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Alexey Izbyshev 1c8b3b5d66 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
2022-04-08 10:40:39 -07:00
..
clinic
Use FASTCALL for __import__ (GH-31752)
2022-03-11 18:46:55 +02:00
deepfreeze
bpo-45696: Deep-freeze selected modules (GH-29118)
2021-11-10 18:01:53 -08:00
frozen_modules
bpo-45020: Drop the frozen .h files from the repo. (gh-28392)
2021-09-16 14:20:52 -06:00
_warnings.c
bpo-47164: Add _PyCFunction_CAST() macro (GH-32192)
2022-03-31 10:02:34 +02:00
adaptive.md
Update adaptive.md for inline caching (GH-31817)
2022-03-11 14:29:10 +00:00
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-46541: Discover the global strings. (gh-31346)
2022-02-14 17:36:51 -07:00
ast_unparse.c
bpo-43224: Implement PEP 646 grammar changes (GH-31018)
2022-03-26 09:55:35 -07:00
ast.c
bpo-45292: [PEP-654] add except* (GH-29581)
2021-12-14 16:48:15 +00:00
bltinmodule.c
bpo-47164: Add _PyCFunction_CAST() macro (GH-32192)
2022-03-31 10:02:34 +02:00
bootstrap_hash.c
bpo-46303: Move fileutils.h private functions to internal C API (GH-30484)
2022-01-11 11:56:16 +01:00
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
bpo-47177: Replace f_lasti with prev_instr (GH-32208)
2022-04-07 12:31:01 -07:00
codecs.c
bpo-46541: Replace core use of _Py_IDENTIFIER() with statically initialized global objects. (gh-30928)
2022-02-08 13:39:07 -07:00
compile.c
bpo-47120: make JUMP_NO_INTERRUPT relative (GH-32221)
2022-04-05 12:49:08 +01:00
condvar.h
bpo-44740: Lowercase "internet" and "web" where appropriate. (#27378)
2021-07-27 00:11:55 +02:00
context.c
bpo-47164: Add _PyCFunction_CAST() macro (GH-32192)
2022-03-31 10:02:34 +02:00
dtoa.c
bpo-45412: Add _PY_SHORT_FLOAT_REPR macro (GH-31171)
2022-02-23 18:16:23 +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)
2021-09-08 14:43:00 +02:00
dynload_shlib.c
bpo-43895: Remove an unnecessary cache of shared object handles (GH-25487)
2021-07-07 16:26:06 -07:00
dynload_stub.c
…
dynload_win.c
bpo-45582: Port getpath[p].c to Python (GH-29041)
2021-12-03 00:08:42 +00:00
emscripten_signal.c
bpo-47176: Interrupt handling for wasm32-emscripten builds without pthreads (GH-32209)
2022-04-03 22:58:52 +02:00
errors.c
bpo-46816: Remove declarations for non-__STDC__ compilers (GH-31466)
2022-02-26 00:16:59 +01:00
fileutils.c
bpo-47260: Fix os.closerange() potentially being a no-op in a seccomp sandbox (GH-32418)
2022-04-08 10:40:39 -07:00
formatter_unicode.c
bpo-46920: Remove disabled debug code added decades ago and likely unnecessary (GH-31812)
2022-03-14 17:03:21 +01:00
frame.c
bpo-47177: Replace f_lasti with prev_instr (GH-32208)
2022-04-07 12:31:01 -07:00
frozen.c
bpo-46748: Don't import <stdbool.h> in public headers (GH-31553)
2022-02-25 09:25:54 +01:00
frozenmain.c
bpo-44131: Py_FrozenMain() uses PyConfig_SetBytesArgv() (GH-26201)
2021-05-20 12:08:05 +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-45316: Move _PyArg_Fini() to internal C API (GH-31580)
2022-02-25 16:19:30 +01:00
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 year to 2022. (GH-30335)
2022-01-02 12:08:48 -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
bpo-43931: Export Python version as API data (GH-25577)
2021-12-09 17:52:05 -08:00
hamt.c
bpo-47164: Add _PyCFunction_CAST() macro (GH-32192)
2022-03-31 10:02:34 +02:00
hashtable.c
bpo-41061: Fix incorrect expressions in hashtable (GH-21028)
2020-06-22 00:41:48 -07:00
import.c
