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Miss Islington (bot)andGregory P. Smith 824836b660 [3.13] gh-158446: Reject float format precision near INT_MAX (GH-158474) (#158478 )

gh-158446: Reject float format precision near INT_MAX (GH-158474)

Formatting a float or complex with a precision within about 1000 of
INT_MAX could crash or produce incorrect output.
PyOS_double_to_string() now raises ValueError("precision too big") for
such precisions, as the format string parsers already do for
precisions above INT_MAX.

The limit applies regardless of presentation type or value, so a few
calls that previously succeeded (inf, nan, or 'g' with such a
precision) now raise as well.
(cherry picked from commit b7b4f3ecf2)

Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>

2026-09-30 05:47:43 +00:00

clinic

[3.13] gh-155952: Fix <unrepresentable> Argument Clinic defaults in several signatures (#156170 )

2026-08-21 13:25:13 +01:00

frozen_modules

gh-97669: Create Tools/build/ directory (#97963 )

2022-10-17 12:01:00 +02:00

_warnings.c

[3.13] gh-155952: Fix <unrepresentable> Argument Clinic defaults in several signatures (#156170 )

2026-08-21 13:25:13 +01:00

adaptive.md

GH-98686: Get rid of "adaptive" and "quick" instructions (GH-99182)

2022-11-09 10:50:09 -08:00

asdl.c

bpo-43244: Remove ast.h, asdl.h, Python-ast.h headers (GH-24933)

2021-03-23 20:47:40 +01:00

asm_trampoline_aarch64.h

[3.13] gh-139808: Add branch protections for aarch64 in asm_trampoline.S (GH-130864) (GH-150189) (#150194 )

2026-05-28 19:10:24 +02:00

asm_trampoline.S

[3.13] gh-139808: Add branch protections for aarch64 in asm_trampoline.S (GH-130864) (GH-150189) (#150194 )

2026-05-28 19:10:24 +02:00

assemble.c

[3.13] gh-151112: Fix double free in assemble_init when out of memory (GH-151142) (#151207 )

2026-06-09 21:13:40 +01:00

ast_opt.c

[3.13] gh-123344: Add missing ast optimizations for PEP 696 (GH-123377) (#123427 )

2024-08-28 14:02:34 +00:00

ast_unparse.c

[3.13] gh-125268: Use static string for "1e309" in AST (GH-125272) (GH-125280)

2024-10-24 13:59:23 -04:00

ast.c

[3.13] gh-85260: Extend the AST Validator to validate all identifiers (GH-21069) (GH-155653)

2026-08-13 05:59:34 +00:00

bltinmodule.c

[3.13] gh-150285: Fix too long docstrings in builtins (GH-150293) (GH-150466) (GH-150472)

2026-05-26 10:34:50 +00:00

bootstrap_hash.c

gh-110014: Fix bootstrap_hash.c: remove debug code (#110161 )

2023-09-30 22:21:20 +00:00

brc.c

gh-110481: Fix biased reference counting queue initialization. (#117271 )

2024-03-28 09:28:39 -04:00

bytecodes.c

[3.13] gh-145008: Maintain stack consistency in CALL_BOUND_METHOD_EXACT_ARGS (GH-145015)

2026-03-03 04:09:02 +08:00

ceval_gil.c

[3.13] gh-154175: Fetch _PY_GIL_DROP_REQUEST_BIT under GIL (#157013 )

2026-09-29 23:24:31 +02:00

ceval_macros.h

[3.13] gh-152375: Fix undefined behaviour in the INSTRUMENTED_JUMP macro (GH-152376) (#152577 )

2026-06-29 10:04:56 +00:00

ceval.c

[3.13] gh-146615: Fix format specifiers in Python/ directory (GH-146619) (GH-146654)

2026-03-31 09:16:44 +00:00

codecs.c

[3.13] gh-151253: Dump the Python path configuration on _PyCodec_InitRegistry() failure (#151250 ) (#151269 ) (#151283 ) (#151287 )

2026-06-10 23:24:46 +02:00

compile.c

[3.13] gh-156466: fix cleanup on error after Enter in codegen_enter_scope (#156615 )

2026-09-17 19:15:10 +01:00

condvar.h

gh-104530: Enable native Win32 condition variables by default (GH-104531)

2024-02-02 13:50:51 +00:00

config_common.h

gh-76785: Add PyInterpreterConfig Helpers (gh-117170)

2024-04-02 20:35:52 +00:00

context.c

[3.13] gh-151773: Fix NULL dereference in PyContextVar_Set (GH-151836) (#152011 )

2026-06-23 14:39:29 +00:00

critical_section.c

[3.13] gh-119344: Make critical section API public (GH-119353) (#120856 )

