bpo-1635741: Fix NULL ptr deref in multiprocessing

[tiran]

Commit 1d541c2 introduced a NULL
pointer dereference in error path.

Signed-off-by: Christian Heimes christian@python.org

https://bugs.python.org/issue1635741

Automerge-Triggered-By: GH:encukou

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x Fedora Clang 3.x has failed when building commit dde91b1.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/3/builds/214) and take a look at the build logs.
4. Check if the failure is related to this commit (dde91b1) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/3/builds/214

Failed tests:

• test_lib2to3

Summary of the results of the build (if available):

==

Click to see traceback logs

remote: Enumerating objects: 9, done. remote: Counting objects: 11% (1/9) remote: Counting objects: 22% (2/9) remote: Counting objects: 33% (3/9) remote: Counting objects: 44% (4/9) remote: Counting objects: 55% (5/9) remote: Counting objects: 66% (6/9) remote: Counting objects: 77% (7/9) remote: Counting objects: 88% (8/9) remote: Counting objects: 100% (9/9) remote: Counting objects: 100% (9/9), done. remote: Compressing objects: 33% (1/3) remote: Compressing objects: 66% (2/3) remote: Compressing objects: 100% (3/3) remote: Compressing objects: 100% (3/3), done. remote: Total 5 (delta 4), reused 2 (delta 2), pack-reused 0  From https://github.com/python/cpython * branch master -> FETCH_HEAD Reset branch 'master' Python/pytime.c:154:10: warning: implicit conversion from 'long' to 'double' changes value from 9223372036854775807 to 9223372036854775808 [-Wimplicit-int-float-conversion] if (!_Py_InIntegralTypeRange(time_t, intpart)){^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/pymath.h:228:82: note: expanded from macro '_Py_InIntegralTypeRange' #define _Py_InIntegralTypeRange(type, v) (_Py_IntegralTypeMin(type) <= v && v <= _Py_IntegralTypeMax(type)) ~~^~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/pymath.h:221:124: note: expanded from macro '_Py_IntegralTypeMax' #define _Py_IntegralTypeMax(type) ((_Py_IntegralTypeSigned(type)) ? (((((type)1 << (sizeof(type)*CHAR_BIT - 2)) - 1) << 1) + 1) : ~(type)0) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ Python/pytime.c:207:14: warning: implicit conversion from 'long' to 'double' changes value from 9223372036854775807 to 9223372036854775808 [-Wimplicit-int-float-conversion] if (!_Py_InIntegralTypeRange(time_t, intpart)){^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/pymath.h:228:82: note: expanded from macro '_Py_InIntegralTypeRange' #define _Py_InIntegralTypeRange(type, v) (_Py_IntegralTypeMin(type) <= v && v <= _Py_IntegralTypeMax(type)) ~~^~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/pymath.h:221:124: note: expanded from macro '_Py_IntegralTypeMax' #define _Py_IntegralTypeMax(type) ((_Py_IntegralTypeSigned(type)) ? (((((type)1 << (sizeof(type)*CHAR_BIT - 2)) - 1) << 1) + 1) : ~(type)0) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ Python/pytime.c:392:10: warning: implicit conversion from 'long' to 'double' changes value from 9223372036854775807 to 9223372036854775808 [-Wimplicit-int-float-conversion] if (!_Py_InIntegralTypeRange(_PyTime_t, d)){^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/pymath.h:228:82: note: expanded from macro '_Py_InIntegralTypeRange' #define _Py_InIntegralTypeRange(type, v) (_Py_IntegralTypeMin(type) <= v && v <= _Py_IntegralTypeMax(type)) ~~^~~~~~~~~~~~~~~~~~~~~~~~~ ./Include/pymath.h:221:124: note: expanded from macro '_Py_IntegralTypeMax' #define _Py_IntegralTypeMax(type) ((_Py_IntegralTypeSigned(type)) ? (((((type)1 << (sizeof(type)*CHAR_BIT - 2)) - 1) << 1) + 1) : ~(type)0) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ 3 warnings generated. ./Modules/timemodule.c:116:13: warning: code will never be executed [-Wunreachable-code] PyErr_SetString(PyExc_OverflowError, ^~~~~~~~~~~~~~~ ./Modules/_threadmodule.c:1587:19: warning: implicit conversion from '_PyTime_t' (aka 'long') to 'double' changes value from 9223372036854775 to 9223372036854776 [-Wimplicit-int-float-conversion] timeout_max = (_PyTime_t)PY_TIMEOUT_MAX*1e-6;^~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. 