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* [3.8] Revert bpo-39576: Prevent memory error for overly optimistic ↵Stefan Krah2020-06-082-210/+6
| | | | | precisions (GH-20747) This reverts commit b6271025c640c228505dc9f194362a0c2ab81c61.
* [3.9] bpo-40826: Fix GIL usage in PyOS_Readline() (GH-20613) (GH-20616)Victor Stinner2020-06-031-4/+22
| | | | | | | | | | | | | | | | | | | | | | | | | * bpo-40826: Fix GIL usage in PyOS_Readline() (GH-20579) Fix GIL usage in PyOS_Readline(): lock the GIL to set an exception. Pass tstate to my_fgets() and _PyOS_WindowsConsoleReadline(). Cleanup these functions. (cherry picked from commit c353764fd564e401cf47a5d9efab18c72c60014e) * bpo-40826: Add _PyOS_InterruptOccurred(tstate) function (GH-20599) my_fgets() now calls _PyOS_InterruptOccurred(tstate) to check for pending signals, rather calling PyOS_InterruptOccurred(). my_fgets() is called with the GIL released, whereas PyOS_InterruptOccurred() must be called with the GIL held. test_repl: use text=True and avoid SuppressCrashReport in test_multiline_string_parsing(). Fix my_fgets() on Windows: fgets(fp) does crash if fileno(fp) is closed. (cherry picked from commit fa7ab6aa0f9a4f695e5525db5a113cd21fa93787)
* bpo-30008: Fix OpenSSL no-deprecated compilation (GH-20397)Miss Islington (bot)2020-06-011-11/+45
| | | | | | | | | | | | Fix :mod:`ssl`` code to be compatible with OpenSSL 1.1.x builds that use ``no-deprecated`` and ``--api=1.1.0``. Note: Tests assume full OpenSSL API and fail with limited API. Signed-off-by: Christian Heimes <christian@python.org> Co-authored-by: Mark Wright <gienah@gentoo.org> (cherry picked from commit a871f692b4a2e6c7d45579693e787edc0af1a02c) Co-authored-by: Christian Heimes <christian@python.org>
* bpo-40795: ctypes calls unraisablehook with an exception (GH-20452)Miss Islington (bot)2020-05-272-14/+31
| | | | | | | | | If ctypes fails to convert the result of a callback or if a ctypes callback function raises an exception, sys.unraisablehook is now called with an exception set. Previously, the error was logged into stderr by PyErr_Print(). (cherry picked from commit 10228bad0452d94e66c964b625a0b61befa08e59) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-13097: ctypes: limit callback to 1024 arguments (GH-19914)Miss Islington (bot)2020-05-271-0/+15
| | | | | | | | | | | | | ctypes now raises an ArgumentError when a callback is invoked with more than 1024 arguments. The ctypes module allocates arguments on the stack in ctypes_callproc() using alloca(), which is problematic when large numbers of arguments are passed. Instead of a stack overflow, this commit raises an ArgumentError if more than 1024 parameters are passed. (cherry picked from commit 29a1384c040d39659e7d01f1fd7b6eb71ef2634e) Co-authored-by: Sean Gillespie <sean@swgillespie.me>
* [3.8] bpo-38580: Document that select() accepts iterables, not just ↵Tal Einat2020-05-262-5/+5
| | | | | | | sequences (GH-16832) (cherry picked from commit 372ee27d4958302dac7ad6a8711f6fd04771b2e6) Co-authored-by: Jakub Stasiak <jakub@stasiak.at>
* [3.8] bpo-35714: Reject null characters in struct format strings (GH-16928) ↵Zackery Spytz2020-05-261-0/+4
| | | | | | | | (GH-20419) struct.error is now raised if there is a null character in a struct format string. (cherry picked from commit 3f59b55316f4c6ab451997902579aa69020b537c)
* bpo-40677: Define IO_REPARSE_TAG_APPEXECLINK explicitly (GH-20206)Miss Islington (bot)2020-05-191-0/+4
| | | | | | This allows building with older versions of the Windows SDK where the value is not defined. (cherry picked from commit 711f9e180a48baba62301735b7f1a58ef0d0e93a) Co-authored-by: Minmin Gong <gongminmin@msn.com>