2024-06-21 20:20:41 +00:00

crossinterp_data_lookup.h

gh-76785: Improved Subinterpreters Compatibility with 3.12 (gh-115424)

2024-02-13 14:56:49 -07:00

crossinterp_exceptions.h

[3.13] gh-117398: Use Per-Interpreter State for the _datetime Static Types (gh-120009)

2024-06-03 23:37:28 +00:00

crossinterp.c

[3.13] gh-140306: Clear uncaught exception info after applying error in subinterpreter (GH-140397)

2026-01-12 18:19:57 +02:00

dtoa.c

[3.13] gh-158446: Reject float format precision near INT_MAX (GH-158474) (#158478 )

2026-09-30 05:47:43 +00:00

dup2.c

gh-108765: Python.h no longer includes <unistd.h> (#108783 )

2023-09-02 16:50:18 +02:00

dynamic_annotations.c

bpo-32241: Add the const qualifire to declarations of umodifiable strings. (#4748 )

2017-12-12 13:55:04 +02:00

dynload_hpux.c

gh-88402: Add new sysconfig variables on Windows (GH-110049)

2023-10-04 22:50:29 +00:00

dynload_shlib.c

gh-88402: Add new sysconfig variables on Windows (GH-110049)

2023-10-04 22:50:29 +00:00

dynload_stub.c

gh-88402: Add new sysconfig variables on Windows (GH-110049)

2023-10-04 22:50:29 +00:00

dynload_win.c

gh-88402: Add new sysconfig variables on Windows (GH-110049)

2023-10-04 22:50:29 +00:00

emscripten_signal.c

GH-108614: Unbreak emscripten build (GH-109132)

2023-09-08 17:54:45 +01:00

emscripten_trampoline.c

[3.13] gh-121698 Emscripten: Use updated WebAssembly type reflection proposal (GH-121699) (GH-121745)

2024-07-14 12:01:03 +02:00

errors.c

[3.13] gh-143547: Fix PyErr_FormatUnraisable() fallback (GH-143557) (GH-143603) (#143612 )

2026-01-09 15:33:25 +00:00

executor_cases.c.h

[3.13] gh-132744: Check recursion limit in _PY_FRAME_GENERAL (GH-132746) (GH-138032)

2025-08-22 20:25:24 +08:00

fileutils.c

[3.13] gh-87587: Fix os.device_encoding() for any console on Windows (GH-155410) (GH-156597)

2026-08-29 18:42:14 +00:00

flowgraph.c

[3.13] gh-151112: Move an assert that may fail in cfg_builder_check (GH-151153) (#151315 )

2026-06-11 09:40:49 +00:00

formatter_unicode.c

gh-92536: Remove PyUnicode_READY() calls (#105210 )

2023-06-02 01:33:17 +02:00

frame.c

gh-118272: set stacktop to 0 before freeing contents, to avoid access to invalid objects during GC (#118478 )

2024-05-01 21:51:40 +01:00

frozen.c

gh-108716: Cleanup remaining deepfreeze infrastructure (#116919 )

2024-03-18 11:13:11 -07:00

frozenmain.c

gh-105716: Fix _PyInterpreterState_IsRunningMain() For Embedders (gh-117140)

2024-03-21 18:20:20 -06:00

future.c

[3.13] gh-126139: Improve error message location for future statement with unknown feature (GH-126140) (#126155 )

2024-10-30 00:36:06 +00:00

gc_free_threading.c

[3.13] GH-91636: Clear weakrefs created by finalizers. (GH-136401) (GH-144214)

2026-03-24 00:50:41 +01:00

gc_gil.c

gh-111968: Rename freelist related struct names to Eric's suggestion (gh-115329)

2024-02-14 00:32:51 +00:00

gc.c

[3.13] GH-91636: Clear weakrefs created by finalizers. (GH-136401) (GH-144214)

2026-03-24 00:50:41 +01:00

generated_cases.c.h

[3.13] gh-145008: Maintain stack consistency in CALL_BOUND_METHOD_EXACT_ARGS (GH-145015)

2026-03-03 04:09:02 +08:00

getargs.c

[3.13] gh-146615: Fix format specifiers in Objects/ directory (GH-146620) (#147705 )

2026-04-01 21:52:14 +00:00

getcompiler.c

closes bpo-43278: remove unnecessary leading '\n' from COMPILER when build with GCC/Clang (GH-24606)

2021-02-25 20:24:21 -08:00

getcopyright.c

Update copyright years to 2024. (GH-113608)

2024-01-16 21:54:05 +01:00

getopt.c

gh-110079: Remove extern "C" { ...} in C code (#110080 )

2023-09-29 10:56:49 +02:00

getplatform.c

bpo-32150: Expand tabs to spaces in C files. (#4583 )