bpo-47162: Add call trampoline to mitigate bad fpcasts on Emscripten (GH-32189)
2022-03-30 12:28:33 -07:00
importdl.c
bpo-47162: Add call trampoline to mitigate bad fpcasts on Emscripten (GH-32189)
2022-03-30 12:28:33 -07:00
importdl.h
bpo-47162: Add call trampoline to mitigate bad fpcasts on Emscripten (GH-32189)
2022-03-30 12:28:33 -07:00
initconfig.c
bpo-45582: Port getpath[p].c to Python (GH-29041)
2021-12-03 00:08:42 +00:00
makeopcodetargets.py
bpo-43760: Check for tracing using 'bitwise or' instead of branch in dispatch. (GH-28723)
2021-10-05 11:01:11 +01:00
marshal.c
bpo-35134: Remove the Include/code.h header file (GH-32385)
2022-04-07 02:29:52 +02:00
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
bpo-35134: Add Include/cpython/longobject.h (GH-29044)
2021-10-19 02:04:52 +02:00
opcode_targets.h
bpo-47120: make JUMP_NO_INTERRUPT relative (GH-32221)
2022-04-05 12:49:08 +01:00
pathconfig.c
bpo-45582: Port getpath[p].c to Python (GH-29041)
2021-12-03 00:08:42 +00:00
preconfig.c
bpo-45434: pyport.h no longer includes <stdlib.h> (GH-28914)
2021-10-13 19:25:53 +02:00
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
bpo-29410: Change the default hash algorithm to SipHash13. (GH-28752)
2021-10-10 17:29:46 +09:00
pylifecycle.c
bpo-46864: Suppress even more ob_shash deprecation warnings (GH-32176)
2022-03-30 08:35:15 +02:00
pymath.c
bpo-45440: Remove pymath.c fallbacks (GH-28977)
2021-10-15 19:45:34 +02:00
pystate.c
bpo-46864: Suppress deprecation warnings for ob_shash. (GH-32042)
2022-03-23 17:11:22 +09:00
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-45434: pyport.h no longer includes <stdlib.h> (GH-28914)
2021-10-13 19:25:53 +02:00
pystrtod.c
bpo-46656: Remove Py_NO_NAN macro (GH-31160)
2022-02-25 01:32:57 +01:00
Python-ast.c
bpo-46289: Make conversion of FormattedValue not optional on ASDL (GH-30467)
2022-01-07 13:05:28 -08:00
Python-tokenize.c
bpo-46613: Add PyType_GetModuleByDef to the public API (GH-31081)
2022-02-11 17:22:11 +01:00
pythonrun.c
bpo-35134: Remove the Include/code.h header file (GH-32385)
2022-04-07 02:29:52 +02:00
pytime.c
bpo-46670: Test if a macro is defined, not its value (GH-31178)
2022-02-07 01:46:51 +01:00
README
…
specialize.c
bpo-47009: Let PRECALL_NO_KW_LIST_APPEND do its own POP_TOP (GH-32239)
2022-04-05 11:18:30 +01:00
stdlib_module_names.h
bpo-40059: Add tomllib (PEP-680) (GH-31498)
2022-03-08 09:26:13 +01:00
structmember.c
bpo-44655: Include the name of the type in unset __slots__ attribute errors (GH-27199)
2021-07-17 00:34:46 +01:00
suggestions.c
bpo-45826: Fix a crash in suggestions.c by checking for traceback is None (GH-29590)
2021-11-18 00:03:52 +01:00
symtable.c
bpo-46765: Replace Locally Cached Strings with Statically Initialized Objects (gh-31366)
2022-02-22 17:23:51 -07:00
sysmodule.c
bpo-35134: Remove the Include/code.h header file (GH-32385)
2022-04-07 02:29:52 +02:00
thread_nt.h
bpo-46008: Move thread-related interpreter state into a sub-struct. (gh-29971)
2021-12-07 14:03:47 -07:00
thread_pthread.h
bpo-46008: Move thread-related interpreter state into a sub-struct. (gh-29971)
2021-12-07 14:03:47 -07:00
thread.c
bpo-46670: Remove unused macros in the Python directory (GH-31192)
2022-02-07 16:21:52 +01:00
traceback.c
bpo-47177: Replace f_lasti with prev_instr (GH-32208)
2022-04-07 12:31:01 -07:00

README 

Miscellaneous source files for the main Python shared library
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