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* [3.6] bpo-34922: Fix integer overflow in the digest() and hexdigest() ↵Miss Islington (bot)2018-10-111-1/+4
| | | | | | | | | methods (GH-9751) (GH-9798) (GH-9801) for the SHAKE algorithm in the hashlib module. (cherry picked from commit 9b8c2e767643256202bb11456ba8665593b9a500) (cherry picked from commit 8b040e55395b37bdb8fd4ec85a270cfc9ec95307) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.6] bpo-33729: Fix issues with arguments parsing in hashlib. (GH-8346) ↵Serhiy Storchaka2018-10-117-239/+184
| | | | | | | | | | | | | | | | | | | | | | | | | | | | (GH-8581) (GH-9657) * help(hashlib) didn't work because of incorrect module name in blake2b and blake2s classes. * Constructors blake2*(), sha3_*(), shake_*() and keccak_*() incorrectly accepted keyword argument "string" for binary data, but documented as accepting the "data" keyword argument. Now this parameter is positional-only. * Keyword-only parameters in blake2b() and blake2s() were not documented as keyword-only. * Default value for some parameters of blake2b() and blake2s() was None, which is not acceptable value. * The length argument for shake_*.digest() was wrapped out to 32 bits. * The argument for shake_128.digest() and shake_128.hexdigest() was not positional-only as intended. * TypeError messages for incorrect arguments in all constructors sha3_*(), shake_*() and keccak_*() incorrectly referred to sha3_224. Also made the following enhancements: * More accurately specified input and result types for strings, bytes and bytes-like objects. * Unified positional parameter names for update() and constructors. * Improved formatting. (cherry picked from commit f1d36d8efaecd5c84cb35e35119b283f37d83c40) (cherry picked from commit 47957dab94a4efa2fee61c9a8193f78300950769)
* [3.6] bpo-34906: Doc: Fix typos (2) (GH-9735)Stéphane Wirtel2018-10-101-1/+1
| | | (cherry picked from commit 683281f536981da395575b5a07d6761118259fd2)
* Fix a compiler warning added in bpo-34872. (GH-9722). (GH-9726) (GH-9728)Miss Islington (bot)2018-10-051-1/+1
| | | | | (cherry picked from commit addf8afb43af58b9bf56a0ecfd0f316dd60ac0c3) (cherry picked from commit d9212200fe8ddb55d73b8231869cfbb32635ba92)
* [3.6] bpo-34872: Fix self-cancellation in C implementation of asyncio.Task ↵Elvis Pranskevichus2018-10-031-3/+8
| | | | | | | | | | | | | | | | | | | | | | | | (GH-9679) (GH-9690) The C implementation of asyncio.Task currently fails to perform the cancellation cleanup correctly in the following scenario. async def task1(): async def task2(): await task3 # task3 is never cancelled asyncio.current_task().cancel() await asyncio.create_task(task2()) The actuall error is a hardcoded call to `future_cancel()` instead of calling the `cancel()` method of a future-like object. Thanks to Vladimir Matveev for noticing the code discrepancy and to Yury Selivanov for coming up with a pathological scenario. (cherry picked from commit 548ce9dedd2e90945970671d441436a6a91608ab) https://bugs.python.org/issue34872
* Fix incorrect error handling in _pickle.Unpickler.__init__() (GH-9630)Miss Islington (bot)2018-09-291-1/+1
| | | | | | _pickle.Unpickler.__init__() should return -1 if Pdata_New() fails, not 1. (cherry picked from commit 4b430e5f6954ef4b248e95bfb4087635dcdefc6d) Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* [3.6] bpo-34670: Add TLS 1.3 post handshake auth (GH-9460) (GH-9507)Christian Heimes2018-09-232-8/+109
| | | | | | | | | | | | | | | | Add SSLContext.post_handshake_auth and SSLSocket.verify_client_post_handshake for TLS 1.3 post-handshake authentication. Signed-off-by: Christian Heimes <christian@python.org>q https://bugs.python.org/issue34670. (cherry picked from commit 9fb051f032c36b9f6086b79086b4d6b7755a3d70) Co-authored-by: Christian Heimes <christian@python.org> https://bugs.python.org/issue34670
* [3.6] bpo-34759: Fix error handling in ssl 'unwrap()' (GH-9468) (GH-9492)Christian Heimes2018-09-221-2/+2