1 warning generated. test_ossaudiodev skipped -- [Errno 2] No such file or directory: '/dev/dsp' test_zipfile64 skipped -- test requires loads of disk-space bytes and a long time to run test_readline skipped -- No module named 'readline' test_ttk_guionly skipped -- Tk unavailable due to TclError: no display name and no $DISPLAY environment variab [...] test_winconsoleio skipped -- test only relevant on win32 test_tix skipped -- Tk unavailable due to TclError: no display name and no $DISPLAY environment variab [...] test_devpoll skipped -- test works only on Solaris OS family test_winreg skipped -- No module named 'winreg' test_flock (__main__.FNTLEINTRTest) ... ok test_lockf (__main__.FNTLEINTRTest) ... ok test_read (__main__.OSEINTRTest) ... ok test_wait (__main__.OSEINTRTest) ... ok test_wait3 (__main__.OSEINTRTest) ... ok test_wait4 (__main__.OSEINTRTest) ... ok test_waitpid (__main__.OSEINTRTest) ... ok test_write (__main__.OSEINTRTest) ... ok test_devpoll (__main__.SelectEINTRTest) ... skipped 'need select.devpoll' test_epoll (__main__.SelectEINTRTest) ... ok test_kqueue (__main__.SelectEINTRTest) ... skipped 'need select.kqueue' test_poll (__main__.SelectEINTRTest) ... ok test_select (__main__.SelectEINTRTest) ... ok test_sigtimedwait (__main__.SignalEINTRTest) ... ok test_sigwaitinfo (__main__.SignalEINTRTest) ... ok test_accept (__main__.SocketEINTRTest) ... ok test_open (__main__.SocketEINTRTest) ... ok test_os_open (__main__.SocketEINTRTest) ... ok test_recv (__main__.SocketEINTRTest) ... ok test_recvmsg (__main__.SocketEINTRTest) ... ok test_send (__main__.SocketEINTRTest) ... ok test_sendall (__main__.SocketEINTRTest) ... ok test_sendmsg (__main__.SocketEINTRTest) ... ok test_sleep (__main__.TimeEINTRTest) ... ok ---------------------------------------------------------------------- Ran 24 tests in 6.386s OK (skipped=2) test_startfile skipped -- object <module 'os' from '/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/os.py'> has no attribute 'startfile' test_msilib skipped -- No module named '_msi' test_ioctl skipped -- Unable to open /dev/tty test_winsound skipped -- No module named 'winsound' Fatal Python error: Segmentation fault Current thread 0x000003ff99078b20 (most recent call first): File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/lib2to3/btm_matcher.py", line 125 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/lib2to3/refactor.py", line 414 in refactor_tree File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/lib2to3/refactor.py", line 371 in refactor_string File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/lib2to3/refactor.py", line 339 in refactor_file File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/lib2to3/tests/test_all_fixers.py", line 24 in test_all_project_files File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/case.py", line 549 in _callTestMethod File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/case.py", line 592 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/case.py", line 652 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/runner.py", line 176 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/support/__init__.py", line 959 in _run_suite File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/support/__init__.py", line 1082 in run_unittest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/runtest.py", line 211 in _test_module File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/runtest.py", line 