2017-11-28 17:56:10 +02:00

getversion.c

[3.13] gh-119132: Update sys.version to identify free-threaded or not. (gh-119134) (#119153 )

2024-05-18 16:49:11 -04:00

hamt.c

[3.13] gh-155515: Use GC tracking for HAMT iterators (GH-155517) (#155918 )

2026-08-17 06:48:45 +03:00

hashtable.c

gh-111545: Add Py_HashPointer() function (#112096 )

2023-12-06 15:09:22 +01:00

import.c

[3.13] gh-150633: Properly handle null characters in the name when importing frozen modules (GH-150634) (GH-151102)

2026-06-08 18:55:43 +00:00

importdl.c

[3.13] gh-140011: Delete importdl assertion that prevents importing embedded modules from packages (GH-141605) (#141987 )

2025-11-28 23:31:11 -08:00

initconfig.c

[3.13] gh-86427: Use the console code page for the stdio encoding on Windows (GH-155415) (GH-156604)

2026-08-29 19:49:44 +00:00

instruction_sequence.c

[3.13] gh-130740: Move some stdbool.h includes after Python.h (#130738 ) (#130756 )

2025-03-03 13:09:59 +01:00

instrumentation.c

[3.13] gh-151524: Make it clearer that _PyInstrumentation_DISABLE is immortal in the code (GH-151525) (GH-155351)

2026-08-07 15:52:49 +00:00

interpconfig.c

[3.13] gh-146615: Fix format specifiers in Python/ directory (GH-146619) (GH-146654)

2026-03-31 09:16:44 +00:00

intrinsics.c

[3.13] gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) (GH-130556)

2025-02-25 22:50:26 +00:00

jit.c

[3.13] GH-146128: Remove the buggy AArch64 "33rx" relocation (#146263 ) (#148199 )

2026-04-07 20:10:33 +02:00

legacy_tracing.c

[3.13] gh-137400: Fix thread-safety issues when profiling all threads (gh-137518) (gh-137733)

2025-10-09 11:42:47 -04:00

lock.c

[3.13] gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852) (#148885 )

2026-04-22 18:56:24 +00:00

marshal.c

[3.13] gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) (GH-150350) (GH-150473) (GH-150526)

2026-05-27 18:06:50 +00:00

modsupport.c

[3.13] gh-132909: handle overflow for 'K' format in do_mkvalue (GH-132911) (#132932 )

2025-04-25 12:44:53 +00:00

mysnprintf.c

Add a warning message about PyOS_snprintf (#95993 )

2022-10-07 11:49:53 -07:00

mystrtoul.c

gh-108765: Python.h no longer includes <ctype.h> (#108831 )

2023-09-03 18:54:27 +02:00

object_stack.c

gh-111968: Split _Py_dictkeys_freelist out of _Py_dict_freelist (gh-115505)

2024-02-16 01:01:36 +00:00

opcode_targets.h

GH-118095: Use broader specializations of CALL in tier 1, for better tier 2 support of calls. (GH-118322)

2024-05-04 12:11:11 +01:00

optimizer_analysis.c

[3.13] gh-120642: Move private PyCode APIs to the internal C API (#120643 ) (#121043 )

2024-06-26 15:35:19 +02:00

optimizer_bytecodes.c

[3.13] gh-119258: Backport optimizer frame fixes in GH-119365 (GH-120699)

2024-06-20 23:55:20 +08:00

optimizer_cases.c.h

[3.13] gh-132744: Check recursion limit in _PY_FRAME_GENERAL (GH-132746) (GH-138032)

2025-08-22 20:25:24 +08:00

optimizer_symbols.c

[3.13] gh-120642: Move private PyCode APIs to the internal C API (#120643 ) (#121043 )

2024-06-26 15:35:19 +02:00

optimizer.c

[3.13] gh-120642: Move private PyCode APIs to the internal C API (#120643 ) (#121043 )

2024-06-26 15:35:19 +02:00

parking_lot.c

[3.13] gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852) (#148885 )

2026-04-22 18:56:24 +00:00

pathconfig.c

gh-117987: Restore several functions removed in Python 3.13 alpha 1 (GH-117993)

2024-04-18 15:20:38 +02:00

perf_jit_trampoline.c

[3.13] gh-156114: Fix crash in perf trampoline with unencodable code names (GH-156300) (#157774 )

2026-09-18 21:27:16 +00:00

perf_trampoline.c

[3.13] gh-156114: Fix crash in perf trampoline with unencodable code names (GH-156300) (#157774 )

2026-09-18 21:27:16 +00:00

preconfig.c

[3.13] gh-145092: Fix compiler warning for memchr() and wcschr() returning const pointer (GH-145093) (GH-145101)

2026-02-22 08:28:24 +00:00

pyarena.c

bpo-43244: Remove the pyarena.h header (GH-25007)