| | | | | | | | | | | | | | | | | | | | | OpenSSL follows the convention that whenever you call a function, it returns an error indicator value; and if this value is negative, then you need to go look at the actual error code to see what happened. Commit c6fd1c1c3a introduced a small mistake in _ssl__SSLSocket_shutdown_impl: instead of checking whether the error indicator was negative, it started checking whether the actual error code was negative, and it turns out that the error codes are never negative. So the effect was that 'unwrap()' lost the ability to raise SSL errors. https://bugs.python.org/issue34759. (cherry picked from commit c0da582b227f311126e278b5553a7fa89c79b054) Co-authored-by: Nathaniel J. Smith <njs@pobox.com> https://bugs.python.org/issue34759
* bpo-34735: Fix a memory leak in Modules/timemodule.c (GH-9418)Miss Islington (bot)2018-09-211-0/+1
| | | | | | There was a missing PyMem_Free(format) in time_strftime(). (cherry picked from commit 91e6c8717b7dcbcc46b189509de5f2d335819f37) Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* closes bpo-34656: Avoid relying on signed overflow in _pickle memos. (GH-9261)Miss Islington (bot)2018-09-211-31/+31
| | | | | (cherry picked from commit a4ae828ee416a66d8c7bf5ee71d653c2cc6a26dd) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* bpo-32215: Fix performance regression in sqlite3 (GH-8511)Miss Islington (bot)2018-09-201-4/+4
| | | | | (cherry picked from commit 8d1e190fc507a9e304f6817e761e9f628a23cbd8) Co-authored-by: Berker Peksag <berker.peksag@gmail.com>
* bpo-34623: Use XML_SetHashSalt in _elementtree (GH-9146)Miss Islington (bot)2018-09-182-0/+10
| | | | | | | | | | | The C accelerated _elementtree module now initializes hash randomization salt from _Py_HashSecret instead of libexpat's default CPRNG. Signed-off-by: Christian Heimes <christian@python.org> https://bugs.python.org/issue34623 (cherry picked from commit cb5778f00ce48631c7140f33ba242496aaf7102b) Co-authored-by: Christian Heimes <christian@python.org>
* bpo-32533: Fixed thread-safety of error handling in _ssl. (GH-7158)Steve Dower2018-09-171-59/+67
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* bpo-34710: fix SSL module build (GH-9347)Miss Islington (bot)2018-09-171-0/+1
| | | | | | | | Include ``openssl/dh.h`` header file to fix implicit function declaration of ``DH_free()``. Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com> (cherry picked from commit b3a271fc0ce3e13e427be8914decfc205a220ca8) Co-authored-by: Alexandru Ardelean <ardeleanalex@gmail.com>
* bpo-34603, ctypes/libffi_msvc: Fix returning structs from functions (GH-9258)Miss Islington (bot)2018-09-165-6/+221
| | | | | (cherry picked from commit 7843caeb909bd907e903606414e238db4082315a) Co-authored-by: Vladimir Matveev <v2matveev@outlook.com>
* bpo-34649: Add missing NULL checks to _encoded_const() (GH-9225)Miss Islington (bot)2018-09-121-3/+3
| | | | | | Reported by Svace static analyzer. (cherry picked from commit 6f82bffd2df63a4072b3f0483cdbe93ddedb87e9) Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>
* closes bpo-31903: Release the GIL when calling into SystemConfiguration ↵Miss Islington (bot)2018-09-121-0/+6
| | | | | | | (GH-4178) (cherry picked from commit 4859ba0d2ce4506fddc3f55f90f8dce031b3804f) Co-authored-by: Max Bélanger <aeromax@gmail.com>
* [3.6] closes bpo-25041: Document AF_PACKET socket address format. (GH-9209)Benjamin Peterson2018-09-121-3/+3
| | | | | (cherry picked from commit 731ff68eeef58babdf2b32dc9a73b141760c2be9) Co-authored-by: Cheryl Sabella <cheryl.sabella@gmail.com>
* Delete old expat comment. (GH-9197)Miss Islington (bot)2018-09-121-8/+0
| | | | | (cherry picked from commit b9bf9d025e659b5a1963027eb73690e57cb35dd0) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* [3.6] closes bpo-31608: Fix a crash in methods of a subclass of ↵Benjamin Peterson2018-09-111-3/+13