236 in _runtest_inner2 File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/runtest.py", line 272 in _runtest_inner File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/runtest.py", line 142 in _runtest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/runtest.py", line 195 in runtest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/runtest_mp.py", line 81 in run_tests_worker File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/main.py", line 659 in _main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/main.py", line 639 in main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/main.py", line 717 in main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/regrtest.py", line 43 in _main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/regrtest.py", line 47 in <module> File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/runpy.py", line 87 in _run_code File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/runpy.py", line 197 in _run_module_as_main test_tk skipped -- Tk unavailable due to TclError: no display name and no $DISPLAY environment variab [...] test_kqueue skipped -- test works only on BSD test_nis skipped -- No module named 'nis' /tmp/tmp3go63d5c/parse.c:136:19: warning: code will never be executed [-Wunreachable-code] p->mark = _mark;^~~~~ 1 warning generated. Fatal Python error: Segmentation fault Current thread 0x000003ffa7778b20 (most recent call first): File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/lib2to3/btm_matcher.py", line 125 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/lib2to3/refactor.py", line 414 in refactor_tree File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/lib2to3/refactor.py", line 371 in refactor_string File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/lib2to3/refactor.py", line 339 in refactor_file File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/lib2to3/tests/test_all_fixers.py", line 24 in test_all_project_files File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/case.py", line 549 in _callTestMethod File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/case.py", line 592 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/case.py", line 652 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/unittest/runner.py", line 176 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/support/__init__.py", line 959 in _run_suite File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/support/__init__.py", line 1082 in run_unittest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/runtest.py", line 211 in _test_module File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/runtest.py", line 236 in _runtest_inner2 File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/runtest.py", line 272 in _runtest_inner File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/runtest.py", line 155 in _runtest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/runtest.py", line 195 in runtest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/main.py", line 319 in rerun_failed_tests File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/main.py", line 696 in _main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/main.py", line 639 in main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/libregrtest/main.py", line 717 in main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/test/__main__.py", line 2 in <module> File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/runpy.py", line 87 in _run_code File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/Lib/runpy.py", line 197 in _run_module_as_main make: *** [Makefile:1199: buildbottest] Segmentation fault (core dumped) Cannot open file '/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.clang/build/test-results.xml' for upload

