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[EASY C] test_posix.test_posix_spawn_file_actions() leaks memory #77538

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@vstinner
BPO 33357
Nosy @vstinner, @pablogsal
Superseder
  • bpo-20104: expose posix_spawn(p)
  • Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
    closed_at = <Date 2018-05-29.21:32:22.457>
    created_at = <Date 2018-04-25.14:39:14.611>
    labels = ['3.8', '3.7', 'tests']
    title = '[EASY C] test_posix.test_posix_spawn_file_actions() leaks memory'
    updated_at = <Date 2018-05-29.21:32:22.456>
    user = 'https://github.com/vstinner'

    bugs.python.org fields:

    activity = <Date 2018-05-29.21:32:22.456>
    actor = 'vstinner'
    assignee = 'none'
    closed = True
    closed_date = <Date 2018-05-29.21:32:22.457>
    closer = 'vstinner'
    components = ['Tests']
    creation = <Date 2018-04-25.14:39:14.611>
    creator = 'vstinner'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 33357
    keywords = []
    message_count = 3.0
    messages = ['315740', '315743', '315744']
    nosy_count = 2.0
    nosy_names = ['vstinner', 'pablogsal']
    pr_nums = []
    priority = 'normal'
    resolution = 'duplicate'
    stage = 'resolved'
    status = 'closed'
    superseder = '20104'
    type = None
    url = 'https://bugs.python.org/issue33357'
    versions = ['Python 3.7', 'Python 3.8']

    Activity

    1. vstinner commented on Apr 25, 2018

      @vstinner
      MemberAuthor

      vstinner@apu$ ./python -m test test_posix -R 3:3 -m test.test_posix.PosixTester.test_posix_spawn_file_actions
      Run tests sequentially
      0:00:00 load avg: 0.58 [1/1] test_posix
      beginning 6 repetitions
      123456
      ......
      test_posix leaked [7, 7, 7] references, sum=21
      test_posix leaked [1, 2, 1] memory blocks, sum=4
      test_posix failed

      1 test failed:
      test_posix

      Total duration: 315 ms
      Tests result: FAILURE

      I bet that the leak was introduced by:

      commit 6c6ddf9
      Author: Pablo Galindo <Pablogsal@gmail.com>
      Date: Mon Jan 29 01:56:10 2018 +0000

      bpo-20104: Expose `posix_spawn` in the os module (GH-5109)
      
      Add os.posix_spawn to wrap the low level POSIX API of the same name.
      
      Contributed by Pablo Galindo.
      

      --

      IMHO this issue is easy to fix, so I suggest to leave it to new contributors, or the author of the change.

    2. pablogsal commented on Apr 25, 2018

      @pablogsal
      Member

      I think PR6332 is already addressing this #6332 , right?

    3. vstinner commented on Apr 25, 2018

      @vstinner
      MemberAuthor

      I confirm that PR 6332 fixes the leak.

    4. transferred this issue fromon Apr 10, 2022
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