* bpo-40653: Move _dirnameW out of GH-ifdef HAVE_SYMLINK/GH-endif (GH-20144)Miss Islington (bot)2020-05-181-2/+6
| | | | | (cherry picked from commit 7f21c9ac872acc2114aee3313d132b016550ff42) Co-authored-by: Minmin Gong <gongminmin@msn.com>
* bpo-39148: enable ipv6 for datagrams in Proactor (GH-19121)Miss Islington (bot)2020-05-181-5/+2
| | | | | | | | | Ifdef is not necessary, as AF_INET6 is supported from Windows Vista, and other code in overlapped.c uses AF_INET6 and is not ifdef'd. Change the raised exception so users are not fooled to think it comes from Windows API. Automerge-Triggered-By: @njsmith (cherry picked from commit 442634c42fcaf31c636f693951a97734042c3e7b) Co-authored-by: Kjell Braden <afflux@pentabarf.de>
* bpo-40457: Support OpenSSL without TLS 1.0/1.1 (GH-19862)Miss Islington (bot)2020-05-161-34/+27
| | | | | | | | | | | | | | OpenSSL can be build without support for TLS 1.0 and 1.1. The ssl module now correctly adheres to OPENSSL_NO_TLS1 and OPENSSL_NO_TLS1_1 flags. Also update multissltest to test with latest OpenSSL and LibreSSL releases. Signed-off-by: Christian Heimes <christian@python.org> Automerge-Triggered-By: @tiran (cherry picked from commit 6e8cda91d92da72800d891b2fc2073ecbc134d98) Co-authored-by: Christian Heimes <christian@python.org>
* [3.8] bpo-40515: Require OPENSSL_THREADS (GH-19953) (GH-20119)Christian Heimes2020-05-152-1/+9
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* [3.8] bpo-40559: Add Py_DECREF to _asynciomodule.c:task_step_impl() (GH-19990)Miss Islington (bot)2020-05-081-0/+4
| | | | | | | | This fixes a possible memory leak in the C implementation of asyncio.Task. (cherry picked from commit d2c349b190bcba21a4a38e6520a48ad97a9f1529) Co-authored-by: Chris Jerdonek <chris.jerdonek@gmail.com>
* bpo-40138: Fix Windows os.waitpid() for large exit code (GH-19654)Victor Stinner2020-04-221-1/+3
| | | | | Fix the Windows implementation of os.waitpid() for exit code larger than "INT_MAX >> 8". The exit status is now interpreted as an unsigned number.
* [3.8] bpo-40179: Fix translation of #elif in Argument Clinic (GH-19364) ↵Serhiy Storchaka2020-04-181-3/+3
| | | | | | | (GH-19583) Co-authored-by: Ammar Askar <ammar@ammaraskar.com> (cherry picked from commit 12446e6a605f066d837d3a595d0a73e4f3b43b65)
* bpo-40294: Fix _asyncio when module is loaded/unloaded multiple times (GH-19542)Miss Islington (bot)2020-04-171-0/+2
| | | | | (cherry picked from commit a75e730075cd25be1143e6183006f3b1d61bb80f) Co-authored-by: Jeffrey Quesnelle <jquesnelle@gmail.com>
* closes bpo-40266, closes bpo-39953: Use numeric lib code if compiling ↵Miss Islington (bot)2020-04-141-1248/+1248
| | | | | | | against old OpenSSL. (GH-19506) (cherry picked from commit 584a3cfda4d7a65ea0c1ea1ee541378bb7be46ca) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* closes bpo-39953: Generate ifdefs around library code definitions. (GH-19490)Miss Islington (bot)2020-04-121-1/+53
| | | | | (cherry picked from commit 909b87d2bb3d6330d39c48e43f7f50f4d086cc41) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* bpo-31758: Prevent crashes when using an uninitialized ↵Miss Islington (bot)2020-04-121-0/+24
| | | | | _elementtree.XMLParser object (GH-3997) (GH-19485) (cherry picked from commit 402e1cdb132f384e4dcde7a3d7ec7ea1fc7ab527)
* closes bpo-39953: Update OpenSSL error codes table. (GH-19082)Miss Islington (bot)2020-04-111-379/+4702
