pthread stubs for WASI (GH-95234) (#95503)Christian Heimes2022-08-012-0/+91
| | | | | | Co-authored-by: Brett Cannon <brett@python.org>. (cherry picked from commit 0fe645d6fd22a6f57e777a29e65cf9a4ff9785ae) Co-authored-by: Christian Heimes <christian@python.org>
* GH-90081: Run python tracers at full speed (GH-95328) (#95363)Miss Islington (bot)2022-07-291-2/+3
| | | | | | | (cherry picked from commit b8b2990fb3218cffedfe7bc92e9e7ae2275b3c98) Co-authored-by: Mark Shannon <mark@hotpy.org> Co-authored-by: Mark Shannon <mark@hotpy.org>
* [3.11] gh-95185: Check recursion depth in the AST constructor (GH-95186) ↵Miss Islington (bot)2022-07-261-0/+2
| | | | | | | | (GH-95208) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> (cherry picked from commit 00474472944944b346d8409cfded84bb299f601a) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* Post 3.11.0b5Pablo Galindo2022-07-261-1/+1
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* Python 3.11.0b5v3.11.0b5Pablo Galindo2022-07-251-2/+2
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* [3.11] GH-92678: Expose managed dict clear and visit functions (GH-95246). ↵Pablo Galindo Salgado2022-07-251-0/+3
| | | | | (#95256) Co-authored-by: Mark Shannon <mark@hotpy.org>
* [3.11] GH-94739: Backport GH-94958 to 3.11 (#94965)Mark Shannon2022-07-251-0/+13
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* [3.11] GH-95113: Don't use EXTENDED_ARG_QUICK in unquickened code (GH-95121) ↵Brandt Bucher2022-07-221-186/+0
| | | | | (GH-95143) (cherry picked from commit e402b26b7fb953a2f0c17a0044bb6d6cbd726e54)
* gh-94731: Revert to C-style casts for _Py_CAST (GH-94782) (#94849)Miss Islington (bot)2022-07-151-51/+3
| | | | | Co-authored-by: da-woods <dw-git@d-woods.co.uk> (cherry picked from commit 6cbb57f62d345d7a5d6aeb1b3b5d37a845344d5e)
* Post 3.11.0b4Pablo Galindo2022-07-111-1/+1
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* Python 3.11.0b4v3.11.0b4Pablo Galindo2022-07-111-2/+2
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* [3.11] GH-94262: Don't create frame objects for frames that aren't yet ↵Miss Islington (bot)2022-07-041-0/+17
| | | | | complete. (GH-94371) (#94482) Co-authored-by: Mark Shannon <mark@hotpy.org>
* [3.11] GH-93354: Use exponential backoff to avoid excessive specialization ↵Mark Shannon2022-06-301-3/+44
| | | | | | attempts (GH-93355) (GH-93379) Co-authored-by: Mark Shannon <mark@hotpy.org> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* [3.11] GH-93516: Backport GH-93769 (GH-94231)Mark Shannon2022-06-281-0/+1
| | | * Store offset of first traceable instruction to avoid having to recompute it all the time when tracing.