[encukou]

Whoa! Doesn't look related but I'll see if I can reproduce that.

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x Fedora LTO 3.x has failed when building commit dde91b1.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/all/#builders/55/builds/240) and take a look at the build logs.
4. Check if the failure is related to this commit (dde91b1) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/all/#builders/55/builds/240

Failed tests:

• test_lib2to3

Summary of the results of the build (if available):

==

Click to see traceback logs

Reset branch 'master' In function ‘bytearray_removeprefix_impl’, inlined from ‘bytearray_removeprefix’ at Objects/clinic/bytearrayobject.c.h:139:20: Objects/bytearrayobject.c:1204:12: warning: ‘__builtin_memcmp_eq’ specified size between 9223372036854775808 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=] 1204 | && memcmp(self_start, prefix_start, prefix_len) == 0) |^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In function ‘bytearray_removesuffix_impl’, inlined from ‘bytearray_removesuffix’ at Objects/clinic/bytearrayobject.c.h:179:20: Objects/bytearrayobject.c:1236:12: warning: ‘__builtin_memcmp_eq’ specified size between 9223372036854775808 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=] 1236 | && memcmp(self_start + self_len - suffix_len, |^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1237 | suffix_start, suffix_len) == 0) |~~~~~~~~~~~~~~~~~~~~~~~~~ In function ‘assemble_lnotab’, inlined from ‘assemble_emit’ at Python/compile.c:5696:25, inlined from ‘assemble’ at Python/compile.c:6038:18: Python/compile.c:5612:23: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5612 | *lnotab++ = 255; |~~~~~~~~~~^~~~~ Python/compile.c:5613:23: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5613 | *lnotab++ = 0; |~~~~~~~~~~^~~ Python/compile.c:5650:19: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5650 | *lnotab++ = k; |~~~~~~~~~~^~~ In function ‘bytearray_removeprefix_impl’, inlined from ‘bytearray_removeprefix’ at Objects/clinic/bytearrayobject.c.h:139:20: Objects/bytearrayobject.c:1204:12: warning: ‘__builtin_memcmp_eq’ specified size between 9223372036854775808 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=] 1204 | && memcmp(self_start, prefix_start, prefix_len) == 0) |^ In function ‘bytearray_removesuffix_impl’, inlined from ‘bytearray_removesuffix’ at Objects/clinic/bytearrayobject.c.h:179:20: Objects/bytearrayobject.c:1236:12: warning: ‘__builtin_memcmp_eq’ specified size between 9223372036854775808 and 18446744073709551615 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=] 1236 | && memcmp(self_start + self_len - suffix_len, |^ In function ‘assemble_lnotab’, inlined from ‘assemble_emit’ at Python/compile.c:5696:25, inlined from ‘assemble’ at Python/compile.c:6038:18: Python/compile.c:5612:23: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5612 | *lnotab++ = 255; |^ Python/compile.c:5613:23: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5613 | *lnotab++ = 0; |^ Python/compile.c:5650:19: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5650 | *lnotab++ = k; |^ In function ‘assemble_lnotab’, inlined from ‘assemble_emit’ at Python/compile.c:5696:0, inlined from ‘assemble’ at Python/compile.c:6038:0: Python/compile.c:5612: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5612 | *lnotab++ = 255; | Python/compile.c:5613: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5613 | *lnotab++ = 0; | Python/compile.c:5650: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5650 | *lnotab++ = k; | In function ‘assemble_lnotab’, inlined from ‘assemble_emit’ at Python/compile.c:5696:0, inlined from ‘assemble’ at Python/compile.c:6038:0: Python/compile.c:5612: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5612 | *lnotab++ = 255; | Python/compile.c:5613: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5613 | *lnotab++ = 0; | Python/compile.c:5650: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 5650 | *lnotab++ = k; |/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Modules/_ctypes/callproc.c: In function ‘_ctypes_callproc’: /home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Modules/_ctypes/callproc.c:857:18: warning: ‘space’ may be used uninitialized in this function [-Wmaybe-uninitialized] 857 | space[0] = errno; |^ /home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Modules/_ctypes/callproc.c:819:10: note: ‘space’ was declared here 819 | int *space; |^~~~~ test_msilib skipped -- No module named '_msi' Fatal Python error: Segmentation fault Current thread 0x000003ffbeb78b20 (most recent call first): File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/lib2to3/btm_matcher.py", line 125 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/lib2to3/refactor.py", line 458 in refactor_tree File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/lib2to3/refactor.py", line 371 in refactor_string File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/lib2to3/tests/test_fixers.py", line 31 in _check File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/lib2to3/tests/test_fixers.py", line 36 in check File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/lib2to3/tests/test_fixers.py", line 4024 in test_listcomps File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/case.py", line 549 in _callTestMethod File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/case.py", line 592 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/case.py", line 652 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/runner.py", line 176 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/support/__init__.py", line 959 in _run_suite File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/support/__init__.py", line 1082 in run_unittest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/runtest.py", line 211 in _test_module File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/runtest.py", line 