2021-03-24 02:23:01 +01:00

pyctype.c

…

pyfpe.c

bpo-46315: Add ifdef HAVE_ feature checks for WASI compatibility (GH-30507)

2022-01-13 09:46:04 +01:00

pyhash.c

[3.13] gh-111389: Add PyHASH_MULTIPLIER constant (GH-119214) (#119334 )

2024-06-04 09:26:25 +02:00

pylifecycle.c

[3.13] gh-150644: Tag Apple system log messages as public. (GH-150645) (#150740 )

2026-06-01 22:48:28 +00:00

pymath.c

bpo-45440: Remove pymath.c fallbacks (GH-28977)

2021-10-15 19:45:34 +02:00

pystate.c

[3.13] gh-158364: Don't report other interpreters' threads in sys._current_frames (GH-158369) (GH-158473)

2026-09-30 02:54:58 +00:00

pystrcmp.c

gh-108767: Replace ctype.h functions with pyctype.h functions (#108772 )

2023-09-01 18:36:53 +02:00

pystrhex.c

[3.13] gh-141370: Fix undefined behavior when using Py_ABS() (GH-141548) (#142304 )

2025-12-05 15:52:12 +00:00

pystrtod.c

[3.13] gh-158446: Reject float format precision near INT_MAX (GH-158474) (#158478 )

2026-09-30 05:47:43 +00:00

Python-ast.c

[3.13] gh-144169: Fix three crashes in AST objects with non-str kwargs (GH-144178) (#144260 )

2026-01-27 20:37:35 -08:00

Python-tokenize.c

[3.13] gh-120317: Lock around global state in the tokenize module (GH-120318) (#121841 )

2024-07-16 10:03:47 +00:00

pythonrun.c

[3.13] gh-152132: Test Py_CompileString() in test_capi.test_run (#153470 ) (#153473 ) (#153533 )

2026-07-10 22:25:22 +00:00

pytime.c

[3.13] gh-152849: Fix OverflowError message for out-of-range timestamps in the time module (GH-152850) (#153207 )

2026-07-06 15:13:32 +00:00

qsbr.c

[3.13] GH-133136: Revise QSBR to reduce excess memory held (gh-135473) (gh-136480)

2025-07-30 11:06:44 -07:00

README

Issue #18093 : Factor out the programs that embed the runtime

2014-07-25 21:52:14 +10:00

specialize.c

[3.13] gh-125610: Fix STORE_ATTR_INSTANCE_VALUE specialization check (GH-125612) (GH-127698)

2024-12-06 16:14:26 +00:00

stdlib_module_names.h

[3.13] gh-126925: Modify how iOS test results are gathered (GH-127592) (#127754 )

2024-12-09 14:39:11 +08:00

structmember.c

[3.13] gh-156196: Fix a failed assignment to a PyMemberDef attribute changing its value (GH-156197)

2026-08-21 16:00:39 +00:00

suggestions.c

gh-113845: Fix a compiler warning in Python/suggestions.c (GH-113949)

2024-01-11 20:31:24 +02:00

symtable.c

[3.13] gh-152682: Fix NULL dereference on OOM in symtable_visit_type_param_bound_or_default (GH-152684) (#152697 )

2026-07-06 17:36:17 +01:00

sysmodule.c

[3.13] gh-150285: Fix too long docstrings in Argument Clinic code (GH-150338) (GH-150350) (GH-150473) (GH-150526)

2026-05-27 18:06:50 +00:00

thread_nt.h

[3.13] gh-87135: Hang non-main threads that attempt to acquire the GIL during finalization (GH-105805) (GH-137827)

2025-08-17 09:08:14 -07:00

thread_pthread_stubs.h

GH-110829: Ensure Thread.join() joins the OS thread (#110848 )

2023-11-04 13:59:24 +00:00

thread_pthread.h

[3.13] gh-154283: Make threading.get_native_id() unique across processes on DragonFly (GH-154287) (GH-154298)

2026-07-20 23:04:40 +03:00

thread.c

gh-110850: Cleanup PyTime API: PyTime_t are nanoseconds (#115753 )

2024-02-21 11:46:00 +01:00

tier2_engine.md

Docs: fix spelling of the word 'transferring' (#116641 )

2024-03-13 23:53:32 +01:00

traceback.c

[3.13] gh-142737: Handle lost io.open in _Py_FindSourceFile (GH-142747) (GH-142774)

2025-12-15 23:27:15 +00:00

tracemalloc.c

[3.13] gh-128679: Clear the ref tracer in _PyTraceMalloc_Stop() (#129258 )

2025-01-24 14:54:02 +01:00

vm-state.md

High level docs for the VM state (#111621 )

2023-11-01 22:55:10 +00:00

README

Miscellaneous source files for the main Python shared library