* [3.11] gh-90473: Reduce recursion limit on WASI even further (GH-94333) ↵Christian Heimes2022-06-271-3/+4
| | | | | (GH-94334) Co-authored-by: Christian Heimes <christian@python.org>
* [3.11] gh-93382: Cache result of `PyCode_GetCode` in codeobject (GH-93383) ↵Ken Jin2022-06-231-0/+1
| | | | | | (#93493) Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com> Co-authored-by: Dennis Sweeney <36520290+sweeneyde@users.noreply.github.com>
* [3.11] GH-93516: Backport GH-93769: Speedup line number checks when tracing ↵Mark Shannon2022-06-222-1/+32
| | | | | (GH-94127) Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* gh-93937, C API: Move PyFrame_GetBack() to Python.h (#93938) (#94000)Victor Stinner2022-06-203-13/+23
| | | | | | | | | | | | | | | | | | Move the follow functions and type from frameobject.h to pyframe.h, so the standard <Python.h> provide frame getter functions: * PyFrame_Check() * PyFrame_GetBack() * PyFrame_GetBuiltins() * PyFrame_GetGenerator() * PyFrame_GetGlobals() * PyFrame_GetLasti() * PyFrame_GetLocals() * PyFrame_Type Remove #include "frameobject.h" from many C files. It's no longer needed. (cherry picked from commit 27b989403356ccdd47545a93aeab8434e9c69f21)
* gh-91731: Don't define 'static_assert' in C++11 where is a keyword to avoid ↵Miss Islington (bot)2022-06-161-0/+2
| | | | | | | UB (GH-93700) (cherry picked from commit 65ff27c7d30b84655bf8caf6e396c65485708148) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* [3.11] gh-91162: Support splitting of unpacked arbitrary-length tuple over ↵Miss Islington (bot)2022-06-142-0/+2
| | | | | | | | | | | | TypeVar and TypeVarTuple parameters (alt) (GH-93412) (GH-93746) For example: A[T, *Ts][*tuple[int, ...]] -> A[int, *tuple[int, ...]] A[*Ts, T][*tuple[int, ...]] -> A[*tuple[int, ...], int] (cherry picked from commit 3473817106c23eca7341c931453da0341c367e1d) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* gh-91321: Fix compatibility with C++ older than C++11 (#93784) (#93802)Victor Stinner2022-06-141-2/+5
| | | | | | | | | | | * Fix the compatibility of the Python C API with C++ older than C++11. * _Py_NULL is only defined as nullptr on C++11 and newer. (cherry picked from commit 4caf5c2753f1aa28d6f4bc1aa377975fd2a62331) * test_cppext now builds the C++ extension with setuptools. * Add @test.support.requires_venv_with_pip. (cherry picked from commit ca0cc9c433830e14714a5cc93fb4e7254da3dd76)
* [3.11] gh-93741: Add private C API _PyImport_GetModuleAttrString() ↵Serhiy Storchaka2022-06-141-0/+3
| | | | | | | | | | (GH-93742) (GH-93792) It combines PyImport_ImportModule() and PyObject_GetAttrString() and saves 4-6 lines of code on every use. Add also _PyImport_GetModuleAttr() which takes Python strings as arguments. (cherry picked from commit 6fd4c8ec7740523bb81191c013118d9d6959bc9d)
* gh-93442: Make C++ version of _Py_CAST work with 0/NULL. (GH-93500) (gh-93507)Miss Islington (bot)2022-06-051-0/+14
| | | | | | | | | | | | | | | | | Add C++ overloads for _Py_CAST_impl() to handle 0/NULL. This will allow C++ extensions that pass 0 or NULL to macros using _Py_CAST() to continue to compile. Without this, you get an error like: invalid ‘static_cast’ from type ‘int’ to type ‘_object*’ The modern way to use a NULL value in C++ is to use nullptr. However, we want to not break extensions that do things the old way. Co-authored-by: serge-sans-paille (cherry picked from commit 8bcc3fa3453e28511d04eaa0aa7d8e1a3495d518) Co-authored-by: Neil Schemenauer <nas-github@arctrix.com> Co-authored-by: Neil Schemenauer <nas-github@arctrix.com>
* Post 3.11.0b3Pablo Galindo2022-06-011-1/+1
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* Python 3.11.0b3v3.11.0b3Pablo Galindo2022-06-011-2/+2
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* [3.11] gh-91162: Fix substitution of unpacked tuples in generic aliases ↵Miss Islington (bot)2022-06-012-2/+4
| | | | | | | | | | | | | (GH-92335) (#92484) * gh-91162: Fix substitution of unpacked tuples in generic aliases (GH-92335) (cherry picked from commit 9d25db9db1617f012d7dba118b5b8f2b9e25e116) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> * Regenerate ABI file Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* Post 3.11.0b2Pablo Galindo2022-05-311-1/+1
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