236 in _runtest_inner2 File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/runtest.py", line 272 in _runtest_inner File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/runtest.py", line 142 in _runtest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/runtest.py", line 195 in runtest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/runtest_mp.py", line 81 in run_tests_worker File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/main.py", line 659 in _main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/main.py", line 639 in main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/main.py", line 717 in main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/regrtest.py", line 43 in _main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/regrtest.py", line 47 in <module> File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/runpy.py", line 87 in _run_code File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/runpy.py", line 197 in _run_module_as_main test_zipfile64 skipped -- test requires loads of disk-space bytes and a long time to run test_readline skipped -- No module named 'readline' test_nis skipped -- No module named 'nis' test_ossaudiodev skipped -- [Errno 2] No such file or directory: '/dev/dsp' test_winreg skipped -- No module named 'winreg' test_devpoll skipped -- test works only on Solaris OS family test_winsound skipped -- No module named 'winsound' test_winconsoleio skipped -- test only relevant on win32 test_tix skipped -- Tk unavailable due to TclError: no display name and no $DISPLAY environment variab [...] test_tk skipped -- Tk unavailable due to TclError: no display name and no $DISPLAY environment variab [...] test_flock (__main__.FNTLEINTRTest) ... ok test_lockf (__main__.FNTLEINTRTest) ... ok test_read (__main__.OSEINTRTest) ... ok test_wait (__main__.OSEINTRTest) ... ok test_wait3 (__main__.OSEINTRTest) ... ok test_wait4 (__main__.OSEINTRTest) ... ok test_waitpid (__main__.OSEINTRTest) ... ok test_write (__main__.OSEINTRTest) ... ok test_devpoll (__main__.SelectEINTRTest) ... skipped 'need select.devpoll' test_epoll (__main__.SelectEINTRTest) ... ok test_kqueue (__main__.SelectEINTRTest) ... skipped 'need select.kqueue' test_poll (__main__.SelectEINTRTest) ... ok test_select (__main__.SelectEINTRTest) ... ok test_sigtimedwait (__main__.SignalEINTRTest) ... ok test_sigwaitinfo (__main__.SignalEINTRTest) ... ok test_accept (__main__.SocketEINTRTest) ... ok test_open (__main__.SocketEINTRTest) ... ok test_os_open (__main__.SocketEINTRTest) ... ok test_recv (__main__.SocketEINTRTest) ... ok test_recvmsg (__main__.SocketEINTRTest) ... ok test_send (__main__.SocketEINTRTest) ... ok test_sendall (__main__.SocketEINTRTest) ... ok test_sendmsg (__main__.SocketEINTRTest) ... ok test_sleep (__main__.TimeEINTRTest) ... ok ---------------------------------------------------------------------- Ran 24 tests in 6.411s OK (skipped=2) test_kqueue skipped -- test works only on BSD test_ioctl skipped -- Unable to open /dev/tty test_startfile skipped -- object <module 'os' from '/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/os.py'> has no attribute 'startfile' test_ttk_guionly skipped -- Tk unavailable due to TclError: no display name and no $DISPLAY environment variab [...] Fatal Python error: Segmentation fault Current thread 0x000003ff80ff8b20 (most recent call first): File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/lib2to3/btm_matcher.py", line 125 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/lib2to3/refactor.py", line 414 in refactor_tree File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/lib2to3/refactor.py", line 371 in refactor_string File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/lib2to3/refactor.py", line 339 in refactor_file File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/lib2to3/tests/test_all_fixers.py", line 24 in test_all_project_files File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/case.py", line 549 in _callTestMethod File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/case.py", line 592 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/case.py", line 652 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 122 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/suite.py", line 84 in __call__ File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/unittest/runner.py", line 176 in run File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/support/__init__.py", line 959 in _run_suite File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/support/__init__.py", line 1082 in run_unittest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/runtest.py", line 211 in _test_module File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/runtest.py", line 236 in _runtest_inner2 File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/runtest.py", line 272 in _runtest_inner File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/runtest.py", line 155 in _runtest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/runtest.py", line 195 in runtest File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/main.py", line 319 in rerun_failed_tests File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/main.py", line 696 in _main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/main.py", line 639 in main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/libregrtest/main.py", line 717 in main File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/test/__main__.py", line 2 in <module> File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/runpy.py", line 87 in _run_code File "/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/Lib/runpy.py", line 197 in _run_module_as_main make: *** [Makefile:1199: buildbottest] Segmentation fault (core dumped) Cannot open file '/home/dje/cpython-buildarea/3.x.edelsohn-fedora-z.lto/build/test-results.xml' for upload