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Miss Islington (bot) 89697f7374
bpo-47260: Fix os.closerange() potentially being a no-op in a seccomp sandbox (GH-32418) 
_Py_closerange() currently assumes that close_range() closes
all file descriptors even if it returns an error (other than ENOSYS).
This assumption can be wrong on Linux if a seccomp sandbox denies
the underlying syscall, pretending that it returns EPERM or EACCES.
In this case _Py_closerange() won't close any descriptors at all,
which in the worst case can be a security issue.

Fix this by falling back to other methods in case of any close_range()
error. Note that fallbacks will not be triggered on any problems with
closing individual file descriptors because close_range() is documented
to ignore such errors on both Linux[1] and FreeBSD[2].

[1] https://man7.org/linux/man-pages/man2/close_range.2.html
[2] https://www.freebsd.org/cgi/man.cgi?query=close_range&sektion=2
(cherry picked from commit 1c8b3b5d66a629258f1db16939b996264a8b9c37)

Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>
2022-04-08 11:10:38 -07:00
..
clinic
bpo-31861: Add aiter and anext to builtins (#23847)
2021-03-23 15:47:21 -07:00
_warnings.c
bpo-43268: Pass interp rather than tstate to internal functions (GH-24580)
2021-02-19 15:10:45 +01:00
asdl.c
bpo-43244: Remove ast.h, asdl.h, Python-ast.h headers (GH-24933)
2021-03-23 20:47:40 +01:00
ast_opt.c
bpo-43892: Validate the first term of complex literal value patterns (GH-25735)
2021-04-29 17:19:28 -07:00
ast_unparse.c
bpo-43892: Make match patterns explicit in the AST (GH-25585)
2021-04-28 22:58:44 -07:00
ast.c
[3.10] bpo-43897: Reject "_" captures and top-level MatchStar in the AST validator (GH-27432) (GH-27435)
2021-07-28 18:02:14 -07:00
bltinmodule.c
bpo-45123: PyAiter_Check and PyObject_GetAiter fix & rename. (GH-28194) (GH-28199)
2021-09-07 12:43:33 +01:00
bootstrap_hash.c
[3.10] Remove trailing spaces (GH-28709)
2021-10-03 20:03:49 +03:00
ceval_gil.h
bpo-43268: Pass interp rather than tstate to internal functions (GH-24580)
2021-02-19 15:10:45 +01:00
ceval.c
[3.10] bpo-46940: Don't override existing AttributeError suggestion information (GH-31710) (GH-31724)
2022-03-07 13:18:36 +00:00
codecs.c
bpo-42157: unicodedata avoids references to UCD_Type (GH-22990)
2020-10-26 19:19:36 +01:00
compile.c
bpo-46831: Update __build_class__ comment (GH-31522)
2022-03-02 22:02:59 -08:00
condvar.h
bpo-44740: Lowercase "internet" and "web" where appropriate. (GH-27378) (GH-27380)
2021-07-27 00:34:32 +02:00
context.c
bpo-43268: Pass interp rather than tstate to internal functions (GH-24580)
2021-02-19 15:10:45 +01:00
dtoa.c
Revert "bpo-40521: Make dtoa bigint free list per-interpreter (GH-24821)" (GH-24964)
2021-03-22 11:58:59 +01:00
dup2.c
…
dynamic_annotations.c
…
dynload_hpux.c
bpo-44959: Add fallback to extension modules with '.sl' suffix on HP-UX (GH-27857) (GH-29152)
2021-11-18 17:19:19 +01:00
dynload_shlib.c
bpo-41894: Fix UnicodeDecodeError while loading native module (GH-22466)
2020-10-15 10:53:27 +09:00
dynload_stub.c
…
dynload_win.c
bpo-36346: Make using the legacy Unicode C API optional (GH-21437)
2020-07-10 23:26:06 +03:00
errors.c
[3.10] bpo-45848: Allow the parser to get error lines from encoded files (GH-29646) (GH-29661)
2021-11-20 16:34:56 +01:00
fileutils.c
bpo-47260: Fix os.closerange() potentially being a no-op in a seccomp sandbox (GH-32418)
2022-04-08 11:10:38 -07:00
formatter_unicode.c
bpo-28146: Fix a confusing error message in str.format() (GH-24213)
2021-05-13 14:24:49 -07:00
frozen_hello.h
bpo-42739: Don't use sentinels to mark end of line table. (GH-25657)
2021-04-29 13:12:51 +01:00
frozen.c
bpo-43372: Use _freeze_importlib for regen-frozen. (GH-24759)
2021-03-06 13:34:03 -08:00
frozenmain.c
bpo-40268: Remove a few pycore_pystate.h includes (GH-19510)
2020-04-14 17:52:15 +02:00
future.c
bpo-38605: Revert making 'from __future__ import annotations' the default (GH-25490)
2021-04-21 12:41:19 +01:00
getargs.c
bpo-40943: Fix skipitem() didn't raise SystemError (GH-25937)
2021-05-06 20:18:42 -07:00
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
[3.10] Update copyright year to 2022. (GH-30335) (GH-30336)
