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cpython/Misc
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Pablo Galindo Salgado 2c1ca6bb5b
gh-144563: Fix remote debugging with duplicate libpython mappings from ctypes (#144595) 
When _ctypes is imported, it may call dlopen on the libpython shared
library, causing the dynamic linker to load a second mapping of the
library into the process address space. The remote debugging code
iterates memory regions from low addresses upward and returns the first
mapping whose filename matches libpython. After _ctypes is imported, it
finds the dlopen'd copy first, but that copy's PyRuntime section was
never initialized, so reading debug offsets from it fails.

Fix this by validating each candidate PyRuntime address before accepting
it. The validation reads the first 8 bytes and checks for the "xdebugpy"
cookie that is only present in an initialized PyRuntime. Uninitialized
duplicate mappings will fail this check and be skipped, allowing the
search to continue to the real, initialized PyRuntime.
2026-02-10 10:04:50 +00:00
..
mypy gh-131507: Add support for syntax highlighting in PyREPL (GH-133247) 2025-05-02 20:22:31 +02:00
NEWS.d gh-144563: Fix remote debugging with duplicate libpython mappings from ctypes (#144595) 2026-02-10 10:04:50 +00:00
rhel7 gh-95957: Add instructions for Tcl/Tk and OpenSSL on RHEL/CentOS 7 (#95964) 2022-08-16 13:44:02 +02:00
ACKS gh-101178: Add Ascii85, Base85, and Z85 support to binascii (GH-102753) 2026-02-06 16:43:16 +02:00
externals.spdx.json gh-140849: Update bundled liblzma to 5.8.1 on Windows (#141022) 2025-11-07 22:28:01 -08:00
HISTORY gh-123492: Remove unnecessary :func: parentheses (#123493) 2024-08-30 14:34:09 +03:00
indent.pro
libabigail.abignore gh-143253: Add libabigail suppression file for internal types (#143254) 2026-01-12 17:37:43 +02:00
platform_triplet.c gh-132026: Ensure _MIPS_SIM has defined _ABI identifiers for comparison (GH-132027) 2025-04-27 21:56:00 +00:00
Porting
python-config.in bpo-45101: Add consistency in usage message IO between 2 versions of python-config (GH-28162) 2024-02-26 22:04:44 +02:00
python-config.sh.in gh-116622: Rename build variable MODULE_LDFLAGS back to LIBPYTHON (#122764) 2024-08-09 00:00:55 +02:00
python-embed.pc.in
python.man Manpage: -X gil is not related to PYTHON_HISTORY (#133753) 2025-05-09 17:11:21 +03:00
python.pc.in gh-116622: Rename build variable MODULE_LDFLAGS back to LIBPYTHON (#122764) 2024-08-09 00:00:55 +02:00
README gh-124457: Remove coverity from CPython repo (GH-124460) 2024-09-27 13:42:32 -07:00
README.AIX bpo-42087: Remove support for AIX 5.3 and below (GH-22830) 2020-11-16 16:16:10 +01:00
README.valgrind closes docs: remove references to Py_USING_MEMORY_DEBUGGER (GH-30284) 2021-12-29 16:20:42 -06:00
sbom.spdx.json gh-144363: Update bundled libexpat to 2.7.4 (#144365) 2026-02-05 13:58:18 +01:00
SpecialBuilds.txt GH-129763: Remove the LLTRACE macro (GH-129764) 2025-02-07 08:49:51 -08:00
stable_abi.toml gh-143869: Add PEP 757 functions to the limited API (#143906) 2026-01-21 14:47:14 +01:00
svnmap.txt
valgrind-python.supp gh-121096: Ignore dlopen() leaks in Valgrind suppression file (#121097) 2024-06-28 13:10:11 +02:00
vgrindefs

README 

Python Misc subdirectory
========================

This directory contains files that wouldn't fit in elsewhere.  Some
documents are only of historic importance.

Files found here
----------------

ACKS                    Acknowledgements
HISTORY                 News from previous releases -- oldest last
indent.pro              GNU indent profile approximating my C style
NEWS                    News for this release (for some meaning of "this")
Porting                 Mini-FAQ on porting to new platforms
python-config.in        Python script template for python-config
python.man              UNIX man page for the python interpreter
python.pc.in            Package configuration info template for pkg-config
README                  The file you're reading now
README.AIX              Information about using Python on AIX
README.valgrind         Information for Valgrind users, see valgrind-python.supp
SpecialBuilds.txt       Describes extra symbols you can set for debug builds
svnmap.txt              Map of old SVN revs and branches to hg changeset ids,
                        help history-digging
valgrind-python.supp    Valgrind suppression file, see README.valgrind
vgrindefs               Python configuration for vgrind (a generic pretty printer)