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[3.13] Disable inputrc in test_pyrepl basic REPL output test (GH-157827) - #157938

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zware merged 1 commit into
python:3.13from
miss-islington:backport-d5dede7-3.13
Sep 22, 2026
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[3.13] Disable inputrc in test_pyrepl basic REPL output test (GH-157827)#157938
zware merged 1 commit into
python:3.13from
miss-islington:backport-d5dede7-3.13

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@miss-islington

@miss-islington miss-islington commented Sep 22, 2026

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Specifically, test_no_newline would fail if the user's ~/.inputrc
sets editing-mode vi, which adds (ins) for "insert mode" to the
beginning of the prompt.
(cherry picked from commit d5dede7)

Co-authored-by: Zachary Ware zach@python.org

@zware @miss-islington
Disable inputrc in test_pyrepl basic REPL output test (pythonGH-157827)
c4565d5 
Specifically, `test_no_newline` would fail if the user's `~/.inputrc`
sets `editing-mode vi`, which adds `(ins)` for "insert mode" to the
beginning of the prompt.
(cherry picked from commit d5dede7)

Co-authored-by: Zachary Ware <zach@python.org>
@bedevere-app bedevere-app Bot added tests Tests in the Lib/test dir awaiting review labels Sep 22, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Sep 22, 2026
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@zware
zware enabled auto-merge (squash) September 22, 2026 02:04
@zware
zware merged commit 546687f into python:3.13 Sep 22, 2026
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@miss-islington
miss-islington deleted the backport-d5dede7-3.13 branch September 22, 2026 02:27
@bedevere-bot

bedevere-bot commented Sep 22, 2026

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⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Arch Linux Asan 3.13 (tierless) has failed when building commit 546687f.

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/#/builders/1464/builds/1285) and take a look at the build logs.
  4. Check if the failure is related to this commit (546687f) 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/#/builders/1464/builds/1285

Failed tests:

  • test_io

Failed subtests:

  • test_daemon_threads_shutdown_stderr_deadlock - test.test_io.CMiscIOTest.test_daemon_threads_shutdown_stderr_deadlock
  • test_daemon_threads_shutdown_stdout_deadlock - test.test_io.CMiscIOTest.test_daemon_threads_shutdown_stdout_deadlock

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

==

Click to see traceback logs 
Traceback (most recent call last):
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4821, in test_daemon_threads_shutdown_stderr_deadlock
    self.check_daemon_threads_shutdown_deadlock('stderr')
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4811, in check_daemon_threads_shutdown_deadlock
    self.assertFalse(err.strip('.!'))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
AssertionError: '=================================================================\n==1244942==ERROR: AddressSanitizer: heap-use-after-free on address 0x7c7dcea52898 at pc 0x56362e3d1046 bp 0x7b4dcc7fe080 sp 0x7b4dcc7fe070\nREAD of size 8 at 0x7c7dcea52898 thread T1\n' is not false


Traceback (most recent call last):
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4816, in test_daemon_threads_shutdown_stdout_deadlock
    self.check_daemon_threads_shutdown_deadlock('stdout')
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4811, in check_daemon_threads_shutdown_deadlock
    self.assertFalse(err.strip('.!'))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
AssertionError: '=================================================================\n==1244948==ERROR: AddressSanitizer: heap-use-after-free on address 0x7cf97ce52898 at pc 0x559ed33b4046 bp 0x7bc97abfe080 sp 0x7bc97abfe070\nREAD of size 8 at 0x7cf97ce52898 thread T1\n' is not false


Traceback (most recent call last):
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4821, in test_daemon_threads_shutdown_stderr_deadlock
    self.check_daemon_threads_shutdown_deadlock('stderr')
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4811, in check_daemon_threads_shutdown_deadlock
    self.assertFalse(err.strip('.!'))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
AssertionError: '=================================================================\n==1267247==ERROR: AddressSanitizer: heap-use-after-free on address 0x7cd81f852898 at pc 0x560bdc68a046 bp 0x7ba81d5fe080 sp 0x7ba81d5fe070\nREAD of size 8 at 0x7cd81f852898 thread T1\n' is not false

@bedevere-bot

bedevere-bot commented Sep 22, 2026

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⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Arch Linux Asan 3.13 (tierless) has failed when building commit 546687f.

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/#/builders/1464/builds/1286) and take a look at the build logs.
  4. Check if the failure is related to this commit (546687f) 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/#/builders/1464/builds/1286

Failed tests:

  • test_io

Failed subtests:

  • test_daemon_threads_shutdown_stderr_deadlock - test.test_io.CMiscIOTest.test_daemon_threads_shutdown_stderr_deadlock

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

==

Click to see traceback logs 
Traceback (most recent call last):
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4821, in test_daemon_threads_shutdown_stderr_deadlock
    self.check_daemon_threads_shutdown_deadlock('stderr')
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4811, in check_daemon_threads_shutdown_deadlock
    self.assertFalse(err.strip('.!'))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
AssertionError: '=================================================================\n==1564511==ERROR: AddressSanitizer: heap-use-after-free on address 0x7c70b7252898 at pc 0x562b37ffe046 bp 0x7b40b4ffe080 sp 0x7b40b4ffe070\nREAD of size 8 at 0x7c70b7252898 thread T1\n' is not false


Traceback (most recent call last):
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4821, in test_daemon_threads_shutdown_stderr_deadlock
    self.check_daemon_threads_shutdown_deadlock('stderr')
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
  File "/buildbot/buildarea/3.13.pablogsal-arch-x86_64.asan/build/Lib/test/test_io.py", line 4811, in check_daemon_threads_shutdown_deadlock
    self.assertFalse(err.strip('.!'))
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
AssertionError: '=================================================================\n==1559781==ERROR: AddressSanitizer: heap-use-after-free on address 0x7c90cde52898 at pc 0x5587cc41f046 bp 0x7b60cbbfe080 sp 0x7b60cbbfe070\nREAD of size 8 at 0x7c90cde52898 thread T1\n' is not false

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@miss-islington @bedevere-bot @zware