2022-01-02 13:13:04 -08:00
getopt.c
bpo-40527: Fix command line argument parsing (GH-19955)
2020-05-06 22:22:17 +09:00
getplatform.c
…
getversion.c
…
hamt.c
bpo-29882: Add _Py_popcount32() function (GH-20518)
2020-06-08 16:30:33 +02:00
hashtable.c
bpo-41061: Fix incorrect expressions in hashtable (GH-21028)
2020-06-22 00:41:48 -07:00
import.c
[3.10] Fix typos in the Python directory (GH-28767) (GH-28799)
2021-10-07 17:30:08 +02:00
importdl.c
Fix format string in _PyImport_LoadDynamicModuleWithSpec() (GH-28863)
2021-10-12 10:10:59 -07:00
importdl.h
…
importlib_external.h
[3.10] bpo-46724: Use JUMP_ABSOLUTE for all backward jumps. (GH-31326) (GH-31354)
2022-02-16 11:26:02 +00:00
importlib_zipimport.h
[3.10] bpo-46724: Use JUMP_ABSOLUTE for all backward jumps. (GH-31326) (GH-31354)
2022-02-16 11:26:02 +00:00
importlib.h
[3.10] bpo-46724: Use JUMP_ABSOLUTE for all backward jumps. (GH-31326) (GH-31354)
2022-02-16 11:26:02 +00:00
initconfig.c
[3.10] Fix typos in the Python directory (GH-28767) (GH-28799)
2021-10-07 17:30:08 +02:00
makeopcodetargets.py
…
marshal.c
bpo-41180: Replace marshal code.__new__ audit event with marshal.load[s] and marshal.dumps (GH-26970)
2021-06-30 18:52:25 +01:00
modsupport.c
bpo-1635741: Add PyModule_AddObjectRef() function (GH-23122)
2020-11-04 13:59:15 +01:00
mysnprintf.c
bpo-36020: Require vsnprintf() to build Python (GH-20899)
2020-06-16 00:54:44 +02:00
mystrtoul.c
…
opcode_targets.h
bpo-43754: Eliminate bindings for partial pattern matches (GH-25229)
2021-05-02 13:02:10 -07:00
pathconfig.c
[3.10] Fix typos in the Python directory (GH-28767) (GH-28799)
2021-10-07 17:30:08 +02:00
preconfig.c
bpo-43510: Implement PEP 597 opt-in EncodingWarning. (GH-19481)
2021-03-29 12:28:14 +09:00
pyarena.c
bpo-43244: Remove the pyarena.h header (GH-25007)
2021-03-24 02:23:01 +01:00
pyctype.c
…
pyfpe.c
…
pyhash.c
bpo-43475: Fix worst case collision behavior for NaN instances (GH-25493)
2021-04-22 08:34:57 -07:00
pylifecycle.c
bpo-44584: Deprecate PYTHONTHREADDEBUG env var (GH-27065)
2021-08-06 04:32:37 -07:00
pymath.c
bpo-29782: Consolidate _Py_Bit_Length() (GH-20739)
2020-06-15 14:33:48 +02:00
pystate.c
bpo-42540: reallocation of id_mutex should not force default allocator (GH-29564)
2021-11-17 13:16:01 -08:00
pystrcmp.c
bpo-41524: fix pointer bug in PyOS_mystr{n}icmp (GH-21845)
2020-08-27 14:45:25 +09:00
pystrhex.c
bpo-40313: speed up bytes.hex() (GH-19594)
2020-04-20 17:17:52 -07:00
pystrtod.c
bpo-42519: Replace PyMem_MALLOC() with PyMem_Malloc() (GH-23586)
2020-12-01 09:56:42 +01:00
Python-ast.c
bpo-46289: Make conversion of FormattedValue not optional on ASDL (GH-30467)
2022-01-07 14:30:18 -08:00
pythonrun.c
bpo-45614: Fix traceback display for exceptions with invalid module name (GH-29726) (GH-29826)
2021-11-29 10:07:24 +00:00
pytime.c
bpo-37205: time.time() cannot fail with fatal error (GH-23314)
2020-11-16 16:08:05 +01:00
README
…
stdlib_module_names.h
[3.10] bpo-45688: Add _scproxy to sys.stdlib_module_names (GH-29358) (GH-29361)
2021-11-02 12:32:36 +01:00
structmember.c
bpo-44655: Include the name of the type in unset __slots__ attribute errors (GH-27199) (GH-27201)
2021-07-17 01:01:53 +01:00
suggestions.c
[3.10] bpo-45826: Fix a crash in suggestions.c by checking for traceback is None (GH-29590) (GH-29602)
2021-11-18 01:28:04 +01:00
symtable.c
bpo-46042: Improve SyntaxError locations in the symbol table (GH-30059) (GH-30064)
2021-12-12 01:24:12 +00:00
sysmodule.c
bpo-43916: Move the _PyStructSequence_InitType function to the internal API (GH-25854)
2021-05-03 15:50:24 +01:00
thread_nt.h
bpo-41299: Reduce lag in Windows threading timeouts by using a higher precision time source (GH-26568) (GH-26580)
2021-06-20 21:12:27 +01:00
thread_pthread.h
bpo-41710: PyThread_acquire_lock_timed() uses sem_clockwait() (GH-28671)
2021-10-01 18:22:49 +02:00
thread.c
bpo-44584: Deprecate PYTHONTHREADDEBUG env var (GH-27065)
2021-08-06 04:32:37 -07:00
traceback.c
bpo-45831: _Py_DumpASCII() uses a single write() call if possible (GH-29596) (GH-29598)
2021-11-17 22:59:19 +01:00
wordcode_helpers.h
…

README 

Miscellaneous source files for the main Python shared library