| | | | | | I updated the error codes using the OpenSSL 1.1.1f source tree. (cherry picked from commit 3e0dd3730b5eff7e9ae6fb921aa77cd26efc9e3a) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* bpo-39689: Do not use native packing for format "?" with standard size ↵Miss Islington (bot)2020-03-311-0/+3
| | | | | | | (GH-18969) (cherry picked from commit 472fc843ca816d65c12f9508ac762ca492165c45) Co-authored-by: Stefan Krah <skrah@bytereef.org>
* bpo-40121: Fixes audit event raised on creating a new socket (GH-19238)Miss Islington (bot)2020-03-311-3/+4
| | | | | (cherry picked from commit 63ba5cccf484b9ec23dfbf4cf7ffdc833eda98c3) Co-authored-by: Steve Dower <steve.dower@python.org>
* bpo-40014: Fix os.getgrouplist() (GH-19126)Miss Islington (bot)2020-03-241-22/+25
| | | | | | | | | | | Fix os.getgrouplist(): if getgrouplist() function fails because the group list is too small, retry with a larger group list. On failure, the glibc implementation of getgrouplist() sets ngroups to the total number of groups. For other implementations, double the group list size. (cherry picked from commit f5c7cabb2be4e42a5975ba8aac8bb458c8d9d6d7) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-40014: Fix os.getgrouplist() on macOS (GH-19118)Miss Islington (bot)2020-03-231-0/+19
| | | | | | | | On macOS, getgrouplist() returns a non-zero value without setting errno if the group list is too small. Double the list size and call it again in this case. (cherry picked from commit 8ec7370c89aa522602eb9604086ce9f09770953d) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-39652: Truncate the column name after '[' only if PARSE_COLNAMES is set. ↵Miss Islington (bot)2020-03-211-7/+22
| | | | | | | (GH-18942) (cherry picked from commit b146568dfcbcd7409c724f8917e4f77433dd56e4) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* bpo-39582: ossaudiodev module update helpers signature for ioctl calls. ↵Miss Islington (bot)2020-03-141-3/+3
| | | | | | | (GH-18412) (cherry picked from commit b81f40f0adae3b1d1e57f9a89940ba827b9ede70) Co-authored-by: David CARLIER <devnexen@gmail.com>
* [3.8] bpo-39871: Fix possible SystemError in atan2, copysign and remainder ↵Mark Dickinson2020-03-141-1/+5
| | | | | | | | | | | | (GH-18806) (GH-18989) In math_2(), the first PyFloat_AsDouble() call should be checked for failure before the second call. Co-authored-by: Mark Dickinson <dickinsm@gmail.com>. (cherry picked from commit 5208b4b37953a406db0ed6a9db545c2948dde989) Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* [3.8] bpo-38643: Raise SystemError instead of crashing when PyNumber_ToBase ↵Serhiy Storchaka2020-03-121-0/+14
| | | | | | is called with invalid base. (GH-18863). (GH-18954) (cherry picked from commit e5ccc94bbb153431698b2391df625e8d47a93276)
* bpo-39903: Fix double decref in _elementtree.Element.__getstate__ (GH-18850)Miss Islington (bot)2020-03-091-26/+17
| | | | | (cherry picked from commit 88944a44aa84b0f3674939019b1befbc7a9dc874) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.8] bpo-38913: Fix segfault in Py_BuildValue("(sGH-O)", ...) if entered ↵Serhiy Storchaka2020-03-021-0/+42
| | | | | | with exception raised. (GH-18656). (GH-18732) (cherry picked from commit 28d0bcac8b7e6dbd28311f1283dabb6a4d649fcb)
* bpo-39378: partial of PickleState struct should be traversed. (GH-18046)Miss Islington (bot)2020-03-021-0/+1
| | | | | (cherry picked from commit 1f577ce363121d590b51abf5c41d1bcf3d751436) Co-authored-by: Hai Shi <shihai1992@gmail.com>
* [3.8] Explicitly initialize like the surrounding code (GH-18717)Stefan Krah2020-02-291-1/+1