| | | | | | | _collections.deque with a bad __new__(). (GH-9178) (cherry picked from commit 24bd50bdcc97d65130c07d6cd26085fd06c3e972) Co-authored-by: Oren Milman <orenmn@gmail.com>
* bpo-32270: Don't close stdin/out/err in pass_fds (GH-6242) (GH-9149)Miss Islington (bot)2018-09-111-10/+14
| | | | | | | | | | | | | | | | | When subprocess.Popen() stdin= stdout= or stderr= handles are specified and appear in pass_fds=, don't close the original fds after dup'ing them. This implementation and unittest primarily came from @izbyshev (see the PR) See also https://github.com/izbyshev/cpython/commit/b89b52f28490b69142d5c061604b3a3989cec66c This also removes the old manual p2cread, c2pwrite, and errwrite closing logic as inheritable flags and _close_open_fds takes care of that properly today without special treatment. This code is within child_exec() where it is the only thread so there is no race condition between the dup and _Py_set_inheritable_async_safe call. (cherry picked from commit ce34410b8b67f49d8275c05d51b3ead50cf97f48) Co-authored-by: Gregory P. Smith <greg@krypto.org> [Google]
* bpo-34625: Update vendorized expat version to 2.2.6. (GH-9158)Miss Islington (bot)2018-09-114-27/+69
| | | | | (cherry picked from commit 5033aa77aacaa5505636f150e8d54baac5bdca9c) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* [3.6] Fix misleading mentions of tp_size in comments (GH-9137)Benjamin Peterson2018-09-1010-14/+14
| | | | | | | Many type object initializations labeled a field "tp_size" in the comment, but the name of that field is tp_basicsize.. (cherry picked from commit 0e0bc4e221f592f305d335faf5f8046484eb9238) Co-authored-by: Peter Eisentraut <peter@eisentraut.org>
* [3.6] bpo-34604: Fix possible mojibake in pwd.getpwnam() and grp.getgrnam() ↵William Grzybowski2018-09-092-2/+2
| | | | | | | | | (GH-9098) (GH-9105) Pass the user/group name as Unicode to the formatting function, instead of always decoding a bytes string from UTF-8.. (cherry picked from commit 28658485a54ad5f9df52ecc12d9046269f1654ec) Co-authored-by: William Grzybowski <wg@FreeBSD.org>
* [3.6] bpo-34563: Fix for invalid assert on big output of ↵Alexander Buchkovsky2018-09-072-9/+9
| | | | | | | multiprocessing.Process (GH-9027) (GH-9069) Fix for invalid assert on big output of multiprocessing.Process. (cherry picked from commit 266f4904a222a784080e29aad0916849e507515d)
* bpo-13312: Avoid int underflow in time year. (GH-8912)Miss Islington (bot)2018-08-251-0/+6
| | | | | | Avoids an integer underflow in the time module's year handling code. (cherry picked from commit 76be0fffff8b7dbe649ad4821144461800ffb0d0) Co-authored-by: Gregory P. Smith <greg@krypto.org>
* bpo-34456: pickle: Add missing NULL check to save_global(). (GH-8851)Miss Islington (bot)2018-08-221-0/+2
| | | | | | Reported by Svace static analyzer. (cherry picked from commit f8c06b028036e50596e75d4c9f6b27ba05133efe) Co-authored-by: Alexey Izbyshev <izbyshev@ispras.ru>
* bpo-34395: Fix memory leaks caused by incautious usage of PyMem_Resize(). ↵Miss Islington (bot)2018-08-162-42/+22
| | | | | | | (GH-8756) (cherry picked from commit 67b9cc8e6072a919d2ed7e7ecc8124c8acfb3733) Co-authored-by: Sergey Fedoseev <fedoseev.sergey@gmail.com>
* bpo-32947: Fixes for TLS 1.3 and OpenSSL 1.1.1 (GH-8761)Christian Heimes2018-08-141-0/+4
| | | | | | | | | | | | | | Backport of TLS 1.3 related fixes from 3.7. Misc fixes and workarounds for compatibility with OpenSSL 1.1.1 from git master and TLS 1.3 support. With OpenSSL 1.1.1, Python negotiates TLS 1.3 by default. Some test cases only apply to TLS 1.2. OpenSSL 1.1.1 has added a new option OP_ENABLE_MIDDLEBOX_COMPAT for TLS 1.3. The feature is enabled by default for maximum compatibility with broken middle boxes. Users should be able to disable the hack and CPython's test suite needs it to verify default options Signed-off-by: Christian Heimes <christian@python.org>
* Fix docstring of Profiler class (GH-8651)Miss Islington (bot)2018-08-031-2/+2