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* [3.8] bpo-39794: Add --without-decimal-contextvar (GH-18702)Stefan Krah2020-02-292-29/+176
| | | (cherry picked from commit 815280eb160af637e1347213659f9236adf78f80)
* bpo-39681: Fix C pickle regression with minimal file-like objects (GH-18592) ↵Miss Islington (bot)2020-02-231-5/+36
| | | | | | | | | | | | (#18630) Fix a regression where the C pickle module wouldn't allow unpickling from a file-like object that doesn't expose a readinto() method. (cherry picked from commit 9f37872e307734666a7169f7be6e3370d3068282) Co-authored-by: Antoine Pitrou <antoine@python.org> Co-authored-by: Antoine Pitrou <pitrou@free.fr>
* bpo-39576: Prevent memory error for overly optimistic precisions (GH-18581) ↵Miss Islington (bot)2020-02-212-6/+210
| | | | | | | (#18584) (cherry picked from commit 90930e65455f60216f09d175586139242dbba260) Authored-by: Stefan Krah <skrah@bytereef.org>
* Valgrind no longer supports --db-attach=yes. (GH-18568) (#18576)Miss Islington (bot)2020-02-201-1/+1
| | | | | | | | (cherry picked from commit c0cb8beb389da3ba67ad31b1ecc95e100b6292ab) Co-authored-by: Stefan Krah <skrah@bytereef.org> Co-authored-by: Stefan Krah <skrah@bytereef.org>
* Use the new recommended number of repetitions in the refleak tests. ↵Miss Islington (bot)2020-02-201-1/+1
| | | | | | | | | | (GH-18569) (#18574) (cherry picked from commit 1246d892038a693304549f8574e6c2784b91589a) Co-authored-by: Stefan Krah <skrah@bytereef.org> Co-authored-by: Stefan Krah <skrah@bytereef.org>
* Update runall.bat to the latest Windows build system. (GH-18571) (#18573)Miss Islington (bot)2020-02-201-41/+59
| | | | | | | | (cherry picked from commit 9b833e00e447a3b8b6966686bff701f549c66263) Co-authored-by: Stefan Krah <skrah@bytereef.org> Co-authored-by: Stefan Krah <skrah@bytereef.org>
* bpo-39184: Add audit events to functions in `fcntl`, `msvcrt`, `os`, ↵Steve Dower2020-02-135-17/+174
| | | | | | `resource`, `shutil`, `signal`, `syslog` (GH-18407) Co-authored-by: Saiyang Gou <gousaiyang@163.com>
* closes bpo-39621: Make buf arg to md5_compress be const. (GH-18497)Miss Islington (bot)2020-02-131-2/+2
| | | | | (cherry picked from commit 597ebed748d0b0c061f8c108bd98270d103286c1) Co-authored-by: Andy Lester <andy@petdance.com>
* closes bpo-39605: Fix some casts to not cast away const. (GH-18453)Miss Islington (bot)2020-02-121-2/+2
| | | | | | | | | | | | | | | | | | gcc -Wcast-qual turns up a number of instances of casting away constness of pointers. Some of these can be safely modified, by either: Adding the const to the type cast, as in: - return _PyUnicode_FromUCS1((unsigned char*)s, size); + return _PyUnicode_FromUCS1((const unsigned char*)s, size); or, Removing the cast entirely, because it's not necessary (but probably was at one time), as in: - PyDTrace_FUNCTION_ENTRY((char *)filename, (char *)funcname, lineno); + PyDTrace_FUNCTION_ENTRY(filename, funcname, lineno); These changes will not change code, but they will make it much easier to check for errors in consts (cherry picked from commit e6be9b59a911626d6597fe148c32f0342bd2bd24) Co-authored-by: Andy Lester <andy@petdance.com>
* bpo-39590: make deque.__contains__ and deque.count hold strong references ↵Miss Islington (bot)2020-02-091-0/+4
| | | | | | | | | | (GH-18421) (GH-18423) (cherry picked from commit c6dedde160a9fce5d049e860f586ad8f93aec822) Co-authored-by: sweeneyde <36520290+sweeneyde@users.noreply.github.com> Co-authored-by: sweeneyde <36520290+sweeneyde@users.noreply.github.com>
* bpo-39184: Add audit events to command execution functions in os and pty ↵Miss Islington (bot)2020-02-051-7/+42