| | | | | (cherry picked from commit 2ebd3813af9172fe1f9b2f6004edf6f1e1e5d9f1) Co-authored-by: INADA Naoki <methane@users.noreply.github.com>
* [3.6] bpo-33871: Fix os.sendfile(), os.writev(), os.readv(), etc. (GH-7931) ↵Serhiy Storchaka2018-07-311-16/+17
| | | | | | | | | | | | | | (GH-8584) * Fix integer overflow in os.readv(), os.writev() and in os.sendfile() with headers or trailers arguments (on BSD-based OSes and MacOS). * Fix sending the part of the file in os.sendfile() on MacOS. Using the trailers argument could cause sending more bytes from the input file than was specified. Thanks Ned Deily for testing on 32-bit MacOS. (cherry picked from commit 9d5727326af53ddd91016d98e16ae7cf829caa95)
* bpo-30237: Output error when ReadConsole is canceled by CancelSynchronousIo. ↵Steve Dower2018-07-291-1/+5
| | | | | (GH-7911) Co-authored-by: ValeriyaSinevich <valeriya.sinevich@phystech.edu>
* [3.6] bpo-29097: Forego fold detection on windows for low timestamp values ↵Ammar Askar2018-07-271-1/+16
| | | | | | | | (GH-2385) (GH-8498) On Windows, passing a negative value to local results in an OSError because localtime_s on Windows does not support negative timestamps. Unfortunately this means that fold detection for timestamps between 0 and max_fold_seconds will result in this OSError since we subtract max_fold_seconds from the timestamp to detect a fold. However, since we know there haven't been any folds in the interval [0, max_fold_seconds) in any timezone, we can hackily just forego fold detection for this time range on Windows.. (cherry picked from commit 96d1e69a12ed8ab80203277e1abdaf573457a964) Co-authored-by: Ammar Askar <ammar_askar@hotmail.com>
* bpo-34068: _io__IOBase_close_impl could call _PyObject_SetAttrId with an ↵Serhiy Storchaka2018-07-171-4/+7
| | | | | | | exception set (GH-8282). (GH-8312) (cherry picked from commit 28f07364f066792ceee93231dbb80ae8ad98b2bb) Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* [3.6] prefix internal sqlite symbols with _pysqlite_ (GH-8215). (GH-8218)Benjamin Peterson2018-07-104-20/+20
| | | | | (cherry picked from commit 7762e4d3872818272800dfbd8e1d8e3a689eb8f2) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* delete some unused pysqlite forward declarations (GH-8211)Miss Islington (bot)2018-07-101-4/+0
| | | | | (cherry picked from commit d6d4432724b12efc0d280b8eb80bca0deb8d4323) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* Make various internal _testbuffer symbols static. (GH-8160)Miss Islington (bot)2018-07-071-4/+4
| | | | | (cherry picked from commit 6cfe45a5c3d41c08d09f319ea68065b10200b13f) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* Make two PyModuleDef_Slot symbols static in _testmultiphase. (GH-8147)Miss Islington (bot)2018-07-071-2/+2
| | | | | (cherry picked from commit cb4bae72c965ce946e0fdb48db67c73afdcb5649) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* Make TaskStepMethWrapper_Type and TaskWakeupMethWrapper_Type static. (GH-8127)Miss Islington (bot)2018-07-061-2/+2
| | | | | (cherry picked from commit 3c8aae9ffe13d0f2ad4ff81cdf56bc6393af362a) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* Don't export pending_threadfunc from _testcapi. (GH-8075)Miss Islington (bot)2018-07-041-1/+2
| | | | | (cherry picked from commit b4588c2fffbda91e4c2f0cf2b0fc3d14def95608) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* bpo-25862: Fix several bugs in the _io module. (GH-8026)Miss Islington (bot)2018-06-302-8/+17
| | | | | | | | | | | | | | They can be exposed when some C API calls fail due to lack of memory. * Failed Py_BuildValue() could cause an assertion error in the following TextIOWrapper.tell(). * input_chunk could be decrefed twice in TextIOWrapper.seek() after failed Py_BuildValue(). * initvalue could leak in StringIO.__getstate__() after failed PyDict_Copy(). (cherry picked from commit fdb5a50ef34f7951c3b01eb77b1359725a9ad670) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.6] bpo-32568: make select.epoll() and its docs consistent (GH-7840) (GH-8025)Tal Einat2018-06-301-3/+6