| | | | | | | modules (GH-17824) (cherry picked from commit 95f60010219e142a436fae18e1695cbc45407afe) Co-authored-by: Saiyang Gou <gousaiyang@163.com>
* closes bpo-39510: Fix use-after-free in BufferedReader.readinto() (GH-18295)Miss Islington (bot)2020-02-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | When called on a closed object, readinto() segfaults on account of a write to a freed buffer: ==220553== Process terminating with default action of signal 11 (SIGSEGV): dumping core ==220553== Access not within mapped region at address 0x2A ==220553== at 0x48408A0: memmove (vg_replace_strmem.c:1272) ==220553== by 0x58DB0C: _buffered_readinto_generic (bufferedio.c:972) ==220553== by 0x58DCBA: _io__Buffered_readinto_impl (bufferedio.c:1053) ==220553== by 0x58DCBA: _io__Buffered_readinto (bufferedio.c.h:253) Reproducer: reader = open ("/dev/zero", "rb") _void = reader.read (42) reader.close () reader.readinto (bytearray (42)) GH-GH-GH- BANG! The problem exists since 2012 when commit dc469454ec added code to free the read buffer on close(). Signed-off-by: Philipp Gesang <philipp.gesang@intra2net.com> (cherry picked from commit cb1c0746f277052e45a60d6c436a765e34722821) Co-authored-by: Philipp Gesang <phg@phi-gamma.net>
* [3.8] bpo-39492: Fix a reference cycle between reducer_override and a ↵Antoine Pitrou2020-02-021-4/+18
| | | | | | | | | | | Pickler instance (GH-18266) (#18316) https://bugs.python.org/issue39492 Automerge-Triggered-By: @pitrou (cherry picked from commit 0f2f35e) Co-authored-by: Pierre Glaser <pierreglaser@msn.com>
* bpo-39393: Misleading error message on dependent DLL resolution failure ↵Miss Islington (bot)2020-01-281-2/+3
| | | | | | | (GH-18093) (cherry picked from commit 13c1c3556f2c12d0be2af890fabfbf44280b845c) Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* bpo-39426: Fix outdated default and highest protocols in docs (GH-18154)Miss Islington (bot)2020-01-242-16/+18
| | | | | | | | Some portions of the pickle documentation hadn't been updated for the pickle protocol changes in Python 3.8 (new protocol 5, default protocol 4). This PR fixes those docs. https://bugs.python.org/issue39426 (cherry picked from commit e9652e8d58392f5022759ba06b444ce970eb12db) Co-authored-by: Mark Dickinson <mdickinson@enthought.com>
* bpo-39421: Fix posible crash in heapq with custom comparison operators ↵Miss Islington (bot)2020-01-231-9/+26
| | | | | | | | | | | | (GH-18118) * bpo-39421: Fix posible crash in heapq with custom comparison operators * fixup! bpo-39421: Fix posible crash in heapq with custom comparison operators * fixup! fixup! bpo-39421: Fix posible crash in heapq with custom comparison operators (cherry picked from commit 79f89e6e5a659846d1068e8b1bd8e491ccdef861) Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* bpo-16575: Disabled checks for union types being passed by value. (GH-17960) ↵Miss Islington (bot)2020-01-121-0/+18
| | | | | | | | | | | (GH-17964) Although the underlying libffi issue remains open, adding these checks have caused problems in third-party projects which are in widespread use. See the issue for examples. The corresponding tests have also been skipped. (cherry picked from commit c12440c371025bea9c3bfb94945f006c486c2c01)
* closes bpo-39262: Use specific out-of-memory message in ↵Miss Islington (bot)2020-01-091-2/+4
| | | | | | | _sharedexception_bind. (GH-17908) (cherry picked from commit 5cae042f686cc174e00093944dc118914c874b7c) Co-authored-by: Alex Henrie <alexhenrie24@gmail.com>
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