| | | | | | | | | | | | | | | * `flags` is indeed deprecated, but there is a validation on its value for backwards compatibility reasons. This adds mention of this in the docs. * The docs say that `sizehint` is deprecated and ignored, but it is still used when `epoll_create1()` is unavailable. This adds mention of this in the docs. * `sizehint=-1` is acceptable again, and is replaced with `FD_SETSIZE-1`. This is needed to have a default value available at the Python level, since `FD_SETSIZE` is not exposed to Python. (see: bpo-31938) * Reject `sizehint=0` since it is invalid to pass on to `epoll_create()`. The relevant tests have also been updated. (cherry picked from commit 0cdf5f42898350261c5ff65d96334e736130780f)
* [3.6] bpo-25862: Fix assertion failures in io.TextIOWrapper.tell(). ↵Zackery Spytz2018-06-291-0/+5
| | | | | | | (GH-3918). (GH-8012) (cherry picked from commit 23db935bcf258657682e66464bf8512def8af830) Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* bpo-33956: update vendored expat to 2.2.5 (GH-7925)Miss Islington (bot)2018-06-278-1464/+1352
| | | | | (cherry picked from commit 4e21100fa7bf66e0b32146d3f46ae16afc73fee1) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* bpo-33916: Fix bz2 and lzma init when called twice (GH-7843) (GH-7872)Victor Stinner2018-06-232-4/+12
| | | | | | bz2, lzma: When Decompressor.__init__() is called twice, free the old lock to not leak memory. (cherry picked from commit 9b7cf757213cf4d7ae1d436d86ad53f5ba362d55)
* bpo-29456: Fix bugs in unicodedata.normalize: u1176, u11a7 and u11c3 (GH-1958)Miss Islington (bot)2018-06-151-3/+7
| | | | | | | | Hangul composition check boundaries are wrong for the second character ([0x1161, 0x1176) instead of [0x1161, 0x1176]) and third character ((0x11A7, 0x11C3) instead of [0x11A7, 0x11C3]). (cherry picked from commit d134809cd3764c6a634eab7bb8995e3e2eff14d5) Co-authored-by: Wonsup Yoon <pusnow@me.com>
* bpo-33812: Corrected astimezone for naive datetimes. (GH-7578) (GH-7601)Miss Islington (bot)2018-06-101-0/+11
| | | | | | | | | | | | | | | | | | | | | A datetime object d is aware if d.tzinfo is not None and d.tzinfo.utcoffset(d) does not return None. If d.tzinfo is None, or if d.tzinfo is not None but d.tzinfo.utcoffset(d) returns None, d is naive. This commit ensures that instances with non-None d.tzinfo, but d.tzinfo.utcoffset(d) returning None are treated as naive. In addition, C acceleration code will raise TypeError if d.tzinfo.utcoffset(d) returns an object with the type other than timedelta. * Updated the documentation. Assume that the term "naive" is defined elsewhere and remove the not entirely correct clarification. Thanks, Tim. (cherry picked from commit 877b23202b7e7d4f57b58504fd0eb886e8c0b377) Co-authored-by: Alexander Belopolsky <abalkin@users.noreply.github.com>
* bpo-33781: audioop: enhance rounding double as int (GH-7447) (GH-7451)Miss Islington (bot)2018-06-061-11/+17
| | | | | | | | | Move the floor() call into fbound() to call floor() on a double rather than an int. The change should enhance the rounding. Document also (int)double rounding mode. (cherry picked from commit 45e4efba7fa2abe61d25e4f8b5bf482e19ff1280) Co-authored-by: Victor Stinner <vstinner@redhat.com>
* bpo-33767: Fix improper use of SystemError by mmap.mmap objects (GH-7381)Miss Islington (bot)2018-06-051-20/+2
| | | | | | Raise TypeError instead of SystemError for unsupported operations. (cherry picked from commit e9e397605789b2a67b67558fbbe756b7b88934f5) Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* bpo-30654: Do not reset SIGINT handler to SIG_DFL in finisignal (GH-7146) ↵Miss Islington (bot)2018-06-011-12/+2
| | | | | | | (GH-7307) (cherry picked from commit e905c84494526363086f66a979e317e155bf9536) Co-authored-by: pkerling <pkerling@casix.org>
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